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Date:   Wed, 1 May 2019 09:02:08 -0400
From:   Sasha Levin <sashal@kernel.org>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        Dave Airlie <airlied@redhat.com>
Subject: Re: [PATCH 5.0 44/89] Revert "drm/i915/fbdev: Actually configure
 untiled displays"
Message-ID: <20190501130208.GA3929@sasha-vm>
References: <20190430113609.741196396@linuxfoundation.org>
 <20190430113611.821040876@linuxfoundation.org>
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On Tue, Apr 30, 2019 at 01:38:35PM +0200, Greg Kroah-Hartman wrote:
>From: Dave Airlie <airlied@redhat.com>
>
>commit 9fa246256e09dc30820524401cdbeeaadee94025 upstream.
>
>This reverts commit d179b88deb3bf6fed4991a31fd6f0f2cad21fab5.
>
>This commit is documented to break userspace X.org modesetting driver in certain configurations.
>
>The X.org modesetting userspace driver is broken. No fixes are available yet. In order for this patch to be applied it either needs a config option or a workaround developed.
>
>This has been reported a few times, saying it's a userspace problem is clearly against the regression rules.
>
>Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109806
>Signed-off-by: Dave Airlie <airlied@redhat.com>
>Cc: <stable@vger.kernel.org> # v3.19+
>Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This commit has a follow-up fix as abbc0697d5fbf ("drm/fb: revert the
i915 Actually configure untiled displays from master").

--
Thanks,
Sasha