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From a644d7c9f961ba440928b612d296107bc82e3a7f Mon Sep 17 00:00:00 2001
From: Tyler DiBattista <tyler.dibattista@amd.com>
Date: Mon, 11 Feb 2019 11:22:49 -0500
Subject: [PATCH 1526/2940] drm/amd/display: Add function to create 4d19 fixed
point
[Why]
Implemented for future use
Change-Id: Ia05b8c133aa16126f15c91a6516a94b1c4bccad4
Signed-off-by: Tyler DiBattista <tyler.dibattista@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
---
drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c | 5 +++++
drivers/gpu/drm/amd/display/include/fixed31_32.h | 2 ++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
index f28989860fd8..1e9a2d352068 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
+++ b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
@@ -449,6 +449,11 @@ static inline unsigned int clamp_ux_dy(
return min_clamp;
}
+unsigned int dc_fixpt_u4d19(struct fixed31_32 arg)
+{
+ return ux_dy(arg.value, 4, 19);
+}
+
unsigned int dc_fixpt_u3d19(struct fixed31_32 arg)
{
return ux_dy(arg.value, 3, 19);
diff --git a/drivers/gpu/drm/amd/display/include/fixed31_32.h b/drivers/gpu/drm/amd/display/include/fixed31_32.h
index 52a73332befb..89ef9f6860e5 100644
--- a/drivers/gpu/drm/amd/display/include/fixed31_32.h
+++ b/drivers/gpu/drm/amd/display/include/fixed31_32.h
@@ -503,6 +503,8 @@ static inline int dc_fixpt_ceil(struct fixed31_32 arg)
* fractional
*/
+unsigned int dc_fixpt_u4d19(struct fixed31_32 arg);
+
unsigned int dc_fixpt_u3d19(struct fixed31_32 arg);
unsigned int dc_fixpt_u2d19(struct fixed31_32 arg);
--
2.17.1
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