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authorLinus Torvalds <torvalds@linux-foundation.org>2022-05-25 16:18:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-05-25 16:18:27 -0700
commit2518f226c60d8e04d18ba4295500a5b0b8ac7659 (patch)
treee74de5ca0db01398cbb0c34376f74a81d7583c75 /include
parent86c87bea6b42100c67418af690919c44de6ede6e (diff)
parentc4955d9cd2fc56c43e78c908dad4e2cac7cc9073 (diff)
downloadlinux-2518f226c60d8e04d18ba4295500a5b0b8ac7659.tar.bz2
Merge tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Intel have enabled DG2 on certain SKUs for laptops, AMD has started some new GPU support, msm has user allocated VA controls dma-buf: - add dma_resv_replace_fences - add dma_resv_get_singleton - make dma_excl_fence private core: - EDID parser refactorings - switch drivers to drm_mode_copy/duplicate - DRM managed mutex initialization display-helper: - put HDMI, SCDC, HDCP, DSC and DP into new module gem: - rework fence handling ttm: - rework bulk move handling - add common debugfs for resource managers - convert to kvcalloc format helpers: - support monochrome formats - RGB888, RGB565 to XRGB8888 conversions fbdev: - cfb/sys_imageblit fixes - pagelist corruption fix - create offb platform device - deferred io improvements sysfb: - Kconfig rework - support for VESA mode selection bridge: - conversions to devm_drm_of_get_bridge - conversions to panel_bridge - analogix_dp - autosuspend support - it66121 - audio support - tc358767 - DSI to DPI support - icn6211 - PLL/I2C fixes, DT property - adv7611 - enable DRM_BRIDGE_OP_HPD - anx7625 - fill ELD if no monitor - dw_hdmi - add audio support - lontium LT9211 support, i.MXMP LDB - it6505: Kconfig fix, DPCD set power fix - adv7511 - CEC support for ADV7535 panel: - ltk035c5444t, B133UAN01, NV3052C panel support - DataImage FG040346DSSWBG04 support - st7735r - DT bindings fix - ssd130x - fixes i915: - DG2 laptop PCI-IDs ("motherboard down") - Initial RPL-P PCI IDs - compute engine ABI - DG2 Tile4 support - DG2 CCS clear color compression support - DG2 render/media compression formats support - ATS-M platform info - RPL-S PCI IDs added - Bump ADL-P DMC version to v2.16 - Support static DRRS - Support multiple eDP/LVDS native mode refresh rates - DP HDR support for HSW+ - Lots of display refactoring + fixes - GuC hwconfig support and query - sysfs support for multi-tile - fdinfo per-client gpu utilisation - add geometry subslices query - fix prime mmap with LMEM - fix vm open count and remove vma refcounts - contiguous allocation fixes - steered register write support - small PCI BAR enablement - GuC error capture support - sunset igpu legacy mmap support for newer devices - GuC version 70.1.1 support amdgpu: - Initial SoC21 support - SMU 13.x enablement - SMU 13.0.4 support - ttm_eu cleanups - USB-C, GPUVM updates - TMZ fixes for RV - RAS support for VCN - PM sysfs code cleanup - DC FP rework - extend CG/PG flags to 64-bit - SI dpm lockdep fix - runtime PM fixes amdkfd: - RAS/SVM fixes - TLB flush fixes - CRIU GWS support - ignore bogus MEC signals more efficiently msm: - Fourcc modifier for tiled but not compressed layouts - Support for userspace allocated IOVA (GPU virtual address) - DPU: DSC (Display Stream Compression) support - DP: eDP support - DP: conversion to use drm_bridge and drm_bridge_connector - Merge DPU1 and MDP5 MDSS driver - DPU: writeback support nouveau: - make some structures static - make some variables static - switch to drm_gem_plane_helper_prepare_fb radeon: - misc fixes/cleanups mxsfb: - rework crtc mode setting - LCDIF CRC support etnaviv: - fencing improvements - fix address space collisions - cleanup MMU reference handling gma500: - GEM/GTT improvements - connector handling fixes komeda: - switch to plane reset helper mediatek: - MIPI DSI improvements omapdrm: - GEM improvements qxl: - aarch64 support vc4: - add a CL submission tracepoint - HDMI YUV support - HDMI/clock improvements - drop is_hdmi caching virtio: - remove restriction of non-zero blob types vmwgfx: - support for cursormob and cursorbypass 4 - fence improvements tidss: - reset DISPC on startup solomon: - SPI support - DT improvements sun4i: - allwinner D1 support - drop is_hdmi caching imx: - use swap() instead of open-coding - use devm_platform_ioremap_resource - remove redunant initializations ast: - Displayport support rockchip: - Refactor IOMMU initialisation - make some structures static - replace drm_detect_hdmi_monitor with drm_display_info.is_hdmi - support swapped YUV formats, - clock improvements - rk3568 support - VOP2 support mediatek: - MT8186 support tegra: - debugabillity improvements" * tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm: (1740 commits) drm/i915/dsi: fix VBT send packet port selection for ICL+ drm/i915/uc: Fix undefined behavior due to shift overflowing the constant drm/i915/reg: fix undefined behavior due to shift overflowing the constant drm/i915/gt: Fix use of static in macro mismatch drm/i915/audio: fix audio code enable/disable pipe logging drm/i915: Fix CFI violation with show_dynamic_id() drm/i915: Fix 'mixing different enum types' warnings in intel_display_power.c drm/i915/gt: Fix build error without CONFIG_PM drm/msm/dpu: handle pm_runtime_get_sync() errors in bind path drm/msm/dpu: add DRM_MODE_ROTATE_180 back to supported rotations drm/msm: don't free the IRQ if it was not requested drm/msm/dpu: limit writeback modes according to max_linewidth drm/amd: Don't reset dGPUs if the system is going to s2idle drm/amdgpu: Unmap legacy queue when MES is enabled drm: msm: fix possible memory leak in mdp5_crtc_cursor_set() drm/msm: Fix fb plane offset calculation drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init drm/msm/dsi: don't powerup at modeset time for parade-ps8640 drm/rockchip: Change register space names in vop2 dt-bindings: display: rockchip: make reg-names mandatory for VOP2 ...
Diffstat (limited to 'include')
-rw-r--r--include/drm/bridge/dw_hdmi.h11
-rw-r--r--include/drm/display/drm_dp.h (renamed from include/drm/dp/drm_dp_helper.h)697
-rw-r--r--include/drm/display/drm_dp_aux_bus.h (renamed from include/drm/dp/drm_dp_aux_bus.h)0
-rw-r--r--include/drm/display/drm_dp_dual_mode_helper.h (renamed from include/drm/dp/drm_dp_dual_mode_helper.h)0
-rw-r--r--include/drm/display/drm_dp_helper.h722
-rw-r--r--include/drm/display/drm_dp_mst_helper.h (renamed from include/drm/dp/drm_dp_mst_helper.h)2
-rw-r--r--include/drm/display/drm_dsc.h (renamed from include/drm/drm_dsc.h)8
-rw-r--r--include/drm/display/drm_dsc_helper.h20
-rw-r--r--include/drm/display/drm_hdcp.h (renamed from include/drm/drm_hdcp.h)14
-rw-r--r--include/drm/display/drm_hdcp_helper.h22
-rw-r--r--include/drm/display/drm_hdmi_helper.h27
-rw-r--r--include/drm/display/drm_scdc.h (renamed from include/drm/drm_scdc_helper.h)52
-rw-r--r--include/drm/display/drm_scdc_helper.h79
-rw-r--r--include/drm/drm_atomic.h27
-rw-r--r--include/drm/drm_atomic_uapi.h2
-rw-r--r--include/drm/drm_connector.h3
-rw-r--r--include/drm/drm_edid.h24
-rw-r--r--include/drm/drm_fb_helper.h3
-rw-r--r--include/drm/drm_file.h2
-rw-r--r--include/drm/drm_format_helper.h5
-rw-r--r--include/drm/drm_gem.h5
-rw-r--r--include/drm/drm_managed.h3
-rw-r--r--include/drm/drm_mipi_dsi.h2
-rw-r--r--include/drm/drm_modes.h2
-rw-r--r--include/drm/drm_modeset_helper_vtables.h2
-rw-r--r--include/drm/drm_panel.h7
-rw-r--r--include/drm/drm_plane.h4
-rw-r--r--include/drm/drm_writeback.h11
-rw-r--r--include/drm/gpu_scheduler.h1
-rw-r--r--include/drm/i915_drm.h3
-rw-r--r--include/drm/i915_mei_hdcp_interface.h2
-rw-r--r--include/drm/i915_pciids.h35
-rw-r--r--include/drm/ttm/ttm_bo_api.h64
-rw-r--r--include/drm/ttm/ttm_bo_driver.h40
-rw-r--r--include/drm/ttm/ttm_device.h11
-rw-r--r--include/drm/ttm/ttm_resource.h77
-rw-r--r--include/drm/ttm/ttm_tt.h4
-rw-r--r--include/dt-bindings/soc/rockchip,vop2.h14
-rw-r--r--include/linux/dma-buf.h26
-rw-r--r--include/linux/dma-resv.h233
-rw-r--r--include/linux/efi.h4
-rw-r--r--include/linux/fb.h19
-rw-r--r--include/linux/host1x.h6
-rw-r--r--include/linux/mdev.h82
-rw-r--r--include/linux/mei_aux.h19
-rw-r--r--include/linux/seqlock.h8
-rw-r--r--include/uapi/drm/amdgpu_drm.h2
-rw-r--r--include/uapi/drm/drm_fourcc.h69
-rw-r--r--include/uapi/drm/i915_drm.h353
-rw-r--r--include/uapi/drm/msm_drm.h7
-rw-r--r--include/uapi/drm/vmwgfx_drm.h9
51 files changed, 1621 insertions, 1223 deletions
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index 2a1f85f9a8a3..f668e75fbabe 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h
@@ -143,6 +143,11 @@ struct dw_hdmi_plat_data {
const struct drm_display_info *info,
const struct drm_display_mode *mode);
+ /* Platform-specific audio enable/disable (optional) */
+ void (*enable_audio)(struct dw_hdmi *hdmi, int channel,
+ int width, int rate, int non_pcm);
+ void (*disable_audio)(struct dw_hdmi *hdmi);
+
/* Vendor PHY support */
const struct dw_hdmi_phy_ops *phy_ops;
const char *phy_name;
@@ -173,6 +178,8 @@ void dw_hdmi_setup_rx_sense(struct dw_hdmi *hdmi, bool hpd, bool rx_sense);
int dw_hdmi_set_plugged_cb(struct dw_hdmi *hdmi, hdmi_codec_plugged_cb fn,
struct device *codec_dev);
+void dw_hdmi_set_sample_non_pcm(struct dw_hdmi *hdmi, unsigned int non_pcm);
+void dw_hdmi_set_sample_width(struct dw_hdmi *hdmi, unsigned int width);
void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate);
void dw_hdmi_set_channel_count(struct dw_hdmi *hdmi, unsigned int cnt);
void dw_hdmi_set_channel_status(struct dw_hdmi *hdmi, u8 *channel_status);
@@ -187,9 +194,11 @@ void dw_hdmi_phy_i2c_set_addr(struct dw_hdmi *hdmi, u8 address);
void dw_hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data,
unsigned char addr);
+void dw_hdmi_phy_gen1_reset(struct dw_hdmi *hdmi);
+
void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable);
void dw_hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, u8 enable);
-void dw_hdmi_phy_reset(struct dw_hdmi *hdmi);
+void dw_hdmi_phy_gen2_reset(struct dw_hdmi *hdmi);
enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi,
void *data);
diff --git a/include/drm/dp/drm_dp_helper.h b/include/drm/display/drm_dp.h
index 51e02cf75277..9e3aff7e68bb 100644
--- a/include/drm/dp/drm_dp_helper.h
+++ b/include/drm/display/drm_dp.h
@@ -20,17 +20,10 @@
* OF THIS SOFTWARE.
*/
-#ifndef _DRM_DP_HELPER_H_
-#define _DRM_DP_HELPER_H_
+#ifndef _DRM_DP_H_
+#define _DRM_DP_H_
-#include <linux/delay.h>
-#include <linux/i2c.h>
#include <linux/types.h>
-#include <drm/drm_connector.h>
-
-struct drm_device;
-struct drm_dp_aux;
-struct drm_panel;
/*
* Unless otherwise noted, all values are from the DP 1.1a spec. Note that
@@ -361,6 +354,7 @@ struct drm_panel;
# define DP_PSR_IS_SUPPORTED 1
# define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */
# define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED 3 /* eDP 1.4a */
+# define DP_PSR2_WITH_Y_COORD_ET_SUPPORTED 4 /* eDP 1.5, adopted eDP 1.4b SCR */
#define DP_PSR_CAPS 0x071 /* XXX 1.2? */
# define DP_PSR_NO_TRAIN_ON_EXIT 1
@@ -375,6 +369,7 @@ struct drm_panel;
# define DP_PSR_SETUP_TIME_SHIFT 1
# define DP_PSR2_SU_Y_COORDINATE_REQUIRED (1 << 4) /* eDP 1.4a */
# define DP_PSR2_SU_GRANULARITY_REQUIRED (1 << 5) /* eDP 1.4b */
+# define DP_PSR2_SU_AUX_FRAME_SYNC_NOT_NEEDED (1 << 6)/* eDP 1.5, adopted eDP 1.4b SCR */
#define DP_PSR2_SU_X_GRANULARITY 0x072 /* eDP 1.4b */
#define DP_PSR2_SU_Y_GRANULARITY 0x074 /* eDP 1.4b */
@@ -1520,16 +1515,6 @@ enum drm_dp_phy {
#define DP_LINK_CONSTANT_N_VALUE 0x8000
#define DP_LINK_STATUS_SIZE 6
-bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane_count);
-bool drm_dp_clock_recovery_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane_count);
-u8 drm_dp_get_adjust_request_voltage(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane);
-u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane);
-u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane);
#define DP_BRANCH_OUI_HEADER_SIZE 0xc
#define DP_RECEIVER_CAP_SIZE 0xf
@@ -1539,31 +1524,6 @@ u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE],
#define DP_LTTPR_COMMON_CAP_SIZE 8
#define DP_LTTPR_PHY_CAP_SIZE 3
-int drm_dp_read_clock_recovery_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- enum drm_dp_phy dp_phy, bool uhbr);
-int drm_dp_read_channel_eq_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- enum drm_dp_phy dp_phy, bool uhbr);
-
-void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
-void drm_dp_lttpr_link_train_clock_recovery_delay(void);
-void drm_dp_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
-void drm_dp_lttpr_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
- const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-
-int drm_dp_128b132b_read_aux_rd_interval(struct drm_dp_aux *aux);
-bool drm_dp_128b132b_lane_channel_eq_done(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane_count);
-bool drm_dp_128b132b_lane_symbol_locked(const u8 link_status[DP_LINK_STATUS_SIZE],
- int lane_count);
-bool drm_dp_128b132b_eq_interlane_align_done(const u8 link_status[DP_LINK_STATUS_SIZE]);
-bool drm_dp_128b132b_cds_interlane_align_done(const u8 link_status[DP_LINK_STATUS_SIZE]);
-bool drm_dp_128b132b_link_training_failed(const u8 link_status[DP_LINK_STATUS_SIZE]);
-
-u8 drm_dp_link_rate_to_bw_code(int link_rate);
-int drm_dp_bw_code_to_link_rate(u8 link_bw);
-
#define DP_SDP_AUDIO_TIMESTAMP 0x01
#define DP_SDP_AUDIO_STREAM 0x02
#define DP_SDP_EXTENSION 0x04 /* DP 1.1 */
@@ -1727,651 +1687,4 @@ enum dp_content_type {
DP_CONTENT_TYPE_GAME = 0x04,
};
-/**
- * struct drm_dp_vsc_sdp - drm DP VSC SDP
- *
- * This structure represents a DP VSC SDP of drm
- * It is based on DP 1.4 spec [Table 2-116: VSC SDP Header Bytes] and
- * [Table 2-117: VSC SDP Payload for DB16 through DB18]
- *
- * @sdp_type: secondary-data packet type
- * @revision: revision number
- * @length: number of valid data bytes
- * @pixelformat: pixel encoding format
- * @colorimetry: colorimetry format
- * @bpc: bit per color
- * @dynamic_range: dynamic range information
- * @content_type: CTA-861-G defines content types and expected processing by a sink device
- */
-struct drm_dp_vsc_sdp {
- unsigned char sdp_type;
- unsigned char revision;
- unsigned char length;
- enum dp_pixelformat pixelformat;
- enum dp_colorimetry colorimetry;
- int bpc;
- enum dp_dynamic_range dynamic_range;
- enum dp_content_type content_type;
-};
-
-void drm_dp_vsc_sdp_log(const char *level, struct device *dev,
- const struct drm_dp_vsc_sdp *vsc);
-
-int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]);
-
-static inline int
-drm_dp_max_link_rate(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return drm_dp_bw_code_to_link_rate(dpcd[DP_MAX_LINK_RATE]);
-}
-
-static inline u8
-drm_dp_max_lane_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK;
-}
-
-static inline bool
-drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x11 &&
- (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
-}
-
-static inline bool
-drm_dp_fast_training_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x11 &&
- (dpcd[DP_MAX_DOWNSPREAD] & DP_NO_AUX_HANDSHAKE_LINK_TRAINING);
-}
-
-static inline bool
-drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x12 &&
- dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
-}
-
-static inline bool
-drm_dp_max_downspread(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x11 ||
- dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5;
-}
-
-static inline bool
-drm_dp_tps4_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DPCD_REV] >= 0x14 &&
- dpcd[DP_MAX_DOWNSPREAD] & DP_TPS4_SUPPORTED;
-}
-
-static inline u8
-drm_dp_training_pattern_mask(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return (dpcd[DP_DPCD_REV] >= 0x14) ? DP_TRAINING_PATTERN_MASK_1_4 :
- DP_TRAINING_PATTERN_MASK;
-}
-
-static inline bool
-drm_dp_is_branch(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DOWNSTREAMPORT_PRESENT] & DP_DWN_STRM_PORT_PRESENT;
-}
-
-/* DP/eDP DSC support */
-u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
- bool is_edp);
-u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]);
-int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpc[DP_DSC_RECEIVER_CAP_SIZE],
- u8 dsc_bpc[3]);
-
-static inline bool
-drm_dp_sink_supports_dsc(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
-{
- return dsc_dpcd[DP_DSC_SUPPORT - DP_DSC_SUPPORT] &
- DP_DSC_DECOMPRESSION_IS_SUPPORTED;
-}
-
-static inline u16
-drm_edp_dsc_sink_output_bpp(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
-{
- return dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_LOW - DP_DSC_SUPPORT] |
- (dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_HI - DP_DSC_SUPPORT] &
- DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK <<
- DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT);
-}
-
-static inline u32
-drm_dp_dsc_sink_max_slice_width(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
-{
- /* Max Slicewidth = Number of Pixels * 320 */
- return dsc_dpcd[DP_DSC_MAX_SLICE_WIDTH - DP_DSC_SUPPORT] *
- DP_DSC_SLICE_WIDTH_MULTIPLIER;
-}
-
-/* Forward Error Correction Support on DP 1.4 */
-static inline bool
-drm_dp_sink_supports_fec(const u8 fec_capable)
-{
- return fec_capable & DP_FEC_CAPABLE;
-}
-
-static inline bool
-drm_dp_channel_coding_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_8B10B;
-}
-
-static inline bool
-drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_EDP_CONFIGURATION_CAP] &
- DP_ALTERNATE_SCRAMBLER_RESET_CAP;
-}
-
-/* Ignore MSA timing for Adaptive Sync support on DP 1.4 */
-static inline bool
-drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
-{
- return dpcd[DP_DOWN_STREAM_PORT_COUNT] &
- DP_MSA_TIMING_PAR_IGNORED;
-}
-
-/**
- * drm_edp_backlight_supported() - Check an eDP DPCD for VESA backlight support
- * @edp_dpcd: The DPCD to check
- *
- * Note that currently this function will return %false for panels which support various DPCD
- * backlight features but which require the brightness be set through PWM, and don't support setting
- * the brightness level via the DPCD.
