[PATCH v3 06/12] drm/mediatek: hdmi: add frame_colorimetry flag

Guillaume Ranquet
2022-11-04T15:32:27Z

Add a flag to indicate support for frame colorimetry.

Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
---
drivers/gpu/drm/mediatek/mtk_hdmi_common.c | 11 +++++++++++
drivers/gpu/drm/mediatek/mtk_hdmi_common.h | 1 +
2 files changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
index 3635ca66817b..933c51b5f6d7 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 921bde150e11..2e8e5feec377 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.h
@@ -32,6 +32,7 @@ struct mtk_hdmi_conf {
bool tz_disabled;
bool cea_modes_only;
bool has_cec;
+ 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);

--
b4 0.11.0-dev