[PATCH 1/8] drm/amd/pp: Refine code for smu7 in powerplay

[Rex Zhu]

1. Add avfs_support in hwmgr to avoid to visit smu backend struct in
   hwmgr.so do not need to include smu7_smumgr.h under hwmgr folder.
2. simplify the list of enum AVFS_BTC_STATUS

Change-Id: I04c769972deff797229339f3ccb1c442b35768a2
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c        | 14 ++------------
 drivers/gpu/drm/amd/powerplay/inc/hwmgr.h               |  2 +-
 drivers/gpu/drm/amd/powerplay/inc/smumgr.h              | 10 +---------
 drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c      |  4 +++-
 drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c |  4 +++-
 5 files changed, 10 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index d4d1d2e..da25e7f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -40,7 +40,6 @@
 
 #include "hwmgr.h"
 #include "smu7_hwmgr.h"
-#include "smu7_smumgr.h"
 #include "smu_ucode_xfer_vi.h"
 #include "smu7_powertune.h"
 #include "smu7_dyn_defaults.h"
@@ -1353,12 +1352,7 @@ static int smu7_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
 
 static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
 {
-	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
-
-	if (smu_data == NULL)
-		return -EINVAL;
-
-	if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
+	if (!hwmgr->avfs_supported)
 		return 0;
 
 	if (enable) {
@@ -1382,13 +1376,9 @@ static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
 
 static int smu7_update_avfs(struct pp_hwmgr *hwmgr)
 {
-	struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
 	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 
-	if (smu_data == NULL)
-		return -EINVAL;
-
-	if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
+	if (!hwmgr->avfs_supported)
 		return 0;
 
 	if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_VDDC) {
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index b151ad85..312fbc3 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -748,7 +748,7 @@ struct pp_hwmgr {
 	struct pp_power_state    *uvd_ps;
 	struct amd_pp_display_configuration display_config;
 	uint32_t feature_mask;
-
+	bool avfs_supported;
 	/* UMD Pstate */
 	bool en_umd_pstate;
 	uint32_t power_profile_mode;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smumgr.h b/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
index 9bba0a0..f0ef02a 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
@@ -28,23 +28,15 @@
 
 enum AVFS_BTC_STATUS {
 	AVFS_BTC_BOOT = 0,
-	AVFS_BTC_BOOT_STARTEDSMU,
 	AVFS_LOAD_VIRUS,
 	AVFS_BTC_VIRUS_LOADED,
 	AVFS_BTC_VIRUS_FAIL,
 	AVFS_BTC_COMPLETED_PREVIOUSLY,
 	AVFS_BTC_ENABLEAVFS,
-	AVFS_BTC_STARTED,
 	AVFS_BTC_FAILED,
-	AVFS_BTC_RESTOREVFT_FAILED,
-	AVFS_BTC_SAVEVFT_FAILED,
 	AVFS_BTC_DPMTABLESETUP_FAILED,
-	AVFS_BTC_COMPLETED_UNSAVED,
-	AVFS_BTC_COMPLETED_SAVED,
-	AVFS_BTC_COMPLETED_RESTORED,
 	AVFS_BTC_DISABLED,
-	AVFS_BTC_NOTSUPPORTED,
-	AVFS_BTC_SMUMSG_ERROR
+	AVFS_BTC_NOTSUPPORTED
 };
 
 enum SMU_TABLE {
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
index 0b2b5d1..573c9be 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
@@ -360,8 +360,10 @@ static bool fiji_is_hw_avfs_present(struct pp_hwmgr *hwmgr)
 
 	if (!atomctrl_read_efuse(hwmgr->device, AVFS_EN_LSB, AVFS_EN_MSB,
 			mask, &efuse)) {
-		if (efuse)
+		if (efuse) {
+			hwmgr->avfs_supported = true;
 			return true;
+		}
 	}
 	return false;
 }
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index 632d1ca..1075ec1 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -357,8 +357,10 @@ static bool polaris10_is_hw_avfs_present(struct pp_hwmgr *hwmgr)
 
 	efuse = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMU_EFUSE_0 + (49*4));
 	efuse &= 0x00000001;
-	if (efuse)
+	if (efuse) {
+		hwmgr->avfs_supported = true;
 		return true;
+	}
 
 	return false;
 }
-- 
1.9.1