[PATCH 03/11] drm/amdgpu: Optimize amdgpu_hdp_ras_late_init/amdgpu_hdp_ras_fini function code

[Chai, Thomas]

[AMD Official Use Only]



-----Original Message-----
From: Zhou1, Tao <Tao.Zhou1 at amd.com> 
Sent: Wednesday, February 9, 2022 4:54 PM
To: Chai, Thomas <YiPeng.Chai at amd.com>; amd-gfx at lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Clements, John <John.Clements at amd.com>
Subject: RE: [PATCH 03/11] drm/amdgpu: Optimize amdgpu_hdp_ras_late_init/amdgpu_hdp_ras_fini function code

[AMD Official Use Only]



> -----Original Message-----
> From: Chai, Thomas <YiPeng.Chai at amd.com>
> Sent: Wednesday, February 9, 2022 1:57 PM
> To: amd-gfx at lists.freedesktop.org
> Cc: Chai, Thomas <YiPeng.Chai at amd.com>; Zhang, Hawking 
> <Hawking.Zhang at amd.com>; Zhou1, Tao <Tao.Zhou1 at amd.com>; Clements, 
> John <John.Clements at amd.com>; Chai, Thomas <YiPeng.Chai at amd.com>
> Subject: [PATCH 03/11] drm/amdgpu: Optimize 
> amdgpu_hdp_ras_late_init/amdgpu_hdp_ras_fini function code
> 
> Optimize amdgpu_hdp_ras_late_init/amdgpu_hdp_ras_fini function code.
> 
> Signed-off-by: yipechai <YiPeng.Chai at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c | 37 ++-----------------------
>  drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c   |  1 +
>  drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c   |  1 +
>  3 files changed, 5 insertions(+), 34 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c
> index 518966a26130..21a5f884dd2a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c
> @@ -26,43 +26,12 @@
> 
>  int amdgpu_hdp_ras_late_init(struct amdgpu_device *adev, void *ras_info)  {
> -	int r;
> -	struct ras_ih_if ih_info = {
> -		.cb = NULL,
> -	};
> -	struct ras_fs_if fs_info = {
> -		.sysfs_name = "hdp_err_count",
> -	};
> -
> -	if (!adev->hdp.ras_if) {
> -		adev->hdp.ras_if = kmalloc(sizeof(struct ras_common_if),
> GFP_KERNEL);
> -		if (!adev->hdp.ras_if)
> -			return -ENOMEM;
> -		adev->hdp.ras_if->block = AMDGPU_RAS_BLOCK__HDP;
> -		adev->hdp.ras_if->type =
> AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
> -		adev->hdp.ras_if->sub_block_index = 0;
> -	}
> -	ih_info.head = fs_info.head = *adev->hdp.ras_if;
> -	r = amdgpu_ras_late_init(adev, adev->hdp.ras_if,
> -				 &fs_info, &ih_info);
> -	if (r || !amdgpu_ras_is_supported(adev, adev->hdp.ras_if->block)) {
> -		kfree(adev->hdp.ras_if);
> -		adev->hdp.ras_if = NULL;
> -	}
> -
> -	return r;
> +	return amdgpu_ras_block_late_init(adev, adev->hdp.ras_if);
>  }
> 
>  void amdgpu_hdp_ras_fini(struct amdgpu_device *adev)  {
>  	if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__HDP) &&
> -	    adev->hdp.ras_if) {
> -		struct ras_common_if *ras_if = adev->hdp.ras_if;
> -		struct ras_ih_if ih_info = {
> -			.cb = NULL,
> -		};
> -
> -		amdgpu_ras_late_fini(adev, ras_if, &ih_info);
> -		kfree(ras_if);
> -	}
> +	    adev->hdp.ras_if)
> +		amdgpu_ras_block_late_fini(adev, adev->hdp.ras_if);
>  }
>[Tao]: Since hdp_ras_late_init/fini are simple wrapper, can we remove them and call amdgpu_ras_block_late_init/fini directly?
>The same comment to other blocks.

[Thomas] Compared with amdgpu_ras_block_late_init/fin,  hdp_ras_late_init/fini have different function interface parameters.
                 But can do it as a new ticket later.

> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> index af873c99d5e4..b12fe6703f02 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> @@ -1302,6 +1302,7 @@ static void gmc_v9_0_set_hdp_ras_funcs(struct 
> amdgpu_device *adev)  {
>  	adev->hdp.ras = &hdp_v4_0_ras;
>  	amdgpu_ras_register_ras_block(adev, &adev->hdp.ras->ras_block);
> +	adev->hdp.ras_if = &adev->hdp.ras->ras_block.ras_comm;
>  }
> 
>  static void gmc_v9_0_set_mca_funcs(struct amdgpu_device *adev) diff 
> --git a/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
> b/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
> index 503c292b321e..a9ed4232cdeb 100644
> --- a/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
> @@ -160,6 +160,7 @@ struct amdgpu_hdp_ras hdp_v4_0_ras = {
>  		.ras_comm = {
>  			.name = "hdp",
>  			.block = AMDGPU_RAS_BLOCK__HDP,
> +			.type =
> AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
>  		},
>  		.hw_ops = &hdp_v4_0_ras_hw_ops,
>  		.ras_late_init = amdgpu_hdp_ras_late_init,
> --
> 2.25.1