- *
- * Returns: %True if @edp_dpcd indicates that VESA backlight controls are supported, %false
- * otherwise
- */
-static inline bool
-drm_edp_backlight_supported(const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE])
-{
- return !!(edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP);
-}
-
-/*
- * DisplayPort AUX channel
- */
-
-/**
- * struct drm_dp_aux_msg - DisplayPort AUX channel transaction
- * @address: address of the (first) register to access
- * @request: contains the type of transaction (see DP_AUX_* macros)
- * @reply: upon completion, contains the reply type of the transaction
- * @buffer: pointer to a transmission or reception buffer
- * @size: size of @buffer
- */
-struct drm_dp_aux_msg {
- unsigned int address;
- u8 request;
- u8 reply;
- void *buffer;
- size_t size;
-};
-
-struct cec_adapter;
-struct edid;
-struct drm_connector;
-
-/**
- * struct drm_dp_aux_cec - DisplayPort CEC-Tunneling-over-AUX
- * @lock: mutex protecting this struct
- * @adap: the CEC adapter for CEC-Tunneling-over-AUX support.
- * @connector: the connector this CEC adapter is associated with
- * @unregister_work: unregister the CEC adapter
- */
-struct drm_dp_aux_cec {
- struct mutex lock;
- struct cec_adapter *adap;
- struct drm_connector *connector;
- struct delayed_work unregister_work;
-};
-
-/**
- * struct drm_dp_aux - DisplayPort AUX channel
- *
- * An AUX channel can also be used to transport I2C messages to a sink. A
- * typical application of that is to access an EDID that's present in the sink
- * device. The @transfer() function can also be used to execute such
- * transactions. The drm_dp_aux_register() function registers an I2C adapter
- * that can be passed to drm_probe_ddc(). Upon removal, drivers should call
- * drm_dp_aux_unregister() to remove the I2C adapter. The I2C adapter uses long
- * transfers by default; if a partial response is received, the adapter will
- * drop down to the size given by the partial response for this transaction
- * only.
- */
-struct drm_dp_aux {
- /**
- * @name: user-visible name of this AUX channel and the
- * I2C-over-AUX adapter.
- *
- * It's also used to specify the name of the I2C adapter. If set
- * to %NULL, dev_name() of @dev will be used.
- */
- const char *name;
-
- /**
- * @ddc: I2C adapter that can be used for I2C-over-AUX
- * communication
- */
- struct i2c_adapter ddc;
-
- /**
- * @dev: pointer to struct device that is the parent for this
- * AUX channel.
- */
- struct device *dev;
-
- /**
- * @drm_dev: pointer to the &drm_device that owns this AUX channel.
- * Beware, this may be %NULL before drm_dp_aux_register() has been
- * called.
- *
- * It should be set to the &drm_device that will be using this AUX
- * channel as early as possible. For many graphics drivers this should
- * happen before drm_dp_aux_init(), however it's perfectly fine to set
- * this field later so long as it's assigned before calling
- * drm_dp_aux_register().
- */
- struct drm_device *drm_dev;
-
- /**
- * @crtc: backpointer to the crtc that is currently using this
- * AUX channel
- */
- struct drm_crtc *crtc;
-
- /**
- * @hw_mutex: internal mutex used for locking transfers.
- *
- * Note that if the underlying hardware is shared among multiple
- * channels, the driver needs to do additional locking to
- * prevent concurrent access.
- */
- struct mutex hw_mutex;
-
- /**
- * @crc_work: worker that captures CRCs for each frame
- */
- struct work_struct crc_work;
-
- /**
- * @crc_count: counter of captured frame CRCs
- */
- u8 crc_count;
-
- /**
- * @transfer: transfers a message representing a single AUX
- * transaction.
- *
- * This is a hardware-specific implementation of how
- * transactions are executed that the drivers must provide.
- *
- * A pointer to a &drm_dp_aux_msg structure describing the
- * transaction is passed into this function. Upon success, the
- * implementation should return the number of payload bytes that
- * were transferred, or a negative error-code on failure.
- *
- * Helpers will propagate these errors, with the exception of
- * the %-EBUSY error, which causes a transaction to be retried.
- * On a short, helpers will return %-EPROTO to make it simpler
- * to check for failure.
- *
- * The @transfer() function must only modify the reply field of
- * the &drm_dp_aux_msg structure. The retry logic and i2c
- * helpers assume this is the case.
- *
- * Also note that this callback can be called no matter the
- * state @dev is in. Drivers that need that device to be powered
- * to perform this operation will first need to make sure it's
- * been properly enabled.
- */
- ssize_t (*transfer)(struct drm_dp_aux *aux,
- struct drm_dp_aux_msg *msg);
-
- /**
- * @i2c_nack_count: Counts I2C NACKs, used for DP validation.
- */
- unsigned i2c_nack_count;
- /**
- * @i2c_defer_count: Counts I2C DEFERs, used for DP validation.
- */
- unsigned i2c_defer_count;
- /**
- * @cec: struct containing fields used for CEC-Tunneling-over-AUX.
- */
- struct drm_dp_aux_cec cec;
- /**
- * @is_remote: Is this AUX CH actually using sideband messaging.
- */
- bool is_remote;
-};
-
-ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,
- void *buffer, size_t size);
-ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset,
- void *buffer, size_t size);
-
-/**
- * drm_dp_dpcd_readb() - read a single byte from the DPCD
- * @aux: DisplayPort AUX channel
- * @offset: address of the register to read
- * @valuep: location where the value of the register will be stored
- *
- * Returns the number of bytes transferred (1) on success, or a negative
- * error code on failure.
- */
-static inline ssize_t drm_dp_dpcd_readb(struct drm_dp_aux *aux,
- unsigned int offset, u8 *valuep)
-{
- return drm_dp_dpcd_read(aux, offset, valuep, 1);
-}
-
-/**
- * drm_dp_dpcd_writeb() - write a single byte to the DPCD
- * @aux: DisplayPort AUX channel
- * @offset: address of the register to write
- * @value: value to write to the register
- *
- * Returns the number of bytes transferred (1) on success, or a negative
- * error code on failure.
- */
-static inline ssize_t drm_dp_dpcd_writeb(struct drm_dp_aux *aux,
- unsigned int offset, u8 value)
-{
- return drm_dp_dpcd_write(aux, offset, &value, 1);
-}
-
-int drm_dp_read_dpcd_caps(struct drm_dp_aux *aux,
- u8 dpcd[DP_RECEIVER_CAP_SIZE]);
-
-int drm_dp_dpcd_read_link_status(struct drm_dp_aux *aux,
- u8 status[DP_LINK_STATUS_SIZE]);
-
-int drm_dp_dpcd_read_phy_link_status(struct drm_dp_aux *aux,
- enum drm_dp_phy dp_phy,
- u8 link_status[DP_LINK_STATUS_SIZE]);
-
-bool drm_dp_send_real_edid_checksum(struct drm_dp_aux *aux,
- u8 real_edid_checksum);
-
-int drm_dp_read_downstream_info(struct drm_dp_aux *aux,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]);
-bool drm_dp_downstream_is_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4], u8 type);
-bool drm_dp_downstream_is_tmds(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid);
-int drm_dp_downstream_max_dotclock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-int drm_dp_downstream_max_tmds_clock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid);
-int drm_dp_downstream_min_tmds_clock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid);
-int drm_dp_downstream_max_bpc(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid);
-bool drm_dp_downstream_420_passthrough(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-bool drm_dp_downstream_444_to_420_conversion(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-struct drm_display_mode *drm_dp_downstream_mode(struct drm_device *dev,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-int drm_dp_downstream_id(struct drm_dp_aux *aux, char id[6]);
-void drm_dp_downstream_debug(struct seq_file *m,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4],
- const struct edid *edid,
- struct drm_dp_aux *aux);
-enum drm_mode_subconnector
-drm_dp_subconnector_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-void drm_dp_set_subconnector_property(struct drm_connector *connector,
- enum drm_connector_status status,
- const u8 *dpcd,
- const u8 port_cap[4]);
-
-struct drm_dp_desc;
-bool drm_dp_read_sink_count_cap(struct drm_connector *connector,
- const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const struct drm_dp_desc *desc);
-int drm_dp_read_sink_count(struct drm_dp_aux *aux);
-
-int drm_dp_read_lttpr_common_caps(struct drm_dp_aux *aux,
- u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
-int drm_dp_read_lttpr_phy_caps(struct drm_dp_aux *aux,
- enum drm_dp_phy dp_phy,
- u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-int drm_dp_lttpr_count(const u8 cap[DP_LTTPR_COMMON_CAP_SIZE]);
-int drm_dp_lttpr_max_link_rate(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
-int drm_dp_lttpr_max_lane_count(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
-bool drm_dp_lttpr_voltage_swing_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-bool drm_dp_lttpr_pre_emphasis_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-
-void drm_dp_remote_aux_init(struct drm_dp_aux *aux);
-void drm_dp_aux_init(struct drm_dp_aux *aux);
-int drm_dp_aux_register(struct drm_dp_aux *aux);
-void drm_dp_aux_unregister(struct drm_dp_aux *aux);
-
-int drm_dp_start_crc(struct drm_dp_aux *aux, struct drm_crtc *crtc);
-int drm_dp_stop_crc(struct drm_dp_aux *aux);
-
-struct drm_dp_dpcd_ident {
- u8 oui[3];
- u8 device_id[6];
- u8 hw_rev;
- u8 sw_major_rev;
- u8 sw_minor_rev;
-} __packed;
-
-/**
- * struct drm_dp_desc - DP branch/sink device descriptor
- * @ident: DP device identification from DPCD 0x400 (sink) or 0x500 (branch).
- * @quirks: Quirks; use drm_dp_has_quirk() to query for the quirks.
- */
-struct drm_dp_desc {
- struct drm_dp_dpcd_ident ident;
- u32 quirks;
-};
-
-int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc,
- bool is_branch);
-
-/**
- * enum drm_dp_quirk - Display Port sink/branch device specific quirks
- *
- * Display Port sink and branch devices in the wild have a variety of bugs, try
- * to collect them here. The quirks are shared, but it's up to the drivers to
- * implement workarounds for them.
- */
-enum drm_dp_quirk {
- /**
- * @DP_DPCD_QUIRK_CONSTANT_N:
- *
- * The device requires main link attributes Mvid and Nvid to be limited
- * to 16 bits. So will give a constant value (0x8000) for compatability.
- */
- DP_DPCD_QUIRK_CONSTANT_N,
- /**
- * @DP_DPCD_QUIRK_NO_PSR:
- *
- * The device does not support PSR even if reports that it supports or
- * driver still need to implement proper handling for such device.
- */
- DP_DPCD_QUIRK_NO_PSR,
- /**
- * @DP_DPCD_QUIRK_NO_SINK_COUNT:
- *
- * The device does not set SINK_COUNT to a non-zero value.
- * The driver should ignore SINK_COUNT during detection. Note that
- * drm_dp_read_sink_count_cap() automatically checks for this quirk.
- */
- DP_DPCD_QUIRK_NO_SINK_COUNT,
- /**
- * @DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD:
- *
- * The device supports MST DSC despite not supporting Virtual DPCD.
- * The DSC caps can be read from the physical aux instead.
- */
- DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD,
- /**
- * @DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS:
- *
- * The device supports a link rate of 3.24 Gbps (multiplier 0xc) despite
- * the DP_MAX_LINK_RATE register reporting a lower max multiplier.
- */
- DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS,
-};
-
-/**
- * drm_dp_has_quirk() - does the DP device have a specific quirk
- * @desc: Device descriptor filled by drm_dp_read_desc()
- * @quirk: Quirk to query for
- *
- * Return true if DP device identified by @desc has @quirk.
- */
-static inline bool
-drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk)
-{
- return desc->quirks & BIT(quirk);
-}
-
-/**
- * struct drm_edp_backlight_info - Probed eDP backlight info struct
- * @pwmgen_bit_count: The pwmgen bit count
- * @pwm_freq_pre_divider: The PWM frequency pre-divider value being used for this backlight, if any
- * @max: The maximum backlight level that may be set
- * @lsb_reg_used: Do we also write values to the DP_EDP_BACKLIGHT_BRIGHTNESS_LSB register?
- * @aux_enable: Does the panel support the AUX enable cap?
- * @aux_set: Does the panel support setting the brightness through AUX?
- *
- * This structure contains various data about an eDP backlight, which can be populated by using
- * drm_edp_backlight_init().
- */
-struct drm_edp_backlight_info {
- u8 pwmgen_bit_count;
- u8 pwm_freq_pre_divider;
- u16 max;
-
- bool lsb_reg_used : 1;
- bool aux_enable : 1;
- bool aux_set : 1;
-};
-
-int
-drm_edp_backlight_init(struct drm_dp_aux *aux, struct drm_edp_backlight_info *bl,
- u16 driver_pwm_freq_hz, const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE],
- u16 *current_level, u8 *current_mode);
-int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
- u16 level);
-int drm_edp_backlight_enable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
- u16 level);
-int drm_edp_backlight_disable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl);
-
-#if IS_ENABLED(CONFIG_DRM_KMS_HELPER) && (IS_BUILTIN(CONFIG_BACKLIGHT_CLASS_DEVICE) || \
- (IS_MODULE(CONFIG_DRM_KMS_HELPER) && IS_MODULE(CONFIG_BACKLIGHT_CLASS_DEVICE)))
-
-int drm_panel_dp_aux_backlight(struct drm_panel *panel, struct drm_dp_aux *aux);
-
-#else
-
-static inline int drm_panel_dp_aux_backlight(struct drm_panel *panel,
- struct drm_dp_aux *aux)
-{
- return 0;
-}
-
-#endif
-
-#ifdef CONFIG_DRM_DP_CEC
-void drm_dp_cec_irq(struct drm_dp_aux *aux);
-void drm_dp_cec_register_connector(struct drm_dp_aux *aux,
- struct drm_connector *connector);
-void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux);
-void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid);
-void drm_dp_cec_unset_edid(struct drm_dp_aux *aux);
-#else
-static inline void drm_dp_cec_irq(struct drm_dp_aux *aux)
-{
-}
-
-static inline void
-drm_dp_cec_register_connector(struct drm_dp_aux *aux,
- struct drm_connector *connector)
-{
-}
-
-static inline void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux)
-{
-}
-
-static inline void drm_dp_cec_set_edid(struct drm_dp_aux *aux,
- const struct edid *edid)
-{
-}
-
-static inline void drm_dp_cec_unset_edid(struct drm_dp_aux *aux)
-{
-}
-
-#endif
-
-/**
- * struct drm_dp_phy_test_params - DP Phy Compliance parameters
- * @link_rate: Requested Link rate from DPCD 0x219
- * @num_lanes: Number of lanes requested by sing through DPCD 0x220
- * @phy_pattern: DP Phy test pattern from DPCD 0x248
- * @hbr2_reset: DP HBR2_COMPLIANCE_SCRAMBLER_RESET from DCPD 0x24A and 0x24B
- * @custom80: DP Test_80BIT_CUSTOM_PATTERN from DPCDs 0x250 through 0x259
- * @enhanced_frame_cap: flag for enhanced frame capability.
