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2019-08-27Merge tag 'drm-misc-next-2019-08-23' of ↵Dave Airlie4-41/+77
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for 5.4: UAPI Changes: Cross-subsystem Changes: Core Changes: - dma-buf: dma-fence selftests Driver Changes: - kirin: Various cleanups and reworks - komeda: Add support for DT memory-regions - meson: Rely on the compatible to detect vpu features - omap: Implement alpha and pixel blend mode properties - panfrost: Implement per-fd address spaces, various fixes - rockchip: DSI DT binding rework - fbdev: Various cleanups Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190823083509.c7mduqdqjnxc7ubb@flea
2019-08-23drm/nouveau/volt: Fix for some cards having 0 maximum voltageMark Menzynski1-0/+2
Some, mostly Fermi, vbioses appear to have zero max voltage. That causes Nouveau to not parse voltage entries, thus users not being able to set higher clocks. When changing this value Nvidia driver still appeared to ignore it, and I wasn't able to find out why, thus the code is ignoring the value if it is zero. CC: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Mark Menzynski <mmenzyns@redhat.com> Reviewed-by: Karol Herbst <kherbst@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/dispnv50: Fix runtime PM ref tracking for non-blocking modesetsLyude Paul2-24/+17
This is something that got noticed a while ago back when I was fixing a large number of runtime PM related issues in nouveau, but never got fixed: https://patchwork.freedesktop.org/series/46815/#rev7 It's not safe to iterate the entire list of CRTCs in nv50_disp_atomic_commit(), as we could be doing a non-blocking modeset on one CRTC in parallel with one or more other CRTCs. Likewise, this means it's also not safe to do so in order to track runtime PM state. While this code is certainly wrong, so far the only issues I've seen this cause in the wild is the occasional PM ref unbalance after an atomic check failure + module reloading (since the PCI device will outlive nouveau in such scenarios). So, do this far more elegantly: grab a runtime PM ref across the modeset and commit tail, then grab/put references for each CRTC enable/disable. This also ends up being much simpler then the previous broken solution we had. Finally, since we've removed all it's users: get rid of nouveau_drm->have_disp_power_ref. Signed-off-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/dispnv04: Remove runtime PMLyude Paul1-50/+1
Originally when trying to fix the issue of runtime PM references with non-blocking CRTCs on nv50, I ended up stumbling on this code when trying to remove nouveau_drm->have_disp_power_ref, and attempted to fix it to remove the dependency on have_disp_power_ref. However, Ilia Mirkin pointed out that this code is actually completely useless, as pre-nv50 never had runtime PM support in the first place! Go figure. So, since it's useless just get rid of it. Note that since the only thing nouveau_crtc_set_config() was doing was grabbing a runtime PM ref, calling drm_crtc_helper_set_config() then dropping the ref; we can just remove the function entirely and just call drm_crtc_helper_set_config() directly. Signed-off-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/gpio: check function 76 in the power check as wellMark Menzynski2-0/+2
Added GPIO is "Power Alert". It's uncertain if this GPIO is set on GPU initialization or only if a change is detected by the GPU at runtime. This GPIO can be found on Tesla and sometimes on Fermi GPUs. Untested, wrote according to documentation. Signed-off-by: Mark Menzynski <mmenzyns@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/gpio: check the gpio function 16 in the power check as wellMark Menzynski2-0/+2
Added GPIO is "Thermal and External Power Detect". It's uncertain if this GPIO is set on GPU initialization or only if a change is detected by the GPU at runtime. This GPIO can be found in Rankine and Curie and rarely on Tesla GPUs VBIOS. Untested, wrote according to documentation. Signed-off-by: Mark Menzynski <mmenzyns@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/gpio: fail if gpu external power is missingMark Menzynski2-0/+31
Currently, nouveau doesn't check if GPU is missing power. This patch makes nouveau fail when this happens on latest GPUs. It checks GPIO function 121 (External Power Emergency), which should detect power problems on GPU initialization. This can be disabled with nouveau.config=NvPowerChecks=1 Tested on TU104, GP106 and GF100. v3: * Add config override for disabling power checks Signed-off-by: Mark Menzynski <mmenzyns@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/bios/gpio: sort gpios by valuesMark Menzynski1-1/+1
One gpio was in wrong place, moved it for better readability. Signed-off-by: Mark Menzynski <mmenzyns@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/therm: don't attempt fan control where PMU is already managing itBen Skeggs3-3/+23
