[Intel-gfx] [PATCH 4/5] drm/i915: call kunmap_px on pt_vaddr

[Matthew Auld]

We need to kunmap pt_vaddr and not pt itself, otherwise we end up
mapping a bunch of pages without ever unmapping them.

Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Signed-off-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 6601b11..7aef7bf 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -746,7 +746,7 @@ 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) {
-- 
2.4.11