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

[Guillaume Ranquet]

Add a flag to indicate support for frame colorimetry.

Signed-off-by: Guillaume Ranquet <granq...@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