Re: [PATCH] drm/amdgpu: fix PSP autoload twice in FLR

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On 2020-07-27 7:03 a.m., Liu ChengZhe wrote:
> the block->status.hw = false assignment will overwrite PSP's previous
> hw status, which will cause PSP execute resume operation after hw init.
> 
> Signed-off-by: Liu ChengZhe <ChengZhe.Liu@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 62ecac97fbd2..88c681957d39 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -2574,6 +2574,10 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev)
>  		AMD_IP_BLOCK_TYPE_IH,
>  	};
>  
> +	for (i = 0; i < adev->num_ip_blocks; i++) {
> +		adev->ip_blocks[i].status.hw = false;
> +	}
> +

Braces surrounding a single statement block are unnecessary
and "checkpatch" complains about it. Just remote the braces
around a single statement block in loops.

Regards,
Luben

>  	for (i = 0; i < ARRAY_SIZE(ip_order); i++) {
>  		int j;
>  		struct amdgpu_ip_block *block;
> @@ -2581,7 +2585,6 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev)
>  		for (j = 0; j < adev->num_ip_blocks; j++) {
>  			block = &adev->ip_blocks[j];
>  
> -			block->status.hw = false;
>  			if (block->version->type != ip_order[i] ||
>  				!block->status.valid)
>  				continue;
> 

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