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]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index e5ece1f..a98fbbb 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); } /** -- 2.9.5 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
