From 9458c73ccd64b1ed8c53793e9afd1daa6b826081 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 5 Nov 2014 17:14:32 -0500 Subject: [PATCH] drm/radeon: add missing crtc unlock when setting up the MC commit f0d7bfb9407fccb6499ec01c33afe43512a439a2 upstream. Need to unlock the crtc after updating the blanking state. Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/evergreen.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index e62a9ce3e4dc..ead08a49bec0 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2379,6 +2379,7 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } } else { tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); -- 2.20.1