drm/amdgpu: Add support of powerplay for picasso

add powerplay support for picasso, treat it the same as raven now.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -171,6 +171,7 @@ int hwmgr_early_init(struct pp_hwmgr *hwmgr)
 	case AMDGPU_FAMILY_RV:
 		switch (hwmgr->chip_id) {
 		case CHIP_RAVEN:
+		case CHIP_PICASSO:
 			hwmgr->od_enabled = false;
 			hwmgr->smumgr_funcs = &smu10_smu_funcs;
 			smu10_init_function_pointers(hwmgr);

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

@@ -832,7 +832,7 @@ static const ATOM_PPLIB_POWERPLAYTABLE *get_powerplay_table(
 	uint16_t size;
 
 	if (!table_addr) {
-		if (hwmgr->chip_id == CHIP_RAVEN) {
+		if (hwmgr->chip_id == CHIP_RAVEN || hwmgr->chip_id == CHIP_PICASSO) {
 			table_addr = &soft_dummy_pp_table[0];
 			hwmgr->soft_pp_table = &soft_dummy_pp_table[0];
 			hwmgr->soft_pp_table_size = sizeof(soft_dummy_pp_table);
@@ -1055,7 +1055,7 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr,
 	hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
 	hwmgr->platform_descriptor.overdriveVDDCStep = 0;
 
-	if (hwmgr->chip_id == CHIP_RAVEN)
+	if (hwmgr->chip_id == CHIP_RAVEN || hwmgr->chip_id == CHIP_PICASSO)
 		return 0;
 
 	/* We assume here that fw_info is unchanged if this call fails.*/
@@ -1595,7 +1595,7 @@ static int pp_tables_initialize(struct pp_hwmgr *hwmgr)
 	int result;
 	const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table;
 
-	if (hwmgr->chip_id == CHIP_RAVEN)
+	if (hwmgr->chip_id == CHIP_RAVEN || hwmgr->chip_id == CHIP_PICASSO)
 		return 0;
 
 	hwmgr->need_pp_table_upload = true;
@@ -1644,7 +1644,7 @@ static int pp_tables_initialize(struct pp_hwmgr *hwmgr)
 
 static int pp_tables_uninitialize(struct pp_hwmgr *hwmgr)
 {
-	if (hwmgr->chip_id == CHIP_RAVEN)
+	if (hwmgr->chip_id == CHIP_RAVEN || hwmgr->chip_id == CHIP_PICASSO)
 		return 0;
 
 	kfree(hwmgr->dyn_state.vddc_dependency_on_sclk);