[PATCH v4 5/7] drm/bridge: dw-hdmi-qp: Forward supported colorspaces from platform data

From: Jan Claußen

Date: Sun Oct 18 2026 - 10:34:42 EST


Let platform glue drivers declare the supported colorspaces, the same
way they already declare supported output formats and max bpc.

Signed-off-by: Jan Claußen <jan.claussen10@xxxxxx>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c | 3 +++
include/drm/bridge/dw_hdmi_qp.h | 2 ++
2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c
index c9568aea98dc..6017c44b03d4 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c
@@ -1129,6 +1129,9 @@ struct dw_hdmi_qp *dw_hdmi_qp_bind(struct platform_device *pdev,
if (plat_data->supported_formats)
hdmi->bridge.supported_formats = plat_data->supported_formats;

+ if (plat_data->supported_colorspaces)
+ hdmi->bridge.supported_colorspaces = plat_data->supported_colorspaces;
+
if (plat_data->max_bpc)
hdmi->bridge.max_bpc = plat_data->max_bpc;

diff --git a/include/drm/bridge/dw_hdmi_qp.h b/include/drm/bridge/dw_hdmi_qp.h
index 6ea9c561cfef..a15af81989cc 100644
--- a/include/drm/bridge/dw_hdmi_qp.h
+++ b/include/drm/bridge/dw_hdmi_qp.h
@@ -27,6 +27,8 @@ struct dw_hdmi_qp_plat_data {
unsigned long ref_clk_rate;
/* Supported output formats: bitmask of @drm_output_color_format */
unsigned int supported_formats;
+ /* Supported colorspaces: bitmask of &enum drm_colorspace */
+ unsigned int supported_colorspaces;
/* Maximum bits per color channel: 8, 10 or 12 */
unsigned int max_bpc;
};
--
2.56.0