Bug#925555: linux-image-4.19.0-4-amd64: [regression] No graphics on some IvyBridge / Haswell systems

[Hideki Yamane <henrich@iijmio-mail.jp>]

control: tags -1 +fixed-upstream

Hi,

 It seems that fixed in 4.9.38 as below.

> commit 2bc7ce32eb21b094b3ae3e489017fabfe72b4dda
> Author: Dave Airlie <airlied@redhat.com>
> Date:   Wed Apr 24 10:47:56 2019 +1000
> 
>     Revert "drm/i915/fbdev: Actually configure untiled displays"
>     
>     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>

-- 
Hideki Yamane <henrich@iijmio-mail.jp>