]> git.baikalelectronics.ru Git - kernel.git/commit
drm/amdgpu: bypass lru touch for KIQ ring submission
authorPixel Ding <Pixel.Ding@amd.com>
Wed, 8 Nov 2017 02:20:01 +0000 (10:20 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 8 Nov 2017 22:55:14 +0000 (17:55 -0500)
commitad82d85413d66bba4fc800120faac7f05f54ea00
treebf4a0efb026336ea7e4fa40c96829d75839bf12b
parentedbaee7fee6de13fd89da4edde820e385e7ca9bd
drm/amdgpu: bypass lru touch for KIQ ring submission

KIQ ring submission is used for register accessing on SRIOV
VF that could happen both in irq enabled and irq disabled cases.
Inversion lock could happen on adev->ring_lru_list_lock, while
this operation is useless and just adds overhead in this use
case.

Signed-off-by: Pixel Ding <Pixel.Ding@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c