diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2017-10-20 20:07:01 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2017-10-28 18:01:38 +0300 |
| commit | b1fc2839d2f92d09da90d1e09156a73ddaba8a93 (patch) | |
| tree | 2cbc4001472d16c4290e7a4d8be6742d57c72d3c /drivers/gpu/drm/msm/msm_gpu.c | |
| parent | 4d87fc32dfd20ad0d4ffd5204f6e5d41d281e128 (diff) | |
| download | linux-b1fc2839d2f92d09da90d1e09156a73ddaba8a93.tar.xz | |
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_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index ec28c99ee36e..a05aa119f22b 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -295,8 +295,7 @@ static void recover_worker(struct work_struct *work) * Replay all remaining submits starting with highest priority * ring */ - - for (i = gpu->nr_rings - 1; i >= 0; i--) { + for (i = 0; i < gpu->nr_rings; i++) { struct msm_ringbuffer *ring = gpu->rb[i]; list_for_each_entry(submit, &ring->submits, node) @@ -476,7 +475,7 @@ static void retire_submits(struct msm_gpu *gpu) WARN_ON(!mutex_is_locked(&dev->struct_mutex)); /* Retire the commits starting with highest priority */ - for (i = gpu->nr_rings - 1; i >= 0; i--) { + for (i = 0; i < gpu->nr_rings; i++) { struct msm_ringbuffer *ring = gpu->rb[i]; list_for_each_entry_safe(submit, tmp, &ring->submits, node) { |