linux-kernel - [PATCH] drm/amd/display: include missing linux/delay.h

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Date:   Mon, 17 Jun 2019 14:38:55 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "David (ChunMing) Zhou" <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     Arnd Bergmann <arnd@...db.de>, Thomas Lim <Thomas.Lim@....com>,
        Eric Yang <eric.yang2@....com>,
        Bhawanpreet Lakha <Bhawanpreet.Lakha@....com>,
        Dmytro Laktyushkin <Dmytro.Laktyushkin@....com>,
        Tony Cheng <tony.cheng@....com>,
        Anthony Koo <Anthony.Koo@....com>,
        Charlene Liu <charlene.liu@....com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/amd/display: include missing linux/delay.h

Some randconfig builds fail to compile the dcn10 code because of
a missing declaration:

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c: In function 'dcn10_apply_ctx_for_surface':
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c:2378:3: error: implicit declaration of function 'udelay' [-Werror=implicit-function-declaration]

Include the appropriate kernel header.

Fixes: 9ed43ef84d9d ("drm/amd/display: Add Underflow Asserts to dc")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 1ac9a4f03990..d87ddc7de9c6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -22,6 +22,7 @@
  * Authors: AMD
  *
  */
+#include <linux/delay.h>
 
 #include <linux/delay.h>
 #include "dm_services.h"
-- 
2.20.0