Commit 683d3745 authored by Paloma Arellano's avatar Paloma Arellano Committed by Dmitry Baryshkov
Browse files

drm/msm/dp: program config ctrl for YUV420 over DP 



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: default avatarPaloma Arellano <quic_parellan@quicinc.com>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/579615/
Link: https://lore.kernel.org/r/20240222194025.25329-11-quic_parellan@quicinc.com


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 1cfc64a6

drivers/gpu/drm/msm/dp/dp_ctrl.c

+3 −0
Original line number Diff line number Diff line
@@ -142,6 +142,9 @@ 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;