- */
-struct drm_dp_phy_test_params {
- int link_rate;
- u8 num_lanes;
- u8 phy_pattern;
- u8 hbr2_reset[2];
- u8 custom80[10];
- bool enhanced_frame_cap;
-};
-
-int drm_dp_get_phy_test_pattern(struct drm_dp_aux *aux,
- struct drm_dp_phy_test_params *data);
-int drm_dp_set_phy_test_pattern(struct drm_dp_aux *aux,
- struct drm_dp_phy_test_params *data, u8 dp_rev);
-int drm_dp_get_pcon_max_frl_bw(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4]);
-int drm_dp_pcon_frl_prepare(struct drm_dp_aux *aux, bool enable_frl_ready_hpd);
-bool drm_dp_pcon_is_frl_ready(struct drm_dp_aux *aux);
-int drm_dp_pcon_frl_configure_1(struct drm_dp_aux *aux, int max_frl_gbps,
- u8 frl_mode);
-int drm_dp_pcon_frl_configure_2(struct drm_dp_aux *aux, int max_frl_mask,
- u8 frl_type);
-int drm_dp_pcon_reset_frl_config(struct drm_dp_aux *aux);
-int drm_dp_pcon_frl_enable(struct drm_dp_aux *aux);
-
-bool drm_dp_pcon_hdmi_link_active(struct drm_dp_aux *aux);
-int drm_dp_pcon_hdmi_link_mode(struct drm_dp_aux *aux, u8 *frl_trained_mask);
-void drm_dp_pcon_hdmi_frl_link_error_count(struct drm_dp_aux *aux,
- struct drm_connector *connector);
-bool drm_dp_pcon_enc_is_dsc_1_2(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
-int drm_dp_pcon_dsc_max_slices(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
-int drm_dp_pcon_dsc_max_slice_width(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
-int drm_dp_pcon_dsc_bpp_incr(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
-int drm_dp_pcon_pps_default(struct drm_dp_aux *aux);
-int drm_dp_pcon_pps_override_buf(struct drm_dp_aux *aux, u8 pps_buf[128]);
-int drm_dp_pcon_pps_override_param(struct drm_dp_aux *aux, u8 pps_param[6]);
-bool drm_dp_downstream_rgb_to_ycbcr_conversion(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
- const u8 port_cap[4], u8 color_spc);
-int drm_dp_pcon_convert_rgb_to_ycbcr(struct drm_dp_aux *aux, u8 color_spc);
-
-#endif /* _DRM_DP_HELPER_H_ */
+#endif /* _DRM_DP_H_ */
diff --git a/include/drm/dp/drm_dp_aux_bus.h b/include/drm/display/drm_dp_aux_bus.h
index 4f19b20b1dd6..4f19b20b1dd6 100644
--- a/include/drm/dp/drm_dp_aux_bus.h
+++ b/include/drm/display/drm_dp_aux_bus.h
diff --git a/include/drm/dp/drm_dp_dual_mode_helper.h b/include/drm/display/drm_dp_dual_mode_helper.h
index 7ee482265087..7ee482265087 100644
--- a/include/drm/dp/drm_dp_dual_mode_helper.h
+++ b/include/drm/display/drm_dp_dual_mode_helper.h
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
new file mode 100644
index 000000000000..dca40a045dd6
--- /dev/null
+++ b/include/drm/display/drm_dp_helper.h
@@ -0,0 +1,722 @@
+/*
+ * Copyright © 2008 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _DRM_DP_HELPER_H_
+#define _DRM_DP_HELPER_H_
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+
+#include <drm/display/drm_dp.h>
+#include <drm/drm_connector.h>
+
+struct drm_device;
+struct drm_dp_aux;
+struct drm_panel;
+
+bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane_count);
+bool drm_dp_clock_recovery_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane_count);
+u8 drm_dp_get_adjust_request_voltage(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane);
+u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane);
+u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane);
+
+int drm_dp_read_clock_recovery_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ enum drm_dp_phy dp_phy, bool uhbr);
+int drm_dp_read_channel_eq_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ enum drm_dp_phy dp_phy, bool uhbr);
+
+void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+void drm_dp_lttpr_link_train_clock_recovery_delay(void);
+void drm_dp_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+void drm_dp_lttpr_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+ const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+
+int drm_dp_128b132b_read_aux_rd_interval(struct drm_dp_aux *aux);
+bool drm_dp_128b132b_lane_channel_eq_done(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane_count);
+bool drm_dp_128b132b_lane_symbol_locked(const u8 link_status[DP_LINK_STATUS_SIZE],
+ int lane_count);
+bool drm_dp_128b132b_eq_interlane_align_done(const u8 link_status[DP_LINK_STATUS_SIZE]);
+bool drm_dp_128b132b_cds_interlane_align_done(const u8 link_status[DP_LINK_STATUS_SIZE]);
+bool drm_dp_128b132b_link_training_failed(const u8 link_status[DP_LINK_STATUS_SIZE]);
+
+u8 drm_dp_link_rate_to_bw_code(int link_rate);
+int drm_dp_bw_code_to_link_rate(u8 link_bw);
+
+/**
+ * struct drm_dp_vsc_sdp - drm DP VSC SDP
+ *
+ * This structure represents a DP VSC SDP of drm
+ * It is based on DP 1.4 spec [Table 2-116: VSC SDP Header Bytes] and
+ * [Table 2-117: VSC SDP Payload for DB16 through DB18]
+ *
+ * @sdp_type: secondary-data packet type
+ * @revision: revision number
+ * @length: number of valid data bytes
+ * @pixelformat: pixel encoding format
+ * @colorimetry: colorimetry format
+ * @bpc: bit per color
+ * @dynamic_range: dynamic range information
+ * @content_type: CTA-861-G defines content types and expected processing by a sink device
+ */
+struct drm_dp_vsc_sdp {
+ unsigned char sdp_type;
+ unsigned char revision;
+ unsigned char length;
+ enum dp_pixelformat pixelformat;
+ enum dp_colorimetry colorimetry;
+ int bpc;
+ enum dp_dynamic_range dynamic_range;
+ enum dp_content_type content_type;
+};
+
+void drm_dp_vsc_sdp_log(const char *level, struct device *dev,
+ const struct drm_dp_vsc_sdp *vsc);
+
+int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]);
+
+static inline int
+drm_dp_max_link_rate(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return drm_dp_bw_code_to_link_rate(dpcd[DP_MAX_LINK_RATE]);
+}
+
+static inline u8
+drm_dp_max_lane_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK;
+}
+
+static inline bool
+drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x11 &&
+ (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
+}
+
+static inline bool
+drm_dp_fast_training_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x11 &&
+ (dpcd[DP_MAX_DOWNSPREAD] & DP_NO_AUX_HANDSHAKE_LINK_TRAINING);
+}
+
+static inline bool
+drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x12 &&
+ dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
+}
+
+static inline bool
+drm_dp_max_downspread(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x11 ||
+ dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5;
+}
+
+static inline bool
+drm_dp_tps4_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DPCD_REV] >= 0x14 &&
+ dpcd[DP_MAX_DOWNSPREAD] & DP_TPS4_SUPPORTED;
+}
+
+static inline u8
+drm_dp_training_pattern_mask(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return (dpcd[DP_DPCD_REV] >= 0x14) ? DP_TRAINING_PATTERN_MASK_1_4 :
+ DP_TRAINING_PATTERN_MASK;
+}
+
+static inline bool
+drm_dp_is_branch(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DOWNSTREAMPORT_PRESENT] & DP_DWN_STRM_PORT_PRESENT;
+}
+
+/* DP/eDP DSC support */
+u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
+ bool is_edp);
+u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]);
+int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpc[DP_DSC_RECEIVER_CAP_SIZE],
+ u8 dsc_bpc[3]);
+
+static inline bool
+drm_dp_sink_supports_dsc(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
+{
+ return dsc_dpcd[DP_DSC_SUPPORT - DP_DSC_SUPPORT] &
+ DP_DSC_DECOMPRESSION_IS_SUPPORTED;
+}
+
+static inline u16
+drm_edp_dsc_sink_output_bpp(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
+{
+ return dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_LOW - DP_DSC_SUPPORT] |
+ (dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_HI - DP_DSC_SUPPORT] &
+ DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK <<
+ DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT);
+}
+
+static inline u32
+drm_dp_dsc_sink_max_slice_width(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
+{
+ /* Max Slicewidth = Number of Pixels * 320 */
+ return dsc_dpcd[DP_DSC_MAX_SLICE_WIDTH - DP_DSC_SUPPORT] *
+ DP_DSC_SLICE_WIDTH_MULTIPLIER;
+}
+
+/* Forward Error Correction Support on DP 1.4 */
+static inline bool
+drm_dp_sink_supports_fec(const u8 fec_capable)
+{
+ return fec_capable & DP_FEC_CAPABLE;
+}
+
+static inline bool
+drm_dp_channel_coding_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_8B10B;
+}
+
+static inline bool
+drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_EDP_CONFIGURATION_CAP] &
+ DP_ALTERNATE_SCRAMBLER_RESET_CAP;
+}
+
+/* Ignore MSA timing for Adaptive Sync support on DP 1.4 */
+static inline bool
+drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_DOWN_STREAM_PORT_COUNT] &
+ DP_MSA_TIMING_PAR_IGNORED;
+}
+
+/**
+ * drm_edp_backlight_supported() - Check an eDP DPCD for VESA backlight support
+ * @edp_dpcd: The DPCD to check
+ *
+ * Note that currently this function will return %false for panels which support various DPCD
+ * backlight features but which require the brightness be set through PWM, and don't support setting
+ * the brightness level via the DPCD.
+ *
+ * Returns: %True if @edp_dpcd indicates that VESA backlight controls are supported, %false
+ * otherwise
+ */
+static inline bool
+drm_edp_backlight_supported(const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE])
+{
+ return !!(edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP);
+}
+
+/*
+ * DisplayPort AUX channel
+ */
+
+/**
+ * struct drm_dp_aux_msg - DisplayPort AUX channel transaction
+ * @address: address of the (first) register to access
+ * @request: contains the type of transaction (see DP_AUX_* macros)
+ * @reply: upon completion, contains the reply type of the transaction
+ * @buffer: pointer to a transmission or reception buffer
+ * @size: size of @buffer
+ */
+struct drm_dp_aux_msg {
+ unsigned int address;
+ u8 request;
+ u8 reply;
+ void *buffer;
+ size_t size;
+};
+
+struct cec_adapter;
+struct edid;
+struct drm_connector;
+
+/**
+ * struct drm_dp_aux_cec - DisplayPort CEC-Tunneling-over-AUX
+ * @lock: mutex protecting this struct
+ * @adap: the CEC adapter for CEC-Tunneling-over-AUX support.
+ * @connector: the connector this CEC adapter is associated with
+ * @unregister_work: unregister the CEC adapter
+ */
+struct drm_dp_aux_cec {
+ struct mutex lock;
+ struct cec_adapter *adap;
+ struct drm_connector *connector;
+ struct delayed_work unregister_work;
+};
+
+/**
+ * struct drm_dp_aux - DisplayPort AUX channel
+ *
+ * An AUX channel can also be used to transport I2C messages to a sink. A
+ * typical application of that is to access an EDID that's present in the sink
+ * device. The @transfer() function can also be used to execute such
+ * transactions. The drm_dp_aux_register() function registers an I2C adapter
+ * that can be passed to drm_probe_ddc(). Upon removal, drivers should call
+ * drm_dp_aux_unregister() to remove the I2C adapter. The I2C adapter uses long
+ * transfers by default; if a partial response is received, the adapter will
+ * drop down to the size given by the partial response for this transaction
+ * only.
+ */
+struct drm_dp_aux {
+ /**
+ * @name: user-visible name of this AUX channel and the
+ * I2C-over-AUX adapter.
+ *
+ * It's also used to specify the name of the I2C adapter. If set
+ * to %NULL, dev_name() of @dev will be used.
+ */
+ const char *name;
+
+ /**
+ * @ddc: I2C adapter that can be used for I2C-over-AUX
+ * communication
+ */
+ struct i2c_adapter ddc;
+
+ /**
+ * @dev: pointer to struct device that is the parent for this
+ * AUX channel.
+ */
+ struct device *dev;
+
+ /**
+ * @drm_dev: pointer to the &drm_device that owns this AUX channel.
+ * Beware, this may be %NULL before drm_dp_aux_register() has been
+ * called.
+ *
+ * It should be set to the &drm_device that will be using this AUX
+ * channel as early as possible. For many graphics drivers this should
+ * happen before drm_dp_aux_init(), however it's perfectly fine to set
+ * this field later so long as it's assigned before calling
+ * drm_dp_aux_register().
+ */
+ struct drm_device *drm_dev;
+
+ /**
+ * @crtc: backpointer to the crtc that is currently using this
+ * AUX channel
+ */
+ struct drm_crtc *crtc;
+
+ /**
+ * @hw_mutex: internal mutex used for locking transfers.
+ *
+ * Note that if the underlying hardware is shared among multiple
+ * channels, the driver needs to do additional locking to
+ * prevent concurrent access.
+ */
+ struct mutex hw_mutex;
+
+ /**
+ * @crc_work: worker that captures CRCs for each frame
+ */
+ struct work_struct crc_work;
+
+ /**
+ * @crc_count: counter of captured frame CRCs
+ */
+ u8 crc_count;
+
+ /**
+ * @transfer: transfers a message representing a single AUX
+ * transaction.
+ *
+ * This is a hardware-specific implementation of how
+ * transactions are executed that the drivers must provide.
+ *
+ * A pointer to a &drm_dp_aux_msg structure describing the
+ * transaction is passed into this function. Upon success, the
+ * implementation should return the number of payload bytes that
+ * were transferred, or a negative error-code on failure.
+ *
+ * Helpers will propagate these errors, with the exception of
+ * the %-EBUSY error, which causes a transaction to be retried.
+ * On a short, helpers will return %-EPROTO to make it simpler
+ * to check for failure.
+ *
+ * The @transfer() function must only modify the reply field of
+ * the &drm_dp_aux_msg structure. The retry logic and i2c
+ * helpers assume this is the case.
+ *
+ * Also note that this callback can be called no matter the
+ * state @dev is in. Drivers that need that device to be powered
+ * to perform this operation will first need to make sure it's
+ * been properly enabled.
+ */
+ ssize_t (*transfer)(struct drm_dp_aux *aux,
+ struct drm_dp_aux_msg *msg);
+
+ /**
+ * @i2c_nack_count: Counts I2C NACKs, used for DP validation.
+ */
+ unsigned i2c_nack_count;
+ /**
+ * @i2c_defer_count: Counts I2C DEFERs, used for DP validation.
+ */
+ unsigned i2c_defer_count;
+ /**
+ * @cec: struct containing fields used for CEC-Tunneling-over-AUX.
+ */
+ struct drm_dp_aux_cec cec;
+ /**
+ * @is_remote: Is this AUX CH actually using sideband messaging.
+ */
+ bool is_remote;
+};
+
+int drm_dp_dpcd_probe(struct drm_dp_aux *aux, unsigned int offset);
+ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,
+ void *buffer, size_t size);
+ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset,
+ void *buffer, size_t size);
+
+/**
+ * drm_dp_dpcd_readb() - read a single byte from the DPCD
+ * @aux: DisplayPort AUX channel
+ * @offset: address of the register to read
+ * @valuep: location where the value of the register will be stored
+ *
+ * Returns the number of bytes transferred (1) on success, or a negative
+ * error code on failure.
+ */
+static inline ssize_t drm_dp_dpcd_readb(struct drm_dp_aux *aux,
+ unsigned int offset, u8 *valuep)
+{
+ return drm_dp_dpcd_read(aux, offset, valuep, 1);
+}
+
+/**
+ * drm_dp_dpcd_writeb() - write a single byte to the DPCD
+ * @aux: DisplayPort AUX channel
+ * @offset: address of the register to write
+ * @value: value to write to the register
+ *
+ * Returns the number of bytes transferred (1) on success, or a negative
+ * error code on failure.
+ */
+static inline ssize_t drm_dp_dpcd_writeb(struct drm_dp_aux *aux,
+ unsigned int offset, u8 value)
+{
+ return drm_dp_dpcd_write(aux, offset, &value, 1);
+}
+
+int drm_dp_read_dpcd_caps(struct drm_dp_aux *aux,
+ u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+
+int drm_dp_dpcd_read_link_status(struct drm_dp_aux *aux,
+ u8 status[DP_LINK_STATUS_SIZE]);
+
+int drm_dp_dpcd_read_phy_link_status(struct drm_dp_aux *aux,
+ enum drm_dp_phy dp_phy,
+ u8 link_status[DP_LINK_STATUS_SIZE]);
+
+bool drm_dp_send_real_edid_checksum(struct drm_dp_aux *aux,
+ u8 real_edid_checksum);
+
+int drm_dp_read_downstream_info(struct drm_dp_aux *aux,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]);
+bool drm_dp_downstream_is_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4], u8 type);
+bool drm_dp_downstream_is_tmds(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid);
+int drm_dp_downstream_max_dotclock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+int drm_dp_downstream_max_tmds_clock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid);
+int drm_dp_downstream_min_tmds_clock(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid);
+int drm_dp_downstream_max_bpc(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid);
+bool drm_dp_downstream_420_passthrough(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+bool drm_dp_downstream_444_to_420_conversion(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+struct drm_display_mode *drm_dp_downstream_mode(struct drm_device *dev,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+int drm_dp_downstream_id(struct drm_dp_aux *aux, char id[6]);
+void drm_dp_downstream_debug(struct seq_file *m,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4],
+ const struct edid *edid,
+ struct drm_dp_aux *aux);
+enum drm_mode_subconnector
+drm_dp_subconnector_type(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+void drm_dp_set_subconnector_property(struct drm_connector *connector,
+ enum drm_connector_status status,
+ const u8 *dpcd,
+ const u8 port_cap[4]);
+
+struct drm_dp_desc;
+bool drm_dp_read_sink_count_cap(struct drm_connector *connector,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const struct drm_dp_desc *desc);
+int drm_dp_read_sink_count(struct drm_dp_aux *aux);
+
+int drm_dp_read_lttpr_common_caps(struct drm_dp_aux *aux,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
+int drm_dp_read_lttpr_phy_caps(struct drm_dp_aux *aux,
+ const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ enum drm_dp_phy dp_phy,
+ u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+int drm_dp_lttpr_count(const u8 cap[DP_LTTPR_COMMON_CAP_SIZE]);
+int drm_dp_lttpr_max_link_rate(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
+int drm_dp_lttpr_max_lane_count(const u8 caps[DP_LTTPR_COMMON_CAP_SIZE]);
+bool drm_dp_lttpr_voltage_swing_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+bool drm_dp_lttpr_pre_emphasis_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+
+void drm_dp_remote_aux_init(struct drm_dp_aux *aux);
+void drm_dp_aux_init(struct drm_dp_aux *aux);
+int drm_dp_aux_register(struct drm_dp_aux *aux);
+void drm_dp_aux_unregister(struct drm_dp_aux *aux);
+
+int drm_dp_start_crc(struct drm_dp_aux *aux, struct drm_crtc *crtc);
+int drm_dp_stop_crc(struct drm_dp_aux *aux);
+
+struct drm_dp_dpcd_ident {
+ u8 oui[3];
+ u8 device_id[6];
+ u8 hw_rev;
+ u8 sw_major_rev;
+ u8 sw_minor_rev;
+} __packed;
+
+/**
+ * struct drm_dp_desc - DP branch/sink device descriptor
+ * @ident: DP device identification from DPCD 0x400 (sink) or 0x500 (branch).
+ * @quirks: Quirks; use drm_dp_has_quirk() to query for the quirks.
+ */
+struct drm_dp_desc {
+ struct drm_dp_dpcd_ident ident;
+ u32 quirks;
+};
+
+int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc,
+ bool is_branch);
+
+/**
+ * enum drm_dp_quirk - Display Port sink/branch device specific quirks
+ *
+ * Display Port sink and branch devices in the wild have a variety of bugs, try
+ * to collect them here. The quirks are shared, but it's up to the drivers to
+ * implement workarounds for them.
+ */
+enum drm_dp_quirk {
+ /**
+ * @DP_DPCD_QUIRK_CONSTANT_N:
+ *
+ * The device requires main link attributes Mvid and Nvid to be limited
+ * to 16 bits. So will give a constant value (0x8000) for compatability.
+ */
+ DP_DPCD_QUIRK_CONSTANT_N,
+ /**
+ * @DP_DPCD_QUIRK_NO_PSR:
+ *
+ * The device does not support PSR even if reports that it supports or
+ * driver still need to implement proper handling for such device.
+ */
+ DP_DPCD_QUIRK_NO_PSR,
+ /**
+ * @DP_DPCD_QUIRK_NO_SINK_COUNT:
+ *
+ * The device does not set SINK_COUNT to a non-zero value.
+ * The driver should ignore SINK_COUNT during detection. Note that
+ * drm_dp_read_sink_count_cap() automatically checks for this quirk.
+ */
+ DP_DPCD_QUIRK_NO_SINK_COUNT,
+ /**
+ * @DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD:
+ *
+ * The device supports MST DSC despite not supporting Virtual DPCD.
