drm/amd/powerplay: set default fclk for no fclk dpm support case

Set the default fclk as what we got from VBIOS.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -545,6 +545,9 @@ static void pp_atomfwctrl_copy_vbios_bootup_values_3_2(struct pp_hwmgr *hwmgr,
 
 	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_DCLK_ID, SMU11_SYSPLL0_ID, &frequency))
 		boot_values->ulDClk     = frequency;
+
+	if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL1_0_FCLK_ID, SMU11_SYSPLL1_2_ID, &frequency))
+		boot_values->ulFClk     = frequency;
 }
 
 static void pp_atomfwctrl_copy_vbios_bootup_values_3_1(struct pp_hwmgr *hwmgr,

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

@@ -139,6 +139,7 @@ struct pp_atomfwctrl_bios_boot_up_values {
 	uint32_t   ulEClk;
 	uint32_t   ulVClk;
 	uint32_t   ulDClk;
+	uint32_t   ulFClk;
 	uint16_t   usVddc;
 	uint16_t   usVddci;
 	uint16_t   usMvddc;

drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c

@@ -711,8 +711,10 @@ static int vega20_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
 		PP_ASSERT_WITH_CODE(!ret,
 				"[SetupDefaultDpmTable] failed to get fclk dpm levels!",
 				return ret);
-	} else
-		dpm_table->count = 0;
+	} else {
+		dpm_table->count = 1;
+		dpm_table->dpm_levels[0].value = data->vbios_boot_state.fclock / 100;
+	}
 	vega20_init_dpm_state(&(dpm_table->dpm_state));
 
 	/* save a copy of the default DPM table */
@@ -754,6 +756,7 @@ static int vega20_init_smc_table(struct pp_hwmgr *hwmgr)
 	data->vbios_boot_state.eclock = boot_up_values.ulEClk;
 	data->vbios_boot_state.vclock = boot_up_values.ulVClk;
 	data->vbios_boot_state.dclock = boot_up_values.ulDClk;
+	data->vbios_boot_state.fclock = boot_up_values.ulFClk;
 	data->vbios_boot_state.uc_cooling_id = boot_up_values.ucCoolingID;
 
 	smum_send_msg_to_smc_with_parameter(hwmgr,

drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h

@@ -219,6 +219,7 @@ struct vega20_vbios_boot_state {
 	uint32_t    eclock;
 	uint32_t    dclock;
 	uint32_t    vclock;
+	uint32_t    fclock;
 };
 
 #define DPMTABLE_OD_UPDATE_SCLK     0x00000001