linux-kernel - [PATCH 2/2] drm/amd/display: Add previous prototype to 'optc3_wait_drr_doublebuffer_pending

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Date:   Tue, 28 Mar 2023 19:09:47 -0300
From:   Caio Novais <caionovais@....br>
To:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Wesley Chalmers <Wesley.Chalmers@....com>,
        "Lee, Alvin" <Alvin.Lee2@....com>, Jun Lei <Jun.Lei@....com>,
        Qingqing Zhuo <qingqing.zhuo@....com>,
        Aurabindo Pillai <aurabindo.pillai@....com>,
        Caio Novais <caionovais@....br>,
        Hamza Mahfooz <hamza.mahfooz@....com>,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Nicholas Kazlauskas <Nicholas.Kazlauskas@....com>,
        Gabe Teeger <gabe.teeger@....com>, Roman Li <roman.li@....com>,
        Maíra Canal <mairacanal@...eup.net>,
        Deepak R Varma <drv@...lo.com>
Subject: [PATCH 2/2] drm/amd/display: Add previous prototype to 'optc3_wait_drr_doublebuffer_pending_clear'

Compiling AMD GPU drivers displays a warning:

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_optc.c:294:6: warning: no previous prototype for ‘optc3_wait_drr_doublebuffer_pending_clear’ [-Wmissing-prototypes]

Get rid of it by adding a function prototype

'optc3_wait_drr_doublebuffer_pending_clear(struct timing_generator *optc)' on drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h

Signed-off-by: Caio Novais <caionovais@....br>
---
 drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h
index fb06dc9a4893..2e3ba6e2f336 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.h
@@ -331,6 +331,8 @@ void optc3_lock_doublebuffer_enable(struct timing_generator *optc);
 
 void optc3_lock_doublebuffer_disable(struct timing_generator *optc);
 
+void optc3_wait_drr_doublebuffer_pending_clear(struct timing_generator *optc);
+
 void optc3_set_drr_trigger_window(struct timing_generator *optc,
 		uint32_t window_start, uint32_t window_end);
 
-- 
2.40.0