Exemplos de exynos_drm_framebuffer_init em C++ (Cpp)

Exemplo n.º 1

Arquivo: exynos_drm_fb.c Projeto: boddob/linux

static struct drm_framebuffer *
exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
		      const struct drm_mode_fb_cmd2 *mode_cmd)
{
	struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER];
	struct drm_gem_object *obj;
	struct drm_framebuffer *fb;
	int i;
	int ret;

	for (i = 0; i < drm_format_num_planes(mode_cmd->pixel_format); i++) {
		obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]);
		if (!obj) {
			DRM_ERROR("failed to lookup gem object\n");
			ret = -ENOENT;
			goto err;
		}

		exynos_gem[i] = to_exynos_gem(obj);
	}

	fb = exynos_drm_framebuffer_init(dev, mode_cmd, exynos_gem, i);
	if (IS_ERR(fb)) {
		ret = PTR_ERR(fb);
		goto err;
	}

	return fb;

err:
	while (i--)
		drm_gem_object_unreference_unlocked(&exynos_gem[i]->base);

	return ERR_PTR(ret);
}

Exemplo n.º 2

Arquivo: exynos_drm_fb.c Projeto: MaxKellermann/linux

static struct drm_framebuffer *
exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
		      const struct drm_mode_fb_cmd2 *mode_cmd)
{
	const struct drm_format_info *info = drm_get_format_info(dev, mode_cmd);
	struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER];
	struct drm_gem_object *obj;
	struct drm_framebuffer *fb;
	int i;
	int ret;

	for (i = 0; i < info->num_planes; i++) {
		unsigned int height = (i == 0) ? mode_cmd->height :
				     DIV_ROUND_UP(mode_cmd->height, info->vsub);
		unsigned long size = height * mode_cmd->pitches[i] +
				     mode_cmd->offsets[i];

		obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]);
		if (!obj) {
			DRM_ERROR("failed to lookup gem object\n");
			ret = -ENOENT;
			goto err;
		}

		exynos_gem[i] = to_exynos_gem(obj);

		if (size > exynos_gem[i]->size) {
			i++;
			ret = -EINVAL;
			goto err;
		}
	}

	fb = exynos_drm_framebuffer_init(dev, mode_cmd, exynos_gem, i);
	if (IS_ERR(fb)) {
		ret = PTR_ERR(fb);
		goto err;
	}

	return fb;

err:
	while (i--)
		drm_gem_object_unreference_unlocked(&exynos_gem[i]->base);

	return ERR_PTR(ret);
}

Exemplo n.º 3

Arquivo: exynos_drm_fb.c Projeto: alessandroste/testBSP

static struct drm_framebuffer *
exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
		      struct drm_mode_fb_cmd2 *mode_cmd)
{
	struct drm_gem_object *obj;
	struct drm_framebuffer *fb;
	struct exynos_drm_fb *exynos_fb;
	int nr;
	int i;

	DRM_DEBUG_KMS("%s\n", __FILE__);

	obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
	if (!obj) {
		DRM_ERROR("failed to lookup gem object\n");
		return ERR_PTR(-ENOENT);
	}

	drm_gem_object_unreference_unlocked(obj);

	fb = exynos_drm_framebuffer_init(dev, mode_cmd, obj);
	if (IS_ERR(fb))
		return fb;

	exynos_fb = to_exynos_fb(fb);
	nr = exynos_drm_format_num_buffers(fb->pixel_format);

	for (i = 1; i < nr; i++) {
		obj = drm_gem_object_lookup(dev, file_priv,
				mode_cmd->handles[i]);
		if (!obj) {
			DRM_ERROR("failed to lookup gem object\n");
			exynos_drm_fb_destroy(fb);
			return ERR_PTR(-ENOENT);
		}

		drm_gem_object_unreference_unlocked(obj);

		exynos_fb->exynos_gem_obj[i] = to_exynos_gem_obj(obj);
	}

	return fb;
}