diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a2xx_gpummu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a2xx_gpummu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpummu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpummu.c index 4280f71e472a..0407c9bc8c1b 100644 --- a/drivers/gpu/drm/msm/adreno/a2xx_gpummu.c +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpummu.c @@ -29,13 +29,16 @@ static void a2xx_gpummu_detach(struct msm_mmu *mmu) } static int a2xx_gpummu_map(struct msm_mmu *mmu, uint64_t iova, - struct sg_table *sgt, size_t len, int prot) + struct sg_table *sgt, size_t off, size_t len, + int prot) { struct a2xx_gpummu *gpummu = to_a2xx_gpummu(mmu); unsigned idx = (iova - GPUMMU_VA_START) / GPUMMU_PAGE_SIZE; struct sg_dma_page_iter dma_iter; unsigned prot_bits = 0; + WARN_ON(off != 0); + if (prot & IOMMU_WRITE) prot_bits |= 1; if (prot & IOMMU_READ) |