drm/radeon: move size limits to gem_object_create.
Driver internal users shouldn't be limited in their allocation size.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index f38fbcc..dfee7bb 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -53,6 +53,7 @@
struct drm_gem_object **obj)
{
struct radeon_bo *robj;
+ unsigned long max_size;
int r;
*obj = NULL;
@@ -60,6 +61,15 @@
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)