[PATCH 1/6] drm/amdgpu:reduce wb to 512 slot

[ckoenig.leichtzumerken@xxxxxxxxx (Christian König)]

Am 18.10.2017 um 10:48 schrieb Monk Liu:
> with current WB usage we only use 57 slots, so 512
> is extreamly sufficient, and reduce to 512 can
> make WB fit into one page.
>
> Change-Id: I4261630731f132b9bec91b0037e914030b5c031f
> Signed-off-by: Monk Liu <Monk.Liu at amd.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 7ecfc53..4697ba2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -1155,7 +1155,7 @@ static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
>   /*
>    * Writeback
>    */
> -#define AMDGPU_MAX_WB 1024	/* Reserve at most 1024 WB slots for amdgpu-owned rings. */
> +#define AMDGPU_MAX_WB 512	/* Reserve at most 512 WB slots for amdgpu-owned rings. */
>   
>   struct amdgpu_wb {
>   	struct amdgpu_bo	*wb_obj;