Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c:275: warning: Function parameter or member 'p_offset' not described in 'vmw_piter_start'
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c:676: warning: Function parameter or member 'evict' not described in 'vmw_move_notify'
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Roland Scheidegger <sroland@vmware.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Zack Rusin <zackr@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210115181313.3431493-12-lee.jones@linaro.org
*
* @viter: Pointer to the iterator to initialize
* @vsgt: Pointer to a struct vmw_sg_table to initialize from
+ * @p_offset: Pointer offset used to update current array position
*
* Note that we're following the convention of __sg_page_iter_start, so that
* the iterator doesn't point to a valid page after initialization; it has
* vmw_move_notify - TTM move_notify_callback
*
* @bo: The TTM buffer object about to move.
+ * @evict: Unused
* @mem: The struct ttm_resource indicating to what memory
* region the move is taking place.
*