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    Subject[PATCH 3.4 153/177] drm/radeon: add missing crtc unlock when setting up the MC
    Date
    From: Alex Deucher <alexander.deucher@amd.com>

    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@amd.com>
    Signed-off-by: Zefan Li <lizefan@huawei.com>
    ---
    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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