From: Alex Deucher Date: Wed, 5 Nov 2014 22:14:32 +0000 (-0500) Subject: drm/radeon: add missing crtc unlock when setting up the MC X-Git-Tag: v3.4.106~30 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4dc9a295a5975b4e60edd87f8e469dd5746dded5;p=platform%2Fkernel%2Flinux-stable.git 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: Zefan Li --- diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index df62c39..01434ef 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1176,6 +1176,7 @@ 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]);