[PATCH 1/2] drm/amd/powerplay: add ECC feature bit

Quan, Evan Evan.Quan at amd.com
Tue Mar 26 10:15:12 UTC 2019


Ping..

> -----Original Message-----
> From: Evan Quan <evan.quan at amd.com>
> Sent: 2019年3月23日 2:06
> To: amd-gfx at lists.freedesktop.org
> Cc: Quan, Evan <Evan.Quan at amd.com>
> Subject: [PATCH 1/2] drm/amd/powerplay: add ECC feature bit
> 
> It's OK to have this feature bit with old SMU firmwares.
> But the feature should be disabled on them.
> 
> Change-Id: I6fb4869ef454ea7b6d01cf368b457be01eeb5058
> Signed-off-by: Evan Quan <evan.quan at amd.com>
> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c  | 10
> +++++++++-  drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h  |
> 1 +  drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h |  3 ++-
>  3 files changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> index fac7a5df7c27..49be888fcd50 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> @@ -91,6 +91,12 @@ static void vega20_set_default_registry_data(struct
> pp_hwmgr *hwmgr)
>  	 *   MP0CLK DS
>  	 */
>  	data->registry_data.disallowed_features = 0xE0041C00;
> +	/* ECC feature should be disabled on old SMUs */
> +	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion);
> +	hwmgr->smu_version = smum_get_argument(hwmgr);
> +	if (hwmgr->smu_version < 0x282100)
> +		data->registry_data.disallowed_features |=
> FEATURE_ECC_MASK;
> +
>  	data->registry_data.od_state_in_dc_support = 0;
>  	data->registry_data.thermal_support = 1;
>  	data->registry_data.skip_baco_hardware = 0; @@ -357,6 +363,7 @@
> static void vega20_init_dpm_defaults(struct pp_hwmgr *hwmgr)
>  	data->smu_features[GNLD_DS_MP1CLK].smu_feature_id =
> FEATURE_DS_MP1CLK_BIT;
>  	data->smu_features[GNLD_DS_MP0CLK].smu_feature_id =
> FEATURE_DS_MP0CLK_BIT;
>  	data->smu_features[GNLD_XGMI].smu_feature_id =
> FEATURE_XGMI_BIT;
> +	data->smu_features[GNLD_ECC].smu_feature_id =
> FEATURE_ECC_BIT;
> 
>  	for (i = 0; i < GNLD_FEATURES_MAX; i++) {
>  		data->smu_features[i].smu_feature_bitmap = @@ -3048,7
> +3055,8 @@ static int vega20_get_ppfeature_status(struct pp_hwmgr
> *hwmgr, char *buf)
>  				"FCLK_DS",
>  				"MP1CLK_DS",
>  				"MP0CLK_DS",
> -				"XGMI"};
> +				"XGMI",
> +				"ECC"};
>  	static const char *output_title[] = {
>  				"FEATURES",
>  				"BITMASK",
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
> index a46cdeb7da70..c3890b5e076c 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
> @@ -81,6 +81,7 @@ enum {
>  	GNLD_DS_MP1CLK,
>  	GNLD_DS_MP0CLK,
>  	GNLD_XGMI,
> +	GNLD_ECC,
> 
>  	GNLD_FEATURES_MAX
>  };
> diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
> b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
> index 63d5cf691549..b90089a4fb6a 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
> @@ -99,7 +99,7 @@
>  #define FEATURE_DS_MP1CLK_BIT           30
>  #define FEATURE_DS_MP0CLK_BIT           31
>  #define FEATURE_XGMI_BIT                32
> -#define FEATURE_SPARE_33_BIT            33
> +#define FEATURE_ECC_BIT                 33
>  #define FEATURE_SPARE_34_BIT            34
>  #define FEATURE_SPARE_35_BIT            35
>  #define FEATURE_SPARE_36_BIT            36
> @@ -166,6 +166,7 @@
>  #define FEATURE_DS_MP1CLK_MASK          (1 <<
> FEATURE_DS_MP1CLK_BIT          )
>  #define FEATURE_DS_MP0CLK_MASK          (1 <<
> FEATURE_DS_MP0CLK_BIT          )
>  #define FEATURE_XGMI_MASK               (1 << FEATURE_XGMI_BIT               )
> +#define FEATURE_ECC_MASK                (1ULL << FEATURE_ECC_BIT                )
> 
>  #define DPM_OVERRIDE_DISABLE_SOCCLK_PID             0x00000001
>  #define DPM_OVERRIDE_DISABLE_UCLK_PID               0x00000002
> --
> 2.21.0



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