linux-kernel - Re: [PATCH v3 0/1] drm/bridge: ps8640: Make sure all needed is powered to get the EDID

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <3a711997-65d4-91ab-1613-c0746d003dcd@baylibre.com>
Date:   Tue, 15 Sep 2020 15:10:16 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-kernel@...r.kernel.org
Cc:     Collabora Kernel ML <kernel@...labora.com>, matthias.bgg@...il.com,
        drinkcat@...omium.org, hsinyi@...omium.org,
        laurent.pinchart@...asonboard.com, sam@...nborg.org,
        Andrzej Hajda <a.hajda@...sung.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Jonas Karlman <jonas@...boo.se>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v3 0/1] drm/bridge: ps8640: Make sure all needed is
 powered to get the EDID

Hi,

On 15/09/2020 14:40, Enric Balletbo i Serra wrote:
> Hi Sam,
> 
> On 27/8/20 10:59, Enric Balletbo i Serra wrote:
>> The first 4 patches of the series version 2:
>>   - drm/bridge_connector: Set default status connected for eDP connectors
>>   - drm/bridge: ps8640: Get the EDID from eDP control
>>   - drm/bridge: ps8640: Return an error for incorrect attach flags
>>   - drm/bridge: ps8640: Print an error if VDO control fails
>>
>> Are already applied to drm-misc-next, so I removed from this series. The
>> pending patch is part of the original series and is a rework of the power
>> handling to get the EDID. Basically, we need to make sure all the
>> needed is powered to be able to get the EDID. Before, we saw that getting
>> the EDID failed as explained in the third patch.
>>
>> [1] https://lkml.org/lkml/2020/6/15/1208
>>
>> Changes in v3:
>> - Make poweron/poweroff and pre_enable/post_disable reverse one to each other (Sam Ravnborg)
>>
>> Changes in v2:
>> - Use drm_bridge_chain_pre_enable/post_disable() helpers (Sam Ravnborg)
>>
>> Enric Balletbo i Serra (1):
>>   drm/bridge: ps8640: Rework power state handling
>>
>>  drivers/gpu/drm/bridge/parade-ps8640.c | 68 ++++++++++++++++++++++----
>>  1 file changed, 58 insertions(+), 10 deletions(-)
>>
> 
> A gentle ping on this patch. Would be nice land this together with the already
> accepted patches.

Applying it to drm-misc-next

Thanks,
Neil

> 
> Thanks,
>   Enric
>