drm/exynos: add ratio calculation
Calculation ratio from exynos_drm plane codes, then each hw drivers can
use it without extra operation. Also this fixes width and height of
source used for actual crtc shown via screen.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 8e92583..e12ecb5 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -61,6 +61,8 @@
* @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 @@
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;