There's already a condition in place which attempts to detect this, but since we've begun to require a PMU subdev even on boards where we don't load a custom FW, it's become inaccurate. This will prevent unnecessarily running a periodic fan update thread on GP100 and newer, where we don't yet override the default PMU FW. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/therm: skip probing for devices not specified in thermal tablesBen Skeggs3-0/+18
Saves some time during driver load, as described by the relevant section[1] of the DCB 4.x specification. [1] https://nvidia.github.io/open-gpu-doc/DCB/DCB-4.x-Specification.html#_i2c_device_table Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/gv100-: attach pixel blend mode property to planesBen Skeggs3-1/+28
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/gv100-: attach alpha property to planesBen Skeggs3-1/+7
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/gv100-: add support for plane zpos propertyBen Skeggs5-12/+40
Has a nice side-effect that we only update HW for this when it changes now, rather than every time we do a page flip. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/nv50-: attach immutable zpos property to planesBen Skeggs2-0/+18
Defaulting to the fixed layout enforced in HW by EVO, and that we currently use by default on NVD. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/nv50-: create primary plane before overlay planesBen Skeggs1-7/+7
zpos normalisation uses plane id to determine ordering for duplicate zpos values, and we likely want to keep primary plane on the bottom here. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/nv50-: use __drm_atomic_helper_plane_reset()Ben Skeggs1-3/+2
We have some of this open-coded already, use the helper to prevent problems when adding (for example) support for the alpha property. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/gv100-: implement csc + enable modern colour managment ↵Ben Skeggs5-7/+99
properties Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/gv100-: use premultiplied alpha blending between planesBen Skeggs1-3/+3
This is apparently the assumed default behaviour when blend properties are absent. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/nv50-: enable modern color management propertiesIlia Mirkin1-0/+5
For GF119:GV100, we can enable DEGAMMA/CTM/GAMMA. For earlier GPUs, as there is no CTM, having both degamma and gamma is a bit pointless. Later GPUs currently lack an implementation. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/gf119-: add ctm property supportIlia Mirkin4-0/+89
This adds support on GF119:GV100 (exclusive) for CTM (aka CSC). Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
2019-08-23drm/nouveau/kms/nv50-: remove overlay alpha formatsIlia Mirkin4-14/+0
The overlay logic can only do colorkey-based selection, not alpha-blending. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/fifo/gk104-: fix parsing of mmu fault dataBen Skeggs10-26/+67
Pascal was particularly incorrect, as the register changed to be more in the same format as the MMU fault buffers are. Shouldn't have impacted much more than confusing MMU fault log messages. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/fifo/gf1xx: convert to using nvkm_fault_dataBen Skeggs3-86/+106
Would like to be able to reuse gf100_fifo_intr_fault() for (some of) the later chipsets too, as it's identical. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/bios/init: handle INIT_RESET_END devinit opcodeRhys Kidd1-1/+12
Signal that the reset sequence has completed. This opcode signals that the software reset sequence has completed. Ordinarily, no actual operations are performed by the opcode. However it allows for possible software work arounds by devinit engines in software agents other than the VBIOS, such as the resman, FCODE, and EFI driver. Signed-off-by: Rhys Kidd <rhyskidd@gmail.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/bios/init: handle INIT_RESET_BEGUN devinit opcodeRhys Kidd1-1/+12
Signal that the reset sequence has begun. This opcode signals that the software reset sequence has begun. Ordinarily, no actual operations are performed by the opcode. However it allows for possible software work arounds by devinit engines in software agents other than the VBIOS, such as the resman, FCODE, and EFI driver. Signed-off-by: Rhys Kidd <rhyskidd@gmail.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/bios: downgrade absence of tmds table to info from an errorRhys Kidd1-1/+1
Absence of a TMDS Info Table is common on Optimus setups where the NVIDIA gpu is not connected directly to any outputs. Reporting an error in this scenario is too harsh. Accordingly, change the error message to an info message. By default the error message also causes a boot flicker for these sytems. Signed-off-by: Rhys Kidd <rhyskidd@gmail.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau: Disable atomic support on a per-device basisVille Syrjälä1-1/+1
