INTF_CONFIG2 register cannot have widebus enabled when DP format is YUV420. Therefore, program the INTF to send 1 ppc. Signed-off-by: Paloma Arellano <quic_parellan@xxxxxxxxxxx> --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c index 6bba531d6dc41..bfb93f02fe7c1 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c @@ -168,7 +168,9 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *ctx, * video timing. It is recommended to enable it for all cases, except * if compression is enabled in 1 pixel per clock mode */ - if (p->wide_bus_en) + if (dp_intf && fmt->base.pixel_format == DRM_FORMAT_YUV420) + intf_cfg2 |= INTF_CFG2_DATA_HCTL_EN; + else if (p->wide_bus_en) intf_cfg2 |= INTF_CFG2_DATABUS_WIDEN | INTF_CFG2_DATA_HCTL_EN; data_width = p->width; -- 2.39.2