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
