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drm/etnaviv: mmuv2: don't map zero page 

Keep the page at address 0 as faulting to catch any potential state
setup issues early.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
This commit is contained in:
Lucas Stach 2018-10-15 14:02:40 +02:00
parent fd4b77e8de
commit ef092dec04
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
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@ -320,8 +320,8 @@ etnaviv_iommuv2_domain_alloc(struct etnaviv_gpu *gpu)
domain = &etnaviv_domain->base;
domain->dev = gpu->dev;
domain->base = 0;
domain->size = (u64)SZ_1G * 4;
domain->base = SZ_4K;
domain->size = (u64)SZ_1G * 4 - SZ_4K;
domain->ops = &etnaviv_iommuv2_ops;
ret = etnaviv_iommuv2_init(etnaviv_domain);