RELEASE_SIZE
NVDEF(NV906F, SEMAPHORED, RELEASE_SIZE, 16BYTE),
NVDEF(NV906F, SEMAPHORED, RELEASE_SIZE, 16BYTE));
#define RELEASES_PER_BO (PAGE_SIZE / RELEASE_SIZE)
static const int release_size_per_bo[] = { RELEASE_SIZE, SURFACE_RELEASE_SIZE, RELEASE_SIZE };