[v1,10/17] drm/mediatek: hdmi: add frame_colorimetry flag

Commit Message

Guillaume Ranquet Sept. 19, 2022, 4:56 p.m. UTC

Add a flag to indicate support for frame colorimetry.

Signed-off-by: Guillaume Ranquet <[e-mail]>

Patch

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
index 30407603d693..9fe086e2cd7c 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
@@ -120,6 +120,17 @@  int mtk_hdmi_setup_avi_infoframe(struct mtk_hdmi *hdmi, u8 *buffer, size_t bufsz
 		return err;
 	}
 
+	if (hdmi->conf->has_frame_colorimetry) {
+		frame.colorimetry = hdmi->colorimtery;
+		if (frame.colorimetry == HDMI_COLORIMETRY_EXTENDED)
+			frame.extended_colorimetry = hdmi->extended_colorimetry;
+
+		/* quantiation range:limited or full */
+		if (frame.colorspace == HDMI_COLORSPACE_RGB)
+			frame.quantization_range = hdmi->quantization_range;
+		else
+			frame.ycc_quantization_range = hdmi->ycc_quantization_range;
+	}
 	err = hdmi_avi_infoframe_pack(&frame, buffer, bufsz);
 
 	if (err < 0) {
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.h b/drivers/gpu/drm/mediatek/mtk_hdmi_common.h
index 62a14435be69..75a9b62dccee 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.h
@@ -33,6 +33,7 @@  struct mtk_hdmi_conf {
 	bool cea_modes_only;
 	bool has_cec;
 	bool has_connector;
+	bool has_frame_colorimetry;
 	unsigned long max_mode_clock;
 	const struct drm_bridge_funcs *bridge_funcs;
 	void (*mtk_hdmi_output_init)(struct mtk_hdmi *hdmi);