diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 377fe20bce23..3c01252b1e0e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -34,6 +34,7 @@ #include <linux/kref.h> #include <linux/slab.h> #include <linux/firmware.h> +#include <linux/pm_runtime.h> #include <drm/drm_debugfs.h> @@ -154,7 +155,7 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, seq); amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr, seq, flags | AMDGPU_FENCE_FLAG_INT); - + pm_runtime_get_noresume(adev->ddev->dev); ptr = &ring->fence_drv.fences[seq & ring->fence_drv.num_fences_mask]; if (unlikely(rcu_dereference_protected(*ptr, 1))) { struct dma_fence *old; @@ -234,6 +235,7 @@ static void amdgpu_fence_schedule_fallback(struct amdgpu_ring *ring) bool amdgpu_fence_process(struct amdgpu_ring *ring) { struct amdgpu_fence_driver *drv = &ring->fence_drv; + struct amdgpu_device *adev = ring->adev; uint32_t seq, last_seq; int r; @@ -274,6 +276,8 @@ bool amdgpu_fence_process(struct amdgpu_ring *ring) BUG(); dma_fence_put(fence); + pm_runtime_mark_last_busy(adev->ddev->dev); + pm_runtime_put_autosuspend(adev->ddev->dev); } while (last_seq != seq); return true; @@ -737,10 +741,18 @@ static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct amdgpu_device *adev = dev->dev_private; + int r; + + r = pm_runtime_get_sync(dev->dev); + if (r < 0) + return 0; seq_printf(m, "gpu recover\n"); amdgpu_device_gpu_recover(adev, NULL); + pm_runtime_mark_last_busy(dev->dev); + pm_runtime_put_autosuspend(dev->dev); + return 0; } |