linux-kernel - Re: [PATCH 0/2] drm/bridge: tc358767: Fix DRM_BRIDGE_ATTACH_NO

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Date: Tue, 19 Dec 2023 12:00:04 +0200
From: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To: Jan Kiszka <jan.kiszka@...mens.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 Aradhya Bhatia <a-bhatia1@...com>, Andrzej Hajda <andrzej.hajda@...el.com>,
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>,
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH 0/2] drm/bridge: tc358767: Fix
 DRM_BRIDGE_ATTACH_NO_CONNECTOR case

On 15/12/2023 15:33, Jan Kiszka wrote:
> On 31.10.23 14:26, Tomi Valkeinen wrote:
>> These two patches are needed to make tc358767 work in the
>> DRM_BRIDGE_ATTACH_NO_CONNECTOR case, at least when using a DP connector.
>> The first patch, "drm/bridge: tc358767: Support input format negotiation
>> hook" was already sent separately, but I included it here for
>> completeness, as both are needed to get a working display.
>>
>> I have tested this with TI AM654 EVM with a tc358767 add-on card.
>>
>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
>> ---
>> Aradhya Bhatia (1):
>>        drm/bridge: tc358767: Support input format negotiation hook
>>
>> Tomi Valkeinen (1):
>>        drm/bridge: tc358767: Fix link properties discovery
>>
>>   drivers/gpu/drm/bridge/tc358767.c | 32 ++++++++++++++++++++++++++++++++
>>   1 file changed, 32 insertions(+)
>> ---
>> base-commit: 79d94360d50fcd487edcfe118a47a2881534923f
>> change-id: 20231031-tc358767-58e3ebdf95f0
>>
>> Best regards,
> 
> What's the plan for these fixes? I'm not yet seeing them in Linus' tree,
> thus also not in stable.
> 
> Jan
> 

The discussion continued in v2 of the series. There are some open 
question in the tc358767 behavior.

  Tomi