Re: [PATCH v10 54/69] drm/rockchip: rk3066_hdmi: Advertise HDMI 1.4 capabilities
Heiko Stübner <[email protected]>
| Newsgroups | dev.linux.lists.linux-sunxi,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <7956767.Wku2Vz74k6@diego> |
Am Freitag, 31. Juli 2026, 18:20:01 Mitteleuropäische Sommerzeit schrieb Cristian Ciocaltea:
> Bridges using DRM_BRIDGE_OP_HDMI are now expected to also provide a
> supported HDMI version. This is not yet enforced, but will become
> mandatory once the migration to the new caps-based HDMI connector
> initialization API is completed.
>
> The RK3066 HDMI TX supports HDMI 1.4a, as described in commit
> f84d3d37b7fb ("drm: rockchip: introduce rk3066 hdmi"). However, the
> driver does not currently enforce a maximum TMDS character rate, it only
> filters non-CEA modes and excludes VIC 1 (640x480) via the .mode_valid
> callback.
>
> Advertise HDMI 1.4 support for now so that modes exceeding the 340 MHz
> TMDS limit are rejected by the core.
>
> Signed-off-by: Cristian Ciocaltea <[email protected]>
Reviewed-by: Heiko Stuebner <[email protected]>