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Commit 6ae9c84f authored by Philipp Zabel's avatar Philipp Zabel Committed by Lucas Stach
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drm/etnaviv: mmuv2: use memset32 to init scratch page 



Replace the open-coded scratch page initialization loop with memset32

Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
parent 9d3cce1e

drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c

+4 −5
Original line number Diff line number Diff line
@@ -119,8 +119,7 @@ static size_t etnaviv_iommuv2_unmap(struct etnaviv_iommu_domain *domain, 


static int etnaviv_iommuv2_init(struct etnaviv_iommuv2_domain *etnaviv_domain)

{

	u32 *p;

	int ret, i;

	int ret;



	/* allocate scratch page */

	etnaviv_domain->base.bad_page_cpu =
@@ -131,9 +130,9 @@ static int etnaviv_iommuv2_init(struct etnaviv_iommuv2_domain *etnaviv_domain) 
		ret = -ENOMEM;

		goto fail_mem;

	}

	p = etnaviv_domain->base.bad_page_cpu;

	for (i = 0; i < SZ_4K / 4; i++)

		*p++ = 0xdead55aa;



	memset32(etnaviv_domain->base.bad_page_cpu, 0xdead55aa,

		 SZ_4K / sizeof(u32));



	etnaviv_domain->pta_cpu = dma_alloc_wc(etnaviv_domain->base.dev,

					       SZ_4K, &etnaviv_domain->pta_dma,