[PATCH] drm/msm/gpu: fix bo size for msm_rbmemptrs

[Jordan Crouse]

On Thu, Dec 20, 2018 at 10:47:02AM -0800, Chia-I Wu wrote:
> memptrs_bo is used to store msm_rbmemptrs.  Size it correctly.
> 
> Signed-off-by: Chia-I Wu <olvaffe at gmail.com>

Thanks for your patch. I'm really glad somebody is looking seriously at this
code.  We have this in msm-next:

https://cgit.freedesktop.org/~robclark/linux/commit/?h=msm-next&id=546ec7b471bcae78463426a218b8c7f35bbb71f4

I think that might fix your concern?

Jordan

> ---
>  drivers/gpu/drm/msm/msm_gpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
> index 11aac8337066..d23049eb29c4 100644
> --- a/drivers/gpu/drm/msm/msm_gpu.c
> +++ b/drivers/gpu/drm/msm/msm_gpu.c
> @@ -917,7 +917,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
>  		goto fail;
>  	}
>  
> -	memptrs = msm_gem_kernel_new(drm, sizeof(*gpu->memptrs_bo),
> +	memptrs = msm_gem_kernel_new(drm, sizeof(struct msm_rbmemptrs) * nr_rings,
>  		MSM_BO_UNCACHED, gpu->aspace, &gpu->memptrs_bo,
>  		&memptrs_iova);
>  
> -- 
> 2.18.1
> 
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