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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c6
1 files changed, 5 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..e9efee04ca23 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;