int radeon_ttm_init(struct radeon_device *rdev)
{
	int r;

	r = radeon_ttm_global_init(rdev);
	if (r) {
		return r;
	}
	/* No others user of address space so set it to 0 */
	r = ttm_bo_device_init(&rdev->mman.bdev,
			       rdev->mman.bo_global_ref.ref.object,
			       &radeon_bo_driver, DRM_FILE_PAGE_OFFSET,
			       rdev->need_dma32);
	if (r) {
		DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
		return r;
	}
	rdev->mman.initialized = true;
	r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_VRAM,
				rdev->mc.real_vram_size >> PAGE_SHIFT);
	if (r) {
		DRM_ERROR("Failed initializing VRAM heap.\n");
		return r;
	}
	r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true,
				RADEON_GEM_DOMAIN_VRAM,
				&rdev->stollen_vga_memory);
	if (r) {
		return r;
	}
	r = radeon_bo_reserve(rdev->stollen_vga_memory, false);
	if (r)
		return r;
	r = radeon_bo_pin(rdev->stollen_vga_memory, RADEON_GEM_DOMAIN_VRAM, NULL);
	radeon_bo_unreserve(rdev->stollen_vga_memory);
	if (r) {
		radeon_bo_unref(&rdev->stollen_vga_memory);
		return r;
	}
	DRM_INFO("radeon: %uM of VRAM memory ready\n",
		 (unsigned)rdev->mc.real_vram_size / (1024 * 1024));
	r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT,
				rdev->mc.gtt_size >> PAGE_SHIFT);
	if (r) {
		DRM_ERROR("Failed initializing GTT heap.\n");
		return r;
	}
	DRM_INFO("radeon: %uM of GTT memory ready.\n",
		 (unsigned)(rdev->mc.gtt_size / (1024 * 1024)));
	if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) {
		rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping;
	}

	r = radeon_ttm_debugfs_init(rdev);
	if (r) {
		DRM_ERROR("Failed to init debugfs\n");
		return r;
	}
	return 0;
}
Ejemplo n.º 2
0
int radeon_ttm_init(struct radeon_device *rdev)
{
	int r;

	r = radeon_ttm_global_init(rdev);
	if (r) {
		return r;
	}
	/* No others user of address space so set it to 0 */
	r = ttm_bo_device_init(&rdev->mman.bdev,
			       rdev->mman.bo_global_ref.ref.object,
			       &radeon_bo_driver, DRM_FILE_PAGE_OFFSET,
			       rdev->need_dma32);
	if (r) {
		DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
		return r;
	}
	rdev->mman.bdev.iot = rdev->iot;
	rdev->mman.bdev.memt = rdev->memt;
	rdev->mman.bdev.dmat = rdev->dmat;
	rdev->mman.initialized = true;
	r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_VRAM,
				rdev->mc.real_vram_size >> PAGE_SHIFT);
	if (r) {
		DRM_ERROR("Failed initializing VRAM heap.\n");
		return r;
	}
	/* Change the size here instead of the init above so only lpfn is affected */
	radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);

#ifdef __sparc64__
	r = radeon_bo_create(rdev, rdev->fb_offset, PAGE_SIZE, true,
			     RADEON_GEM_DOMAIN_VRAM,
			     NULL, &rdev->stollen_vga_memory);
#else
	r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true,
			     RADEON_GEM_DOMAIN_VRAM,
			     NULL, &rdev->stollen_vga_memory);
#endif
	if (r) {
		return r;
	}
	r = radeon_bo_reserve(rdev->stollen_vga_memory, false);
	if (r)
		return r;
	r = radeon_bo_pin(rdev->stollen_vga_memory, RADEON_GEM_DOMAIN_VRAM, NULL);
	radeon_bo_unreserve(rdev->stollen_vga_memory);
	if (r) {
		radeon_bo_unref(&rdev->stollen_vga_memory);
		return r;
	}
	DRM_INFO("radeon: %uM of VRAM memory ready\n",
		 (unsigned) (rdev->mc.real_vram_size / (1024 * 1024)));
	r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT,
				rdev->mc.gtt_size >> PAGE_SHIFT);
	if (r) {
		DRM_ERROR("Failed initializing GTT heap.\n");
		return r;
	}
	DRM_INFO("radeon: %uM of GTT memory ready.\n",
		 (unsigned)(rdev->mc.gtt_size / (1024 * 1024)));
#ifdef notyet
	rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping;
#endif

	r = radeon_ttm_debugfs_init(rdev);
	if (r) {
		DRM_ERROR("Failed to init debugfs\n");
		return r;
	}
	return 0;
}