[PATCH] drm/etnaviv: always allocate 4K for kernel ringbuffers

[Christian Gmeiner]

Am Fr., 25. Okt. 2024 um 17:14 Uhr schrieb Lucas Stach <l.stach at pengutronix.de>:
>
> Since the kernel ringbuffers are allocated from a larger suballocated
> area, same as the user commandbufs, they don't need to be CPU page
> sized. Allocate 4KB for the kernel ring buffers, as we never use more
> than that.
>
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>

Reviewed-by: Christian Gmeiner <cgmeiner at igalia.com>

> ---
>  drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> index 7c7f97793ddd..7b39786871b3 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> @@ -848,8 +848,7 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
>                 priv->shm_gfp_mask |= GFP_DMA32;
>
>         /* Create buffer: */
> -       ret = etnaviv_cmdbuf_init(priv->cmdbuf_suballoc, &gpu->buffer,
> -                                 PAGE_SIZE);
> +       ret = etnaviv_cmdbuf_init(priv->cmdbuf_suballoc, &gpu->buffer, SZ_4K);
>         if (ret) {
>                 dev_err(gpu->dev, "could not create command buffer\n");
>                 goto fail;
> --
> 2.39.5
>


-- 
greets
--
Christian Gmeiner, MSc

https://christian-gmeiner.info/privacypolicy