[PATCH v8 06/20] drm/display: hdmi-state-helper: Try subsampling in mode_valid

Maxime Ripard mripard at kernel.org
Mon Feb 23 02:58:40 PST 2026


On Mon, 16 Feb 2026 14:01:20 +0100, Nicolas Frattaroli wrote:
> drm_hdmi_connector_mode_valid assumes modes are only valid if they work
> with RGB. The reality is more complex however: YCbCr 4:2:0
> chroma-subsampled modes only require half the pixel clock that the same
> mode would require in RGB.
> 
> 
> [ ... ]

Reviewed-by: Maxime Ripard <mripard at kernel.org>

Thanks!
Maxime



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