[PATCH 5.11 089/152] drm/amd/pm: no need to force MCLK to highest when no display connected

[Greg Kroah-Hartman]

From: Evan Quan <evan.q...@amd.com>

commit acc7baafeb0b52a5b91be64c4776f827a163dda1 upstream.

Correct the check for vblank short.

Signed-off-by: Evan Quan <evan.q...@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Tested-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Cc: sta...@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -3330,7 +3330,8 @@ static int smu7_apply_state_adjust_rules
 
        disable_mclk_switching_for_display = ((1 < 
hwmgr->display_config->num_display) &&
                                                
!hwmgr->display_config->multi_monitor_in_sync) ||
-                                               smu7_vblank_too_short(hwmgr, 
hwmgr->display_config->min_vblank_time);
+                                               
(hwmgr->display_config->num_display &&
+                                               smu7_vblank_too_short(hwmgr, 
hwmgr->display_config->min_vblank_time));
 
        disable_mclk_switching = disable_mclk_switching_for_frame_lock ||
                                         disable_mclk_switching_for_display;