With the YUV420 handling, we can dynamically setup the HDMI output pixel format depending on the mode and connector info. So now, we can output in YUV444, which is the native video pipeline format, directly to the HDMI Sink if it's supported without necessarily involving the HDMI Controller CSC.
Signed-off-by: Neil Armstrong <[email protected]> --- drivers/gpu/drm/meson/meson_dw_hdmi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index 540971a..69f9b2a 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -664,7 +664,10 @@ static int meson_venc_hdmi_encoder_atomic_check(struct drm_encoder *encoder, dw_hdmi->output_bus_format = MEDIA_BUS_FMT_UYYVYY8_0_5X24; } else { dw_hdmi->input_bus_format = MEDIA_BUS_FMT_YUV8_1X24; - dw_hdmi->output_bus_format = MEDIA_BUS_FMT_RGB888_1X24; + if (info->color_formats & DRM_COLOR_FORMAT_YCRCB444) + dw_hdmi->output_bus_format = MEDIA_BUS_FMT_YUV8_1X24; + else + dw_hdmi->output_bus_format = MEDIA_BUS_FMT_RGB888_1X24; } return 0; -- 2.7.4
