drm/amd/pp: Refine powerplay instance

Include adev in powerplay instance.
so can visit adev directly instand of through cgs interface.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/amd_powerplay.c

@@ -30,6 +30,7 @@
 #include "pp_instance.h"
 #include "power_state.h"
 #include "amdgpu.h"
+#include "hwmgr.h"
 
 #define PP_DPM_DISABLED 0xCCCC
 
@@ -64,13 +65,10 @@ static int amd_powerplay_create(struct amdgpu_device *adev)
 	if (instance == NULL)
 		return -ENOMEM;
 
-	instance->chip_family = adev->family;
-	instance->chip_id = adev->asic_type;
+	instance->parent = adev;
 	instance->pm_en = (amdgpu_dpm != 0 && !amdgpu_sriov_vf(adev)) ? true : false;
-	instance->feature_mask = amdgpu_pp_feature_mask;
 	instance->device = adev->powerplay.cgs_device;
 	mutex_init(&instance->pp_lock);
-
 	adev->powerplay.pp_handle = instance;
 
 	return 0;

drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c

@@ -146,10 +146,11 @@ int hwmgr_early_init(struct pp_instance *handle)
 		return -ENOMEM;
 
 	handle->hwmgr = hwmgr;
+	hwmgr->adev = handle->parent;
 	hwmgr->device = handle->device;
-	hwmgr->chip_family = handle->chip_family;
-	hwmgr->chip_id = handle->chip_id;
-	hwmgr->feature_mask = handle->feature_mask;
+	hwmgr->chip_family = ((struct amdgpu_device *)handle->parent)->family;
+	hwmgr->chip_id = ((struct amdgpu_device *)handle->parent)->asic_type;
+	hwmgr->feature_mask = amdgpu_pp_feature_mask;
 	hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT;
 	hwmgr->power_source = PP_PowerSource_AC;
 	hwmgr->pp_table_version = PP_TABLE_V1;

drivers/gpu/drm/amd/powerplay/inc/hwmgr.h

@@ -700,6 +700,7 @@ enum PP_TABLE_VERSION {
  * The main hardware manager structure.
  */
 struct pp_hwmgr {
+	void *adev;
 	uint32_t chip_family;
 	uint32_t chip_id;
 	uint32_t smu_version;

drivers/gpu/drm/amd/powerplay/inc/pp_instance.h

@@ -23,14 +23,12 @@
 #ifndef _PP_INSTANCE_H_
 #define _PP_INSTANCE_H_
 
-#include "hwmgr.h"
+struct pp_hwmgr;
 
 struct pp_instance {
-	uint32_t chip_family;
-	uint32_t chip_id;
+	void *parent; /* e.g. amdgpu_device */
+	void *device; /* e.g. cgs_device */
 	bool pm_en;
-	uint32_t feature_mask;
-	void *device;
 	struct pp_hwmgr *hwmgr;
 	struct mutex pp_lock;
 };