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path: root/drivers/gpu/drm/msm/adreno/a5xx_preempt.c
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Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a5xx_preempt.c')
-rw-r--r--drivers/gpu/drm/msm/adreno/a5xx_preempt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c
index c65b34a4a8cc..0469fea55010 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c
@@ -55,6 +55,8 @@ static inline void update_wptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
/* Return the highest priority ringbuffer with something in it */
static struct msm_ringbuffer *get_next_ring(struct msm_gpu *gpu)
{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu);
unsigned long flags;
int i;
@@ -64,6 +66,8 @@ static struct msm_ringbuffer *get_next_ring(struct msm_gpu *gpu)
spin_lock_irqsave(&ring->preempt_lock, flags);
empty = (get_wptr(ring) == gpu->funcs->get_rptr(gpu, ring));
+ if (!empty && ring == a5xx_gpu->cur_ring)
+ empty = ring->memptrs->fence == a5xx_gpu->last_seqno[i];
spin_unlock_irqrestore(&ring->preempt_lock, flags);
if (!empty)