Attachment 102060 Details for Bug 80720 – a workaround for this issue

[patch] a workaround for this issue

gen7_workaround_gpu_hang.patch (text/plain), 1.94 KB, created by haihao on 2014-07-01 08:17:37 UTC

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Creator: haihao

Created: 2014-07-01 08:17:37 UTC

Size: 1.94 KB

patch

obsolete

>diff --git a/src/gen7_mfd.c b/src/gen7_mfd.c
>index 7ab2955..2ba9450 100755
>--- a/src/gen7_mfd.c
>+++ b/src/gen7_mfd.c
>@@ -814,7 +814,7 @@ gen7_mfd_avc_decode_picture(VADriverContextP ctx,
> {
>     struct intel_batchbuffer *batch = gen7_mfd_context->base.batch;
>     VAPictureParameterBufferH264 *pic_param;
>-    VASliceParameterBufferH264 *slice_param, *next_slice_param, *next_slice_group_param;
>+    VASliceParameterBufferH264 *slice_param, *next_slice_param, *next_slice_group_param, *prev_slice_param = NULL;
>     dri_bo *slice_data_bo;
>     int i, j;
> 
>@@ -855,12 +855,16 @@ gen7_mfd_avc_decode_picture(VADriverContextP ctx,
>             else
>                 next_slice_param = next_slice_group_param;
> 
>-            gen7_mfd_avc_directmode_state(ctx, decode_state, pic_param, slice_param, gen7_mfd_context);
>-            gen7_mfd_avc_ref_idx_state(ctx, pic_param, slice_param, gen7_mfd_context);
>-            gen7_mfd_avc_weightoffset_state(ctx, pic_param, slice_param, gen7_mfd_context);
>-            gen7_mfd_avc_slice_state(ctx, pic_param, slice_param, next_slice_param, gen7_mfd_context);
>-            gen7_mfd_avc_bsd_object(ctx, pic_param, slice_param, slice_data_bo, next_slice_param, gen7_mfd_context);
>-            slice_param++;
>+            if (prev_slice_param == NULL ||
>+                prev_slice_param->first_mb_in_slice < slice_param->first_mb_in_slice) {
>+                gen7_mfd_avc_directmode_state(ctx, decode_state, pic_param, slice_param, gen7_mfd_context);
>+                gen7_mfd_avc_ref_idx_state(ctx, pic_param, slice_param, gen7_mfd_context);
>+                gen7_mfd_avc_weightoffset_state(ctx, pic_param, slice_param, gen7_mfd_context);
>+                gen7_mfd_avc_slice_state(ctx, pic_param, slice_param, next_slice_param, gen7_mfd_context);
>+                gen7_mfd_avc_bsd_object(ctx, pic_param, slice_param, slice_data_bo, next_slice_param, gen7_mfd_context);
>+            }
>+
>+            prev_slice_param = slice_param++;
>         }
>     }
>

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