[PATCH] drm/amd/pm: Skip power state allocation

Quan, Evan Evan.Quan at amd.com
Tue Dec 14 07:48:43 UTC 2021


[AMD Official Use Only]

Reviewed-by: Evan Quan <evan.quan at amd.com>

> -----Original Message-----
> From: Lazar, Lijo <Lijo.Lazar at amd.com>
> Sent: Tuesday, December 14, 2021 3:13 PM
> To: amd-gfx at lists.freedesktop.org
> Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Deucher, Alexander
> <Alexander.Deucher at amd.com>; Wang, Yang(Kevin)
> <KevinYang.Wang at amd.com>; Quan, Evan <Evan.Quan at amd.com>
> Subject: [PATCH] drm/amd/pm: Skip power state allocation
> 
> Power states are not valid for arcturus and aldebaran, no need to
> allocate memory.
> 
> Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
> ---
>  drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c  | 10 ----------
>  drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 10 ----------
>  2 files changed, 20 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
> b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
> index 05defeee0c87..58bc387fb279 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
> @@ -295,16 +295,6 @@ static int arcturus_allocate_dpm_context(struct
> smu_context *smu)
>  		return -ENOMEM;
>  	smu_dpm->dpm_context_size = sizeof(struct
> smu_11_0_dpm_context);
> 
> -	smu_dpm->dpm_current_power_state = kzalloc(sizeof(struct
> smu_power_state),
> -				       GFP_KERNEL);
> -	if (!smu_dpm->dpm_current_power_state)
> -		return -ENOMEM;
> -
> -	smu_dpm->dpm_request_power_state = kzalloc(sizeof(struct
> smu_power_state),
> -				       GFP_KERNEL);
> -	if (!smu_dpm->dpm_request_power_state)
> -		return -ENOMEM;
> -
>  	return 0;
>  }
> 
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
> b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
> index 6e781cee8bb6..0907da022197 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
> @@ -262,16 +262,6 @@ static int aldebaran_allocate_dpm_context(struct
> smu_context *smu)
>  		return -ENOMEM;
>  	smu_dpm->dpm_context_size = sizeof(struct
> smu_13_0_dpm_context);
> 
> -	smu_dpm->dpm_current_power_state = kzalloc(sizeof(struct
> smu_power_state),
> -						   GFP_KERNEL);
> -	if (!smu_dpm->dpm_current_power_state)
> -		return -ENOMEM;
> -
> -	smu_dpm->dpm_request_power_state = kzalloc(sizeof(struct
> smu_power_state),
> -						   GFP_KERNEL);
> -	if (!smu_dpm->dpm_request_power_state)
> -		return -ENOMEM;
> -
>  	return 0;
>  }
> 
> --
> 2.25.1


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