[Mesa-dev] [PATCH] etnaviv: Use write combine instead of unached mappings for shader bo

[Lucas Stach]

Am Montag, den 01.10.2018, 18:37 +0200 schrieb Guido Günther:
> The later are sensitive to unalligned accesses on arm64[1] and we don't
> need an uncached mapping here.
> 
> [1]: https://lists.freedesktop.org/archives/etnaviv/2018-September/001956.html
> 
> > Signed-off-by: Guido Günther <guido.gunther at puri.sm>
> ---
>  src/gallium/drivers/etnaviv/etnaviv_shader.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_shader.c b/src/gallium/drivers/etnaviv/etnaviv_shader.c
> index 04ababc801f..27c735b83bd 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_shader.c
> +++ b/src/gallium/drivers/etnaviv/etnaviv_shader.c
> @@ -41,7 +41,7 @@ static bool etna_icache_upload_shader(struct etna_context *ctx, struct etna_shad
>  {
>     if (v->bo)
>        return true;
> -   v->bo = etna_bo_new(ctx->screen->dev, v->code_size*4, DRM_ETNA_GEM_CACHE_UNCACHED);
> +   v->bo = etna_bo_new(ctx->screen->dev, v->code_size*4, DRM_ETNA_GEM_CACHE_WC);
>     if (!v->bo)
>        return false;

Thanks, pushed to mesa master.

Regards,
Lucas