From: Li, Xiaowei A <xiaowei.a.li@intel.com>
Date: Fri, 14 Dec 2012 02:05:43 +0000 (+0800)
Subject: vc1: fix bitplane buffer size(HSW)
X-Git-Tag: submit/upstream/20130321.072122~109
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;ds=sidebyside;h=9227acc9451b495516ba467b77702bd17aa11b79;p=profile%2Fivi%2Fvaapi-intel-driver.git

vc1: fix bitplane buffer size(HSW)

This fixes buffer overflow in the newly allocated Gen buffer
that holds VC-1 bitplanes.

Signed-off-by: Li,Xiaowei <xiaowei.a.li@intel.com>
---

diff --git a/src/gen75_mfd.c b/src/gen75_mfd.c
index 2b77f7b..2278a29 100644
--- a/src/gen75_mfd.c
+++ b/src/gen75_mfd.c
@@ -1807,7 +1807,7 @@ gen75_mfd_vc1_decode_init(VADriverContextP ctx,
 
         bo = dri_bo_alloc(i965->intel.bufmgr,
                           "VC-1 Bitplane",
-                          bitplane_width * bitplane_width,
+                          bitplane_width * height_in_mbs,
                           0x1000);
         assert(bo);
         gen7_mfd_context->bitplane_read_buffer.bo = bo;