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From: Jani Nikula <jani.nikula@intel.com>
To: Paul Wise <pabs3@bonedaddy.net>, Daniel Vetter <daniel@ffwll.ch>
Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	"Ilpo Järvinen" <ilpo.jarvinen@cs.helsinki.fi>,
	stable@vger.kernel.org, "Daniel Vetter" <daniel.vetter@ffwll.ch>,
	"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
	"Harish Chegondi" <harish.chegondi@intel.com>
Subject: Re: [PATCH 2/2] drm: add fallback override/firmware EDID modes workaround
Date: Mon, 10 Jun 2019 12:32:30 +0300	[thread overview]
Message-ID: <87blz5zsy9.fsf@intel.com> (raw)
In-Reply-To: <0667fc81810f2da5110c7da00963c93da90a6cd7.camel@bonedaddy.net>

On Sat, 08 Jun 2019, Paul Wise <pabs3@bonedaddy.net> wrote:
> On Sat, 2019-06-08 at 13:10 +0800, Paul Wise wrote:
>
>> I've tested these two patches on top of Linux v5.2-rc3 and the EDID
>> override works correctly on an Intel Ironlake GPU with a monitor that
>> lost its EDID a while ago.
>
> While testing I noticed a couple of things:
>
> While everything the GUI is the correct resolution, GNOME is unable to
> identify the monitor vendor or model. This is a regression from the
> previous edid override functionality. It looks like this is because the
> edid file in /sys is not populated with the EDID override data.

Right, I've added a call to drm_connector_update_edid_property() in v2
to address this issue.

> I got a crash due to null pointer dereference at one point, I'll try to
> track down when this happens.

Can't think of why this would happen; the backtrace might offer clues.

Thanks for testing!

BR,
Jani.

-- 
Jani Nikula, Intel Open Source Graphics Center

  reply	other threads:[~2019-06-10  9:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190607110513.12072-1-jani.nikula@intel.com>
2019-06-07 11:05 ` [PATCH 2/2] drm: add fallback override/firmware EDID modes workaround Jani Nikula
2019-06-07 15:10   ` Daniel Vetter
2019-06-08  1:06     ` Paul Wise
2019-06-08  5:10     ` Paul Wise
2019-06-08  5:48       ` Paul Wise
2019-06-10  9:32         ` Jani Nikula [this message]
2019-06-11  8:28           ` Paul Wise
2019-06-08 15:40       ` Paul Wise
2019-06-10  9:30   ` [PATCH v2] " Jani Nikula
2019-06-11  8:27     ` Paul Wise
2019-06-12 10:53       ` Jani Nikula

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