+ * The DSC caps can be read from the physical aux instead.
+ */
+ DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD,
+ /**
+ * @DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS:
+ *
+ * The device supports a link rate of 3.24 Gbps (multiplier 0xc) despite
+ * the DP_MAX_LINK_RATE register reporting a lower max multiplier.
+ */
+ DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS,
+};
+
+/**
+ * drm_dp_has_quirk() - does the DP device have a specific quirk
+ * @desc: Device descriptor filled by drm_dp_read_desc()
+ * @quirk: Quirk to query for
+ *
+ * Return true if DP device identified by @desc has @quirk.
+ */
+static inline bool
+drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk)
+{
+ return desc->quirks & BIT(quirk);
+}
+
+/**
+ * struct drm_edp_backlight_info - Probed eDP backlight info struct
+ * @pwmgen_bit_count: The pwmgen bit count
+ * @pwm_freq_pre_divider: The PWM frequency pre-divider value being used for this backlight, if any
+ * @max: The maximum backlight level that may be set
+ * @lsb_reg_used: Do we also write values to the DP_EDP_BACKLIGHT_BRIGHTNESS_LSB register?
+ * @aux_enable: Does the panel support the AUX enable cap?
+ * @aux_set: Does the panel support setting the brightness through AUX?
+ *
+ * This structure contains various data about an eDP backlight, which can be populated by using
+ * drm_edp_backlight_init().
+ */
+struct drm_edp_backlight_info {
+ u8 pwmgen_bit_count;
+ u8 pwm_freq_pre_divider;
+ u16 max;
+
+ bool lsb_reg_used : 1;
+ bool aux_enable : 1;
+ bool aux_set : 1;
+};
+
+int
+drm_edp_backlight_init(struct drm_dp_aux *aux, struct drm_edp_backlight_info *bl,
+ u16 driver_pwm_freq_hz, const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE],
+ u16 *current_level, u8 *current_mode);
+int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
+ u16 level);
+int drm_edp_backlight_enable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
+ u16 level);
+int drm_edp_backlight_disable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl);
+
+#if IS_ENABLED(CONFIG_DRM_KMS_HELPER) && (IS_BUILTIN(CONFIG_BACKLIGHT_CLASS_DEVICE) || \
+ (IS_MODULE(CONFIG_DRM_KMS_HELPER) && IS_MODULE(CONFIG_BACKLIGHT_CLASS_DEVICE)))
+
+int drm_panel_dp_aux_backlight(struct drm_panel *panel, struct drm_dp_aux *aux);
+
+#else
+
+static inline int drm_panel_dp_aux_backlight(struct drm_panel *panel,
+ struct drm_dp_aux *aux)
+{
+ return 0;
+}
+
+#endif
+
+#ifdef CONFIG_DRM_DP_CEC
+void drm_dp_cec_irq(struct drm_dp_aux *aux);
+void drm_dp_cec_register_connector(struct drm_dp_aux *aux,
+ struct drm_connector *connector);
+void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux);
+void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid);
+void drm_dp_cec_unset_edid(struct drm_dp_aux *aux);
+#else
+static inline void drm_dp_cec_irq(struct drm_dp_aux *aux)
+{
+}
+
+static inline void
+drm_dp_cec_register_connector(struct drm_dp_aux *aux,
+ struct drm_connector *connector)
+{
+}
+
+static inline void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux)
+{
+}
+
+static inline void drm_dp_cec_set_edid(struct drm_dp_aux *aux,
+ const struct edid *edid)
+{
+}
+
+static inline void drm_dp_cec_unset_edid(struct drm_dp_aux *aux)
+{
+}
+
+#endif
+
+/**
+ * struct drm_dp_phy_test_params - DP Phy Compliance parameters
+ * @link_rate: Requested Link rate from DPCD 0x219
+ * @num_lanes: Number of lanes requested by sing through DPCD 0x220
+ * @phy_pattern: DP Phy test pattern from DPCD 0x248
+ * @hbr2_reset: DP HBR2_COMPLIANCE_SCRAMBLER_RESET from DCPD 0x24A and 0x24B
+ * @custom80: DP Test_80BIT_CUSTOM_PATTERN from DPCDs 0x250 through 0x259
+ * @enhanced_frame_cap: flag for enhanced frame capability.
+ */
+struct drm_dp_phy_test_params {
+ int link_rate;
+ u8 num_lanes;
+ u8 phy_pattern;
+ u8 hbr2_reset[2];
+ u8 custom80[10];
+ bool enhanced_frame_cap;
+};
+
+int drm_dp_get_phy_test_pattern(struct drm_dp_aux *aux,
+ struct drm_dp_phy_test_params *data);
+int drm_dp_set_phy_test_pattern(struct drm_dp_aux *aux,
+ struct drm_dp_phy_test_params *data, u8 dp_rev);
+int drm_dp_get_pcon_max_frl_bw(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4]);
+int drm_dp_pcon_frl_prepare(struct drm_dp_aux *aux, bool enable_frl_ready_hpd);
+bool drm_dp_pcon_is_frl_ready(struct drm_dp_aux *aux);
+int drm_dp_pcon_frl_configure_1(struct drm_dp_aux *aux, int max_frl_gbps,
+ u8 frl_mode);
+int drm_dp_pcon_frl_configure_2(struct drm_dp_aux *aux, int max_frl_mask,
+ u8 frl_type);
+int drm_dp_pcon_reset_frl_config(struct drm_dp_aux *aux);
+int drm_dp_pcon_frl_enable(struct drm_dp_aux *aux);
+
+bool drm_dp_pcon_hdmi_link_active(struct drm_dp_aux *aux);
+int drm_dp_pcon_hdmi_link_mode(struct drm_dp_aux *aux, u8 *frl_trained_mask);
+void drm_dp_pcon_hdmi_frl_link_error_count(struct drm_dp_aux *aux,
+ struct drm_connector *connector);
+bool drm_dp_pcon_enc_is_dsc_1_2(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
+int drm_dp_pcon_dsc_max_slices(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
+int drm_dp_pcon_dsc_max_slice_width(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
+int drm_dp_pcon_dsc_bpp_incr(const u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]);
+int drm_dp_pcon_pps_default(struct drm_dp_aux *aux);
+int drm_dp_pcon_pps_override_buf(struct drm_dp_aux *aux, u8 pps_buf[128]);
+int drm_dp_pcon_pps_override_param(struct drm_dp_aux *aux, u8 pps_param[6]);
+bool drm_dp_downstream_rgb_to_ycbcr_conversion(const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+ const u8 port_cap[4], u8 color_spc);
+int drm_dp_pcon_convert_rgb_to_ycbcr(struct drm_dp_aux *aux, u8 color_spc);
+
+#endif /* _DRM_DP_HELPER_H_ */
diff --git a/include/drm/dp/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index 08276eb8c187..10adec068b7f 100644
--- a/include/drm/dp/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -23,7 +23,7 @@
#define _DRM_DP_MST_HELPER_H_
#include <linux/types.h>
-#include <drm/dp/drm_dp_helper.h>
+#include <drm/display/drm_dp_helper.h>
#include <drm/drm_atomic.h>
#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
diff --git a/include/drm/drm_dsc.h b/include/drm/display/drm_dsc.h
index ca022e960dcc..bc90273d06a6 100644
--- a/include/drm/drm_dsc.h
+++ b/include/drm/display/drm_dsc.h
@@ -8,7 +8,7 @@
#ifndef DRM_DSC_H_
#define DRM_DSC_H_
-#include <drm/dp/drm_dp_helper.h>
+#include <drm/display/drm_dp.h>
/* VESA Display Stream Compression DSC 1.2 constants */
#define DSC_NUM_BUF_RANGES 15
@@ -602,10 +602,4 @@ struct drm_dsc_pps_infoframe {
struct drm_dsc_picture_parameter_set pps_payload;
} __packed;
-void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header);
-int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size);
-void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp,
- const struct drm_dsc_config *dsc_cfg);
-int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg);
-
#endif /* _DRM_DSC_H_ */
diff --git a/include/drm/display/drm_dsc_helper.h b/include/drm/display/drm_dsc_helper.h
new file mode 100644
index 000000000000..8b41edbbabab
--- /dev/null
+++ b/include/drm/display/drm_dsc_helper.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: MIT
+ * Copyright (C) 2018 Intel Corp.
+ *
+ * Authors:
+ * Manasi Navare <manasi.d.navare@intel.com>
+ */
+
+#ifndef DRM_DSC_HELPER_H_
+#define DRM_DSC_HELPER_H_
+
+#include <drm/display/drm_dsc.h>
+
+void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header);
+int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size);
+void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp,
+ const struct drm_dsc_config *dsc_cfg);
+int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg);
+
+#endif /* _DRM_DSC_HELPER_H_ */
+
diff --git a/include/drm/drm_hdcp.h b/include/drm/display/drm_hdcp.h
index 0b1111e3228e..96a99b1377c0 100644
--- a/include/drm/drm_hdcp.h
+++ b/include/drm/display/drm_hdcp.h
@@ -6,8 +6,8 @@
* Sean Paul <seanpaul@chromium.org>
*/
-#ifndef _DRM_HDCP_H_INCLUDED_
-#define _DRM_HDCP_H_INCLUDED_
+#ifndef _DRM_HDCP_H_
+#define _DRM_HDCP_H_
#include <linux/types.h>
@@ -291,16 +291,6 @@ struct hdcp_srm_header {
u8 srm_gen_no;
} __packed;
-struct drm_device;
-struct drm_connector;
-
-int drm_hdcp_check_ksvs_revoked(struct drm_device *dev,
- u8 *ksvs, u32 ksv_count);
-int drm_connector_attach_content_protection_property(
- struct drm_connector *connector, bool hdcp_content_type);
-void drm_hdcp_update_content_protection(struct drm_connector *connector,
- u64 val);
-
/* Content Type classification for HDCP2.2 vs others */
#define DRM_MODE_HDCP_CONTENT_TYPE0 0
#define DRM_MODE_HDCP_CONTENT_TYPE1 1
diff --git a/include/drm/display/drm_hdcp_helper.h b/include/drm/display/drm_hdcp_helper.h
new file mode 100644
index 000000000000..8aaf87bf2735
--- /dev/null
+++ b/include/drm/display/drm_hdcp_helper.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright (C) 2017 Google, Inc.
+ *
+ * Authors:
+ * Sean Paul <seanpaul@chromium.org>
+ */
+
+#ifndef _DRM_HDCP_HELPER_H_INCLUDED_
+#define _DRM_HDCP_HELPER_H_INCLUDED_
+
+#include <drm/display/drm_hdcp.h>
+
+struct drm_device;
+struct drm_connector;
+
+int drm_hdcp_check_ksvs_revoked(struct drm_device *dev, u8 *ksvs, u32 ksv_count);
+int drm_connector_attach_content_protection_property(struct drm_connector *connector,
+ bool hdcp_content_type);
+void drm_hdcp_update_content_protection(struct drm_connector *connector, u64 val);
+
+#endif
diff --git a/include/drm/display/drm_hdmi_helper.h b/include/drm/display/drm_hdmi_helper.h
new file mode 100644
index 000000000000..76d234826e22
--- /dev/null
+++ b/include/drm/display/drm_hdmi_helper.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef DRM_HDMI_HELPER
+#define DRM_HDMI_HELPER
+
+#include <linux/hdmi.h>
+
+struct drm_connector;
+struct drm_connector_state;
+struct drm_display_mode;
+
+void
+drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
+ const struct drm_connector_state *conn_state);
+
+void
+drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
+ const struct drm_connector_state *conn_state);
+
+int
+drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
+ const struct drm_connector_state *conn_state);
+
+void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
+ const struct drm_connector_state *conn_state);
+
+#endif
diff --git a/include/drm/drm_scdc_helper.h b/include/drm/display/drm_scdc.h
index 6a483533aae4..3d58f37e8ed8 100644
--- a/include/drm/drm_scdc_helper.h
+++ b/include/drm/display/drm_scdc.h
@@ -21,11 +21,8 @@
* DEALINGS IN THE SOFTWARE.
*/
-#ifndef DRM_SCDC_HELPER_H
-#define DRM_SCDC_HELPER_H
-
-#include <linux/i2c.h>
-#include <linux/types.h>
+#ifndef DRM_SCDC_H
+#define DRM_SCDC_H
#define SCDC_SINK_VERSION 0x01
@@ -88,49 +85,4 @@
#define SCDC_MANUFACTURER_SPECIFIC 0xde
#define SCDC_MANUFACTURER_SPECIFIC_SIZE 34
-ssize_t drm_scdc_read(struct i2c_adapter *adapter, u8 offset, void *buffer,
- size_t size);
-ssize_t drm_scdc_write(struct i2c_adapter *adapter, u8 offset,
- const void *buffer, size_t size);
-
-/**
- * drm_scdc_readb - read a single byte from SCDC
- * @adapter: I2C adapter
- * @offset: offset of register to read
- * @value: return location for the register value
- *
- * Reads a single byte from SCDC. This is a convenience wrapper around the
- * drm_scdc_read() function.
- *
- * Returns:
- * 0 on success or a negative error code on failure.
- */
-static inline int drm_scdc_readb(struct i2c_adapter *adapter, u8 offset,
- u8 *value)
-{
- return drm_scdc_read(adapter, offset, value, sizeof(*value));
-}
-
-/**
- * drm_scdc_writeb - write a single byte to SCDC
- * @adapter: I2C adapter
- * @offset: offset of register to read
- * @value: return location for the register value
- *
- * Writes a single byte to SCDC. This is a convenience wrapper around the
- * drm_scdc_write() function.
- *
- * Returns:
- * 0 on success or a negative error code on failure.
- */
-static inline int drm_scdc_writeb(struct i2c_adapter *adapter, u8 offset,
- u8 value)
-{
- return drm_scdc_write(adapter, offset, &value, sizeof(value));
-}
-
-bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter);
-
-bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable);
-bool drm_scdc_set_high_tmds_clock_ratio(struct i2c_adapter *adapter, bool set);
#endif
diff --git a/include/drm/display/drm_scdc_helper.h b/include/drm/display/drm_scdc_helper.h
new file mode 100644
index 000000000000..ded01fd948b4
--- /dev/null
+++ b/include/drm/display/drm_scdc_helper.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2015 NVIDIA Corporation. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef DRM_SCDC_HELPER_H
+#define DRM_SCDC_HELPER_H
+
+#include <linux/types.h>
+
+#include <drm/display/drm_scdc.h>
+
+struct i2c_adapter;
+
+ssize_t drm_scdc_read(struct i2c_adapter *adapter, u8 offset, void *buffer,
+ size_t size);
+ssize_t drm_scdc_write(struct i2c_adapter *adapter, u8 offset,
+ const void *buffer, size_t size);
+
+/**
+ * drm_scdc_readb - read a single byte from SCDC
+ * @adapter: I2C adapter
+ * @offset: offset of register to read
+ * @value: return location for the register value
+ *
+ * Reads a single byte from SCDC. This is a convenience wrapper around the
+ * drm_scdc_read() function.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+static inline int drm_scdc_readb(struct i2c_adapter *adapter, u8 offset,
+ u8 *value)
+{
+ return drm_scdc_read(adapter, offset, value, sizeof(*value));
+}
+
+/**
+ * drm_scdc_writeb - write a single byte to SCDC
+ * @adapter: I2C adapter
+ * @offset: offset of register to read
+ * @value: return location for the register value
+ *
+ * Writes a single byte to SCDC. This is a convenience wrapper around the
+ * drm_scdc_write() function.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+static inline int drm_scdc_writeb(struct i2c_adapter *adapter, u8 offset,
+ u8 value)
+{
+ return drm_scdc_write(adapter, offset, &value, sizeof(value));
+}
+
+bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter);
+
+bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable);
+bool drm_scdc_set_high_tmds_clock_ratio(struct i2c_adapter *adapter, bool set);
+
+#endif
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 1701c2128a5c..0777725085df 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -227,6 +227,18 @@ struct drm_private_state_funcs {
*/
void (*atomic_destroy_state)(struct drm_private_obj *obj,
struct drm_private_state *state);
+
+ /**
+ * @atomic_print_state:
+ *
+ * If driver subclasses &struct drm_private_state, it should implement
+ * this optional hook for printing additional driver specific state.
+ *
+ * Do not call this directly, use drm_atomic_private_obj_print_state()
+ * instead.
+ */
+ void (*atomic_print_state)(struct drm_printer *p,
+ const struct drm_private_state *state);
};
/**
@@ -311,14 +323,21 @@ struct drm_private_obj {
/**
* struct drm_private_state - base struct for driver private object state
- * @state: backpointer to global drm_atomic_state
*
- * Currently only contains a backpointer to the overall atomic update, but in
- * the future also might hold synchronization information similar to e.g.
- * &drm_crtc.commit.
+ * Currently only contains a backpointer to the overall atomic update,
+ * and the relevant private object but in the future also might hold
+ * synchronization information similar to e.g. &drm_crtc.commit.
*/
struct drm_private_state {
+ /**
+ * @state: backpointer to global drm_atomic_state
+ */
struct drm_atomic_state *state;
+
+ /**
+ * @obj: backpointer to the private object
+ */
+ struct drm_private_obj *obj;
};
struct __drm_private_objs_state {
diff --git a/include/drm/drm_atomic_uapi.h b/include/drm/drm_atomic_uapi.h
index 8cec52ad1277..4c6d39d7bdb2 100644
--- a/include/drm/drm_atomic_uapi.h
+++ b/include/drm/drm_atomic_uapi.h
@@ -49,8 +49,6 @@ drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
struct drm_crtc *crtc);
void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
struct drm_framebuffer *fb);
-void drm_atomic_set_fence_for_plane(struct drm_plane_state *plane_state,
- struct dma_fence *fence);
int __must_check
drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
struct drm_crtc *crtc);
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 5166186146f4..3ac4bf87f257 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1784,9 +1784,6 @@ int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
int drm_mode_create_hdmi_colorspace_property(struct drm_connector *connector);
int drm_mode_create_dp_colorspace_property(struct drm_connector *connector);
int drm_mode_create_content_type_property(struct drm_device *dev);
-void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
- const struct drm_connector_state *conn_state);
-
int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
int drm_connector_set_path_property(struct drm_connector *connector,
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 144c495b99c4..c3204a58fb09 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -372,8 +372,8 @@ struct drm_connector;
struct drm_connector_state;
struct drm_display_mode;
-int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads);
-int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb);
+int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads);
+int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb);
int drm_av_sync_delay(struct drm_connector *connector,
const struct drm_display_mode *mode);
@@ -401,23 +401,11 @@ drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
const struct drm_display_mode *mode);
void
-drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
- const struct drm_connector_state *conn_state);
-
-void
-drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
- const struct drm_connector_state *conn_state);
-
-void
drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
const struct drm_connector *connector,
const struct drm_display_mode *mode,
enum hdmi_quantization_range rgb_quant_range);
-int
-drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
- const struct drm_connector_state *conn_state);
-
/**
* drm_eld_mnl - Get ELD monitor name length in bytes.
