Merge remote-tracking branch 'linus/master' into staging/for_v3.8

* linus/master: (1428 commits)
  futex: avoid wake_futex() for a PI futex_q
  watchdog: using u64 in get_sample_period()
  writeback: put unused inodes to LRU after writeback completion
  mm: vmscan: check for fatal signals iff the process was throttled
  Revert "mm: remove __GFP_NO_KSWAPD"
  proc: check vma->vm_file before dereferencing
  UAPI: strip the _UAPI prefix from header guards during header installation
  include/linux/bug.h: fix sparse warning related to BUILD_BUG_ON_INVALID
  Linux 3.7-rc7
  powerpc/eeh: Do not invalidate PE properly
  ALSA: hda - Fix build without CONFIG_PM
  of/address: sparc: Declare of_iomap as an extern function for sparc again
  PM / QoS: fix wrong error-checking condition
  bnx2x: remove redundant warning log
  vxlan: fix command usage in its doc
  8139cp: revert "set ring address before enabling receiver"
  MPI: Fix compilation on MIPS with GCC 4.4 and newer
  MIPS: Fix crash that occurs when function tracing is enabled
  MIPS: Merge overlapping bootmem ranges
  jbd: Fix lock ordering bug in journal_unmap_buffer()
  ...

1 files changed, 17 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index f38fbcc46935..fe5c1f6b7957 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -53,6 +53,7 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
 				struct drm_gem_object **obj)
 {
 	struct radeon_bo *robj;
+	unsigned long max_size;
 	int r;
 
 	*obj = NULL;
@@ -60,11 +61,26 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
 	if (alignment < PAGE_SIZE) {
 		alignment = PAGE_SIZE;
 	}
+
+	/* maximun bo size is the minimun btw visible vram and gtt size */
+	max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size);
+	if (size > max_size) {
+		printk(KERN_WARNING "%s:%d alloc size %dMb bigger than %ldMb limit\n",
+		       __func__, __LINE__, size >> 20, max_size >> 20);
+		return -ENOMEM;
+	}
+
+retry:
 	r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, NULL, &robj);
 	if (r) {
-		if (r != -ERESTARTSYS)
+		if (r != -ERESTARTSYS) {
+			if (initial_domain == RADEON_GEM_DOMAIN_VRAM) {
+				initial_domain |= RADEON_GEM_DOMAIN_GTT;
+				goto retry;
+			}
 			DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
 				  size, initial_domain, alignment, r);
+		}
 		return r;
 	}
 	*obj = &robj->gem_base;