[PATCH 1/2] drm/amd/powerplay: add an new mask to ctrl clock stretch feature.

[Rex Zhu]

 Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>

Change-Id: I80ff8618d314429430ba3db49da83c66da14af29
---
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 2 +-
 drivers/gpu/drm/amd/powerplay/inc/hwmgr.h        | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

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
--- 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
--- 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 {
-- 
1.9.1