]> 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)
commitf6a258f21c8a5f8ffe0ab36affbbf1192514fa79
treebf4a0efb026336ea7e4fa40c96829d75839bf12b
parentb5730b0d75dc41aa3d876a527c4ef42ead692757
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