Attachment 104061 Details for Bug 81447 – libva-intel-driver patch to fix bug 81447

libva-intel-driver patch to fix bug 81447

0001-Check-first_mb_in_slice-of-the-first-slice.patch (text/plain), 1.38 KB, created by Lizhong on 2014-08-05 08:10:45 UTC

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Creator: Lizhong

Created: 2014-08-05 08:10:45 UTC

Size: 1.38 KB

patch

obsolete

>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
>

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Attachments on bug 81447: 102949 | 102950 | 102951 | 104061

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