[PATCH] drm/etnaviv: don't truncate physical page address

[Philipp Zabel]

Hi Lucas,

On Do, 2022-09-15 at 16:19 +0200, Lucas Stach wrote:
> While the interface for the MMU mapping takes phys_addr_t to hold a
> full 64bit address when necessary and MMUv2 is able to map physical
> addresses with up to 40bit, etnaviv_iommu_map() truncates the address
> to 32bits. Fix this by using the correct type.
> 
> Fixes: 931e97f3afd8 ("drm/etnaviv: mmuv2: support 40 bit phys address")
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> ---
>  drivers/gpu/drm/etnaviv/etnaviv_mmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
> index dc1aa738c4f1..2ff80d5ccf07 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
> @@ -80,7 +80,7 @@ static int etnaviv_iommu_map(struct etnaviv_iommu_context *context, u32 iova,
>  		return -EINVAL;
>  
> 
>  	for_each_sgtable_dma_sg(sgt, sg, i) {
> -		u32 pa = sg_dma_address(sg) - sg->offset;
> +		phys_addr_t pa = sg_dma_address(sg) - sg->offset;
>  		size_t bytes = sg_dma_len(sg) + sg->offset;
>  
> 
>  		VERB("map[%d]: %08x %08x(%zx)", i, iova, pa, bytes);
                                    ^^^^                 ^^
Use %pap, &pa here?

regards
Philipp