* @eld: pointer to an eld memory structure with mnl set
@@ -569,8 +557,8 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
int drm_add_override_edid_modes(struct drm_connector *connector);
u8 drm_match_cea_mode(const struct drm_display_mode *to_match);
-bool drm_detect_hdmi_monitor(struct edid *edid);
-bool drm_detect_monitor_audio(struct edid *edid);
+bool drm_detect_hdmi_monitor(const struct edid *edid);
+bool drm_detect_monitor_audio(const struct edid *edid);
enum hdmi_quantization_range
drm_default_rgb_quant_range(const struct drm_display_mode *mode);
int drm_add_modes_noedid(struct drm_connector *connector,
@@ -578,11 +566,11 @@ int drm_add_modes_noedid(struct drm_connector *connector,
void drm_set_preferred_mode(struct drm_connector *connector,
int hpref, int vpref);
-int drm_edid_header_is_valid(const u8 *raw_edid);
+int drm_edid_header_is_valid(const void *edid);
bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
bool *edid_corrupt);
bool drm_edid_is_valid(struct edid *edid);
-void drm_edid_get_monitor_name(struct edid *edid, char *name,
+void drm_edid_get_monitor_name(const struct edid *edid, char *name,
int buflen);
struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
int hsize, int vsize, int fresh,
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 3af4624368d8..329607ca65c0 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -229,8 +229,7 @@ void drm_fb_helper_fill_info(struct fb_info *info,
struct drm_fb_helper *fb_helper,
struct drm_fb_helper_surface_size *sizes);
-void drm_fb_helper_deferred_io(struct fb_info *info,
- struct list_head *pagelist);
+void drm_fb_helper_deferred_io(struct fb_info *info, struct list_head *pagereflist);
ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf,
size_t count, loff_t *ppos);
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index a3acb7ac3550..e0a73a1e2df7 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -248,7 +248,7 @@ struct drm_file {
*/
struct drm_master *master;
- /** @master_lock: Serializes @master. */
+ /** @master_lookup_lock: Serializes @master. */
spinlock_t master_lookup_lock;
/** @pid: Process that opened this file. */
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index 0b0937c0b2f6..55145eca0782 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -43,8 +43,7 @@ int drm_fb_blit_toio(void __iomem *dst, unsigned int dst_pitch, uint32_t dst_for
const void *vmap, const struct drm_framebuffer *fb,
const struct drm_rect *rect);
-void drm_fb_xrgb8888_to_mono_reversed(void *dst, unsigned int dst_pitch, const void *src,
- const struct drm_framebuffer *fb,
- const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_mono(void *dst, unsigned int dst_pitch, const void *src,
+ const struct drm_framebuffer *fb, const struct drm_rect *clip);
#endif /* __LINUX_DRM_FORMAT_HELPER_H */
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index e2941cee14b6..9d7c61a122dc 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -407,11 +407,6 @@ int drm_gem_lock_reservations(struct drm_gem_object **objs, int count,
struct ww_acquire_ctx *acquire_ctx);
void drm_gem_unlock_reservations(struct drm_gem_object **objs, int count,
struct ww_acquire_ctx *acquire_ctx);
-int drm_gem_fence_array_add(struct xarray *fence_array,
- struct dma_fence *fence);
-int drm_gem_fence_array_add_implicit(struct xarray *fence_array,
- struct drm_gem_object *obj,
- bool write);
int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
u32 handle, u64 *offset);
diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h
index b45c6fbf53ac..359883942612 100644
--- a/include/drm/drm_managed.h
+++ b/include/drm/drm_managed.h
@@ -8,6 +8,7 @@
#include <linux/types.h>
struct drm_device;
+struct mutex;
typedef void (*drmres_release_t)(struct drm_device *dev, void *res);
@@ -104,4 +105,6 @@ char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp);
void drmm_kfree(struct drm_device *dev, void *data);
+int drmm_mutex_init(struct drm_device *dev, struct mutex *lock);
+
#endif
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 147e51b6d241..51e09a1a106a 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -137,6 +137,8 @@ struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node);
#define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10)
/* transmit data in low power */
#define MIPI_DSI_MODE_LPM BIT(11)
+/* transmit data ending at the same time for all lanes within one hsync */
+#define MIPI_DSI_HS_PKT_END_ALIGNED BIT(12)
enum mipi_dsi_pixel_format {
MIPI_DSI_FMT_RGB888,
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index 2fa6b2c33b3f..a80ae9639e96 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -492,6 +492,8 @@ void drm_mode_set_crtcinfo(struct drm_display_mode *p,
int adjust_flags);
void drm_mode_copy(struct drm_display_mode *dst,
const struct drm_display_mode *src);
+void drm_mode_init(struct drm_display_mode *dst,
+ const struct drm_display_mode *src);
struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
const struct drm_display_mode *mode);
bool drm_mode_match(const struct drm_display_mode *mode1,
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index fdfa9f37ce05..fafa70ac1337 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -1384,7 +1384,7 @@ struct drm_mode_config_helper_funcs {
* starting to commit the update to the hardware.
*
* After the atomic update is committed to the hardware this hook needs
- * to call drm_atomic_helper_commit_hw_done(). Then wait for the upate
+ * to call drm_atomic_helper_commit_hw_done(). Then wait for the update
* to be executed by the hardware, for example using
* drm_atomic_helper_wait_for_vblanks() or
* drm_atomic_helper_wait_for_flip_done(), and then clean up the old
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 1ba2d424a53f..d279ee455f01 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -179,6 +179,13 @@ struct drm_panel {
* Panel entry in registry.
*/
struct list_head list;
+
+ /**
+ * @dsc:
+ *
+ * Panel DSC pps payload to be sent
+ */
+ struct drm_dsc_config *dsc;
};
void drm_panel_init(struct drm_panel *panel, struct device *dev,
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 2628c7cde2da..89ea54652e87 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -74,9 +74,7 @@ struct drm_plane_state {
*
* Optional fence to wait for before scanning out @fb. The core atomic
* code will set this when userspace is using explicit fencing. Do not
- * write this field directly for a driver's implicit fence, use
- * drm_atomic_set_fence_for_plane() to ensure that an explicit fence is
- * preserved.
+ * write this field directly for a driver's implicit fence.
*
* Drivers should store any implicit fence in this from their
* &drm_plane_helper_funcs.prepare_fb callback. See drm_gem_plane_helper_prepare_fb()
diff --git a/include/drm/drm_writeback.h b/include/drm/drm_writeback.h
index 9697d2714d2a..17e576c80169 100644
--- a/include/drm/drm_writeback.h
+++ b/include/drm/drm_writeback.h
@@ -30,6 +30,8 @@ struct drm_writeback_connector {
* @drm_writeback_connector control the behaviour of the @encoder
* by passing the @enc_funcs parameter to drm_writeback_connector_init()
* function.
+ * For users of drm_writeback_connector_init_with_encoder(), this field
+ * is not valid as the encoder is managed within their drivers.
*/
struct drm_encoder encoder;
@@ -150,7 +152,14 @@ int drm_writeback_connector_init(struct drm_device *dev,
struct drm_writeback_connector *wb_connector,
const struct drm_connector_funcs *con_funcs,
const struct drm_encoder_helper_funcs *enc_helper_funcs,
- const u32 *formats, int n_formats);
+ const u32 *formats, int n_formats,
+ u32 possible_crtcs);
+
+int drm_writeback_connector_init_with_encoder(struct drm_device *dev,
+ struct drm_writeback_connector *wb_connector,
+ struct drm_encoder *enc,
+ const struct drm_connector_funcs *con_funcs, const u32 *formats,
+ int n_formats);
int drm_writeback_set_fb(struct drm_connector_state *conn_state,
struct drm_framebuffer *fb);
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 944f83ef9f2e..0fca8f38bee4 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -270,6 +270,7 @@ struct drm_sched_fence *to_drm_sched_fence(struct dma_fence *f);
* @sched: the scheduler instance on which this job is scheduled.
* @s_fence: contains the fences for the scheduling of job.
* @finish_cb: the callback for the finished fence.
+ * @work: Helper to reschdeule job kill to different context.
* @id: a unique id assigned to each job scheduled on the scheduler.
* @karma: increment on every hang caused by this job. If this exceeds the hang
* limit of the scheduler then the job is marked guilty and will not
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 6722005884db..7adce327c1c2 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -26,8 +26,7 @@
#ifndef _I915_DRM_H_
#define _I915_DRM_H_
-#include <drm/i915_pciids.h>
-#include <uapi/drm/i915_drm.h>
+#include <linux/types.h>
/* For use by IPS driver */
unsigned long i915_read_mch_val(void);
diff --git a/include/drm/i915_mei_hdcp_interface.h b/include/drm/i915_mei_hdcp_interface.h
index 702f613243bb..f441cbcd95a4 100644
--- a/include/drm/i915_mei_hdcp_interface.h
+++ b/include/drm/i915_mei_hdcp_interface.h
@@ -11,7 +11,7 @@
#include <linux/mutex.h>
#include <linux/device.h>
-#include <drm/drm_hdcp.h>
+#include <drm/display/drm_hdcp.h>
/**
* enum hdcp_port_type - HDCP port implementation type defined by ME FW
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 533890dc9da1..283dadfbb4db 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -679,6 +679,39 @@
INTEL_VGA_DEVICE(0xA782, info), \
INTEL_VGA_DEVICE(0xA783, info), \
INTEL_VGA_DEVICE(0xA788, info), \
- INTEL_VGA_DEVICE(0xA789, info)
+ INTEL_VGA_DEVICE(0xA789, info), \
+ INTEL_VGA_DEVICE(0xA78A, info), \
+ INTEL_VGA_DEVICE(0xA78B, info)
+
+/* RPL-P */
+#define INTEL_RPLP_IDS(info) \
+ INTEL_VGA_DEVICE(0xA720, info), \
+ INTEL_VGA_DEVICE(0xA721, info), \
+ INTEL_VGA_DEVICE(0xA7A0, info), \
+ INTEL_VGA_DEVICE(0xA7A1, info), \
+ INTEL_VGA_DEVICE(0xA7A8, info), \
+ INTEL_VGA_DEVICE(0xA7A9, info)
+
+/* DG2 */
+#define INTEL_DG2_G10_IDS(info) \
+ INTEL_VGA_DEVICE(0x5690, info), \
+ INTEL_VGA_DEVICE(0x5691, info), \
+ INTEL_VGA_DEVICE(0x5692, info)
+
+#define INTEL_DG2_G11_IDS(info) \
+ INTEL_VGA_DEVICE(0x5693, info), \
+ INTEL_VGA_DEVICE(0x5694, info), \
+ INTEL_VGA_DEVICE(0x5695, info), \
+ INTEL_VGA_DEVICE(0x56B0, info)
+
+#define INTEL_DG2_G12_IDS(info) \
+ INTEL_VGA_DEVICE(0x5696, info), \
+ INTEL_VGA_DEVICE(0x5697, info), \
+ INTEL_VGA_DEVICE(0x56B2, info)
+
+#define INTEL_DG2_IDS(info) \
+ INTEL_DG2_G10_IDS(info), \
+ INTEL_DG2_G11_IDS(info), \
+ INTEL_DG2_G12_IDS(info)
#endif /* _I915_PCIIDS_H */
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 155b19ee12fb..2d524f8b0802 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -55,8 +55,6 @@ struct ttm_placement;
struct ttm_place;
-struct ttm_lru_bulk_move;
-
/**
* enum ttm_bo_type
*
@@ -94,10 +92,8 @@ struct ttm_tt;
* @ttm: TTM structure holding system pages.
* @evicted: Whether the object was evicted without user-space knowing.
* @deleted: True if the object is only a zombie and already deleted.
- * @lru: List head for the lru list.
* @ddestroy: List head for the delayed destroy list.
* @swap: List head for swap LRU list.
- * @moving: Fence set when BO is moving
* @offset: The current GPU offset, which can have different meanings
* depending on the memory type. For SYSTEM type memory, it should be 0.
* @cur_placement: Hint of current placement.
@@ -138,19 +134,18 @@ struct ttm_buffer_object {
struct ttm_resource *resource;
struct ttm_tt *ttm;
bool deleted;
+ struct ttm_lru_bulk_move *bulk_move;
/**
* Members protected by the bdev::lru_lock.
*/
- struct list_head lru;
struct list_head ddestroy;
/**
* Members protected by a bo reservation.
*/
- struct dma_fence *moving;
unsigned priority;
unsigned pin_count;
@@ -291,30 +286,9 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
*/
void ttm_bo_put(struct ttm_buffer_object *bo);
-/**
- * ttm_bo_move_to_lru_tail
- *
- * @bo: The buffer object.
- * @mem: Resource object.
- * @bulk: optional bulk move structure to remember BO positions
- *
- * Move this BO to the tail of all lru lists used to lookup and reserve an
- * object. This function must be called with struct ttm_global::lru_lock
- * held, and is used to make a BO less likely to be considered for eviction.
- */
-void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
- struct ttm_resource *mem,
- struct ttm_lru_bulk_move *bulk);
-
-/**
- * ttm_bo_bulk_move_lru_tail
- *
- * @bulk: bulk move structure
- *
- * Bulk move BOs to the LRU tail, only valid to use when driver makes sure that
- * BO order never changes. Should be called with ttm_global::lru_lock held.
- */
-void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk);
+void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo);
+void ttm_bo_set_bulk_move(struct ttm_buffer_object *bo,
+ struct ttm_lru_bulk_move *bulk);
/**
* ttm_bo_lock_delayed_workqueue
@@ -540,34 +514,8 @@ ssize_t ttm_bo_io(struct ttm_device *bdev, struct file *filp,
int ttm_bo_swapout(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
gfp_t gfp_flags);
-/**
- * ttm_bo_pin - Pin the buffer object.
- * @bo: The buffer object to pin
- *
- * Make sure the buffer is not evicted any more during memory pressure.
- */
-static inline void ttm_bo_pin(struct ttm_buffer_object *bo)
-{
- dma_resv_assert_held(bo->base.resv);
- WARN_ON_ONCE(!kref_read(&bo->kref));
- ++bo->pin_count;
-}
-
-/**
- * ttm_bo_unpin - Unpin the buffer object.
- * @bo: The buffer object to unpin
- *
- * Allows the buffer object to be evicted again during memory pressure.
- */
-static inline void ttm_bo_unpin(struct ttm_buffer_object *bo)
-{
- dma_resv_assert_held(bo->base.resv);
- WARN_ON_ONCE(!kref_read(&bo->kref));
- if (bo->pin_count)
- --bo->pin_count;
- else
- WARN_ON_ONCE(true);
-}
+void ttm_bo_pin(struct ttm_buffer_object *bo);
+void ttm_bo_unpin(struct ttm_buffer_object *bo);
int ttm_mem_evict_first(struct ttm_device *bdev,
struct ttm_resource_manager *man,
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 5f087575194b..897b88f0bd59 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -45,33 +45,6 @@
#include "ttm_tt.h"
#include "ttm_pool.h"
-/**
- * struct ttm_lru_bulk_move_pos
- *
- * @first: first BO in the bulk move range
- * @last: last BO in the bulk move range
- *
- * Positions for a lru bulk move.
- */
-struct ttm_lru_bulk_move_pos {
- struct ttm_buffer_object *first;
- struct ttm_buffer_object *last;
-};
-
-/**
- * struct ttm_lru_bulk_move
- *
- * @tt: first/last lru entry for BOs in the TT domain
- * @vram: first/last lru entry for BOs in the VRAM domain
- * @swap: first/last lru entry for BOs on the swap list
- *
- * Helper structure for bulk moves on the LRU list.
- */
-struct ttm_lru_bulk_move {
- struct ttm_lru_bulk_move_pos tt[TTM_MAX_BO_PRIORITY];
- struct ttm_lru_bulk_move_pos vram[TTM_MAX_BO_PRIORITY];
-};
-
/*
* ttm_bo.c
*/
@@ -182,7 +155,7 @@ static inline void
ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object *bo)
{
spin_lock(&bo->bdev->lru_lock);
- ttm_bo_move_to_lru_tail(bo, bo->resource, NULL);
+ ttm_bo_move_to_lru_tail(bo);
spin_unlock(&bo->bdev->lru_lock);
}
@@ -272,7 +245,7 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
struct ttm_resource *new_mem);
/**
- * ttm_bo_move_accel_cleanup.
+ * ttm_bo_move_sync_cleanup.
*
* @bo: A pointer to a struct ttm_buffer_object.
* @new_mem: struct ttm_resource indicating where to move.
@@ -280,13 +253,8 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
* Special case of ttm_bo_move_accel_cleanup where the bo is guaranteed
* by the caller to be idle. Typically used after memcpy buffer moves.
*/
-static inline void ttm_bo_move_sync_cleanup(struct ttm_buffer_object *bo,
- struct ttm_resource *new_mem)
-{
- int ret = ttm_bo_move_accel_cleanup(bo, NULL, true, false, new_mem);
-
- WARN_ON(ret);
-}
+void ttm_bo_move_sync_cleanup(struct ttm_buffer_object *bo,
+ struct ttm_resource *new_mem);
/**
* ttm_bo_pipeline_gutting.
diff --git a/include/drm/ttm/ttm_device.h b/include/drm/ttm/ttm_device.h
index 0a4ddec78d8f..95b3c04b1ab9 100644
--- a/include/drm/ttm/ttm_device.h
+++ b/include/drm/ttm/ttm_device.h
@@ -30,8 +30,6 @@
#include <drm/ttm/ttm_resource.h>
#include <drm/ttm/ttm_pool.h>
-#define TTM_NUM_MEM_TYPES 8
-
struct ttm_device;
struct ttm_placement;
struct ttm_buffer_object;
@@ -201,15 +199,6 @@ struct ttm_device_funcs {
void *buf, int len, int write);
/**
- * struct ttm_bo_driver member del_from_lru_notify
- *
- * @bo: the buffer object deleted from lru
- *
- * notify driver that a BO was deleted from LRU.
- */
- void (*del_from_lru_notify)(struct ttm_buffer_object *bo);
-
- /**
* Notify the driver that we're about to release a BO
*
* @bo: BO that is about to be released
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index 0f1d55262c68..441653693970 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -26,14 +26,17 @@
#define _TTM_RESOURCE_H_
#include <linux/types.h>
+#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/iosys-map.h>
#include <linux/dma-fence.h>
+
#include <drm/drm_print.h>
#include <drm/ttm/ttm_caching.h>
#include <drm/ttm/ttm_kmap_iter.h>
#define TTM_MAX_BO_PRIORITY 4U
+#define TTM_NUM_MEM_TYPES 8
struct ttm_device;
struct ttm_resource_manager;
@@ -178,6 +181,47 @@ struct ttm_resource {
uint32_t placement;
struct ttm_bus_placement bus;
struct ttm_buffer_object *bo;
+
+ /**
+ * @lru: Least recently used list, see &ttm_resource_manager.lru
+ */
+ struct list_head lru;
+};
+
+/**
+ * struct ttm_resource_cursor
+ *
+ * @priority: the current priority
+ *
+ * Cursor to iterate over the resources in a manager.
