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authorAlex Deucher <alexander.deucher@amd.com>2021-04-07 09:28:23 -0400
committerAlex Deucher <alexander.deucher@amd.com>2021-04-09 16:55:02 -0400
commit1f7cfaa3637838332dde29b87e0bc7c10a2f9bf5 (patch)
tree1a7c54e58a6aea6ce73b1da313269005f7b3fd79
parent79f02534810c9557fb3217b538616dc42a1de3b9 (diff)
downloadlinux-1f7cfaa3637838332dde29b87e0bc7c10a2f9bf5.tar.gz
drm/amdgpu/smu7: fix CAC setting on TOPAZ
We need to enable MC CAC for mclk switching to work.

Fixes: d765129a719f ("drm/amd/pm: correct sclk/mclk dpm enablement")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1561
Tested-by: Konstantin Kharlamov <Hi-Angel@yandex.ru>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c3
1 files changed, 2 insertions, 1 deletions
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 301b6769f007..0541bfc81c1b 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -1224,7 +1224,8 @@ static int smu7_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
 		    (hwmgr->chip_id == CHIP_POLARIS10) ||
 		    (hwmgr->chip_id == CHIP_POLARIS11) ||
 		    (hwmgr->chip_id == CHIP_POLARIS12) ||
-		    (hwmgr->chip_id == CHIP_TONGA))
+		    (hwmgr->chip_id == CHIP_TONGA) ||
+		    (hwmgr->chip_id == CHIP_TOPAZ))
 			PHM_WRITE_FIELD(hwmgr->device, MC_SEQ_CNTL_3, CAC_EN, 0x1);