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drm: bridge/dw_hdmi: check is_hdmi2 in hdmi_config_AVI

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If a display support HDMI2.0, it must support SCDC or YCbCr420.
So we check the connector->scdc_present and mode->flags to
check the connected display is HDMI 2.0.

Change-Id: I3b868d43791089fcdef77f99ec90396553008b9a
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
This commit is contained in:
Zheng Yang
2017-03-27 11:32:45 +08:00
committed by Tao Huang
parent 11516680b7
commit 99d91794df
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -1517,9 +1517,13 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
{
struct hdmi_avi_infoframe frame;
u8 val;
bool is_hdmi2 = false;
if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format) ||
hdmi->connector.display_info.hdmi.scdc.supported)
is_hdmi2 = true;
/* Initialise info frame from DRM mode */
drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, is_hdmi2);
if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
frame.colorspace = HDMI_COLORSPACE_YUV444;