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Message-Id: <20230420084711.3063453-2-arnd@kernel.org>
Date:   Thu, 20 Apr 2023 10:47:01 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     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>,
        Leon Huang <Leon.Huang1@....com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Qingqing Zhuo <qingqing.zhuo@....com>,
        Jun Lei <Jun.Lei@....com>,
        Nicholas Kazlauskas <Nicholas.Kazlauskas@....com>,
        Wenjing Liu <wenjing.liu@....com>,
        Josip Pavic <Josip.Pavic@....com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] drm/amd/display: dumb_abm_lcd: avoid missing-prototype warnings

From: Arnd Bergmann <arnd@...db.de>

The dmub_abm_set_ambient_level() function has no caller and can
just be removed, the other ones have a declaration in the
header file and just need to see the prototype:

drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:122:14: error: no previous prototype for function 'dmub_abm_get_current_backlight' [-Werror,-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:133:14: error: no previous prototype for function 'dmub_abm_get_target_backlight' [-Werror,-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:144:6: error: no previous prototype for function 'dmub_abm_set_level' [-Werror,-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:163:6: error: no previous prototype for function 'dmub_abm_set_ambient_level' [-Werror,-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:183:6: error: no previous prototype for function 'dmub_abm_init_config' [-Werror,-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:213:6: error: no previous prototype for function 'dmub_abm_set_pause' [-Werror,-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:231:6: error: no previous prototype for function 'dmub_abm_set_pipe' [-Werror,-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:251:6: error: no previous prototype for function 'dmub_abm_set_backlight_level' [-Werror,-Wmissing-prototypes]

Fixes: b8fe56375f78 ("drm/amd/display: Refactor ABM feature")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 .../gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c | 22 +------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c
index e152c68edfd1..39da73eba86e 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c
@@ -24,6 +24,7 @@
  */
 
 #include "dmub_abm.h"
+#include "dmub_abm_lcd.h"
 #include "dce_abm.h"
 #include "dc.h"
 #include "dc_dmub_srv.h"
@@ -159,27 +160,6 @@ bool dmub_abm_set_level(struct abm *abm, uint32_t level, uint8_t panel_mask)
 	return true;
 }
 
-#ifndef TRIM_AMBIENT_GAMMA
-void dmub_abm_set_ambient_level(struct abm *abm, unsigned int ambient_lux, uint8_t panel_mask)
-{
-	union dmub_rb_cmd cmd;
-	struct dc_context *dc = abm->ctx;
-
-	if (ambient_lux > 0xFFFF)
-		ambient_lux = 0xFFFF;
-
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.abm_set_ambient_level.header.type = DMUB_CMD__ABM;
-	cmd.abm_set_ambient_level.header.sub_type = DMUB_CMD__ABM_SET_AMBIENT_LEVEL;
-	cmd.abm_set_ambient_level.abm_set_ambient_level_data.ambient_lux = ambient_lux;
-	cmd.abm_set_ambient_level.abm_set_ambient_level_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1;
-	cmd.abm_set_ambient_level.abm_set_ambient_level_data.panel_mask = panel_mask;
-	cmd.abm_set_ambient_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_ambient_level_data);
-
-	dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
-}
-#endif
-
 void dmub_abm_init_config(struct abm *abm,
 	const char *src,
 	unsigned int bytes,
-- 
2.39.2

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