AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/gpu/drm/i915/gem
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Chris Wilson 57a78ca4ec drm/i915/gem: Mark the buffer pool as active for the cmdparser 
If the execbuf is interrupted after building the cmdparser pipeline, and
before we commit to submitting the request to HW, we would attempt to
clean up the cmdparser early. While we held active references to the vma
being parsed and constructed, we did not hold an active reference for
the buffer pool itself. The result was that an interrupted execbuf could
still have run the cmdparser pipeline, but since the buffer pool was
idle, its target vma could have been recycled.

Note this problem only occurs if the cmdparser is running async due to
pipelined waits on busy fences, and the execbuf is interrupted.

Fixes: 686c7c35ab ("drm/i915/gem: Asynchronous cmdparser")
Fixes: 16e8745967 ("drm/i915/gt: Move the batch buffer pool from the engine to the gt")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200604103751.18816-1-chris@chris-wilson.co.uk
2020-06-04 14:38:06 +01:00
..
selftests drm/i915/selftests: Exercise all copy engines with the blt routines 2020-06-04 14:24:21 +01:00
i915_gem_busy.c drm/i915: Align engine->uabi_class/instance with i915_drm.h 2020-01-20 09:13:01 +00:00
i915_gem_clflush.c drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
i915_gem_clflush.h drm/i915: Move more GEM objects under gem/ 2019-05-28 12:45:29 +01:00
i915_gem_client_blt.c drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
i915_gem_client_blt.h drm/i915: add in-kernel blitter client 2019-05-30 12:01:44 +01:00
i915_gem_context_types.h drm/i915/gem: use spinlock_t instead of struct spinlock 2020-02-19 15:08:49 +02:00
i915_gem_context.c drm/i915: Disable semaphore inter-engine sync without timeslicing 2020-05-21 17:18:25 +01:00
i915_gem_context.h drm/i915/perf: introduce global sseu pinning 2020-03-17 15:27:55 +02:00
i915_gem_dmabuf.c drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_domain.c drm/i915/gem: Remove object_is_locked assertion from unpin_from_display_plane 2020-04-20 16:23:24 +01:00
i915_gem_execbuffer.c drm/i915/gem: Mark the buffer pool as active for the cmdparser 2020-06-04 14:38:06 +01:00
i915_gem_fence.c drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
i915_gem_internal.c drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_ioctls.h drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET 2019-12-04 15:11:44 +00:00
i915_gem_lmem.c drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_lmem.h drm/i915/gem: Support discontiguous lmem object maps 2020-01-03 11:26:01 +00:00
i915_gem_mman.c drm/i915/gem: Retry faulthandlers on ENOSPC 2020-05-16 10:37:20 +01:00
i915_gem_mman.h drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET 2019-12-04 15:11:44 +00:00
i915_gem_object_blt.c drm/i915/selftests: Always flush before unpining after writing 2020-05-11 16:50:04 +01:00
i915_gem_object_blt.h drm/i915/gt: Move the batch buffer pool from the engine to the gt 2020-04-30 19:12:02 +01:00
i915_gem_object_types.h drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_object.c drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_object.h drm/i915: significantly reduce the use of <drm/i915_drm.h> 2020-02-27 08:35:09 +02:00
i915_gem_pages.c drm/i915/selftests: Always flush before unpining after writing 2020-05-11 16:50:04 +01:00
i915_gem_phys.c drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_pm.c drm/i915/gem: Make WARN* drm specific where drm_priv ptr is available 2020-01-22 17:52:39 +02:00
i915_gem_pm.h drm/i915: Teach record_defaults to operate on the intel_gt 2019-10-22 20:43:07 +01:00
i915_gem_region.c drm/i915/gem: Single page objects are naturally contiguous 2020-01-02 21:21:17 +00:00
i915_gem_region.h drm/i915/region: support contiguous allocations 2019-10-08 20:50:01 +01:00
i915_gem_shmem.c drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_shrinker.c drm/i915/gem: Drop cached obj->bind_count 2020-04-02 01:17:39 +01:00
i915_gem_shrinker.h drm/i915: extract i915_gem_shrinker.h from i915_drv.h 2019-08-09 12:03:32 +03:00
i915_gem_stolen.c drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_stolen.h drm/i915/display: Be explicit in handling the preallocated vma 2020-02-05 09:20:39 +00:00
i915_gem_throttle.c drm/i915: Keep drm_i915_file_private around under RCU 2019-08-23 22:13:17 +01:00
i915_gem_tiling.c drm/i915/gem: Hold obj->vma.lock over for_each_ggtt_vma() 2020-04-22 15:43:56 +01:00
i915_gem_userptr.c drm/i915/gem: Give each object class a friendly name 2020-05-29 23:38:29 +01:00
i915_gem_wait.c dma-buf: rename reservation_object to dma_resv 2019-08-13 09:09:30 +02:00
i915_gemfs.c drm/i915: Stop reconfiguring our shmemfs mountpoint 2019-08-09 20:18:30 +01:00
i915_gemfs.h drm/i915: Move more GEM objects under gem/ 2019-05-28 12:45:29 +01:00