[PATCH 14/20] drm/radeon: Move 'radeon_pm_acpi_event_handler' prototype into shared header

[Lee Jones]

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/rv770.c:1138:6: warning: no previous prototype for ‘rv770_set_clk_bypass_mode’ [-Wmissing-prototypes]
 1138 | void rv770_set_clk_bypass_mode(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: "Christian König" <christian.koenig at amd.com>
Cc: David Airlie <airlied at linux.ie>
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: Sumit Semwal <sumit.semwal at linaro.org>
Cc: amd-gfx at lists.freedesktop.org
Cc: dri-devel at lists.freedesktop.org
Cc: linux-media at vger.kernel.org
Cc: linaro-mm-sig at lists.linaro.org
Signed-off-by: Lee Jones <lee.jones at linaro.org>
---
 drivers/gpu/drm/radeon/radeon.h      | 1 +
 drivers/gpu/drm/radeon/radeon_acpi.c | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 32a2c894ee3ff..1cbbaff7cede2 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -291,6 +291,7 @@ void radeon_pm_fini(struct radeon_device *rdev);
 void radeon_pm_compute_clocks(struct radeon_device *rdev);
 void radeon_pm_suspend(struct radeon_device *rdev);
 void radeon_pm_resume(struct radeon_device *rdev);
+void radeon_pm_acpi_event_handler(struct radeon_device *rdev);
 void radeon_combios_get_power_modes(struct radeon_device *rdev);
 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index 6cf1645e7a1a8..0eb594b56af8c 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -45,8 +45,6 @@ static inline bool radeon_atpx_dgpu_req_power_for_displays(void) { return false;
 
 #define ACPI_AC_CLASS           "ac_adapter"
 
-extern void radeon_pm_acpi_event_handler(struct radeon_device *rdev);
-
 struct atif_verify_interface {
 	u16 size;		/* structure size in bytes (includes size field) */
 	u16 version;		/* version */
-- 
2.25.1