drm/amd/powerplay: add new bit mask to ctrl clock stretch feature.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 9e49f27..a50765d 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -1428,7 +1428,7 @@ static void smu7_init_dpm_defaults(struct pp_hwmgr *hwmgr)
                phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
                                PHM_PlatformCaps_ControlVDDCI);
 
-       if ((hwmgr->pp_table_version != PP_TABLE_V0)
+       if ((hwmgr->pp_table_version != PP_TABLE_V0) && (hwmgr->feature_mask & PP_CLOCK_STRETCH_MASK)
                && (table_info->cac_dtp_table->usClockStretchAmount != 0))
                phm_cap_set(hwmgr->platform_descriptor.platformCaps,
                                        PHM_PlatformCaps_ClockStretcher);

diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index e38b999..36effa1 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -85,7 +85,8 @@ enum PP_FEATURE_MASK {
        PP_SMC_VOLTAGE_CONTROL_MASK = 0x40,
        PP_VBI_TIME_SUPPORT_MASK = 0x80,
        PP_ULV_MASK = 0x100,
-       PP_ENABLE_GFX_CG_THRU_SMU = 0x200
+       PP_ENABLE_GFX_CG_THRU_SMU = 0x200,
+       PP_CLOCK_STRETCH_MASK = 0x400,
 };
 
 enum PHM_BackEnd_Magic {