diff options
| author | Chunming Zhou <[email protected]> | 2015-12-10 09:34:33 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2015-12-18 22:29:44 +0000 |
| commit | 5b0112356cf9a735632b26ff5f3450e1716c8598 (patch) | |
| tree | 12bc09ab704fa9a8e6118f8f83fbab14cf4dc436 /drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | |
| parent | drm/amdgpu: limit visible vram if it's smaller than the BAR (diff) | |
| download | kernel-5b0112356cf9a735632b26ff5f3450e1716c8598.tar.gz kernel-5b0112356cf9a735632b26ff5f3450e1716c8598.zip | |
drm/amdgpu: restrict the sched jobs number to power of two
Signed-off-by: Chunming Zhou <[email protected]>
Reviewed-by: Christian König <[email protected]>
CC: [email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index ee121ec2917b..17d1fb12128a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -252,7 +252,7 @@ uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring, unsigned idx = 0; struct fence *other = NULL; - idx = seq % amdgpu_sched_jobs; + idx = seq & (amdgpu_sched_jobs - 1); other = cring->fences[idx]; if (other) { signed long r; @@ -292,7 +292,7 @@ struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx, return NULL; } - fence = fence_get(cring->fences[seq % amdgpu_sched_jobs]); + fence = fence_get(cring->fences[seq & (amdgpu_sched_jobs - 1)]); spin_unlock(&ctx->ring_lock); return fence; |