[PATCH v10 15/22] drm/rockchip: dw_hdmi_qp: Implement "color format" DRM property

Cristian Ciocaltea cristian.ciocaltea at collabora.com
Fri Mar 6 13:27:53 PST 2026


On 3/5/26 4:19 PM, Nicolas Frattaroli wrote:
> Switch between requested color formats by setting the right bus formats,
> configuring the VO GRF registers, and setting the right output mode.
> 
> To do this, the encoder's atomic_check queries the bus format of the
> first bridge, which was determined by the bridge chain recursive format
> selection. Pick the input format if it's !FIXED, otherwise, pick the
> output format.
> 
> The previously unused GRF register color format defines are redone as
> well. Both RK3588 and RK3576 use the same defines; it didn't look like
> this as there was a typo in the previously (unused) definition.
> 
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>

Reviewed-by: Cristian Ciocaltea <cristian.ciocaltea at collabora.com>



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