[PATCH v3 6/6] drm/rockchip: dw_hdmi_qp: Advertise BT.709 and BT.2020 colorimetries

[Cristian Ciocaltea]

On 10/19/26 6:19 AM, Chaoyi Chen wrote:
> Hi Jan,
> 
> On 10/18/2026 8:30 PM, Jan Claußen wrote:
>> Expose BT.2020 RGB and YCC colorimetry so userspace can enable HDR
>> output. Also explicitly expose BT.709 YCC as it is listed in the
>> Rockchip RK3588 TRM V1.0-Part2 20220309 data sheet.
>>
>> Tested on a Radxa Rock 5B (RK3588) with an LG OLED55B87LC in KDE
>> Plasma 6.7.5: enabling HDR switches the colorspace to BT.2020, and
>> disabling it restores the default.
>>
>> Signed-off-by: Jan Claußen <jan.claussen10 at web.de>
>> ---
>>
>> Not sure if BT.709 needs to be explicitly exposed here, but it is mentioned in the data sheet.
>> Might be covered by DRM_MODE_COLORIMETRY_DEFAULT though.
> 
> Cc: Cristian Ciocaltea <cristian.ciocaltea at collabora.com>
> 
> Hi Cristian, may be you would be interested in this series?

Hi Chaoyi, I already planned to check this out soon. Please note there's a newer
revision of the series, so I think it's best to move further discussions there.

Regards,
Cristian