etnaviv: simplify etna_screen_bo_from_handle

There is no need to have a out_stride parameter, as the only callsite
already has the winsys handle, which includes the stride, so there is
no need to pass the stride back and forth.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7367>
3 files changed