From: Christian König <christian.koenig@amd.com>
Date: Wed, 28 May 2014 10:24:17 +0000 (+0200)
Subject: drm/radeon: only allocate necessary size for vm bo list
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7d95f6cc4ef73572a43d4a0a1907a13ace17a62a;p=openwrt%2Fstaging%2Fblogic.git

drm/radeon: only allocate necessary size for vm bo list

No need to always allocate the theoretical maximum here.

Signed-off-by: Christian König <christian.koenig@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index d9ab99f47612..1f426696de36 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -130,10 +130,10 @@ struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
 					  struct list_head *head)
 {
 	struct radeon_cs_reloc *list;
-	unsigned i, idx, size;
+	unsigned i, idx;
 
-	size = (radeon_vm_num_pdes(rdev) + 1) * sizeof(struct radeon_cs_reloc);
-	list = kmalloc(size, GFP_KERNEL);
+	list = kmalloc_array(vm->max_pde_used + 1,
+			     sizeof(struct radeon_cs_reloc), GFP_KERNEL);
 	if (!list)
 		return NULL;