We now have per-device driver_features, so let's use that to disable atomic only for pre-nv50. Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Lyude Paul <lyude@redhat.com> Cc: nouveau@lists.freedesktop.org Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/nv50-: add fp16 scanout supportIlia Mirkin7-18/+66
Older hardware seems to want 0..1024 values, while new hardware takes 0..1 values. We set the gain to 1024 for the earlier display classes. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/nv50-: disable input lut harderBen Skeggs1-0/+2
Under some circumstances, it could be left enabled when it shouldn't be. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/tu102-: disable input lut when input is already FP16Ben Skeggs1-1/+3
On Turing, an input LUT is required to transform inputs in fixed-point formats to FP16 for the internal display pipe. We provide an identity mapping whenever a window is enabled for this reason. HW has error checks to ensure when the input is already FP16, that the input LUT is also disabled. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/kms/gv100: allow windows to use PACKED8BPP formatsBen Skeggs1-1/+1
Required for upcoming FP16 scanout support. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau: fix nvif/device.h is included more than onceHariprasad Kelam1-1/+0
remove duplicate inclusion of nvif/device.h Issue identified by includecheck Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/dispnv04: subdev/bios.h is included more than onceHariprasad Kelam1-1/+0
remove duplicate inclusion of subdev/bios.h Issue identified by includecheck Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/mmu: use struct_size() helperGustavo A. R. Silva1-1/+1
Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes, in particular in the context in which this code is being used. So, replace the following form: sizeof(*kind) + sizeof(*kind->data) * mmu->kind_nr; with: struct_size(kind, data, mmu->kind_nr) This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau: drop use of drmp.hSam Ravnborg23-28/+14
Drop use of the deprecated drmP.h file from drm/nouveau. Build tested using allyesconfig and allmodconfig. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: nouveau@lists.freedesktop.org Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau: drop drmP.h from all header filesSam Ravnborg4-4/+3
Drop include of the deprecated drmP.h from all nouveau heder files. This allows us to remove drmP.h from all .c files without any side-effects in a follow-up commit. Build tested using allyeyconfig and allmodconfig Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: nouveau@lists.freedesktop.org Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau: drop drmP.h from nouveau_drv.hSam Ravnborg5-1/+13
Drop the deprecated drmP.h header from nouveau_drv.h. Fix fallout in other parts of the driver. Build tested using allmodconfig and allyesconfig. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: nouveau@lists.freedesktop.org Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau: drop use of DRM_UDELAYSam Ravnborg1-1/+1
The DRM_UDELAY is a simple wrapper for udealy() and to be consistent call udelay() direct like in may other places. This avoids the need to pull in drm_os_linux.h when we later drop drmP.h uses in nouveau. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: nouveau@lists.freedesktop.org Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/bios/init: fix spelling mistake "CONDITON" -> "CONDITION"Colin Ian King1-1/+1
There is a spelling mistake in a warning message. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23drm/nouveau/secboot: Make acr_r352_ls_gpccs_func staticYueHaibing1-1/+1
Fix sparse warning: drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c:1092:1: warning: symbol 'acr_r352_ls_gpccs_func' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-21drm/nouveau: Initialize GEM object before TTM objectThierry Reding4-41/+77
TTM assumes that drivers initialize the embedded GEM object before calling the ttm_bo_init() function. This is not currently the case in the Nouveau driver. Fix this by splitting up nouveau_bo_new() into nouveau_bo_alloc() and nouveau_bo_init() so that the GEM can be initialized before TTM BO initialization when necessary. Fixes: b96f3e7c8069 ("drm/ttm: use gem vma_node") Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190814093524.GA31345@ulmo
2019-08-21Merge tag 'drm-misc-next-2019-08-19' of ↵Dave Airlie6-17/+17
