From: Alex Deucher <alexander.deucher@xxxxxxx>
3.4.106-rc1 review patch. If anyone has any objections, please let me know.
------------------
commit f0d7bfb9407fccb6499ec01c33afe43512a439a2 upstream.
Need to unlock the crtc after updating the blanking state.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Zefan Li <lizefan@xxxxxxxxxx>
---
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 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]);
--
1.9.1
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