diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 460c8f2989da..ca3be90a3bb4 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -276,8 +276,12 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev) if (rdev->irq.installed) { for (i = 0; i < rdev->num_crtc; i++) { if (rdev->pm.active_crtcs & (1 << i)) { - rdev->pm.req_vblank |= (1 << i); - drm_vblank_get(rdev->ddev, i); + /* This can fail if a modeset is in progress */ + if (drm_vblank_get(rdev->ddev, i) == 0) + rdev->pm.req_vblank |= (1 << i); + else + DRM_DEBUG_DRIVER("crtc %d no vblank, can glitch\n", + i); } } } @@ -1075,8 +1079,6 @@ force: /* update display watermarks based on new power state */ radeon_bandwidth_update(rdev); - /* update displays */ - radeon_dpm_display_configuration_changed(rdev); rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs; rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count; @@ -1097,6 +1099,9 @@ force: radeon_dpm_post_set_power_state(rdev); + /* update displays */ + radeon_dpm_display_configuration_changed(rdev); + if (rdev->asic->dpm.force_performance_level) { if (rdev->pm.dpm.thermal_active) { enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level; |