linux-kernel - Re: [PATCH v1 2/2] drm/panel-edp: Modify LQ116M1JW10 panel's bpc to 6

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Message-ID: <CAD=FV=UXRpk=O7zC4B9hRE4oTNHJLosm_bhhNUgVur0csChMhQ@mail.gmail.com>
Date: Thu, 30 Oct 2025 08:22:09 -0700
From: Doug Anderson <dianders@...omium.org>
To: Ajye Huang <ajye_huang@...pal.corp-partner.google.com>
Cc: linux-kernel@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>, 
	Jessica Zhang <jesszhan0024@...il.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	dri-devel@...ts.freedesktop.org, jazhan@...gle.com
Subject: Re: [PATCH v1 2/2] drm/panel-edp: Modify LQ116M1JW10 panel's bpc to 6

Hi,

On Thu, Oct 30, 2025 at 2:58 AM Ajye Huang
<ajye_huang@...pal.corp-partner.google.com> wrote:
>
> Hi Doug,
>
> On Thu, Oct 30, 2025 at 7:25 AM Doug Anderson <dianders@...omium.org> wrote:
>
> >
> > Unless folks end up preferring EDID_QUIRK_FORCE_6BPC:
> >
> > Reviewed-by: Douglas Anderson <dianders@...omium.org>
>
> After following your suggestion with the following, the issue goes
> away during YouTube playback.
> I will send a new patch for drm_edid.c, thank you so much

FWIW, it is a bit baffling to me that you report link training seems
to be failing yet then talk about the symptom of noise during youtube
playback. If link training is failing I'd expect nothing to ever show
up on the screen...

-Doug