drm/i915: call kunmap_px on pt_vaddr

From Matthew Auld
44a7102484db0ddfa6f855b57ffe0566f739b55a in mainline linux

Pointed out by Martin Ziemer

diff --git a/sys/dev/pci/drm/i915/i915_gem_gtt.c b/sys/dev/pci/drm/i915/i915_gem_gtt.c
index d11c628..04df47a 100644 (file)
--- a/sys/dev/pci/drm/i915/i915_gem_gtt.c
+++ b/sys/dev/pci/drm/i915/i915_gem_gtt.c
@@ -778,7 +778,7 @@ static void gen8_ppgtt_clear_pte_range(struct i915_address_space *vm,
                        num_entries--;
                }
 
-               kunmap_px(ppgtt, pt);
+               kunmap_px(ppgtt, pt_vaddr);
 
                pte = 0;
                if (++pde == I915_PDES) {