Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/radeon/atombios_encoders.c:186:6: warning: no previous prototype for ‘radeon_atom_backlight_init’ [-Wmissing-prototypes]
186 | void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_atombios.h | 4 ++++
drivers/gpu/drm/radeon/radeon_encoders.c | 6 +-----
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.h b/drivers/gpu/drm/radeon/radeon_atombios.h
index a895a7002c3d3..fd03755e6fa2c 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.h
+++ b/drivers/gpu/drm/radeon/radeon_atombios.h
@@ -28,14 +28,18 @@
#ifndef __RADEON_ATOMBIOS_H__
#define __RADEON_ATOMBIOS_H__
+struct drm_connector;
struct drm_device;
struct drm_display_mode;
struct radeon_device;
+struct radeon_encoder;
bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
struct drm_display_mode *mode);
void radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum,
uint32_t supported_device, u16 caps);
+void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
+ struct drm_connector *drm_connector);
#endif /* __RADEON_ATOMBIOS_H__ */
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index b60a373d3ead3..46549d5179ee9 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -31,14 +31,10 @@
#include <drm/radeon_drm.h>
#include "radeon.h"
+#include "radeon_atombios.h"
#include "radeon_legacy_encoders.h"
#include "atom.h"
-extern void
-radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
- struct drm_connector *drm_connector);
-
-
static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
--
2.25.1
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