+ */
+struct ttm_resource_cursor {
+ unsigned int priority;
+};
+
+/**
+ * struct ttm_lru_bulk_move_pos
+ *
+ * @first: first res in the bulk move range
+ * @last: last res in the bulk move range
+ *
+ * Range of resources for a lru bulk move.
+ */
+struct ttm_lru_bulk_move_pos {
+ struct ttm_resource *first;
+ struct ttm_resource *last;
+};
+
+/**
+ * struct ttm_lru_bulk_move
+ *
+ * @pos: first/last lru entry for resources in the each domain/priority
+ *
+ * Container for the current bulk move state. Should be used with
+ * ttm_lru_bulk_move_init() and ttm_bo_set_bulk_move().
+ */
+struct ttm_lru_bulk_move {
+ struct ttm_lru_bulk_move_pos pos[TTM_NUM_MEM_TYPES][TTM_MAX_BO_PRIORITY];
};
/**
@@ -266,6 +310,15 @@ ttm_resource_manager_cleanup(struct ttm_resource_manager *man)
man->move = NULL;
}
+void ttm_lru_bulk_move_init(struct ttm_lru_bulk_move *bulk);
+void ttm_lru_bulk_move_add(struct ttm_lru_bulk_move *bulk,
+ struct ttm_resource *res);
+void ttm_lru_bulk_move_del(struct ttm_lru_bulk_move *bulk,
+ struct ttm_resource *res);
+void ttm_lru_bulk_move_tail(struct ttm_lru_bulk_move *bulk);
+
+void ttm_resource_move_to_lru_tail(struct ttm_resource *res);
+
void ttm_resource_init(struct ttm_buffer_object *bo,
const struct ttm_place *place,
struct ttm_resource *res);
@@ -292,6 +345,26 @@ uint64_t ttm_resource_manager_usage(struct ttm_resource_manager *man);
void ttm_resource_manager_debug(struct ttm_resource_manager *man,
struct drm_printer *p);
+struct ttm_resource *
+ttm_resource_manager_first(struct ttm_resource_manager *man,
+ struct ttm_resource_cursor *cursor);
+struct ttm_resource *
+ttm_resource_manager_next(struct ttm_resource_manager *man,
+ struct ttm_resource_cursor *cursor,
+ struct ttm_resource *res);
+
+/**
+ * ttm_resource_manager_for_each_res - iterate over all resources
+ * @man: the resource manager
+ * @cursor: struct ttm_resource_cursor for the current position
+ * @res: the current resource
+ *
+ * Iterate over all the evictable resources in a resource manager.
+ */
+#define ttm_resource_manager_for_each_res(man, cursor, res) \
+ for (res = ttm_resource_manager_first(man, cursor); res; \
+ res = ttm_resource_manager_next(man, cursor, res))
+
struct ttm_kmap_iter *
ttm_kmap_iter_iomap_init(struct ttm_kmap_iter_iomap *iter_io,
struct io_mapping *iomap,
@@ -308,4 +381,8 @@ ttm_kmap_iter_linear_io_init(struct ttm_kmap_iter_linear_io *iter_io,
void ttm_kmap_iter_linear_io_fini(struct ttm_kmap_iter_linear_io *iter_io,
struct ttm_device *bdev,
struct ttm_resource *mem);
+
+void ttm_resource_manager_create_debugfs(struct ttm_resource_manager *man,
+ struct dentry * parent,
+ const char *name);
#endif
diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h
index f20832139815..17a0310e8aaa 100644
--- a/include/drm/ttm/ttm_tt.h
+++ b/include/drm/ttm/ttm_tt.h
@@ -140,6 +140,7 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc);
* @bo: The buffer object we create the ttm for.
* @page_flags: Page flags as identified by TTM_TT_FLAG_XX flags.
* @caching: the desired caching state of the pages
+ * @extra_pages: Extra pages needed for the driver.
*
* Create a struct ttm_tt to back data with system memory pages.
* No pages are actually allocated.
@@ -147,7 +148,8 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc);
* NULL: Out of memory.
*/
int ttm_tt_init(struct ttm_tt *ttm, struct ttm_buffer_object *bo,
- uint32_t page_flags, enum ttm_caching caching);
+ uint32_t page_flags, enum ttm_caching caching,
+ unsigned long extra_pages);
int ttm_sg_tt_init(struct ttm_tt *ttm_dma, struct ttm_buffer_object *bo,
uint32_t page_flags, enum ttm_caching caching);
diff --git a/include/dt-bindings/soc/rockchip,vop2.h b/include/dt-bindings/soc/rockchip,vop2.h
new file mode 100644
index 000000000000..6e66a802b96a
--- /dev/null
+++ b/include/dt-bindings/soc/rockchip,vop2.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+
+#ifndef __DT_BINDINGS_ROCKCHIP_VOP2_H
+#define __DT_BINDINGS_ROCKCHIP_VOP2_H
+
+#define ROCKCHIP_VOP2_EP_RGB0 1
+#define ROCKCHIP_VOP2_EP_HDMI0 2
+#define ROCKCHIP_VOP2_EP_EDP0 3
+#define ROCKCHIP_VOP2_EP_MIPI0 4
+#define ROCKCHIP_VOP2_EP_LVDS0 5
+#define ROCKCHIP_VOP2_EP_MIPI1 6
+#define ROCKCHIP_VOP2_EP_LVDS1 7
+
+#endif /* __DT_BINDINGS_ROCKCHIP_VOP2_H */
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 2097760e8e95..71731796c8c3 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -393,27 +393,30 @@ struct dma_buf {
* e.g. exposed in `Implicit Fence Poll Support`_ must follow the
* below rules.
*
- * - Drivers must add a shared fence through dma_resv_add_shared_fence()
- * for anything the userspace API considers a read access. This highly
- * depends upon the API and window system.
+ * - Drivers must add a read fence through dma_resv_add_fence() with the
+ * DMA_RESV_USAGE_READ flag for anything the userspace API considers a
+ * read access. This highly depends upon the API and window system.
*
- * - Similarly drivers must set the exclusive fence through
- * dma_resv_add_excl_fence() for anything the userspace API considers
- * write access.
+ * - Similarly drivers must add a write fence through
+ * dma_resv_add_fence() with the DMA_RESV_USAGE_WRITE flag for
+ * anything the userspace API considers write access.
*
- * - Drivers may just always set the exclusive fence, since that only
+ * - Drivers may just always add a write fence, since that only
* causes unecessarily synchronization, but no correctness issues.
*
* - Some drivers only expose a synchronous userspace API with no
* pipelining across drivers. These do not set any fences for their
* access. An example here is v4l.
*
+ * - Driver should use dma_resv_usage_rw() when retrieving fences as
+ * dependency for implicit synchronization.
+ *
* DYNAMIC IMPORTER RULES:
*
* Dynamic importers, see dma_buf_attachment_is_dynamic(), have
* additional constraints on how they set up fences:
*
- * - Dynamic importers must obey the exclusive fence and wait for it to
+ * - Dynamic importers must obey the write fences and wait for them to
* signal before allowing access to the buffer's underlying storage
* through the device.
*
@@ -423,10 +426,9 @@ struct dma_buf {
*
* IMPORTANT:
*
- * All drivers must obey the struct dma_resv rules, specifically the
- * rules for updating fences, see &dma_resv.fence_excl and
- * &dma_resv.fence. If these dependency rules are broken access tracking
- * can be lost resulting in use after free issues.
+ * All drivers and memory management related functions must obey the
+ * struct dma_resv rules, specifically the rules for updating and
+ * obeying fences. See enum dma_resv_usage for further descriptions.
*/
struct dma_resv *resv;
diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h
index afdfdfac729f..c8ccbc94d5d2 100644
--- a/include/linux/dma-resv.h
+++ b/include/linux/dma-resv.h
@@ -47,24 +47,89 @@
extern struct ww_class reservation_ww_class;
+struct dma_resv_list;
+
/**
- * struct dma_resv_list - a list of shared fences
- * @rcu: for internal use
- * @shared_count: table of shared fences
- * @shared_max: for growing shared fence table
- * @shared: shared fence table
+ * enum dma_resv_usage - how the fences from a dma_resv obj are used
+ *
+ * This enum describes the different use cases for a dma_resv object and
+ * controls which fences are returned when queried.
+ *
+ * An important fact is that there is the order KERNEL<WRITE<READ<BOOKKEEP and
+ * when the dma_resv object is asked for fences for one use case the fences
+ * for the lower use case are returned as well.
+ *
+ * For example when asking for WRITE fences then the KERNEL fences are returned
+ * as well. Similar when asked for READ fences then both WRITE and KERNEL
+ * fences are returned as well.
*/
-struct dma_resv_list {
- struct rcu_head rcu;
- u32 shared_count, shared_max;
- struct dma_fence __rcu *shared[];
+enum dma_resv_usage {
+ /**
+ * @DMA_RESV_USAGE_KERNEL: For in kernel memory management only.
+ *
+ * This should only be used for things like copying or clearing memory
+ * with a DMA hardware engine for the purpose of kernel memory
+ * management.
+ *
+ * Drivers *always* must wait for those fences before accessing the
+ * resource protected by the dma_resv object. The only exception for
+ * that is when the resource is known to be locked down in place by
+ * pinning it previously.
+ */
+ DMA_RESV_USAGE_KERNEL,
+
+ /**
+ * @DMA_RESV_USAGE_WRITE: Implicit write synchronization.
+ *
+ * This should only be used for userspace command submissions which add
+ * an implicit write dependency.
+ */
+ DMA_RESV_USAGE_WRITE,
+
+ /**
+ * @DMA_RESV_USAGE_READ: Implicit read synchronization.
+ *
+ * This should only be used for userspace command submissions which add
+ * an implicit read dependency.
+ */
+ DMA_RESV_USAGE_READ,
+
+ /**
+ * @DMA_RESV_USAGE_BOOKKEEP: No implicit sync.
+ *
+ * This should be used by submissions which don't want to participate in
+ * implicit synchronization.
+ *
+ * The most common case are preemption fences as well as page table
+ * updates and their TLB flushes.
+ */
+ DMA_RESV_USAGE_BOOKKEEP
};
/**
+ * dma_resv_usage_rw - helper for implicit sync
+ * @write: true if we create a new implicit sync write
+ *
+ * This returns the implicit synchronization usage for write or read accesses,
+ * see enum dma_resv_usage and &dma_buf.resv.
+ */
+static inline enum dma_resv_usage dma_resv_usage_rw(bool write)
+{
+ /* This looks confusing at first sight, but is indeed correct.
+ *
+ * The rational is that new write operations needs to wait for the
+ * existing read and write operations to finish.
+ * But a new read operation only needs to wait for the existing write
+ * operations to finish.
+ */
+ return write ? DMA_RESV_USAGE_READ : DMA_RESV_USAGE_WRITE;
+}
+
+/**
* struct dma_resv - a reservation object manages fences for a buffer
*
- * There are multiple uses for this, with sometimes slightly different rules in
- * how the fence slots are used.
+ * This is a container for dma_fence objects which needs to handle multiple use
+ * cases.
*
* One use is to synchronize cross-driver access to a struct dma_buf, either for
* dynamic buffer management or just to handle implicit synchronization between
@@ -91,62 +156,16 @@ struct dma_resv {
struct ww_mutex lock;
/**
- * @seq:
+ * @fences:
*
- * Sequence count for managing RCU read-side synchronization, allows
- * read-only access to @fence_excl and @fence while ensuring we take a
- * consistent snapshot.
- */
- seqcount_ww_mutex_t seq;
-
- /**
- * @fence_excl:
- *
- * The exclusive fence, if there is one currently.
+ * Array of fences which where added to the dma_resv object
*
- * There are two ways to update this fence:
- *
- * - First by calling dma_resv_add_excl_fence(), which replaces all
- * fences attached to the reservation object. To guarantee that no
- * fences are lost, this new fence must signal only after all previous
- * fences, both shared and exclusive, have signalled. In some cases it
- * is convenient to achieve that by attaching a struct dma_fence_array
- * with all the new and old fences.
- *
- * - Alternatively the fence can be set directly, which leaves the
- * shared fences unchanged. To guarantee that no fences are lost, this
- * new fence must signal only after the previous exclusive fence has
- * signalled. Since the shared fences are staying intact, it is not
- * necessary to maintain any ordering against those. If semantically
- * only a new access is added without actually treating the previous
- * one as a dependency the exclusive fences can be strung together
- * using struct dma_fence_chain.
- *
- * Note that actual semantics of what an exclusive or shared fence mean
- * is defined by the user, for reservation objects shared across drivers
- * see &dma_buf.resv.
- */
- struct dma_fence __rcu *fence_excl;
-
- /**
- * @fence:
- *
- * List of current shared fences.
- *
- * There are no ordering constraints of shared fences against the
- * exclusive fence slot. If a waiter needs to wait for all access, it
- * has to wait for both sets of fences to signal.
- *
- * A new fence is added by calling dma_resv_add_shared_fence(). Since
- * this often needs to be done past the point of no return in command
+ * A new fence is added by calling dma_resv_add_fence(). Since this
+ * often needs to be done past the point of no return in command
* submission it cannot fail, and therefore sufficient slots need to be
- * reserved by calling dma_resv_reserve_shared().
- *
- * Note that actual semantics of what an exclusive or shared fence mean
- * is defined by the user, for reservation objects shared across drivers
- * see &dma_buf.resv.
+ * reserved by calling dma_resv_reserve_fences().
*/
- struct dma_resv_list __rcu *fence;
+ struct dma_resv_list __rcu *fences;
};
/**
@@ -165,14 +184,14 @@ struct dma_resv_iter {
/** @obj: The dma_resv object we iterate over */
struct dma_resv *obj;
- /** @all_fences: If all fences should be returned */
- bool all_fences;
+ /** @usage: Return fences with this usage or lower. */
+ enum dma_resv_usage usage;
/** @fence: the currently handled fence */
struct dma_fence *fence;
- /** @seq: sequence number to check for modifications */
- unsigned int seq;
+ /** @fence_usage: the usage of the current fence */
+ enum dma_resv_usage fence_usage;
/** @index: index into the shared fences */
unsigned int index;
@@ -180,8 +199,8 @@ struct dma_resv_iter {
/** @fences: the shared fences; private, *MUST* not dereference */
struct dma_resv_list *fences;
- /** @shared_count: number of shared fences */
- unsigned int shared_count;
+ /** @num_fences: number of fences */
+ unsigned int num_fences;
/** @is_restarted: true if this is the first returned fence */
bool is_restarted;
@@ -196,14 +215,14 @@ struct dma_fence *dma_resv_iter_next(struct dma_resv_iter *cursor);
* dma_resv_iter_begin - initialize a dma_resv_iter object
* @cursor: The dma_resv_iter object to initialize
* @obj: The dma_resv object which we want to iterate over
- * @all_fences: If all fences should be returned or just the exclusive one
+ * @usage: controls which fences to include, see enum dma_resv_usage.
*/
static inline void dma_resv_iter_begin(struct dma_resv_iter *cursor,
struct dma_resv *obj,
- bool all_fences)
+ enum dma_resv_usage usage)
{
cursor->obj = obj;
- cursor->all_fences = all_fences;
+ cursor->usage = usage;
cursor->fence = NULL;
}
@@ -220,14 +239,15 @@ static inline void dma_resv_iter_end(struct dma_resv_iter *cursor)
}
/**
- * dma_resv_iter_is_exclusive - test if the current fence is the exclusive one
+ * dma_resv_iter_usage - Return the usage of the current fence
* @cursor: the cursor of the current position
*
- * Returns true if the currently returned fence is the exclusive one.
+ * Returns the usage of the currently processed fence.
*/
-static inline bool dma_resv_iter_is_exclusive(struct dma_resv_iter *cursor)
+static inline enum dma_resv_usage
+dma_resv_iter_usage(struct dma_resv_iter *cursor)
{
- return cursor->index == 0;
+ return cursor->fence_usage;
}
/**
@@ -264,7 +284,7 @@ static inline bool dma_resv_iter_is_restarted(struct dma_resv_iter *cursor)
* dma_resv_for_each_fence - fence iterator
* @cursor: a struct dma_resv_iter pointer
* @obj: a dma_resv object pointer
- * @all_fences: true if all fences should be returned
+ * @usage: controls which fences to return
* @fence: the current fence
*
* Iterate over the fences in a struct dma_resv object while holding the
@@ -273,8 +293,8 @@ static inline bool dma_resv_iter_is_restarted(struct dma_resv_iter *cursor)
* valid as long as the lock is held and so no extra reference to the fence is
* taken.
