/*
* rockchip_gem_create_with_handle - allocate an object with the given
* size and create a gem handle on it
*
* returns a struct rockchip_gem_object* on success or ERR_PTR values
* on failure.
*/
static struct rockchip_gem_object *
rockchip_gem_create_with_handle(struct drm_file *file_priv,
struct drm_device *drm, unsigned int size,
unsigned int *handle)
{
struct rockchip_gem_object *rk_obj;
struct drm_gem_object *obj;
int ret;
rk_obj = rockchip_gem_create_object(drm, size, false);
if (IS_ERR(rk_obj))
return ERR_CAST(rk_obj);
obj = &rk_obj->base;
/*
* allocate a id of idr table where the obj is registered
* and handle has the id what user can see.
*/
ret = drm_gem_handle_create(file_priv, obj, handle);
if (ret)
goto err_handle_create;
/* drop reference from allocate - handle holds it now. */
drm_gem_object_unreference_unlocked(obj);
return rk_obj;
err_handle_create:
rockchip_gem_free_object(obj);
return ERR_PTR(ret);
}
static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
struct rockchip_drm_private *private = to_drm_private(helper);
struct drm_mode_fb_cmd2 mode_cmd = { 0 };
struct drm_device *dev = helper->dev;
struct rockchip_gem_object *rk_obj;
struct drm_framebuffer *fb;
unsigned int bytes_per_pixel;
unsigned long offset;
struct fb_info *fbi;
size_t size;
int ret;
bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8);
mode_cmd.width = sizes->surface_width;
mode_cmd.height = sizes->surface_height;
mode_cmd.pitches[0] = sizes->surface_width * bytes_per_pixel;
mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
sizes->surface_depth);
size = mode_cmd.pitches[0] * mode_cmd.height;
rk_obj = rockchip_gem_create_object(dev, size, true);
if (IS_ERR(rk_obj))
return -ENOMEM;
private->fbdev_bo = &rk_obj->base;