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for 5.4: UAPI Changes: Cross-subsystem Changes: Core Changes: - dma-buf: add reservation_object_fences helper, relax reservation_object_add_shared_fence, remove reservation_object seq number (and then restored) - dma-fence: Shrinkage of the dma_fence structure, Merge dma_fence_signal and dma_fence_signal_locked, Store the timestamp in struct dma_fence in a union with cb_list Driver Changes: - More dt-bindings YAML conversions - More removal of drmP.h includes - dw-hdmi: Support get_eld and various i2s improvements - gm12u320: Few fixes - meson: Global cleanup - panfrost: Few refactors, Support for GPU heap allocations - sun4i: Support for DDC enable GPIO - New panels: TI nspire, NEC NL8048HL11, LG Philips LB035Q02, Sharp LS037V7DW01, Sony ACX565AKM, Toppoly TD028TTEC1 Toppoly TD043MTEA1 Signed-off-by: Dave Airlie <airlied@redhat.com> [airlied: fixup dma_resv rename fallout] From: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190819141923.7l2adietcr2pioct@flea
2019-08-13dma-buf: rename reservation_object to dma_resvChristian König6-17/+17
Be more consistent with the naming of the other DMA-buf objects. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/323401/
2019-08-09Merge tag 'drm-misc-next-2019-08-08' of ↵Dave Airlie12-66/+45
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for 5.4: UAPI Changes: - HDCP: Add a Content protection type property Cross-subsystem Changes: Core Changes: - Continue to rework the include dependencies - fb: Remove the unused drm_gem_fbdev_fb_create function - drm-dp-helper: Make the link rate calculation more tolerant to non-explicitly defined, yet supported, rates - fb-helper: Map DRM client buffer only when required, and instanciate a shadow buffer when the device has a dirty function or says so - connector: Add a helper to link the DDC adapter used by that connector to the userspace - vblank: Switch from DRM_WAIT_ON to wait_event_interruptible_timeout - dma-buf: Fix a stack corruption - ttm: Embed a drm_gem_object struct to make ttm_buffer_object a superclass of GEM, and convert drivers to use it. - hdcp: Improvements to report the content protection type to the userspace Driver Changes: - Remove drm_gem_prime_import/export from being defined in the drivers - Drop DRM_AUTH usage from drivers - Continue to drop drmP.h - Convert drivers to the connector ddc helper - ingenic: Add support for more panel-related cases - komeda: Support for dual-link - lima: Reduce logging - mpag200: Fix the cursor support - panfrost: Export GPU features register to userspace through an ioctl - pl111: Remove the CLD pads wiring support from the DT - rockchip: Rework to use DRM PSR helpers, fix a bug in the VOP_WIN_GET macro - sun4i: Improve support for color encoding and range - tinydrm: Rework SPI support, improve MIPI-DBI support, move to drm/tiny - vkms: Rework of the CRC tracking - bridges: - sii902x: Add support for audio graph card - tc358767: Rework AUX data handling code - ti-sn65dsi86: Add Debugfs and proper DSI mode flags support - panels - Support for GiantPlus GPM940B0, Sharp LQ070Y3DG3B, Ortustech COM37H3M, Novatek NT39016, Sharp LS020B1DD01D, Raydium RM67191, Boe Himax8279d, Sharp LD-D5116Z01B - Conversion of the device tree bindings to the YAML description - jh057n00900: Rework the enable / disable path - fbdev: - ssd1307fb: Support more devices based on that controller Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190808121423.xzpedzkpyecvsiy4@flea
2019-08-07drm/nouveau: remove open-coded drm_invalid_op()Emil Velikov3-8/+1
Cc: Ben Skeggs <bskeggs@redhat.com> Cc: nouveau@lists.freedesktop.org Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190522150219.13913-2-emil.l.velikov@gmail.com
2019-08-07Revert "drm/nouveau: remove open-coded drm_invalid_op()"Sean Paul3-1/+8
This reverts commit ccdae42575695ab442941310bd67c7ed1714e273. Mandatory review was missing from this patch. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190807142101.251400-6-sean@poorly.run
2019-08-06drm/nouveau: switch driver from bo->resv to bo->base.resvGerd Hoffmann4-6/+5
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-15-kraxel@redhat.com
2019-08-06drm/ttm: use gem vma_nodeGerd Hoffmann2-2/+2
Drop vma_node from ttm_buffer_object, use the gem struct (base.vma_node) instead. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-9-kraxel@redhat.com
2019-08-06drm/nouveau: use embedded gem objectGerd Hoffmann7-24/+20
Drop drm_gem_object from nouveau_bo, use the ttm_buffer_object.base instead. Build tested only. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-7-kraxel@redhat.com
2019-08-05dma-buf: add more reservation object locking wrappersChristian König1-2/+2
Complete the abstraction of the ww_mutex inside the reservation object. This allows us to add more handling and debugging to the reservation object in the future. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/320761/
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