*/
-#define dma_resv_for_each_fence(cursor, obj, all_fences, fence) \
- for (dma_resv_iter_begin(cursor, obj, all_fences), \
+#define dma_resv_for_each_fence(cursor, obj, usage, fence) \
+ for (dma_resv_iter_begin(cursor, obj, usage), \
fence = dma_resv_iter_first(cursor); fence; \
fence = dma_resv_iter_next(cursor))
@@ -282,9 +302,9 @@ static inline bool dma_resv_iter_is_restarted(struct dma_resv_iter *cursor)
#define dma_resv_assert_held(obj) lockdep_assert_held(&(obj)->lock.base)
#ifdef CONFIG_DEBUG_MUTEXES
-void dma_resv_reset_shared_max(struct dma_resv *obj);
+void dma_resv_reset_max_fences(struct dma_resv *obj);
#else
-static inline void dma_resv_reset_shared_max(struct dma_resv *obj) {}
+static inline void dma_resv_reset_max_fences(struct dma_resv *obj) {}
#endif
/**
@@ -430,51 +450,26 @@ static inline struct ww_acquire_ctx *dma_resv_locking_ctx(struct dma_resv *obj)
*/
static inline void dma_resv_unlock(struct dma_resv *obj)
{
- dma_resv_reset_shared_max(obj);
+ dma_resv_reset_max_fences(obj);
ww_mutex_unlock(&obj->lock);
}
-/**
- * dma_resv_excl_fence - return the object's exclusive fence
- * @obj: the reservation object
- *
- * Returns the exclusive fence (if any). Caller must either hold the objects
- * through dma_resv_lock() or the RCU read side lock through rcu_read_lock(),
- * or one of the variants of each
- *
- * RETURNS
- * The exclusive fence or NULL
- */
-static inline struct dma_fence *
-dma_resv_excl_fence(struct dma_resv *obj)
-{
- return rcu_dereference_check(obj->fence_excl, dma_resv_held(obj));
-}
-
-/**
- * dma_resv_shared_list - get the reservation object's shared fence list
- * @obj: the reservation object
- *
- * Returns the shared fence list. Caller must either hold the objects
- * through dma_resv_lock() or the RCU read side lock through rcu_read_lock(),
- * or one of the variants of each
- */
-static inline struct dma_resv_list *dma_resv_shared_list(struct dma_resv *obj)
-{
- return rcu_dereference_check(obj->fence, dma_resv_held(obj));
-}
-
void dma_resv_init(struct dma_resv *obj);
void dma_resv_fini(struct dma_resv *obj);
-int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences);
-void dma_resv_add_shared_fence(struct dma_resv *obj, struct dma_fence *fence);
-void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence);
-int dma_resv_get_fences(struct dma_resv *obj, bool write,
+int dma_resv_reserve_fences(struct dma_resv *obj, unsigned int num_fences);
+void dma_resv_add_fence(struct dma_resv *obj, struct dma_fence *fence,
+ enum dma_resv_usage usage);
+void dma_resv_replace_fences(struct dma_resv *obj, uint64_t context,
+ struct dma_fence *fence,
+ enum dma_resv_usage usage);
+int dma_resv_get_fences(struct dma_resv *obj, enum dma_resv_usage usage,
unsigned int *num_fences, struct dma_fence ***fences);
+int dma_resv_get_singleton(struct dma_resv *obj, enum dma_resv_usage usage,
+ struct dma_fence **fence);
int dma_resv_copy_fences(struct dma_resv *dst, struct dma_resv *src);
-long dma_resv_wait_timeout(struct dma_resv *obj, bool wait_all, bool intr,
- unsigned long timeout);
-bool dma_resv_test_signaled(struct dma_resv *obj, bool test_all);
+long dma_resv_wait_timeout(struct dma_resv *obj, enum dma_resv_usage usage,
+ bool intr, unsigned long timeout);
+bool dma_resv_test_signaled(struct dma_resv *obj, enum dma_resv_usage usage);
void dma_resv_describe(struct dma_resv *obj, struct seq_file *seq);
#endif /* _LINUX_RESERVATION_H */
diff --git a/include/linux/efi.h b/include/linux/efi.h
index db424f3dc3f2..7d9b0bb47eb3 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1349,11 +1349,7 @@ static inline struct efi_mokvar_table_entry *efi_mokvar_entry_find(
}
#endif
-#ifdef CONFIG_SYSFB
extern void efifb_setup_from_dmi(struct screen_info *si, const char *opt);
-#else
-static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt) { }
-#endif
struct linux_efi_coco_secret_area {
u64 base_pa;
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 9a77ab615c36..2892145468c9 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -201,12 +201,19 @@ struct fb_pixmap {
};
#ifdef CONFIG_FB_DEFERRED_IO
+struct fb_deferred_io_pageref {
+ struct page *page;
+ unsigned long offset;
+ /* private */
+ struct list_head list;
+};
+
struct fb_deferred_io {
/* delay between mkwrite and deferred handler */
unsigned long delay;
- bool sort_pagelist; /* sort pagelist by offset */
- struct mutex lock; /* mutex that protects the page list */
- struct list_head pagelist; /* list of touched pages */
+ bool sort_pagereflist; /* sort pagelist by offset */
+ struct mutex lock; /* mutex that protects the pageref list */
+ struct list_head pagereflist; /* list of pagerefs for touched pages */
/* callback */
void (*first_io)(struct fb_info *info);
void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
@@ -450,7 +457,6 @@ struct fb_info {
struct fb_var_screeninfo var; /* Current var */
struct fb_fix_screeninfo fix; /* Current fix */
struct fb_monspecs monspecs; /* Current Monitor specs */
- struct work_struct queue; /* Framebuffer event queue */
struct fb_pixmap pixmap; /* Image hardware mapper */
struct fb_pixmap sprite; /* Cursor hardware mapper */
struct fb_cmap cmap; /* Current cmap */
@@ -469,6 +475,8 @@ struct fb_info {
#endif
#ifdef CONFIG_FB_DEFERRED_IO
struct delayed_work deferred_work;
+ unsigned long npagerefs;
+ struct fb_deferred_io_pageref *pagerefs;
struct fb_deferred_io *fbdefio;
#endif
@@ -612,7 +620,6 @@ extern int remove_conflicting_pci_framebuffers(struct pci_dev *pdev,
const char *name);
extern int remove_conflicting_framebuffers(struct apertures_struct *a,
const char *name, bool primary);
-extern bool is_firmware_framebuffer(struct apertures_struct *a);
extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
extern int fb_show_logo(struct fb_info *fb_info, int rotate);
extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
@@ -662,7 +669,7 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
/* drivers/video/fb_defio.c */
int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma);
-extern void fb_deferred_io_init(struct fb_info *info);
+extern int fb_deferred_io_init(struct fb_info *info);
extern void fb_deferred_io_open(struct fb_info *info,
struct inode *inode,
struct file *file);
diff --git a/include/linux/host1x.h b/include/linux/host1x.h
index e8dc5bc41f79..c0bf4e581fe9 100644
--- a/include/linux/host1x.h
+++ b/include/linux/host1x.h
@@ -31,6 +31,11 @@ u64 host1x_get_dma_mask(struct host1x *host1x);
* struct host1x_bo_cache - host1x buffer object cache
* @mappings: list of mappings
* @lock: synchronizes accesses to the list of mappings
+ *
+ * Note that entries are not periodically evicted from this cache and instead need to be
+ * explicitly released. This is used primarily for DRM/KMS where the cache's reference is
+ * released when the last reference to a buffer object represented by a mapping in this
+ * cache is dropped.
*/
struct host1x_bo_cache {
struct list_head mappings;
@@ -81,6 +86,7 @@ struct host1x_client_ops {
* @parent: pointer to parent structure
* @usecount: reference count for this structure
* @lock: mutex for mutually exclusive concurrency
+ * @cache: host1x buffer object cache
*/
struct host1x_client {
struct list_head list;
diff --git a/include/linux/mdev.h b/include/linux/mdev.h
index 15d03f6532d0..bb539794f54a 100644
--- a/include/linux/mdev.h
+++ b/include/linux/mdev.h
@@ -15,7 +15,6 @@ struct mdev_type;
struct mdev_device {
struct device dev;
guid_t uuid;
- void *driver_data;
struct list_head next;
struct mdev_type *type;
bool active;
@@ -30,74 +29,6 @@ unsigned int mdev_get_type_group_id(struct mdev_device *mdev);
unsigned int mtype_get_type_group_id(struct mdev_type *mtype);
struct device *mtype_get_parent_dev(struct mdev_type *mtype);
-/**
- * struct mdev_parent_ops - Structure to be registered for each parent device to
- * register the device to mdev module.
- *
- * @owner: The module owner.
- * @device_driver: Which device driver to probe() on newly created devices
- * @dev_attr_groups: Attributes of the parent device.
- * @mdev_attr_groups: Attributes of the mediated device.
- * @supported_type_groups: Attributes to define supported types. It is mandatory
- * to provide supported types.
- * @create: Called to allocate basic resources in parent device's
- * driver for a particular mediated device. It is
- * mandatory to provide create ops.
- * @mdev: mdev_device structure on of mediated device
- * that is being created
- * Returns integer: success (0) or error (< 0)
- * @remove: Called to free resources in parent device's driver for
- * a mediated device. It is mandatory to provide 'remove'
- * ops.
- * @mdev: mdev_device device structure which is being
- * destroyed
- * Returns integer: success (0) or error (< 0)
- * @read: Read emulation callback
- * @mdev: mediated device structure
- * @buf: read buffer
- * @count: number of bytes to read
- * @ppos: address.
- * Retuns number on bytes read on success or error.
- * @write: Write emulation callback
- * @mdev: mediated device structure
- * @buf: write buffer
- * @count: number of bytes to be written
- * @ppos: address.
- * Retuns number on bytes written on success or error.
- * @ioctl: IOCTL callback
- * @mdev: mediated device structure
- * @cmd: ioctl command
- * @arg: arguments to ioctl
- * @mmap: mmap callback
- * @mdev: mediated device structure
- * @vma: vma structure
- * @request: request callback to release device
- * @mdev: mediated device structure
- * @count: request sequence number
- * Parent device that support mediated device should be registered with mdev
- * module with mdev_parent_ops structure.
- **/
-struct mdev_parent_ops {
- struct module *owner;
- struct mdev_driver *device_driver;
- const struct attribute_group **dev_attr_groups;
- const struct attribute_group **mdev_attr_groups;
- struct attribute_group **supported_type_groups;
-
- int (*create)(struct mdev_device *mdev);
- int (*remove)(struct mdev_device *mdev);
- int (*open_device)(struct mdev_device *mdev);
- void (*close_device)(struct mdev_device *mdev);
- ssize_t (*read)(struct mdev_device *mdev, char __user *buf,
- size_t count, loff_t *ppos);
- ssize_t (*write)(struct mdev_device *mdev, const char __user *buf,
- size_t count, loff_t *ppos);
- long (*ioctl)(struct mdev_device *mdev, unsigned int cmd,
- unsigned long arg);
- int (*mmap)(struct mdev_device *mdev, struct vm_area_struct *vma);
- void (*request)(struct mdev_device *mdev, unsigned int count);
-};
-
/* interface for exporting mdev supported type attributes */
struct mdev_type_attribute {
struct attribute attr;
@@ -122,23 +53,18 @@ struct mdev_type_attribute mdev_type_attr_##_name = \
* struct mdev_driver - Mediated device driver
* @probe: called when new device created
* @remove: called when device removed
+ * @supported_type_groups: Attributes to define supported types. It is mandatory
+ * to provide supported types.
* @driver: device driver structure
*
**/
struct mdev_driver {
int (*probe)(struct mdev_device *dev);
void (*remove)(struct mdev_device *dev);
+ struct attribute_group **supported_type_groups;
struct device_driver driver;
};
-static inline void *mdev_get_drvdata(struct mdev_device *mdev)
-{
- return mdev->driver_data;
-}
-static inline void mdev_set_drvdata(struct mdev_device *mdev, void *data)
-{
- mdev->driver_data = data;
-}
static inline const guid_t *mdev_uuid(struct mdev_device *mdev)
{
return &mdev->uuid;
@@ -146,7 +72,7 @@ static inline const guid_t *mdev_uuid(struct mdev_device *mdev)
extern struct bus_type mdev_bus_type;
-int mdev_register_device(struct device *dev, const struct mdev_parent_ops *ops);
+int mdev_register_device(struct device *dev, struct mdev_driver *mdev_driver);
void mdev_unregister_device(struct device *dev);
int mdev_register_driver(struct mdev_driver *drv);
diff --git a/include/linux/mei_aux.h b/include/linux/mei_aux.h
new file mode 100644
index 000000000000..587f25128848
--- /dev/null
+++ b/include/linux/mei_aux.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2022, Intel Corporation. All rights reserved.
+ */
+#ifndef _LINUX_MEI_AUX_H
+#define _LINUX_MEI_AUX_H
+
+#include <linux/auxiliary_bus.h>
+
+struct mei_aux_device {
+ struct auxiliary_device aux_dev;
+ int irq;
+ struct resource bar;
+};
+
+#define auxiliary_dev_to_mei_aux_dev(auxiliary_dev) \
+ container_of(auxiliary_dev, struct mei_aux_device, aux_dev)
+
+#endif /* _LINUX_MEI_AUX_H */
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index 37ded6b8fee6..3926e9027947 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -17,7 +17,6 @@
#include <linux/kcsan-checks.h>
#include <linux/lockdep.h>
#include <linux/mutex.h>
-#include <linux/ww_mutex.h>
#include <linux/preempt.h>
#include <linux/spinlock.h>
@@ -164,7 +163,7 @@ static inline void seqcount_lockdep_reader_access(const seqcount_t *s)
* static initializer or init function. This enables lockdep to validate
* that the write side critical section is properly serialized.
*
- * LOCKNAME: raw_spinlock, spinlock, rwlock, mutex, or ww_mutex.
+ * LOCKNAME: raw_spinlock, spinlock, rwlock or mutex
*/
/*
@@ -184,7 +183,6 @@ static inline void seqcount_lockdep_reader_access(const seqcount_t *s)
#define seqcount_spinlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, spinlock)
#define seqcount_rwlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, rwlock)
#define seqcount_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, mutex)
-#define seqcount_ww_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, ww_mutex)
/*
* SEQCOUNT_LOCKNAME() - Instantiate seqcount_LOCKNAME_t and helpers
@@ -277,7 +275,6 @@ SEQCOUNT_LOCKNAME(raw_spinlock, raw_spinlock_t, false, s->lock, raw_s
SEQCOUNT_LOCKNAME(spinlock, spinlock_t, __SEQ_RT, s->lock, spin, spin_lock(s->lock))
SEQCOUNT_LOCKNAME(rwlock, rwlock_t, __SEQ_RT, s->lock, read, read_lock(s->lock))
SEQCOUNT_LOCKNAME(mutex, struct mutex, true, s->lock, mutex, mutex_lock(s->lock))
-SEQCOUNT_LOCKNAME(ww_mutex, struct ww_mutex, true, &s->lock->base, ww_mutex, ww_mutex_lock(s->lock, NULL))
/*
* SEQCNT_LOCKNAME_ZERO - static initializer for seqcount_LOCKNAME_t
@@ -304,8 +301,7 @@ SEQCOUNT_LOCKNAME(ww_mutex, struct ww_mutex, true, &s->lock->base, ww_mu
__seqprop_case((s), raw_spinlock, prop), \
__seqprop_case((s), spinlock, prop), \
__seqprop_case((s), rwlock, prop), \
- __seqprop_case((s), mutex, prop), \
- __seqprop_case((s), ww_mutex, prop))
+ __seqprop_case((s), mutex, prop))
#define seqprop_ptr(s) __seqprop(s, ptr)
#define seqprop_sequence(s) __seqprop(s, sequence)
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 1d65c1fbc4ec..9a1d210d135d 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -1150,7 +1150,9 @@ struct drm_amdgpu_info_video_caps {
#define AMDGPU_FAMILY_RV 142 /* Raven */
#define AMDGPU_FAMILY_NV 143 /* Navi10 */
#define AMDGPU_FAMILY_VGH 144 /* Van Gogh */
+#define AMDGPU_FAMILY_GC_11_0_0 145 /* GC 11.0.0 */
#define AMDGPU_FAMILY_YC 146 /* Yellow Carp */
+#define AMDGPU_FAMILY_GC_11_0_1 148 /* GC 11.0.1 */
#define AMDGPU_FAMILY_GC_10_3_6 149 /* GC 10.3.6 */
#define AMDGPU_FAMILY_GC_10_3_7 151 /* GC 10.3.7 */
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index fc0c1454d275..f1972154a594 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -573,6 +573,53 @@ extern "C" {
#define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC fourcc_mod_code(INTEL, 8)
/*
+ * Intel Tile 4 layout
+ *
+ * This is a tiled layout using 4KB tiles in a row-major layout. It has the same
+ * shape as Tile Y at two granularities: 4KB (128B x 32) and 64B (16B x 4). It
+ * only differs from Tile Y at the 256B granularity in between. At this
+ * granularity, Tile Y has a shape of 16B x 32 rows, but this tiling has a shape
+ * of 64B x 8 rows.
+ */
+#define I915_FORMAT_MOD_4_TILED fourcc_mod_code(INTEL, 9)
+
+/*
+ * Intel color control surfaces (CCS) for DG2 render compression.
+ *
+ * The main surface is Tile 4 and at plane index 0. The CCS data is stored
+ * outside of the GEM object in a reserved memory area dedicated for the
+ * storage of the CCS data for all RC/RC_CC/MC compressible GEM objects. The
+ * main surface pitch is required to be a multiple of four Tile 4 widths.
+ */
+#define I915_FORMAT_MOD_4_TILED_DG2_RC_CCS fourcc_mod_code(INTEL, 10)
+
+/*
+ * Intel color control surfaces (CCS) for DG2 media compression.
+ *
+ * The main surface is Tile 4 and at plane index 0. For semi-planar formats
+ * like NV12, the Y and UV planes are Tile 4 and are located at plane indices
+ * 0 and 1, respectively. The CCS for all planes are stored outside of the
+ * GEM object in a reserved memory area dedicated for the storage of the
+ * CCS data for all RC/RC_CC/MC compressible GEM objects. The main surface
+ * pitch is required to be a multiple of four Tile 4 widths.
+ */
+#define I915_FORMAT_MOD_4_TILED_DG2_MC_CCS fourcc_mod_code(INTEL, 11)
+
+/*
+ * Intel Color Control Surface with Clear Color (CCS) for DG2 render compression.
+ *
+ * The main surface is Tile 4 and at plane index 0. The CCS data is stored
+ * outside of the GEM object in a reserved memory area dedicated for the
+ * storage of the CCS data for all RC/RC_CC/MC compressible GEM objects. The
+ * main surface pitch is required to be a multiple of four Tile 4 widths. The
+ * clear color is stored at plane index 1 and the pitch should be ignored. The
+ * format of the 256 bits of clear color data matches the one used for the
+ * I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC modifier, see its description
+ * for details.
+ */
+#define I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC fourcc_mod_code(INTEL, 12)
+
+/*
* Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
*
* Macroblocks are laid in a Z-shape, and each pixel data is following the
@@ -609,6 +656,28 @@ extern "C" {
*/
#define DRM_FORMAT_MOD_QCOM_COMPRESSED fourcc_mod_code(QCOM, 1)
+/*
+ * Qualcomm Tiled Format
+ *
+ * Similar to DRM_FORMAT_MOD_QCOM_COMPRESSED but not compressed.
+ * Implementation may be platform and base-format specific.
+ *
+ * Each macrotile consists of m x n (mostly 4 x 4) tiles.
+ * Pixel data pitch/stride is aligned with macrotile width.
+ * Pixel data height is aligned with macrotile height.
+ * Entire pixel data buffer is aligned with 4k(bytes).
+ */
+#define DRM_FORMAT_MOD_QCOM_TILED3 fourcc_mod_code(QCOM, 3)
+
+/*
+ * Qualcomm Alternate Tiled Format
+ *
+ * Alternate tiled format typically only used within GMEM.
+ * Implementation may be platform and base-format specific.
+ */
+#define DRM_FORMAT_MOD_QCOM_TILED2 fourcc_mod_code(QCOM, 2)
+
+
/* Vivante framebuffer modifiers */
/*
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index 05c3642aaece..a2def7b27009 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -154,25 +154,77 @@ enum i915_mocs_table_index {
I915_MOCS_CACHED,
};
-/*
+/**
+ * enum drm_i915_gem_engine_class - uapi engine type enumeration
+ *
* Different engines serve different roles, and there may be more than one
- * engine serving each role. enum drm_i915_gem_engine_class provides a
- * classification of the role of the engine, which may be used when requesting
- * operations to be performed on a certain subset of engines, or for providing
- * information about that group.
