diff options
| author | Sunil Khatri <sunil.khatri@amd.com> | 2024-07-31 13:36:15 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-06 10:43:28 -0400 |
| commit | 67c4ca9f794951482c54a7006c8b3c367d6c3efc (patch) | |
| tree | fb0d73f6afd0b38eba971b0839af758736281b9b /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | |
| parent | ee0a469cf9175aeb6131c0476c4a4a8eb5997dfa (diff) | |
| download | linux-67c4ca9f794951482c54a7006c8b3c367d6c3efc.tar.gz linux-67c4ca9f794951482c54a7006c8b3c367d6c3efc.tar.bz2 linux-67c4ca9f794951482c54a7006c8b3c367d6c3efc.zip | |
drm/amdgpu: do not call insert_nop fn for zero count
Do not make a function call for zero size NOP as it
does not add anything in the ring and is unnecessary
function call.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index ad49cecb20b8..0d72d2cbb64b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -145,7 +145,9 @@ void amdgpu_ring_commit(struct amdgpu_ring *ring) count = ring->funcs->align_mask + 1 - (ring->wptr & ring->funcs->align_mask); count %= ring->funcs->align_mask + 1; - ring->funcs->insert_nop(ring, count); + + if (count != 0) + ring->funcs->insert_nop(ring, count); mb(); amdgpu_ring_set_wptr(ring); |