drm: Add __arm defines to DRM

Add __arm defines to specify behavior specific for
an ARM processor.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2 files changed, 14 insertions, 2 deletions

diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 7783035871e..4fcbc445a8e 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -176,7 +176,7 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
         switch (map->type) {
         case _DRM_REGISTERS:
         case _DRM_FRAME_BUFFER:
-#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__)
+#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) && !defined(__arm__)
                 if (map->offset + (map->size-1) < map->offset ||
                     map->offset < virt_to_phys(high_memory)) {
                         kfree(map);
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index c3b13fb41d0..3778360ecee 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -61,7 +61,7 @@ static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma)
                 tmp = pgprot_writecombine(tmp);
         else
                 tmp = pgprot_noncached(tmp);
-#elif defined(__sparc__)
+#elif defined(__sparc__) || defined(__arm__)
         tmp = pgprot_noncached(tmp);
 #endif
         return tmp;
@@ -601,6 +601,7 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
         }
 
         switch (map->type) {
+#if !defined(__arm__)
         case _DRM_AGP:
                 if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) {
                         /*
@@ -615,20 +616,31 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
                         break;
                 }
                 /* fall through to _DRM_FRAME_BUFFER... */
+#endif
         case _DRM_FRAME_BUFFER:
         case _DRM_REGISTERS:
                 offset = dev->driver->get_reg_ofs(dev);
                 vma->vm_flags |= VM_IO; /* not in core dump */
                 vma->vm_page_prot = drm_io_prot(map->type, vma);
+#if !defined(__arm__)
                 if (io_remap_pfn_range(vma, vma->vm_start,
                                        (map->offset + offset) >> PAGE_SHIFT,
                                        vma->vm_end - vma->vm_start,
                                        vma->vm_page_prot))
                         return -EAGAIN;
+#else
+                if (remap_pfn_range(vma, vma->vm_start,
+                                        (map->offset + offset) >> PAGE_SHIFT,
+                                        vma->vm_end - vma->vm_start,
+                                        vma->vm_page_prot))
+                        return -EAGAIN;
+#endif
+
                 DRM_DEBUG("   Type = %d; start = 0x%lx, end = 0x%lx,"
                           " offset = 0x%llx\n",
                           map->type,
                           vma->vm_start, vma->vm_end, (unsigned long long)(map->offset + offset));
+
                 vma->vm_ops = &drm_vm_ops;
                 break;
         case _DRM_CONSISTENT: