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drm/radeon: add missing crtc unlock when setting up the MC
author
Alex Deucher
<alexander.deucher@amd.com>
Wed, 5 Nov 2014 22:14:32 +0000
(17:14 -0500)
committer
Alex Deucher
<alexander.deucher@amd.com>
Thu, 6 Nov 2014 22:41:19 +0000
(17:41 -0500)
Need to unlock the crtc after updating the blanking state.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/radeon/evergreen.c
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diff --git
a/drivers/gpu/drm/radeon/evergreen.c
b/drivers/gpu/drm/radeon/evergreen.c
index d1e93ebce446ca8ca09be25f7672857f3c1b9bb7..85995b4e33387586448629c44ae31bbff103f10e 100644
(file)
--- a/
drivers/gpu/drm/radeon/evergreen.c
+++ b/
drivers/gpu/drm/radeon/evergreen.c
@@
-2555,6
+2555,7
@@
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]);