Thread (10 messages) 10 messages, 5 authors, 2022-02-02

Re: [PATCH 1/4] drm: Add I2C connector type

From: Javier Martinez Canillas <javierm@redhat.com>
Date: 2022-02-01 13:06:13
Also in: dri-devel, lkml

Possibly related (same subject, not in this thread)

Hello Noralf,

On 2/1/22 13:58, Noralf Trønnes wrote:

Den 31.01.2022 21.52, skrev Sam Ravnborg:
quoted
On Mon, Jan 31, 2022 at 09:12:21PM +0100, Javier Martinez Canillas wrote:
quoted
There isn't a connector type for display controllers accesed through I2C,
most drivers use DRM_MODE_CONNECTOR_Unknown or DRM_MODE_CONNECTOR_VIRTUAL.

Add an I2C connector type to match the actual connector.

As Noralf Trønnes mentions in commit fc06bf1d76d6 ("drm: Add SPI connector
type"), user-space should be able to cope with a connector type that does
not yet understand.
It turned out that I wasn't entirely correct here, mpv didn't cope with
unknown types. In the PR to add support Emil Velikov wondered if libdrm
should handle these connector names:
https://github.com/mpv-player/mpv/pull/8989#issuecomment-879187711
I see, thanks for the information. What should we do then, just use the type
DRM_MODE_CONNECTOR_Unknown then ?

Best regards,
-- 
Javier Martinez Canillas
Linux Engineering
Red Hat
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