diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_mm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_mm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_mm.c b/drivers/gpu/drm/i915/i915_mm.c index f5c97a620962..c33bd3d83069 100644 --- a/drivers/gpu/drm/i915/i915_mm.c +++ b/drivers/gpu/drm/i915/i915_mm.c @@ -100,7 +100,7 @@ int remap_io_mapping(struct vm_area_struct *vma, GEM_BUG_ON((vma->vm_flags & EXPECTED_FLAGS) != EXPECTED_FLAGS); - /* We rely on prevalidation of the io-mapping to skip track_pfn(). */ + /* We rely on prevalidation of the io-mapping to skip pfnmap tracking. */ r.mm = vma->vm_mm; r.pfn = pfn; r.prot = __pgprot((pgprot_val(iomap->prot) & _PAGE_CACHE_MASK) | @@ -140,11 +140,11 @@ int remap_io_sg(struct vm_area_struct *vma, }; int err; - /* We rely on prevalidation of the io-mapping to skip track_pfn(). */ + /* We rely on prevalidation of the io-mapping to skip pfnmap tracking. */ GEM_BUG_ON((vma->vm_flags & EXPECTED_FLAGS) != EXPECTED_FLAGS); - while (offset >= sg_dma_len(r.sgt.sgp) >> PAGE_SHIFT) { - offset -= sg_dma_len(r.sgt.sgp) >> PAGE_SHIFT; + while (offset >= r.sgt.max >> PAGE_SHIFT) { + offset -= r.sgt.max >> PAGE_SHIFT; r.sgt = __sgt_iter(__sg_next(r.sgt.sgp), use_dma(iobase)); if (!r.sgt.sgp) return -EINVAL; |