X-Git-Url: https://rtime.felk.cvut.cz/gitweb/linux-imx.git/blobdiff_plain/59240ee3e8f0dbd3d35db90cc4960143cb14be85..6c0d112f1fb4abba724065daa8ffbc9f0e171dc1:/drivers/gpu/drm/radeon/radeon_gem.c

diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index f38fbcc46935..dfee7bb03ab0 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;
@@ -60,6 +61,15 @@ 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;
+	}
+
 	r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, NULL, &robj);
 	if (r) {
 		if (r != -ERESTARTSYS)