Commit cdcc108a authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/smu7: fix CAC setting on TOPAZ 

We need to enable MC CAC for mclk switching to work.

Fixes: d765129a ("drm/amd/pm: correct sclk/mclk dpm enablement")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1561


Tested-by: default avatarKonstantin Kharlamov <Hi-Angel@yandex.ru>
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 2efc0210

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

+2 −1
Original line number Diff line number Diff line
@@ -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);