Re: [PATCH 6/8] drm: sti: don't pass GFP_DMA32 to dma_alloc_wc

[Benjamin Gaignard]

Le sam. 13 oct. 2018 Ã 17:17, Christoph Hellwig <hch@xxxxxx> a Ãcrit :
>
> The DMA API does its own zone decisions based on the coherent_dma_mask.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Reviewed-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>

> ---
>  drivers/gpu/drm/sti/sti_gdp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
> index c32de6cbf061..cdf0a1396e00 100644
> --- a/drivers/gpu/drm/sti/sti_gdp.c
> +++ b/drivers/gpu/drm/sti/sti_gdp.c
> @@ -517,7 +517,7 @@ static void sti_gdp_init(struct sti_gdp *gdp)
>         /* Allocate all the nodes within a single memory page */
>         size = sizeof(struct sti_gdp_node) *
>             GDP_NODE_PER_FIELD * GDP_NODE_NB_BANK;
> -       base = dma_alloc_wc(gdp->dev, size, &dma_addr, GFP_KERNEL | GFP_DMA);
> +       base = dma_alloc_wc(gdp->dev, size, &dma_addr, GFP_KERNEL);
>
>         if (!base) {
>                 DRM_ERROR("Failed to allocate memory for GDP node\n");
> --
> 2.19.1
>
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-- 
Benjamin Gaignard

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