diff options
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.c | 2 |
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index f944b69e2a25..efe9840e28fa 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -498,10 +498,15 @@ int adreno_hw_init(struct msm_gpu *gpu) ring->cur = ring->start; ring->next = ring->start; - - /* reset completed fence seqno: */ - ring->memptrs->fence = ring->fctx->completed_fence; ring->memptrs->rptr = 0; + + /* Detect and clean up an impossible fence, ie. if GPU managed + * to scribble something invalid, we don't want that to confuse + * us into mistakingly believing that submits have completed. + */ + if (fence_before(ring->fctx->last_fence, ring->memptrs->fence)) { + ring->memptrs->fence = ring->fctx->last_fence; + } } return 0; diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index cedc88cf8083..c8cd9bfa3eeb 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -418,7 +418,7 @@ static void recover_worker(struct kthread_work *work) * one more to clear the faulting submit */ if (ring == cur_ring) - fence++; + ring->memptrs->fence = ++fence; msm_update_fence(ring->fctx, fence); } |