From 047de3f17a8321065c32ee3f6272a6dba16d6bcf Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 9 May 2022 09:47:12 +0200 Subject: drm/amdgpu: switch DM to atomic fence helpers v2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This gives us the standard atomic implicit and explicit fencing rules. v2: move the wait to amdgpu_dm_atomic_commit_tail Signed-off-by: Christian König Reviewed-by: Daniel Vetter Cc: Harry Wentland Cc: Nicholas Kazlauskas Cc: Roman Li Cc: Qingqing Zhuo Cc: Jude Shih Cc: Wayne Lin Cc: Rodrigo Siqueira Link: https://patchwork.freedesktop.org/patch/msgid/20220509074712.163899-1-christian.koenig@amd.com --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) (limited to 'drivers/gpu/drm/amd/display') diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index a6880dd9c0bb..f9ce8cb45e6d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -83,6 +83,7 @@ #include #include #include +#include #if defined(CONFIG_DRM_AMD_DC_DCN) #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" @@ -7627,6 +7628,10 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane, goto error_unpin; } + r = drm_gem_plane_helper_prepare_fb(plane, new_state); + if (unlikely(r != 0)) + goto error_unpin; + amdgpu_bo_unreserve(rbo); afb->address = amdgpu_bo_gpu_offset(rbo); @@ -9160,7 +9165,6 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc)); int planes_count = 0, vpos, hpos; - long r; unsigned long flags; struct amdgpu_bo *abo; uint32_t target_vblank, last_flip_vblank; @@ -9235,18 +9239,6 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, } abo = gem_to_amdgpu_bo(fb->obj[0]); - - /* - * Wait for all fences on this FB. Do limited wait to avoid - * deadlock during GPU reset when this fence will not signal - * but we hold reservation lock for the BO. - */ - r = dma_resv_wait_timeout(abo->tbo.base.resv, - DMA_RESV_USAGE_WRITE, false, - msecs_to_jiffies(5000)); - if (unlikely(r <= 0)) - DRM_ERROR("Waiting for fences timed out!"); - fill_dc_plane_info_and_addr( dm->adev, new_plane_state, afb->tiling_flags, @@ -9591,9 +9583,14 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; int crtc_disable_count = 0; bool mode_set_reset_required = false; + int r; trace_amdgpu_dm_atomic_commit_tail_begin(state); + r = drm_atomic_helper_wait_for_fences(dev, state, false); + if (unlikely(r)) + DRM_ERROR("Waiting for fences timed out!"); + drm_atomic_helper_update_legacy_modeset_state(dev, state); dm_state = dm_atomic_get_new_state(state); -- cgit v1.2.3 From 4cd79f614b501e496ee8e4181d528c0cc1cb4e18 Mon Sep 17 00:00:00 2001 From: Bhanuprakash Modem Date: Thu, 19 May 2022 15:21:49 +0530 Subject: drm/amd/display: Move connector debugfs to drm As drm_connector already have the display_info, instead of creating "output_bpc" debugfs in vendor specific driver, move the logic to the drm layer. This patch will also move "Current" bpc to the crtc debugfs from connector debugfs, since we are getting this info from crtc_state. Cc: Harry Wentland Cc: Rodrigo Siqueira Signed-off-by: Bhanuprakash Modem Reported-by: kernel test robot Reviewed-by: Arun R Murthy Reviewed-by: Harry Wentland Acked-by: Harry Wentland Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20220519095149.3560034-4-bhanuprakash.modem@intel.com --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 --- .../drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 38 ++++++++-------------- .../drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h | 2 -- 3 files changed, 13 insertions(+), 31 deletions(-) (limited to 'drivers/gpu/drm/amd/display') diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index f9ce8cb45e6d..dae0b772865c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6617,14 +6617,12 @@ dm_crtc_duplicate_state(struct drm_crtc *crtc) return &state->base; } -#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY static int amdgpu_dm_crtc_late_register(struct drm_crtc *crtc) { crtc_debugfs_init(crtc); return 0; } -#endif static inline int dm_set_vupdate_irq(struct drm_crtc *crtc, bool enable) { @@ -6722,9 +6720,7 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = { .enable_vblank = dm_enable_vblank, .disable_vblank = dm_disable_vblank, .