[PATCH 3/5] drm/msm: Use common drm_fixed_16_16 helper

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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 <alyssa@xxxxxxxxxxxxx>
Cc: linux-arm-msm@xxxxxxxxxxxxxxx
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c  | 2 +-
 drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c | 8 ++++----
 drivers/gpu/drm/msm/msm_drv.h              | 3 +--
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index c989621209aa..fc9a9f544110 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -964,7 +964,7 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 		crtc_state = drm_atomic_get_new_crtc_state(state,
 							   new_plane_state->crtc);
 
-	min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxupscale);
+	min_scale = drm_fixed_16_16(1, pdpu->pipe_sblk->maxupscale);
 	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  min_scale,
 						  pdpu->pipe_sblk->maxdwnscale << 16,
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
index c6b69afcbac8..079b0662ee3c 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
@@ -199,8 +199,8 @@ static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state,
 		return -ERANGE;
 	}
 
-	min_scale = FRAC_16_16(1, 8);
-	max_scale = FRAC_16_16(8, 1);
+	min_scale = drm_fixed_16_16(1, 8);
+	max_scale = drm_fixed_16_16(8, 1);
 
 	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
 						  min_scale, max_scale,
@@ -381,8 +381,8 @@ static int mdp5_plane_atomic_async_check(struct drm_plane *plane,
 	    plane->state->fb != new_plane_state->fb)
 		return -EINVAL;
 
-	min_scale = FRAC_16_16(1, 8);
-	max_scale = FRAC_16_16(8, 1);
+	min_scale = drm_fixed_16_16(1, 8);
+	max_scale = drm_fixed_16_16(8, 1);
 
 	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  min_scale, max_scale,
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 8b005d1ac899..b5aa94024a42 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -32,6 +32,7 @@
 #include <drm/drm_fb_helper.h>
 #include <drm/msm_drm.h>
 #include <drm/drm_gem.h>
+#include <drm/drm_fixed.h>
 
 struct msm_kms;
 struct msm_gpu;
@@ -51,8 +52,6 @@ struct msm_disp_state;
 #define MAX_BRIDGES    8
 #define MAX_CONNECTORS 8
 
-#define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
-
 struct msm_file_private {
 	rwlock_t queuelock;
 	struct list_head submitqueues;
-- 
2.30.2




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