tegra_fb_is_bottom_up  709 drivers/gpu/drm/tegra/dc.c 	window.bottom_up = tegra_fb_is_bottom_up(fb) || state->bottom_up;
tegra_fb_is_bottom_up  173 drivers/gpu/drm/tegra/drm.h bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);