C++ (Cpp) radeon_cs_finish_pages 예제들

예제 #1

파일: radeon_cs.c 프로젝트: 1111saeid/jb_kernel_3.0.16_htc_golfu

int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
	struct radeon_device *rdev = dev->dev_private;
	struct radeon_cs_parser parser;
	struct radeon_cs_chunk *ib_chunk;
	int r;

	mutex_lock(&rdev->cs_mutex);
	/* initialize parser */
	memset(&parser, 0, sizeof(struct radeon_cs_parser));
	parser.filp = filp;
	parser.rdev = rdev;
	parser.dev = rdev->dev;
	parser.family = rdev->family;
	r = radeon_cs_parser_init(&parser, data);
	if (r) {
		DRM_ERROR("Failed to initialize parser !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	r =  radeon_ib_get(rdev, &parser.ib);
	if (r) {
		DRM_ERROR("Failed to get ib !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	r = radeon_cs_parser_relocs(&parser);
	if (r) {
		if (r != -ERESTARTSYS)
			DRM_ERROR("Failed to parse relocation %d!\n", r);
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	/* Copy the packet into the IB, the parser will read from the
	 * input memory (cached) and write to the IB (which can be
	 * uncached). */
	ib_chunk = &parser.chunks[parser.chunk_ib_idx];
	parser.ib->length_dw = ib_chunk->length_dw;
	r = radeon_cs_parse(&parser);
	if (r || parser.parser_error) {
		DRM_ERROR("Invalid command stream !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	r = radeon_cs_finish_pages(&parser);
	if (r) {
		DRM_ERROR("Invalid command stream !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	r = radeon_ib_schedule(rdev, parser.ib);
	if (r) {
		DRM_ERROR("Failed to schedule IB !\n");
	}
	radeon_cs_parser_fini(&parser, r);
	mutex_unlock(&rdev->cs_mutex);
	return r;
}

예제 #2

int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
	struct radeon_device *rdev = dev->dev_private;
	struct radeon_cs_parser parser;
	struct radeon_cs_chunk *ib_chunk;
	int r;

	mutex_lock(&rdev->cs_mutex);
	if (rdev->gpu_lockup) {
		mutex_unlock(&rdev->cs_mutex);
		return -EINVAL;
	}
	
	memset(&parser, 0, sizeof(struct radeon_cs_parser));
	parser.filp = filp;
	parser.rdev = rdev;
	r = radeon_cs_parser_init(&parser, data);
	if (r) {
		DRM_ERROR("Failed to initialize parser !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	r =  radeon_ib_get(rdev, &parser.ib);
	if (r) {
		DRM_ERROR("Failed to get ib !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	r = radeon_cs_parser_relocs(&parser);
	if (r) {
		DRM_ERROR("Failed to parse relocation !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	
	ib_chunk = &parser.chunks[parser.chunk_ib_idx];
	parser.ib->length_dw = ib_chunk->length_dw;
	r = radeon_cs_parse(&parser);
	if (r || parser.parser_error) {
		DRM_ERROR("Invalid command stream !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	r = radeon_cs_finish_pages(&parser);
	if (r) {
		DRM_ERROR("Invalid command stream !\n");
		radeon_cs_parser_fini(&parser, r);
		mutex_unlock(&rdev->cs_mutex);
		return r;
	}
	r = radeon_ib_schedule(rdev, parser.ib);
	if (r) {
		DRM_ERROR("Faild to schedule IB !\n");
	}
	radeon_cs_parser_fini(&parser, r);
	mutex_unlock(&rdev->cs_mutex);
	return r;
}