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drm/amdgpu/smu7: fix CAC setting on TOPAZ

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

Fixes: d765129a71 ("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>
This commit is contained in:
Alex Deucher 2021-04-07 09:28:23 -04:00
parent 79f0253481
commit 1f7cfaa363
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
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@ -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);