diff options
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.c | 9 |
2 files changed, 17 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index a60584763b61..a0b9d8a95b16 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -124,6 +124,8 @@ void adreno_recover(struct msm_gpu *gpu) /* reset completed fence seqno, just discard anything pending: */ adreno_gpu->memptrs->fence = gpu->submitted_fence; + adreno_gpu->memptrs->rptr = 0; + adreno_gpu->memptrs->wptr = 0; gpu->funcs->pm_resume(gpu); ret = gpu->funcs->hw_init(gpu); @@ -229,7 +231,7 @@ void adreno_idle(struct msm_gpu *gpu) return; } while(time_before(jiffies, t)); - DRM_ERROR("timeout waiting for %s to drain ringbuffer!\n", gpu->name); + DRM_ERROR("%s: timeout waiting to drain ringbuffer!\n", gpu->name); /* TODO maybe we need to reset GPU here to recover from hang? */ } @@ -256,11 +258,17 @@ void adreno_wait_ring(struct msm_gpu *gpu, uint32_t ndwords) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); uint32_t freedwords; + unsigned long t = jiffies + ADRENO_IDLE_TIMEOUT; do { uint32_t size = gpu->rb->size / 4; uint32_t wptr = get_wptr(gpu->rb); uint32_t rptr = adreno_gpu->memptrs->rptr; freedwords = (rptr + (size - 1) - wptr) % size; + + if (time_after(jiffies, t)) { + DRM_ERROR("%s: timeout waiting for ringbuffer space\n", gpu->name); + break; + } } while(freedwords < ndwords); } diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index cb9cdffdc41f..10cc44324166 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -237,8 +237,15 @@ static void hangcheck_handler(unsigned long data) gpu->hangcheck_fence = fence; } else if (fence < gpu->submitted_fence) { /* no progress and not done.. hung! */ - struct msm_drm_private *priv = gpu->dev->dev_private; + struct drm_device *dev = gpu->dev; + struct msm_drm_private *priv = dev->dev_private; gpu->hangcheck_fence = fence; + dev_err(dev->dev, "%s: hangcheck detected gpu lockup!\n", + gpu->name); + dev_err(dev->dev, "%s: completed fence: %u\n", + gpu->name, fence); + dev_err(dev->dev, "%s: submitted fence: %u\n", + gpu->name, gpu->submitted_fence); queue_work(priv->wq, &gpu->recover_work); } |