Change all relevant DP controller related programming for YUV420 cases. Namely, change the pixel clock math to consider YUV420 and modify the MVID programming to consider YUV420. Changes in v2: - Move configuration control programming to a different commit - Slight code simplification - Add VSC SDP check when doing mode_pclk_khz division in dp_bridge_mode_valid Signed-off-by: Paloma Arellano <quic_parellan@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/579640/ Link: https://lore.kernel.org/r/20240222194025.25329-12-quic_parellan@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>