| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.4 036/330] drm/amdgpu/powerplay: fix AVFS handling with custom powerplay table | Date | Thu, 17 Sep 2020 21:56:16 -0400 |
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From: Alex Deucher <alexander.deucher@amd.com>
[ Upstream commit 53dbc27ad5a93932ff1892a8e4ef266827d74a0f ]
When a custom powerplay table is provided, we need to update the OD VDDC flag to avoid AVFS being enabled when it shouldn't be.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=205393 Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index beacfffbdc3eb..ecbc9daea57e0 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -3691,6 +3691,13 @@ static int vega10_set_power_state_tasks(struct pp_hwmgr *hwmgr, PP_ASSERT_WITH_CODE(!result, "Failed to upload PPtable!", return result); + /* + * If a custom pp table is loaded, set DPMTABLE_OD_UPDATE_VDDC flag. + * That effectively disables AVFS feature. + */ + if(hwmgr->hardcode_pp_table != NULL) + data->need_update_dpm_table |= DPMTABLE_OD_UPDATE_VDDC; + vega10_update_avfs(hwmgr); /* -- 2.25.1
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