drm/amdgpu: always initialize gfx pg for gfx_v8.0.

v2: always init gfx pg for asics that can support.
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>

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -3970,9 +3970,6 @@ static void gfx_v8_0_init_power_gating(struct amdgpu_device *adev)
 {
 	uint32_t data;
 
-	if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG |
-			      AMD_PG_SUPPORT_GFX_SMG |
-			      AMD_PG_SUPPORT_GFX_DMG)) {
 	WREG32_FIELD(CP_RB_WPTR_POLL_CNTL, IDLE_POLL_COUNT, 0x60);
 
 	data = REG_SET_FIELD(0, RLC_PG_DELAY, POWER_UP_DELAY, 0x10);
@@ -3983,7 +3980,7 @@ static void gfx_v8_0_init_power_gating(struct amdgpu_device *adev)
 
 	WREG32_FIELD(RLC_PG_DELAY_2, SERDES_CMD_DELAY, 0x3);
 	WREG32_FIELD(RLC_AUTO_PG_CTRL, GRBM_REG_SAVE_GFX_IDLE_THRESHOLD, 0x55f0);
-	}
+
 }
 
 static void cz_enable_sck_slow_down_on_power_up(struct amdgpu_device *adev,
@@ -4005,18 +4002,11 @@ static void cz_enable_cp_power_gating(struct amdgpu_device *adev, bool enable)
 
 static void gfx_v8_0_init_pg(struct amdgpu_device *adev)
 {
-	if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG |
-			      AMD_PG_SUPPORT_GFX_SMG |
-			      AMD_PG_SUPPORT_GFX_DMG |
-			      AMD_PG_SUPPORT_CP |
-			      AMD_PG_SUPPORT_GDS |
-			      AMD_PG_SUPPORT_RLC_SMU_HS)) {
+	if ((adev->asic_type == CHIP_CARRIZO) ||
+	    (adev->asic_type == CHIP_STONEY)) {
 		gfx_v8_0_init_csb(adev);
 		gfx_v8_0_init_save_restore_list(adev);
 		gfx_v8_0_enable_save_restore_machine(adev);
-
-		if ((adev->asic_type == CHIP_CARRIZO) ||
-		    (adev->asic_type == CHIP_STONEY)) {
 		WREG32(mmRLC_JUMP_TABLE_RESTORE, adev->gfx.rlc.cp_table_gpu_addr >> 8);
 		gfx_v8_0_init_power_gating(adev);
 		WREG32(mmRLC_PG_ALWAYS_ON_CU_MASK, adev->gfx.cu_info.ao_cu_mask);
@@ -4032,9 +4022,12 @@ static void gfx_v8_0_init_pg(struct amdgpu_device *adev)
 		else
 			cz_enable_cp_power_gating(adev, false);
 	} else if (adev->asic_type == CHIP_POLARIS11) {
+		gfx_v8_0_init_csb(adev);
+		gfx_v8_0_init_save_restore_list(adev);
+		gfx_v8_0_enable_save_restore_machine(adev);
 		gfx_v8_0_init_power_gating(adev);
 	}
-	}
+
 }
 
 static void gfx_v8_0_rlc_stop(struct amdgpu_device *adev)