This is a note to let you know that I've just added the patch titled drm/amd/display: Don't set dpms_off for seamless boot to the 6.5-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-display-don-t-set-dpms_off-for-seamless-boot.patch and it can be found in the queue-6.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 23645bca98304a2772f0de96f97370dd567d0ae6 Mon Sep 17 00:00:00 2001 From: Daniel Miess <daniel.miess@xxxxxxx> Date: Fri, 29 Sep 2023 13:04:33 -0400 Subject: drm/amd/display: Don't set dpms_off for seamless boot From: Daniel Miess <daniel.miess@xxxxxxx> commit 23645bca98304a2772f0de96f97370dd567d0ae6 upstream. [Why] eDPs fail to light up with seamless boot enabled [How] When seamless boot is enabled don't configure dpms_off in disable_vbios_mode_if_required. Reviewed-by: Charlene Liu <charlene.liu@xxxxxxx> Cc: Mario Limonciello <mario.limonciello@xxxxxxx> Cc: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx> Signed-off-by: Daniel Miess <daniel.miess@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1263,6 +1263,9 @@ static void disable_vbios_mode_if_requir if (stream == NULL) continue; + if (stream->apply_seamless_boot_optimization) + continue; + // only looking for first odm pipe if (pipe->prev_odm_pipe) continue; Patches currently in stable-queue which might be from daniel.miess@xxxxxxx are queue-6.5/drm-amd-display-don-t-set-dpms_off-for-seamless-boot.patch