diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 3fa6984d989..c91b741d5b4 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -224,6 +224,11 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev) { int i; + /* no need to take locks, etc. if nothing's going to change */ + if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) && + (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index)) + return; + mutex_lock(&rdev->ddev->struct_mutex); mutex_lock(&rdev->vram_mutex); mutex_lock(&rdev->cp.mutex); |