[PATCH v5 02/12] drm/amdgpu: add helper function amdgpu_ip_block_suspend

[Christian König]

Am 17.10.24 um 18:25 schrieb Sunil Khatri:
> Use the helper function amdgpu_ip_block_suspend where
> same checks and calls are repeated.

I strongly suggest to squash this patch and the next one together.

>
> Signed-off-by: Sunil Khatri<sunil.khatri at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu.h        |  1 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 17 +++++++++++++++++
>   2 files changed, 18 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 48c9b9b06905..df57efa019ba 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -364,6 +364,7 @@ int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
>   				   enum amd_ip_block_type block_type);
>   bool amdgpu_device_ip_is_valid(struct amdgpu_device *adev,
>   			      enum amd_ip_block_type block_type);
> +int amdgpu_ip_block_suspend(struct amdgpu_ip_block *ip_block);
>   
>   #define AMDGPU_MAX_IP_NUM 16
>   
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index b7277bef7463..f69aba68e7b1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -272,6 +272,23 @@ void amdgpu_reg_state_sysfs_fini(struct amdgpu_device *adev)
>   	sysfs_remove_bin_file(&adev->dev->kobj, &bin_attr_reg_state);
>   }
>   
> +int amdgpu_ip_block_suspend(struct amdgpu_ip_block *ip_block)
> +{
> +	int r;
> +
> +	if (ip_block->version->funcs->suspend) {
> +		r = ip_block->version->funcs->suspend(ip_block);
> +		if (r) {
> +			dev_err(ip_block->adev->dev,
> +				"suspend of IP block <%s> failed %d\n",
> +				ip_block->version->funcs->name, r);
> +			return r;
> +		}
> +	}

Please add "ip_blocks->status.hw = false;" and remove that from the 
callers as well. Apart from that looks good to me, Christian.
> +
> +	return 0;
> +}
> +
>   /**
>    * DOC: board_info
>    *
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