Change relevant DP controller related programming for YUV420 cases.
Program the configuration control register to indicate YUV420.
Changes in v2:
- Create a new patch only for configuration control programming
Signed-off-by: Paloma Arellano <quic_parel...@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index fb588fde298a2..6692d81adb195 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c
@@ -128,6 +128,9 @@ static void dp_ctrl_config_ctrl(struct dp_ctrl_private
*ctrl)
/* Default-> LSCLK DIV: 1/4 LCLK */
config |= (2 << DP_CONFIGURATION_CTRL_LSCLK_DIV_SHIFT);
+ if (ctrl->panel->dp_mode.out_fmt_is_yuv_420)
+ config |= DP_CONFIGURATION_CTRL_RGB_YUV; /* YUV420 */
+
/* Scrambler reset enable */
if (drm_dp_alternate_scrambler_reset_cap(dpcd))
config |= DP_CONFIGURATION_CTRL_ASSR;
--
2.39.2
