drm/nv50: fix vram ptes on IGPs to point at stolen system memory

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 134fedbb7669..2dc09dbd817d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -291,7 +291,13 @@ nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size,
 
         virt = ((virt - dev_priv->vm_vram_base) >> 16) << 1;
         size = (size >> 16) << 1;
-        phys |= ((uint64_t)flags << 32) | 1;
+
+        phys |= ((uint64_t)flags << 32);
+        phys |= 1;
+        if (dev_priv->vram_sys_base) {
+                phys += dev_priv->vram_sys_base;
+                phys |= 0x30;
+        }
 
         dev_priv->engine.instmem.prepare_access(dev, true);
         while (size) {