[PATCH 4/5] drm/rockchip: Use common drm_fixed_16_16 helper

[Alyssa Rosenzweig]

Replace our open-coded FRAC_16_16 with the common drm_fixed_16_16
helper to reduce code duplication between drivers.

Signed-off-by: Alyssa Rosenzweig <aly...@rosenzweig.io>
Cc: linux-rockc...@lists.infradead.org
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 9 +++++----
 drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 1 -
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c 
b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index ba9e14da41b4..9428fcba400f 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -29,6 +29,7 @@
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_self_refresh_helper.h>
 #include <drm/drm_vblank.h>
+#include <drm/drm_fixed.h>
 
 #ifdef CONFIG_DRM_ANALOGIX_DP
 #include <drm/bridge/analogix_dp.h>
@@ -789,9 +790,9 @@ static int vop_plane_atomic_check(struct drm_plane *plane,
        struct vop_win *vop_win = to_vop_win(plane);
        const struct vop_win_data *win = vop_win->data;
        int ret;
-       int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
+       int min_scale = win->phy->scl ? drm_fixed_16_16(1, 8) :
                                        DRM_PLANE_HELPER_NO_SCALING;
-       int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
+       int max_scale = win->phy->scl ? drm_fixed_16_16(8, 1) :
                                        DRM_PLANE_HELPER_NO_SCALING;
 
        if (!crtc || WARN_ON(!fb))
@@ -1037,9 +1038,9 @@ static int vop_plane_atomic_async_check(struct drm_plane 
*plane,
                                                                                
 plane);
        struct vop_win *vop_win = to_vop_win(plane);
        const struct vop_win_data *win = vop_win->data;
-       int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
+       int min_scale = win->phy->scl ? drm_fixed_16_16(1, 8) :
                                        DRM_PLANE_HELPER_NO_SCALING;
-       int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
+       int max_scale = win->phy->scl ? drm_fixed_16_16(8, 1) :
                                        DRM_PLANE_HELPER_NO_SCALING;
        struct drm_crtc_state *crtc_state;
 
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h 
b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index 857d97cdc67c..cada12e653cc 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -335,7 +335,6 @@ enum vop_pol {
        DEN_NEGATIVE   = 2
 };
 
-#define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
 #define SCL_FT_DEFAULT_FIXPOINT_SHIFT  12
 #define SCL_MAX_VSKIPLINES             4
 #define MIN_SCL_FT_AFTER_VSKIP         1
-- 
2.30.2