[Mesa-dev] [PATCH] winsys/radeon: increase the size of buffer cache

[Michel Dänzer]

On 13.01.2015 00:00, Marek Olšák wrote:
> From: Marek Olšák <marek.olsak at amd.com>
> 
> This should fix this performance regression:
> https://bugs.freedesktop.org/show_bug.cgi?id=88227
> ---
>  src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
> index 75fc80f..72b7931 100644
> --- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
> +++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
> @@ -673,7 +673,7 @@ radeon_drm_winsys_create(int fd, radeon_screen_create_t screen_create)
>          goto fail;
>  
>      ws->cman = pb_cache_manager_create(ws->kman, 1000000, 2.0f, 0,
> -                                       (ws->info.vram_size + ws->info.gart_size) / 8);
> +                                       MIN2(ws->info.vram_size, ws->info.gart_size));
>      if (!ws->cman)
>          goto fail;
>  
> 

I wonder if this couldn't cause trouble for apps which use only VRAM or
GTT (almost) exclusively, but I guess it's worth a try.

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer