C++ (Cpp) gem_has_llc 예제들

예제 #1

파일: gem_storedw_loop.c 프로젝트: jenkinsci01org/igt-doc-test

static void *
mmap_coherent(int fd, uint32_t handle, int size)
{
	if (gem_has_llc(fd)) {
		coherent_domain = I915_GEM_DOMAIN_CPU;
		return gem_mmap__cpu(fd, handle, 0, size, PROT_WRITE);
	}

	coherent_domain = I915_GEM_DOMAIN_GTT;
	if (gem_mmap__has_wc(fd))
		return gem_mmap__wc(fd, handle, 0, size, PROT_WRITE);
	else
		return gem_mmap__gtt(fd, handle, size, PROT_WRITE);
}

예제 #2

파일: gem_cs_tlb.c 프로젝트: joshloo/intel-gpu-tools

static void *
mmap_coherent(int fd, uint32_t handle, int size)
{
	int domain;
	void *ptr;

	if (gem_has_llc(fd) || !gem_mmap__has_wc(fd)) {
		domain = I915_GEM_DOMAIN_CPU;
		ptr = gem_mmap__cpu(fd, handle, 0, size, PROT_WRITE);
	} else {
		domain = I915_GEM_DOMAIN_GTT;
		ptr = gem_mmap__wc(fd, handle, 0, size, PROT_WRITE);
	}

	gem_set_domain(fd, handle, domain, domain);
	return ptr;
}

예제 #3

파일: gem_mmap_gtt.c 프로젝트: chenxianqin/intel-gpu-tools

static void
test_write_cpu_read_gtt(int fd)
{
	uint32_t handle;
	uint32_t *src, *dst;

	igt_require(gem_has_llc(fd));

	handle = gem_create(fd, OBJECT_SIZE);

	dst = gem_mmap__gtt(fd, handle, OBJECT_SIZE, PROT_READ);

	src = gem_mmap__cpu(fd, handle, 0, OBJECT_SIZE, PROT_WRITE);

	gem_close(fd, handle);

	memset(src, 0xaa, OBJECT_SIZE);
	igt_assert(memcmp(dst, src, OBJECT_SIZE) == 0);

	munmap(src, OBJECT_SIZE);
	munmap(dst, OBJECT_SIZE);
}