2016-04-09 13:00:36

by enpengxu

Subject: [PATCH] fix bug in function gen8_ppgtt_clear_range, passed wrong ptr to kunmap_px.

From: Enpeng Xu <[email protected]>

Signed-off-by: Enpeng Xu <[email protected]>
---
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 49e4f26..527eca7 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) {
--
2.1.0

2016-04-09 15:25:58

by Matthew Auld

Subject: Re: [Intel-gfx] [PATCH] fix bug in function gen8_ppgtt_clear_range, passed wrong ptr to kunmap_px.

There's already a patch in the works for this:
https://patchwork.freedesktop.org/patch/80078/

Regards,
Matt