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp, -#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) .late_register = amdgpu_dm_crtc_late_register, -#endif }; static enum drm_connector_status diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 188039f14544..78f3974ef7b8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -873,28 +873,18 @@ static int psr_capability_show(struct seq_file *m, void *data) } /* - * Returns the current and maximum output bpc for the connector. - * Example usage: cat /sys/kernel/debug/dri/0/DP-1/output_bpc + * Returns the current bpc for the crtc. + * Example usage: cat /sys/kernel/debug/dri/0/crtc-0/amdgpu_current_bpc */ -static int output_bpc_show(struct seq_file *m, void *data) +static int amdgpu_current_bpc_show(struct seq_file *m, void *data) { - struct drm_connector *connector = m->private; - struct drm_device *dev = connector->dev; - struct drm_crtc *crtc = NULL; + struct drm_crtc *crtc = m->private; + struct drm_device *dev = crtc->dev; struct dm_crtc_state *dm_crtc_state = NULL; int res = -ENODEV; unsigned int bpc; mutex_lock(&dev->mode_config.mutex); - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - - if (connector->state == NULL) - goto unlock; - - crtc = connector->state->crtc; - if (crtc == NULL) - goto unlock; - drm_modeset_lock(&crtc->mutex, NULL); if (crtc->state == NULL) goto unlock; @@ -924,18 +914,15 @@ static int output_bpc_show(struct seq_file *m, void *data) } seq_printf(m, "Current: %u\n", bpc); - seq_printf(m, "Maximum: %u\n", connector->display_info.bpc); res = 0; unlock: - if (crtc) - drm_modeset_unlock(&crtc->mutex); - - drm_modeset_unlock(&dev->mode_config.connection_mutex); + drm_modeset_unlock(&crtc->mutex); mutex_unlock(&dev->mode_config.mutex); return res; } +DEFINE_SHOW_ATTRIBUTE(amdgpu_current_bpc); /* * Example usage: @@ -2541,7 +2528,6 @@ static int target_backlight_show(struct seq_file *m, void *unused) DEFINE_SHOW_ATTRIBUTE(dp_dsc_fec_support); DEFINE_SHOW_ATTRIBUTE(dmub_fw_state); DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer); -DEFINE_SHOW_ATTRIBUTE(output_bpc); DEFINE_SHOW_ATTRIBUTE(dp_lttpr_status); #ifdef CONFIG_DRM_AMD_DC_HDCP DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability); @@ -2788,7 +2774,6 @@ static const struct { const struct file_operations *fops; } connector_debugfs_entries[] = { {"force_yuv420_output", &force_yuv420_output_fops}, - {"output_bpc", &output_bpc_fops}, {"trigger_hotplug", &trigger_hotplug_debugfs_fops}, {"internal_display", &internal_display_fops} }; @@ -3172,9 +3157,10 @@ static int crc_win_update_get(void *data, u64 *val) DEFINE_DEBUGFS_ATTRIBUTE(crc_win_update_fops, crc_win_update_get, crc_win_update_set, "%llu\n"); - +#endif void crtc_debugfs_init(struct drm_crtc *crtc) { +#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY struct dentry *dir = debugfs_lookup("crc", crtc->debugfs_entry); if (!dir) @@ -3190,9 +3176,11 @@ void crtc_debugfs_init(struct drm_crtc *crtc) &crc_win_y_end_fops); debugfs_create_file_unsafe("crc_win_update", 0644, dir, crtc, &crc_win_update_fops); - -} #endif + debugfs_create_file("amdgpu_current_bpc", 0644, crtc->debugfs_entry, + crtc, &amdgpu_current_bpc_fops); +} + /* * Writes DTN log state to the user supplied buffer. * Example usage: cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h index 3366cb644053..071200473c27 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h @@ -31,8 +31,6 @@ void connector_debugfs_init(struct amdgpu_dm_connector *connector); void dtn_debugfs_init(struct amdgpu_device *adev); -#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) void crtc_debugfs_init(struct drm_crtc *crtc); -#endif #endif -- cgit v1.2.3