RE: [PATCH v2] drm/amd/powerplay: return errno code to caller when error occur

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Reviewed-by: Evan Quan <evan.quan@xxxxxxx>

> -----Original Message-----
> From: Chen Wandun <chenwandun@xxxxxxxxxx>
> Sent: Monday, November 18, 2019 4:04 PM
> To: Quan, Evan <Evan.Quan@xxxxxxx>; Deucher, Alexander
> <Alexander.Deucher@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: chenwandun@xxxxxxxxxx
> Subject: [PATCH v2] drm/amd/powerplay: return errno code to caller when
> error occur
> 
> return errno code to caller when error occur, and meanwhile remove gcc '-
> Wunused-but-set-variable' warning.
> 
> drivers/gpu/drm/amd/amdgpu/../powerplay/smumgr/vegam_smumgr.c: In
> function vegam_populate_smc_boot_level:
> drivers/gpu/drm/amd/amdgpu/../powerplay/smumgr/vegam_smumgr.c:1364:
> 6: warning: variable result set but not used [-Wunused-but-set-variable]
> 
> Signed-off-by: Chen Wandun <chenwandun@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
> b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
> index 2068eb0..50896e9 100644
> --- a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
> @@ -1371,11 +1371,16 @@ static int vegam_populate_smc_boot_level(struct
> pp_hwmgr *hwmgr,
>  	result = phm_find_boot_level(&(data->dpm_table.sclk_table),
>  			data->vbios_boot_state.sclk_bootup_value,
>  			(uint32_t *)&(table->GraphicsBootLevel));
> +	if (result)
> +		return result;
> 
>  	result = phm_find_boot_level(&(data->dpm_table.mclk_table),
>  			data->vbios_boot_state.mclk_bootup_value,
>  			(uint32_t *)&(table->MemoryBootLevel));
> 
> +	if (result)
> +		return result;
> +
>  	table->BootVddc  = data->vbios_boot_state.vddc_bootup_value *
>  			VOLTAGE_SCALE;
>  	table->BootVddci = data->vbios_boot_state.vddci_bootup_value *
> --
> 2.7.4

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