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It allows to call nouveau_vp3_bsp_next multiple times between one begin/end. It is required to support st/va. https://bugs.freedesktop.org/show_bug.cgi?id=89969 Signed-off-by: Julien Isorce <j.isorce@samsung.com> [imirkin: create strparm_bsp function, simplified w0 calculation] Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
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