6.5-stable review patch. If anyone has any objections, please let me know. ------------------ 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;