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drm/bridge: synopsys: dw-hdmi: fixed an error in setting the avi quantization range

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According CEA-861 and HDMI2.0 spec, if EDID indicate the sink
support hdmi2.0 or support quantization range, setting the avi
quantization range to non-zero value.

Change-Id: I866d2e5c3c8e1e3eb73b7a8ebddd5a86aa477e63
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
This commit is contained in:
Zheng Yang
2022-02-11 18:23:58 +08:00
committed by Tao Huang
parent 73159fe2be
commit f6bbf076bb
1 changed files with 6 additions and 5 deletions
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11
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -361,6 +361,7 @@ struct dw_hdmi {
hdmi_codec_plugged_cb plugged_cb;
struct device *codec_dev;
enum drm_connector_status last_connector_result;
bool rgb_quant_range_selectable;
};
#define HDMI_IH_PHY_STAT0_RX_SENSE \
@@ -1896,12 +1897,10 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
/* Initialise info frame from DRM mode */
drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, is_hdmi2);
/*
* Ignore monitor selectable quantization, use quantization set
* by the user
*/
drm_hdmi_avi_infoframe_quant_range(&frame, mode, rgb_quant_range,
true, is_hdmi2);
hdmi->rgb_quant_range_selectable || is_hdmi2,
is_hdmi2);
if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
frame.colorspace = HDMI_COLORSPACE_YUV444;
else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
@@ -2799,6 +2798,7 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
hdmi->support_hdmi = drm_detect_hdmi_monitor(edid);
hdmi->sink_has_audio = drm_detect_monitor_audio(edid);
hdmi->rgb_quant_range_selectable = drm_rgb_quant_range_selectable(edid);
drm_connector_update_edid_property(connector, edid);
cec_notifier_set_phys_addr_from_edid(hdmi->cec_notifier, edid);
ret = drm_add_edid_modes(connector, edid);
@@ -2807,6 +2807,7 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
} else {
hdmi->support_hdmi = true;
hdmi->sink_has_audio = true;
hdmi->rgb_quant_range_selectable = false;
for (i = 0; i < ARRAY_SIZE(dw_hdmi_default_modes); i++) {
const struct drm_display_mode *ptr =