From: Paloma Arellano Date: Thu, 22 Feb 2024 19:39:55 +0000 (-0800) Subject: drm/msm/dp: program config ctrl for YUV420 over DP X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=683d374582e3e8afc1b8547789e0b8e0b5b3f6fe;p=linux.git 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: Paloma Arellano Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/579615/ Link: https://lore.kernel.org/r/20240222194025.25329-11-quic_parellan@quicinc.com Signed-off-by: Dmitry Baryshkov --- diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 320f17fce9a64..ced2ed59ca936 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -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;