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radeonsi/vcn: validate fence handle before using it

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Check if picture fence handle pointer is valid before using.

Fixes: 843bdd22 ('radeonsi/vcn: check fence before destroying dpb')

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20986>
This commit is contained in:
Boyuan Zhang
2023-01-30 09:28:33 -05:00
committed by Marge Bot
parent 0b9972953c
commit 4eadb333a8
1 changed files with 4 additions and 2 deletions
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6
src/gallium/drivers/radeonsi/radeon_vcn_dec.c
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@@ -1871,7 +1871,8 @@ static unsigned rvcn_dec_dynamic_dpb_t2_message(struct radeon_decoder *dec, rvcn
}
list_for_each_entry_safe(struct rvcn_dec_dynamic_dpb_t2, d, &dec->dpb_unref_list, list) {
dec->ws->fence_wait(dec->ws, dec->prev_fence, PIPE_DEFAULT_DECODER_FEEDBACK_TIMEOUT_NS);
if (dec->prev_fence)
dec->ws->fence_wait(dec->ws, dec->prev_fence, PIPE_DEFAULT_DECODER_FEEDBACK_TIMEOUT_NS);
list_del(&d->list);
si_vid_destroy_buffer(&d->dpb);
FREE(d);
@@ -2908,7 +2909,8 @@ static void radeon_dec_end_frame(struct pipe_video_codec *decoder, struct pipe_v
dec->send_cmd(dec, target, picture);
flush(dec, PIPE_FLUSH_ASYNC, picture->fence);
dec->prev_fence = *picture->fence;
if (picture->fence)
dec->prev_fence = *picture->fence;
next_buffer(dec);
}