drm/radeon: raise UVD clocks only on demand

That not only saves some power, but also solves problems with
older chips where an idle UVD block on higher clocks can
cause problems.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 5020c7c9b7cb..7935370f01af 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1143,6 +1143,7 @@ struct radeon_uvd {
         uint64_t                gpu_addr;
         atomic_t                handles[RADEON_MAX_UVD_HANDLES];
         struct drm_file         *filp[RADEON_MAX_UVD_HANDLES];
+        struct delayed_work     idle_work;
 };
 
 int radeon_uvd_init(struct radeon_device *rdev);
@@ -1157,6 +1158,7 @@ void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo);
 void radeon_uvd_free_handles(struct radeon_device *rdev,
                              struct drm_file *filp);
 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
+void radeon_uvd_note_usage(struct radeon_device *rdev);
 
 struct r600_audio {
         int                     channels;