drm/exynos: add ratio calculation

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / exynos / exynos_drm_drv.h

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 8e925838d047483aaf091be7586650674e87858f..e12ecb5d5d9aa01a7618eafb8930b5dc552cb14e 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -61,6 +61,8 @@ enum exynos_drm_output_type {
  * @crtc_height: window height to be displayed (hardware screen).
  * @mode_width: width of screen mode.
  * @mode_height: height of screen mode.
+ * @h_ratio: horizontal scaling ratio, 16.16 fixed point
+ * @v_ratio: vertical scaling ratio, 16.16 fixed point
  * @refresh: refresh rate.
  * @scan_flag: interlace or progressive way.
  *     (it could be DRM_MODE_FLAG_*)
@@ -97,6 +99,8 @@ struct exynos_drm_plane {
        unsigned int crtc_height;
        unsigned int mode_width;
        unsigned int mode_height;
+       unsigned int h_ratio;
+       unsigned int v_ratio;
        unsigned int refresh;
        unsigned int scan_flag;
        unsigned int bpp;