From d8f80c8dcd82b78792a5f2f56ff5a81587802ef0 Mon Sep 17 00:00:00 2001 From: "Xiang, Haihao" Date: Tue, 16 Nov 2010 10:15:56 +0800 Subject: [PATCH] i965_drv_video: fix mpeg2 decoding on Sandybridge Signed-off-by: Xiang, Haihao --- gen6_mfd.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/gen6_mfd.c b/gen6_mfd.c index c6fab96..71d9944 100644 --- a/gen6_mfd.c +++ b/gen6_mfd.c @@ -1181,12 +1181,19 @@ gen6_mfd_mpeg2_decode_init(VADriverContextP ctx, struct decode_state *decode_sta } /* reference picture */ - gen6_mfd_context->reference_surface[0].surface_id = pic_param->forward_reference_picture; + obj_surface = SURFACE(pic_param->forward_reference_picture); - if (pic_param->backward_reference_picture == VA_INVALID_ID) - gen6_mfd_context->reference_surface[1].surface_id = pic_param->forward_reference_picture; + if (obj_surface && obj_surface->bo) + gen6_mfd_context->reference_surface[0].surface_id = pic_param->forward_reference_picture; else + gen6_mfd_context->reference_surface[0].surface_id = VA_INVALID_ID; + + obj_surface = SURFACE(pic_param->backward_reference_picture); + + if (obj_surface && obj_surface->bo) gen6_mfd_context->reference_surface[1].surface_id = pic_param->backward_reference_picture; + else + gen6_mfd_context->reference_surface[1].surface_id = pic_param->forward_reference_picture; /* must do so !!! */ for (i = 2; i < ARRAY_ELEMS(gen6_mfd_context->reference_surface); i++) -- 2.7.4