Re: [PATCH RESEND] drm/imagination: Use pvr_vm_context_get()

[Frank Binns <Frank.Binns@imgtec.com>]

On Fri, 2024-08-30 at 15:06 +0000, Matt Coster wrote:
> I missed this open-coded kref_get() while trying to debug a refcount
> bug, so let's use the helper function here to avoid that waste of time
> again in the future.
> 

Reviewed-by: Frank Binns <frank.binns@imgtec.com>

> Signed-off-by: Matt Coster <matt.coster@imgtec.com>
> Fixes: ff5f643de0bf ("drm/imagination: Add GEM and VM related code")
> ---
>  drivers/gpu/drm/imagination/pvr_vm.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c
> index e59517ba039e..ffd466509d0b 100644
> --- a/drivers/gpu/drm/imagination/pvr_vm.c
> +++ b/drivers/gpu/drm/imagination/pvr_vm.c
> @@ -636,9 +636,7 @@ pvr_vm_context_lookup(struct pvr_file *pvr_file, u32 handle)
>  
>  	xa_lock(&pvr_file->vm_ctx_handles);
>  	vm_ctx = xa_load(&pvr_file->vm_ctx_handles, handle);
> -	if (vm_ctx)
> -		kref_get(&vm_ctx->ref_count);
> -
> +	pvr_vm_context_get(vm_ctx);
>  	xa_unlock(&pvr_file->vm_ctx_handles);
>  
>  	return vm_ctx;