[Mesa-dev] [PATCH v2 25/25] radeonsi: shrink the GSVS ring to account for the reduced item sizes

[Marek Olšák]

For the rest:

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

Marek

On Tue, Dec 6, 2016 at 11:48 AM, Nicolai Hähnle <nhaehnle at gmail.com> wrote:
> From: Nicolai Hähnle <nicolai.haehnle at amd.com>
>
> ---
>  src/gallium/drivers/radeonsi/si_state_shaders.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
> index 151ed17..4a7f638 100644
> --- a/src/gallium/drivers/radeonsi/si_state_shaders.c
> +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
> @@ -1954,21 +1954,21 @@ static bool si_update_gs_ring_buffers(struct si_context *sctx)
>         unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se;
>
>         /* Calculate the minimum size. */
>         unsigned min_esgs_ring_size = align(es->esgs_itemsize * gs_vertex_reuse *
>                                             wave_size, alignment);
>
>         /* These are recommended sizes, not minimum sizes. */
>         unsigned esgs_ring_size = max_gs_waves * 2 * wave_size *
>                                   es->esgs_itemsize * gs->gs_input_verts_per_prim;
>         unsigned gsvs_ring_size = max_gs_waves * 2 * wave_size *
> -                                 gs->max_gsvs_emit_size * (gs->max_gs_stream + 1);
> +                                 gs->max_gsvs_emit_size;
>
>         min_esgs_ring_size = align(min_esgs_ring_size, alignment);
>         esgs_ring_size = align(esgs_ring_size, alignment);
>         gsvs_ring_size = align(gsvs_ring_size, alignment);
>
>         esgs_ring_size = CLAMP(esgs_ring_size, min_esgs_ring_size, max_size);
>         gsvs_ring_size = MIN2(gsvs_ring_size, max_size);
>
>         /* Some rings don't have to be allocated if shaders don't use them.
>          * (e.g. no varyings between ES and GS or GS and VS)
> --
> 2.7.4
>
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