From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Kurt Garloff <kurt@garloff.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
stable@vger.kernel.org, intel-gfx@lists.freedesktop.org
Subject: Re: 6.1.23: 0fc6fea41c71 breaks GPD Pocket 3 modeset
Date: Tue, 2 May 2023 16:13:55 +0300 [thread overview]
Message-ID: <ZFEMkypQy1I4vprK@intel.com> (raw)
In-Reply-To: <4115dc28-45b6-cad1-1e38-39e5a0484a8a@garloff.de>
On Sat, Apr 29, 2023 at 09:55:45PM +0200, Kurt Garloff wrote:
> Hi Ville,
>
> While
> 0fc6fea41c71 drm/i915: Disable DC states for all commits
> (cherry picked from commit 41b4c7fe72b6105a4b49395eea9aa40cef94288d)
> does look correct to me, it does break modesetting on the GPD Pocket 3,
> a i7-1195G7 laptop. I run the kernel with
> fbcon=rotate:1 video=DSI-1:panel_orientation=right_side_up \
> mem_sleep_default=s2idle
> No special i915 parameters.
> Hardware is described here:
> https://wiki.archlinux.org/title/GPD_Pocket_3
>
> I disected this patch which was merged (backported) for 6.1.23.
> I currently run 6.1.26 with it reverted.
>
> Without reverting it, when fbcon is switched to show the splash
> screen (GPD logo with Ubuntu added in on working kernels), the
> screen remains black (backlight on, but nothing displayed) and
> nothing happens any more.
Please file a bug at
https://gitlab.freedesktop.org/drm/intel/issues/new
Boot both kernels (revert vs. no revert), passing
'drm.debug=0xe log_buf_len=4M' to the kernel cmdline,
and attach the resulting dmesg from each to the bug.
Also would be good if you try to reproduce on the
latest drm-tip (git://anongit.freedesktop.org/drm-tip drm-tip)
as well.
--
Ville Syrjälä
Intel
next parent reply other threads:[~2023-05-02 13:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4115dc28-45b6-cad1-1e38-39e5a0484a8a@garloff.de>
2023-05-02 13:13 ` Ville Syrjälä [this message]
2023-05-07 17:27 ` 6.1.23: 0fc6fea41c71 breaks GPD Pocket 3 modeset Kurt Garloff
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