[PATCH 02/10] drm/etnaviv: mmuv2: don't map zero page
Lucas Stach
l.stach at pengutronix.de
Wed Dec 19 14:45:38 UTC 2018
Keep the page at address 0 as faulting to catch any potential state
setup issues early.
Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
index f1c88d8ad5ba..f794e04be9e6 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
@@ -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);
--
2.19.1
More information about the dri-devel
mailing list