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drm/etnaviv: indirect IOMMU restore through etnaviv MMU

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So we can call the v2 restore code once it is there.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Lucas Stach 2016-08-16 11:54:51 +02:00
parent 99f861bc83
commit e095c8feb8
3 changed files with 11 additions and 1 deletions
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2
drivers/gpu/drm/etnaviv/etnaviv_gpu.c
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@ -569,7 +569,7 @@ static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu)
}
/* setup the MMU */
etnaviv_iommuv1_restore(gpu);
etnaviv_iommu_restore(gpu);
/* Start command processor */
prefetch = etnaviv_buffer_init(gpu);

9
drivers/gpu/drm/etnaviv/etnaviv_mmu.c
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@ -17,6 +17,7 @@
#include "etnaviv_drv.h"
#include "etnaviv_gem.h"
#include "etnaviv_gpu.h"
#include "etnaviv_iommu.h"
#include "etnaviv_mmu.h"
static int etnaviv_fault_handler(struct iommu_domain *iommu, struct device *dev,
@ -281,6 +282,14 @@ struct etnaviv_iommu *etnaviv_iommu_new(struct etnaviv_gpu *gpu,
return mmu;
}
void etnaviv_iommu_restore(struct etnaviv_gpu *gpu)
{
if (gpu->mmu->version == ETNAVIV_IOMMU_V1)
etnaviv_iommuv1_restore(gpu);
else
dev_err(gpu->dev, "IOMMUv2 restore not implemented\n");
}
size_t etnaviv_iommu_dump_size(struct etnaviv_iommu *iommu)
{
struct etnaviv_iommu_ops *ops;

1
drivers/gpu/drm/etnaviv/etnaviv_mmu.h
View File

@ -67,5 +67,6 @@ void etnaviv_iommu_dump(struct etnaviv_iommu *iommu, void *buf);
struct etnaviv_iommu *etnaviv_iommu_new(struct etnaviv_gpu *gpu,
struct iommu_domain *domain, enum etnaviv_iommu_version version);
void etnaviv_iommu_restore(struct etnaviv_gpu *gpu);
#endif /* __ETNAVIV_MMU_H__ */