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drm: using mul_u32_u32() requires linux/math64.h

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Some pending include file cleanups produced this error:

In file included from include/linux/kernel.h:27,
                 from drivers/gpu/ipu-v3/ipu-dp.c:7:
include/drm/drm_color_mgmt.h: In function 'drm_color_lut_extract':
include/drm/drm_color_mgmt.h:45:46: error: implicit declaration of function 'mul_u32_u32' [-Werror=implicit-function-declaration]
   45 |                 return DIV_ROUND_CLOSEST_ULL(mul_u32_u32(user_input, (1 << bit_precision) - 1),
      |                                              ^~~~~~~~~~~

Fixes: c6fbb6bca1 ("drm: Fix color LUT rounding")
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231219145734.13e40e1e@canb.auug.org.au
This commit is contained in:
Stephen Rothwell 2023-12-19 14:57:34 +11:00 committed by Ville Syrjälä
parent 6914968a0b
commit 933a2a376f
1 changed files with 1 additions and 0 deletions
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include/drm/drm_color_mgmt.h
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@ -24,6 +24,7 @@
#define __DRM_COLOR_MGMT_H__
#include <linux/ctype.h>
#include <linux/math64.h>
#include <drm/drm_property.h>
struct drm_crtc;