Revert "drm/amd/display: fix dpms_off issue when disabling bios mode"

This reverts commit 5aa6637.

This causes a blank screen on boot on an Asus G513QY / 6800M laptop.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2259
Cc: Aric Cyr <[email protected]>
Cc: Tom Chung <[email protected]>
Cc: Zhongwei Zhang <[email protected]>
Cc: Harry Wentland <[email protected]>
Tested-by: Mike Lothian <[email protected]>
Reviewed-by: Luben Tuikov <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: alexdeucher

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -1192,7 +1192,7 @@ static void disable_vbios_mode_if_required(
 
 					if (pix_clk_100hz != requested_pix_clk_100hz) {
 						core_link_disable_stream(pipe);
-						pipe->stream->dpms_off = true;
+						pipe->stream->dpms_off = false;
 					}
 				}
 			}