drm/radeon/dpm: add new callback for powergating UVD (v4)
Starting on CIK, multi-media blocks like UVD no longer
have special power state. Rather they have their own
DPM implementation which adjusts their clocks dynamically
when active. When they are not active, the blocks are
powergated to save power.
v2: add missing pm locks
v3: rebase on uvd state selection rework
v4: fix inverted logic typo noticed by Christian
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 930650e..5e21dbe 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1730,6 +1730,7 @@
void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
bool (*vblank_too_short)(struct radeon_device *rdev);
+ void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
} dpm;
/* pageflipping */
struct {
@@ -2518,6 +2519,7 @@
#define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
#define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
#define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
+#define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
/* Common functions */
/* AGP */