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Date:   Thu, 13 Jun 2019 08:02:08 +0530
From:   Hariprasad Kelam <hariprasad.kelam@gmail.com>
To:     Harry Wentland <harry.wentland@amd.com>,
        Leo Li <sunpeng.li@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        Christian =?iso-8859-1?Q?K=F6nig?= <christian.koenig@amd.com>,
        "David (ChunMing) Zhou" <David1.Zhou@amd.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>,
        Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>,
        Tony Cheng <tony.cheng@amd.com>,
        Anthony Koo <Anthony.Koo@amd.com>,
        Charlene Liu <charlene.liu@amd.com>,
        Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>,
        Yongqiang Sun <yongqiang.sun@amd.com>,
        Gloria Li <geling.li@amd.com>, amd-gfx@lists.freedesktop.org,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drm/amd/display: fix compilation error
Message-ID: <20190613023208.GA29690@hari-Inspiron-1545>
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this patch fixes below compilation error

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]
   udelay(underflow_check_delay_us);

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
 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 d2352949..1ac9a4f 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
@@ -23,6 +23,7 @@
  *
  */
 
+#include <linux/delay.h>
 #include "dm_services.h"
 #include "core_types.h"
 #include "resource.h"
-- 
2.7.4