[PATCH v2 2/3] drm/bridge: dw-hdmi-qp: Add support for missing HPD
Maxime Ripard
mripard at kernel.org
Tue Nov 18 00:46:04 PST 2025
Hi,
On Thu, Nov 13, 2025 at 01:29:38PM -0600, Chris Morgan wrote:
> From: Chris Morgan <macromorgan at hotmail.com>
>
> Add support for the dw-hdmi-qp driver to handle devices with missing
> HPD pins.
>
> Since in this situation we are now polling for the EDID data via i2c
> change the error message to a debug message when we are unable to
> complete an i2c read, as a disconnected device would otherwise fill
> dmesg with i2c read errors.
>
> Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
You must also disable any mode using the scrambler when there's no
hotplug interrupt available.
Maxime
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