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Revert "Revert "libva-intel-driver: add patch to workaround against FD81447""

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This reverts commit bb05fe2427cb6da40f6641a06b76a30ac15c32d3.
This commit is contained in:
Stephan Raue 2014-08-13 02:21:23 +02:00
parent 46a82106af
commit 8c61d5154b
1 changed files with 36 additions and 0 deletions
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36
packages/multimedia/libva-intel-driver/patches/libva-intel-driver-FD81447.patch Normal file
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@ -0,0 +1,36 @@
From a8127c6e60225b0ccad670ecd296860f15efafd5 Mon Sep 17 00:00:00 2001
From: Zhong Li <zhong.li@intel.com>
Date: Tue, 5 Aug 2014 15:58:10 +0800
Subject: [PATCH] Check first_mb_in_slice of the first slice
Cc: zhong.li@intel.com
Check of first_mb_in_slice of the first slice to avoid GPU hang.
FirstMbY and FirstMbX must be 0 if phantom slice is not added.
This is to fix the GPU hang bug: https://bugs.freedesktop.org/show_bug.cgi?id=81447
Signed-off-by: Zhong Li <zhong.li@intel.com>
---
src/i965_decoder_utils.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/i965_decoder_utils.c b/src/i965_decoder_utils.c
index 0af46cb..c861abb 100644
--- a/src/i965_decoder_utils.c
+++ b/src/i965_decoder_utils.c
@@ -824,6 +824,13 @@ intel_decoder_check_avc_parameter(VADriverContextP ctx,
decode_state->reference_objects[i] = obj_surface;
}
+ /* As phantom slice is not supported right now,
+ * discard this frame if first_mb_in_slice of the first slice is not 0
+ */
+ slice_param = (VASliceParameterBufferH264 *)decode_state->slice_params[0]->buffer;
+ if (slice_param->first_mb_in_slice != 0)
+ goto error;
+
for (j = 0; j < decode_state->num_slice_params; j++) {
assert(decode_state->slice_params && decode_state->slice_params[j]->buffer);
slice_param = (VASliceParameterBufferH264 *)decode_state->slice_params[j]->buffer;
--
1.7.9.5