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

[Deucher, Alexander]

[AMD Official Use Only - Internal Distribution Only]

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Tested-by: Alex Deucher <alexander.deucher at amd.com>

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Evan Quan <evan.quan at amd.com>
Sent: Thursday, March 25, 2021 12:18 AM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Quan, Evan <Evan.Quan at amd.com>
Subject: [PATCH] drm/amd/pm: no need to force MCLK to highest when no display connected

Correct the check for vblank short.

Change-Id: I0eb3a6bd95b7f6d97029772914154324c8ccd2c0
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
index 7edafef095a3..301b6769f007 100644
--- 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(struct pp_hwmgr *hwmgr,

         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;
--
2.29.0

_______________________________________________
amd-gfx mailing list
amd-gfx at lists.freedesktop.org
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Calexander.deucher%40amd.com%7C96ae73006f284dd59a5d08d8ef452656%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637522427565407677%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=3S%2FkGh8zi1uLEonF3G4kWmozbBPazZJeuwTNAFhRgdQ%3D&reserved=0
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20210325/71cb58d8/attachment.htm>