+ * engine serving each role. This enum provides a classification of the role
+ * of the engine, which may be used when requesting operations to be performed
+ * on a certain subset of engines, or for providing information about that
+ * group.
*/
enum drm_i915_gem_engine_class {
+ /**
+ * @I915_ENGINE_CLASS_RENDER:
+ *
+ * Render engines support instructions used for 3D, Compute (GPGPU),
+ * and programmable media workloads. These instructions fetch data and
+ * dispatch individual work items to threads that operate in parallel.
+ * The threads run small programs (called "kernels" or "shaders") on
+ * the GPU's execution units (EUs).
+ */
I915_ENGINE_CLASS_RENDER = 0,
+
+ /**
+ * @I915_ENGINE_CLASS_COPY:
+ *
+ * Copy engines (also referred to as "blitters") support instructions
+ * that move blocks of data from one location in memory to another,
+ * or that fill a specified location of memory with fixed data.
+ * Copy engines can perform pre-defined logical or bitwise operations
+ * on the source, destination, or pattern data.
+ */
I915_ENGINE_CLASS_COPY = 1,
+
+ /**
+ * @I915_ENGINE_CLASS_VIDEO:
+ *
+ * Video engines (also referred to as "bit stream decode" (BSD) or
+ * "vdbox") support instructions that perform fixed-function media
+ * decode and encode.
+ */
I915_ENGINE_CLASS_VIDEO = 2,
+
+ /**
+ * @I915_ENGINE_CLASS_VIDEO_ENHANCE:
+ *
+ * Video enhancement engines (also referred to as "vebox") support
+ * instructions related to image enhancement.
+ */
I915_ENGINE_CLASS_VIDEO_ENHANCE = 3,
- /* should be kept compact */
+ /**
+ * @I915_ENGINE_CLASS_COMPUTE:
+ *
+ * Compute engines support a subset of the instructions available
+ * on render engines: compute engines support Compute (GPGPU) and
+ * programmable media workloads, but do not support the 3D pipeline.
+ */
+ I915_ENGINE_CLASS_COMPUTE = 4,
+
+ /* Values in this enum should be kept compact. */
+ /**
+ * @I915_ENGINE_CLASS_INVALID:
+ *
+ * Placeholder value to represent an invalid engine class assignment.
+ */
I915_ENGINE_CLASS_INVALID = -1
};
-/*
+/**
+ * struct i915_engine_class_instance - Engine class/instance identifier
+ *
* There may be more than one engine fulfilling any role within the system.
* Each engine of a class is given a unique instance number and therefore
* any engine can be specified by its class:instance tuplet. APIs that allow
@@ -180,10 +232,21 @@ enum drm_i915_gem_engine_class {
* for this identification.
*/
struct i915_engine_class_instance {
- __u16 engine_class; /* see enum drm_i915_gem_engine_class */
- __u16 engine_instance;
+ /**
+ * @engine_class:
+ *
+ * Engine class from enum drm_i915_gem_engine_class
+ */
+ __u16 engine_class;
#define I915_ENGINE_CLASS_INVALID_NONE -1
#define I915_ENGINE_CLASS_INVALID_VIRTUAL -2
+
+ /**
+ * @engine_instance:
+ *
+ * Engine instance.
+ */
+ __u16 engine_instance;
};
/**
@@ -2657,24 +2720,65 @@ enum drm_i915_perf_record_type {
DRM_I915_PERF_RECORD_MAX /* non-ABI */
};
-/*
+/**
+ * struct drm_i915_perf_oa_config
+ *
* Structure to upload perf dynamic configuration into the kernel.
*/
struct drm_i915_perf_oa_config {
- /** String formatted like "%08x-%04x-%04x-%04x-%012x" */
+ /**
+ * @uuid:
+ *
+ * String formatted like "%\08x-%\04x-%\04x-%\04x-%\012x"
+ */
char uuid[36];
+ /**
+ * @n_mux_regs:
+ *
+ * Number of mux regs in &mux_regs_ptr.
+ */
__u32 n_mux_regs;
+
+ /**
+ * @n_boolean_regs:
+ *
+ * Number of boolean regs in &boolean_regs_ptr.
+ */
__u32 n_boolean_regs;
+
+ /**
+ * @n_flex_regs:
+ *
+ * Number of flex regs in &flex_regs_ptr.
+ */
__u32 n_flex_regs;
- /*
- * These fields are pointers to tuples of u32 values (register address,
- * value). For example the expected length of the buffer pointed by
- * mux_regs_ptr is (2 * sizeof(u32) * n_mux_regs).
+ /**
+ * @mux_regs_ptr:
+ *
+ * Pointer to tuples of u32 values (register address, value) for mux
+ * registers. Expected length of buffer is (2 * sizeof(u32) *
+ * &n_mux_regs).
*/
__u64 mux_regs_ptr;
+
+ /**
+ * @boolean_regs_ptr:
+ *
+ * Pointer to tuples of u32 values (register address, value) for mux
+ * registers. Expected length of buffer is (2 * sizeof(u32) *
+ * &n_boolean_regs).
+ */
__u64 boolean_regs_ptr;
+
+ /**
+ * @flex_regs_ptr:
+ *
+ * Pointer to tuples of u32 values (register address, value) for mux
+ * registers. Expected length of buffer is (2 * sizeof(u32) *
+ * &n_flex_regs).
+ */
__u64 flex_regs_ptr;
};
@@ -2685,12 +2789,24 @@ struct drm_i915_perf_oa_config {
* @data_ptr is also depends on the specific @query_id.
*/
struct drm_i915_query_item {
- /** @query_id: The id for this query */
+ /**
+ * @query_id:
+ *
+ * The id for this query. Currently accepted query IDs are:
+ * - %DRM_I915_QUERY_TOPOLOGY_INFO (see struct drm_i915_query_topology_info)
+ * - %DRM_I915_QUERY_ENGINE_INFO (see struct drm_i915_engine_info)
+ * - %DRM_I915_QUERY_PERF_CONFIG (see struct drm_i915_query_perf_config)
+ * - %DRM_I915_QUERY_MEMORY_REGIONS (see struct drm_i915_query_memory_regions)
+ * - %DRM_I915_QUERY_HWCONFIG_BLOB (see `GuC HWCONFIG blob uAPI`)
+ * - %DRM_I915_QUERY_GEOMETRY_SUBSLICES (see struct drm_i915_query_topology_info)
+ */
__u64 query_id;
-#define DRM_I915_QUERY_TOPOLOGY_INFO 1
-#define DRM_I915_QUERY_ENGINE_INFO 2
-#define DRM_I915_QUERY_PERF_CONFIG 3
-#define DRM_I915_QUERY_MEMORY_REGIONS 4
+#define DRM_I915_QUERY_TOPOLOGY_INFO 1
+#define DRM_I915_QUERY_ENGINE_INFO 2
+#define DRM_I915_QUERY_PERF_CONFIG 3
+#define DRM_I915_QUERY_MEMORY_REGIONS 4
+#define DRM_I915_QUERY_HWCONFIG_BLOB 5
+#define DRM_I915_QUERY_GEOMETRY_SUBSLICES 6
/* Must be kept compact -- no holes and well documented */
/**
@@ -2706,14 +2822,17 @@ struct drm_i915_query_item {
/**
* @flags:
*
- * When query_id == DRM_I915_QUERY_TOPOLOGY_INFO, must be 0.
+ * When &query_id == %DRM_I915_QUERY_TOPOLOGY_INFO, must be 0.
*
- * When query_id == DRM_I915_QUERY_PERF_CONFIG, must be one of the
+ * When &query_id == %DRM_I915_QUERY_PERF_CONFIG, must be one of the
* following:
*
- * - DRM_I915_QUERY_PERF_CONFIG_LIST
- * - DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID
- * - DRM_I915_QUERY_PERF_CONFIG_FOR_UUID
+ * - %DRM_I915_QUERY_PERF_CONFIG_LIST
+ * - %DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID
+ * - %DRM_I915_QUERY_PERF_CONFIG_FOR_UUID
+ *
+ * When &query_id == %DRM_I915_QUERY_GEOMETRY_SUBSLICES must contain
+ * a struct i915_engine_class_instance that references a render engine.
*/
__u32 flags;
#define DRM_I915_QUERY_PERF_CONFIG_LIST 1
@@ -2771,66 +2890,112 @@ struct drm_i915_query {
__u64 items_ptr;
};
-/*
- * Data written by the kernel with query DRM_I915_QUERY_TOPOLOGY_INFO :
- *
- * data: contains the 3 pieces of information :
- *
- * - the slice mask with one bit per slice telling whether a slice is
- * available. The availability of slice X can be queried with the following
- * formula :
- *
- * (data[X / 8] >> (X % 8)) & 1
- *
- * - the subslice mask for each slice with one bit per subslice telling
- * whether a subslice is available. Gen12 has dual-subslices, which are
- * similar to two gen11 subslices. For gen12, this array represents dual-
- * subslices. The availability of subslice Y in slice X can be queried
- * with the following formula :
- *
- * (data[subslice_offset +
- * X * subslice_stride +
- * Y / 8] >> (Y % 8)) & 1
- *
- * - the EU mask for each subslice in each slice with one bit per EU telling
- * whether an EU is available. The availability of EU Z in subslice Y in
- * slice X can be queried with the following formula :
+/**
+ * struct drm_i915_query_topology_info
*
- * (data[eu_offset +
- * (X * max_subslices + Y) * eu_stride +
- * Z / 8] >> (Z % 8)) & 1
+ * Describes slice/subslice/EU information queried by
+ * %DRM_I915_QUERY_TOPOLOGY_INFO
*/
struct drm_i915_query_topology_info {
- /*
+ /**
+ * @flags:
+ *
* Unused for now. Must be cleared to zero.
*/
__u16 flags;
+ /**
+ * @max_slices:
+ *
+ * The number of bits used to express the slice mask.
+ */
__u16 max_slices;
+
+ /**
+ * @max_subslices:
+ *
+ * The number of bits used to express the subslice mask.
+ */
__u16 max_subslices;
+
+ /**
+ * @max_eus_per_subslice:
+ *
+ * The number of bits in the EU mask that correspond to a single
+ * subslice's EUs.
+ */
__u16 max_eus_per_subslice;
- /*
+ /**
+ * @subslice_offset:
+ *
* Offset in data[] at which the subslice masks are stored.
*/
__u16 subslice_offset;
- /*
+ /**
+ * @subslice_stride:
+ *
* Stride at which each of the subslice masks for each slice are
* stored.
*/
__u16 subslice_stride;
- /*
+ /**
+ * @eu_offset:
+ *
* Offset in data[] at which the EU masks are stored.
*/
__u16 eu_offset;
- /*
+ /**
+ * @eu_stride:
+ *
* Stride at which each of the EU masks for each subslice are stored.
*/
__u16 eu_stride;
+ /**
+ * @data:
+ *
+ * Contains 3 pieces of information :
+ *
+ * - The slice mask with one bit per slice telling whether a slice is
+ * available. The availability of slice X can be queried with the
+ * following formula :
+ *
+ * .. code:: c
+ *
+ * (data[X / 8] >> (X % 8)) & 1
+ *
+ * Starting with Xe_HP platforms, Intel hardware no longer has
+ * traditional slices so i915 will always report a single slice
+ * (hardcoded slicemask = 0x1) which contains all of the platform's
+ * subslices. I.e., the mask here does not reflect any of the newer
+ * hardware concepts such as "gslices" or "cslices" since userspace
+ * is capable of inferring those from the subslice mask.
+ *
+ * - The subslice mask for each slice with one bit per subslice telling
+ * whether a subslice is available. Starting with Gen12 we use the
+ * term "subslice" to refer to what the hardware documentation
+ * describes as a "dual-subslices." The availability of subslice Y
+ * in slice X can be queried with the following formula :
+ *
+ * .. code:: c
+ *
+ * (data[subslice_offset + X * subslice_stride + Y / 8] >> (Y % 8)) & 1
+ *
+ * - The EU mask for each subslice in each slice, with one bit per EU
+ * telling whether an EU is available. The availability of EU Z in
+ * subslice Y in slice X can be queried with the following formula :
+ *
+ * .. code:: c
+ *
+ * (data[eu_offset +
+ * (X * max_subslices + Y) * eu_stride +
+ * Z / 8
+ * ] >> (Z % 8)) & 1
+ */
__u8 data[];
};
@@ -2951,52 +3116,68 @@ struct drm_i915_query_engine_info {
struct drm_i915_engine_info engines[];
};
-/*
- * Data written by the kernel with query DRM_I915_QUERY_PERF_CONFIG.
+/**
+ * struct drm_i915_query_perf_config
+ *
+ * Data written by the kernel with query %DRM_I915_QUERY_PERF_CONFIG and
+ * %DRM_I915_QUERY_GEOMETRY_SUBSLICES.
*/
struct drm_i915_query_perf_config {
union {
- /*
- * When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_LIST, i915 sets
- * this fields to the number of configurations available.
+ /**
+ * @n_configs:
+ *
+ * When &drm_i915_query_item.flags ==
+ * %DRM_I915_QUERY_PERF_CONFIG_LIST, i915 sets this fields to
+ * the number of configurations available.
*/
__u64 n_configs;
- /*
- * When query_id == DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_ID,
- * i915 will use the value in this field as configuration
- * identifier to decide what data to write into config_ptr.
+ /**
+ * @config:
+ *
+ * When &drm_i915_query_item.flags ==
+ * %DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_ID, i915 will use the
+ * value in this field as configuration identifier to decide
+ * what data to write into config_ptr.
*/
__u64 config;
- /*
- * When query_id == DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID,
- * i915 will use the value in this field as configuration
- * identifier to decide what data to write into config_ptr.
+ /**
+ * @uuid:
+ *
+ * When &drm_i915_query_item.flags ==
+ * %DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID, i915 will use the
+ * value in this field as configuration identifier to decide
+ * what data to write into config_ptr.
*
* String formatted like "%08x-%04x-%04x-%04x-%012x"
*/
char uuid[36];
};
- /*
+ /**
+ * @flags:
+ *
* Unused for now. Must be cleared to zero.
*/
__u32 flags;
- /*
- * When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_LIST, i915 will
- * write an array of __u64 of configuration identifiers.
+ /**
+ * @data:
*
- * When query_item.flags == DRM_I915_QUERY_PERF_CONFIG_DATA, i915 will
- * write a struct drm_i915_perf_oa_config. If the following fields of
- * drm_i915_perf_oa_config are set not set to 0, i915 will write into
- * the associated pointers the values of submitted when the
+ * When &drm_i915_query_item.flags == %DRM_I915_QUERY_PERF_CONFIG_LIST,
+ * i915 will write an array of __u64 of configuration identifiers.
+ *
+ * When &drm_i915_query_item.flags == %DRM_I915_QUERY_PERF_CONFIG_DATA,
+ * i915 will write a struct drm_i915_perf_oa_config. If the following
+ * fields of struct drm_i915_perf_oa_config are not set to 0, i915 will
+ * write into the associated pointers the values of submitted when the
* configuration was created :
*
- * - n_mux_regs
- * - n_boolean_regs
- * - n_flex_regs
+ * - &drm_i915_perf_oa_config.n_mux_regs
+ * - &drm_i915_perf_oa_config.n_boolean_regs
+ * - &drm_i915_perf_oa_config.n_flex_regs
*/
__u8 data[];
};
@@ -3135,6 +3316,16 @@ struct drm_i915_query_memory_regions {
};
/**
+ * DOC: GuC HWCONFIG blob uAPI
+ *
+ * The GuC produces a blob with information about the current device.
+ * i915 reads this blob from GuC and makes it available via this uAPI.
+ *
+ * The format and meaning of the blob content are documented in the
+ * Programmer's Reference Manual.
+ */
+
+/**
* struct drm_i915_gem_create_ext - Existing gem_create behaviour, with added
* extension support using struct i915_user_extension.
*
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h
index 07efc8033492..3c7b097c4e3d 100644
--- a/include/uapi/drm/msm_drm.h
+++ b/include/uapi/drm/msm_drm.h
@@ -82,6 +82,10 @@ struct drm_msm_timespec {
#define MSM_PARAM_FAULTS 0x09 /* RO */
#define MSM_PARAM_SUSPENDS 0x0a /* RO */
#define MSM_PARAM_SYSPROF 0x0b /* WO: 1 preserves perfcntrs, 2 also disables suspend */
+#define MSM_PARAM_COMM 0x0c /* WO: override for task->comm */
+#define MSM_PARAM_CMDLINE 0x0d /* WO: override for task cmdline */
+#define MSM_PARAM_VA_START 0x0e /* RO: start of valid GPU iova range */
+#define MSM_PARAM_VA_SIZE 0x0f /* RO: size of valid GPU iova range (bytes) */
/* For backwards compat. The original support for preemption was based on
* a single ring per priority level so # of priority levels equals the #
@@ -95,6 +99,8 @@ struct drm_msm_param {
__u32 pipe; /* in, MSM_PIPE_x */
__u32 param; /* in, MSM_PARAM_x */
__u64 value; /* out (get_param) or in (set_param) */
+ __u32 len; /* zero for non-pointer params */
+ __u32 pad; /* must be zero */
};
/*
@@ -131,6 +137,7 @@ struct drm_msm_gem_new {
#define MSM_INFO_GET_IOVA 0x01 /* get iova, returned by value */
#define MSM_INFO_SET_NAME 0x02 /* set the debug name (by pointer) */
#define MSM_INFO_GET_NAME 0x03 /* get debug name, returned by pointer */
+#define MSM_INFO_SET_IOVA 0x04 /* set the iova, passed by value */
struct drm_msm_gem_info {
__u32 handle; /* in */
diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h
index 8277644c1144..26549c86a91f 100644
--- a/include/uapi/drm/vmwgfx_drm.h
+++ b/include/uapi/drm/vmwgfx_drm.h
@@ -1,6 +1,6 @@
/**************************************************************************
*
- * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
+ * Copyright © 2009-2022 VMware, Inc., Palo Alto, CA., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -92,6 +92,12 @@ extern "C" {
*
* DRM_VMW_PARAM_SM5
* SM5 support is enabled.
+ *
+ * DRM_VMW_PARAM_GL43
+ * SM5.1+GL4.3 support is enabled.
+ *
+ * DRM_VMW_PARAM_DEVICE_ID
+ * PCI ID of the underlying SVGA device.
*/
#define DRM_VMW_PARAM_NUM_STREAMS 0
@@ -111,6 +117,7 @@ extern "C" {
#define DRM_VMW_PARAM_SM4_1 14
#define DRM_VMW_PARAM_SM5 15
#define DRM_VMW_PARAM_GL43 16
+#define DRM_VMW_PARAM_DEVICE_ID 17
/**
* enum drm_vmw_handle_type - handle type for ref ioctls