diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2017-09-07 15:56:01 +0200 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-10-10 11:35:30 +0200 |
| commit | bd2442bc1b4ef3f27dda28edeeb85a8603115a21 (patch) | |
| tree | 4f8b287652875610fe8991cb4237645e1fdd83a3 /drivers/gpu/drm/etnaviv | |
| parent | 1a540490e919bd64a9be35fca5147bbb7b2ac166 (diff) | |
drm/etnaviv: iommuv1: fold pgtable_write into callers
A function doing a single assignment is not really helping the
code flow.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-By: Wladimir J. van der Laan <laanwj@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/etnaviv')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_iommu.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c index 522f6822abee..33084cbc8b27 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c @@ -50,15 +50,6 @@ static struct etnaviv_iommu_domain *to_etnaviv_domain(struct iommu_domain *domai return container_of(domain, struct etnaviv_iommu_domain, domain); } -static void pgtable_write(struct etnaviv_iommu_domain_pgtable *pgtable, - unsigned long iova, phys_addr_t paddr) -{ - /* calcuate index into page table */ - unsigned int index = (iova - GPU_MEM_START) / SZ_4K; - - pgtable->pgtable[index] = paddr; -} - static int __etnaviv_iommu_init(struct etnaviv_iommu_domain *etnaviv_domain) { u32 *p; @@ -114,12 +105,13 @@ static int etnaviv_iommuv1_map(struct iommu_domain *domain, unsigned long iova, phys_addr_t paddr, size_t size, int prot) { struct etnaviv_iommu_domain *etnaviv_domain = to_etnaviv_domain(domain); + unsigned int index = (iova - GPU_MEM_START) / SZ_4K; if (size != SZ_4K) return -EINVAL; spin_lock(&etnaviv_domain->map_lock); - pgtable_write(&etnaviv_domain->pgtable, iova, paddr); + etnaviv_domain->pgtable.pgtable[index] = paddr; spin_unlock(&etnaviv_domain->map_lock); return 0; @@ -129,13 +121,13 @@ static size_t etnaviv_iommuv1_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) { struct etnaviv_iommu_domain *etnaviv_domain = to_etnaviv_domain(domain); + unsigned int index = (iova - GPU_MEM_START) / SZ_4K; if (size != SZ_4K) return -EINVAL; spin_lock(&etnaviv_domain->map_lock); - pgtable_write(&etnaviv_domain->pgtable, iova, - etnaviv_domain->bad_page_dma); + etnaviv_domain->pgtable.pgtable[index] = etnaviv_domain->bad_page_dma; spin_unlock(&etnaviv_domain->map_lock); return SZ_4K; |