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linux/drivers/gpu/drm/i915/gem
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Chris Wilson 761c70a525 drm/i915/gem: Drop lru bumping on display unpinning 
Simplify the frontbuffer unpin by removing the lock requirement. The LRU
bumping was primarily to protect the GTT from being evicted and from
frontbuffers being eagerly shrunk. Now we protect frontbuffers from the
shrinker, and we avoid accidentally evicting from the GTT, so the
benefit from bumping LRU is no more, and we can save more time by not.

Reported-and-tested-by: Matti Hämäläinen <ccr@tnsp.org>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2905
Fixes: c1793ba86a ("drm/i915: Add ww locking to pin_to_display_plane, v2.")
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/20210119214336.1463-6-chris@chris-wilson.co.uk
(cherry picked from commit 14ca83eece)
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: <stable@vger.kernel.org> # v5.10+
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-02-02 13:39:02 +02:00
..
selftests
Merge tag 'drm-misc-next-2020-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-11-04 11:49:10 +10:00
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
…
i915_gem_client_blt.c
drm/i915/gem: Perform all asynchronous waits prior to marking payload start
2020-11-03 15:00:06 +00:00
i915_gem_client_blt.h
…
i915_gem_context_types.h
drm/i915/gem: Split the context's obj:vma lut into its own mutex
2020-07-03 10:13:13 +01:00
i915_gem_context.c
drm/i915/gem: Always test execution status on closing the context
2020-09-30 14:24:51 -04:00
i915_gem_context.h
drm/i915/sseu: Move sseu_info under gt_info
2020-07-08 21:13:09 +01:00
i915_gem_dmabuf.c
mm: introduce vma_set_file function v5
2020-11-19 10:36:36 +01:00
i915_gem_domain.c
drm/i915/gem: Drop lru bumping on display unpinning
2021-02-02 13:39:02 +02:00
i915_gem_execbuffer.c
drm/i915: clear the gpu reloc batch
2021-01-05 10:25:02 +02:00
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
mm: introduce vma_set_file function v5
2020-11-19 10:36:36 +01:00
i915_gem_mman.h
drm/i915/gem: Only revoke mmap handlers if active
2020-07-02 20:46:08 +01:00
i915_gem_object_blt.c
drm/i915: Fix an error code i915_gem_object_copy_blt()
2020-09-30 14:24:28 -04:00
i915_gem_object_blt.h
drm/i915: Convert i915_gem_object/client_blt.c to use ww locking as well, v2.
2020-09-07 14:31:22 +03:00
i915_gem_object_types.h
drm/i915/gem: Allow backends to override pread implementation
2020-11-12 19:47:30 -05:00
i915_gem_object.c
Merge tag 'drm-intel-gt-next-2020-11-12-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-11-13 15:01:57 +10:00
i915_gem_object.h
drm/i915/gem: Drop lru bumping on display unpinning
2021-02-02 13:39:02 +02:00
i915_gem_pages.c
Merge tag 'drm-intel-gt-next-2020-11-12-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-11-13 15:01:57 +10:00
i915_gem_phys.c
drm/i915/gem: Pull phys pread/pwrite implementations to the backend
2020-11-12 19:47:30 -05:00
i915_gem_pm.c
drm/i915: Add an implementation for i915_gem_ww_ctx locking, v2.
2020-09-07 14:29:44 +03:00
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
i915: use find_lock_page instead of find_lock_entry
2020-10-13 18:38:29 -07:00
i915_gem_shrinker.c
drm/i915/gem: Unpin idle contexts from kswapd reclaim
2020-07-08 22:05:49 +01:00
i915_gem_shrinker.h
…
i915_gem_stolen.c
Merge tag 'drm-intel-gt-next-2020-11-12-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-11-13 15:01:57 +10:00
i915_gem_stolen.h
drm/i915: Exclude low pages (128KiB) of stolen from use
2020-10-21 08:32:28 -04:00
i915_gem_throttle.c
drm/i915/gem: Remove disordered per-file request list for throttling
2020-09-07 13:13:50 +03:00
i915_gem_tiling.c
drm/i915: Add an implementation for i915_gem_ww_ctx locking, v2.
2020-09-07 14:29:44 +03:00
i915_gem_userptr.c
lib/scatterlist: Add support in dynamic allocation of SG table from pages
2020-10-05 20:45:45 -03:00
i915_gem_wait.c
…
i915_gemfs.c
…
i915_gemfs.h
…