Merge branch 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux into drm...

[sfrench/cifs-2.6.git] / drivers / gpu / drm / radeon / radeon_pm.c

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 3748a62bf843b18061fbe3e6acab4f92f79ca64a..38226d925a5b1e0b034a7288384df7cdf1778c32 100644 (file)
--- 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);
                        }
                }
        }
@@ -1078,10 +1082,6 @@ force:
        /* 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;
-       rdev->pm.dpm.single_display = single_display;
-
        /* wait for the rings to drain */
        for (i = 0; i < RADEON_NUM_RINGS; i++) {
                struct radeon_ring *ring = &rdev->ring[i];
@@ -1097,6 +1097,10 @@ force:
 
        radeon_dpm_post_set_power_state(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;
+       rdev->pm.dpm.single_display = single_display;
+
        if (rdev->asic->dpm.force_performance_level) {
                if (rdev->pm.dpm.thermal_active) {
                        enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level;