[Mesa-stable] [Mesa-dev] [PATCH] winsys/radeon: only call pb_slabs_reclaim when slabs are actually used

[Marek Olšák]

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

Marek

On Tue, Jun 27, 2017 at 6:19 PM, Nicolai Hähnle <nhaehnle at gmail.com> wrote:
> From: Nicolai Hähnle <nicolai.haehnle at amd.com>
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100242
> Fixes: fb827c055cb1 ("winsys/radeon: enable buffer allocation from slabs")
> Cc: mesa-stable at lists.freedesktop.org
> ---
>  src/gallium/winsys/radeon/drm/radeon_drm_bo.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
> index 9bbf1b3..2700c6f 100644
> --- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
> +++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
> @@ -1020,21 +1020,22 @@ no_slab:
>
>      bo = radeon_bo(pb_cache_reclaim_buffer(&ws->bo_cache, size, alignment,
>                                             usage, pb_cache_bucket));
>      if (bo)
>          return &bo->base;
>
>      bo = radeon_create_bo(ws, size, alignment, usage, domain, flags,
>                            pb_cache_bucket);
>      if (!bo) {
>          /* Clear the cache and try again. */
> -        pb_slabs_reclaim(&ws->bo_slabs);
> +        if (ws->info.has_virtual_memory)
> +            pb_slabs_reclaim(&ws->bo_slabs);
>          pb_cache_release_all_buffers(&ws->bo_cache);
>          bo = radeon_create_bo(ws, size, alignment, usage, domain, flags,
>                                pb_cache_bucket);
>          if (!bo)
>              return NULL;
>      }
>
>      bo->u.real.use_reusable_pool = true;
>
>      mtx_lock(&ws->bo_handles_mutex);
> --
> 2.9.3
>
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