[PATCH] drm/amdgpu: remove the check for sessions being closed

Leo Liu leo.liu at amd.com
Wed Aug 3 13:58:19 UTC 2016


This will make clock and power gated when no block decoded, for example
when paused during the playback.

Signed-off-by: Leo Liu <leo.liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index c22b64e..bf59354 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -1089,15 +1089,9 @@ static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
 {
 	struct amdgpu_device *adev =
 		container_of(work, struct amdgpu_device, uvd.idle_work.work);
-	unsigned i, fences, handles = 0;
+	unsigned fences = amdgpu_fence_count_emitted(&adev->uvd.ring);
 
-	fences = amdgpu_fence_count_emitted(&adev->uvd.ring);
-
-	for (i = 0; i < adev->uvd.max_handles; ++i)
-		if (atomic_read(&adev->uvd.handles[i]))
-			++handles;
-
-	if (fences == 0 && handles == 0) {
+	if (fences == 0) {
 		if (adev->pm.dpm_enabled) {
 			amdgpu_dpm_enable_uvd(adev, false);
 		} else {
-- 
2.7.4



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