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

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Date:   Tue, 15 Sep 2020 14:40:56 +0200
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     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>,
        Neil Armstrong <narmstrong@...libre.com>,
        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 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.

Thanks,
  Enric