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drm/vmwgfx: Fix incorrect command header offset at restart

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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>
This commit is contained in:
Thomas Hellstrom 2017-08-24 08:06:31 +02:00 committed by Sinclair Yeh
parent 5f55be5f30
commit 1f1a36cc4d
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
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@ -563,6 +563,7 @@ static void vmw_cmdbuf_work_func(struct work_struct *work)
entry->cmd += new_start_offset;
cb_hdr->length -= new_start_offset;
cb_hdr->errorOffset = 0;
cb_hdr->offset = 0;
list_add_tail(&entry->list, &restart_head[entry->cb_context]);
man->ctx[entry->cb_context].block_submission = true;
}