diff options
| author | Pixel Ding <[email protected]> | 2017-11-08 10:20:01 +0800 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2017-11-08 17:55:14 -0500 |
| commit | dce1e131dd4dc68099ff1b70aa03cd2d0acf8639 (patch) | |
| tree | bf4a0efb026336ea7e4fa40c96829d75839bf12b | |
| parent | 78aa02c713fcf19e9bc8511ab61a5fd6c877cc01 (diff) | |
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 <[email protected]>
Reviewed-by: Monk Liu <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index e5ece1fae149..a98fbbb4739f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -136,7 +136,8 @@ void amdgpu_ring_commit(struct amdgpu_ring *ring) if (ring->funcs->end_use) ring->funcs->end_use(ring); - amdgpu_ring_lru_touch(ring->adev, ring); + if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ) + amdgpu_ring_lru_touch(ring->adev, ring); } /** |