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drm/vmwgfx: Fix incorrect command header offset at restart
Sometimes it appears like the device modifies the command header offset member. So explicitly clear it when restarting after an error. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
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@ -563,6 +563,7 @@ static void vmw_cmdbuf_work_func(struct work_struct *work)
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entry->cmd += new_start_offset;
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cb_hdr->length -= new_start_offset;
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cb_hdr->errorOffset = 0;
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cb_hdr->offset = 0;
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list_add_tail(&entry->list, &restart_head[entry->cb_context]);
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man->ctx[entry->cb_context].block_submission = true;
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}
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