Re: [PATCH v4] drm/bridge: sii902x: Fix HDMI detection with DRM_BRIDGE_ATTACH_NO_CONNECTOR

[Neil Armstrong]

Hi,

On Thu, 30 Oct 2025 20:46:35 +0530, Devarsh Thakkar wrote:
> The sii902x driver was caching HDMI detection state in a sink_is_hdmi field
> and checking it in mode_set() to determine whether to set HDMI or DVI
> output mode. This approach had two problems:
> 
> 1. With DRM_BRIDGE_ATTACH_NO_CONNECTOR (used by modern display drivers like
> TIDSS), the bridge's get_modes() is never called. Instead, the
> drm_bridge_connector helper calls the bridge's edid_read() and updates the
> connector itself. This meant sink_is_hdmi was never populated, causing the
> driver to default to DVI mode and breaking HDMI audio.
> 
> [...]

Thanks, Applied to https://gitlab.freedesktop.org/drm/misc/kernel.git (drm-misc-fixes)

[1/1] drm/bridge: sii902x: Fix HDMI detection with DRM_BRIDGE_ATTACH_NO_CONNECTOR
      https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/d6732ef4ab252e5753be7acad87b0a91cfd06953

-- 
Neil