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| author | Jordan Crouse <jcrouse@codeaurora.org> | 2017-10-20 11:07:01 -0600 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2017-10-28 11:01:38 -0400 |
| commit | b1fc2839d2f92d09da90d1e09156a73ddaba8a93 (patch) | |
| tree | 2cbc4001472d16c4290e7a4d8be6742d57c72d3c /drivers/gpu/drm/msm/msm_ringbuffer.c | |
| parent | 4d87fc32dfd20ad0d4ffd5204f6e5d41d281e128 (diff) | |
| download | linux-b1fc2839d2f92d09da90d1e09156a73ddaba8a93.tar.bz2 | |
drm/msm: Implement preemption for A5XX targets
Implement preemption for A5XX targets - this allows multiple
ringbuffers for different priorities with automatic preemption
of a lower priority ringbuffer if a higher one is ready.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_ringbuffer.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c b/drivers/gpu/drm/msm/msm_ringbuffer.c index e39c4e392854..6ca98da35f63 100644 --- a/drivers/gpu/drm/msm/msm_ringbuffer.c +++ b/drivers/gpu/drm/msm/msm_ringbuffer.c @@ -53,6 +53,7 @@ struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int id, ring->memptrs_iova = memptrs_iova; INIT_LIST_HEAD(&ring->submits); + spin_lock_init(&ring->lock); snprintf(name, sizeof(name), "gpu-ring-%d", ring->id); |