drm/radeon: move ci_send_msg_to_smc to where it's used

It's used in ci_dpm.c so move it there and make it static.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/ci_dpm.c

@@ -184,6 +184,7 @@ static int ci_set_overdrive_target_tdp(struct radeon_device *rdev,
 				       u32 target_tdp);
 static int ci_update_uvd_dpm(struct radeon_device *rdev, bool gate);
 
+static PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
 static PPSMC_Result ci_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
 						      PPSMC_Msg msg, u32 parameter);
 
@@ -1651,6 +1652,27 @@ static int ci_notify_hw_of_power_source(struct radeon_device *rdev,
 }
 #endif
 
+static PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg)
+{
+	u32 tmp;
+	int i;
+
+	if (!ci_is_smc_running(rdev))
+		return PPSMC_Result_Failed;
+
+	WREG32(SMC_MESSAGE_0, msg);
+
+	for (i = 0; i < rdev->usec_timeout; i++) {
+		tmp = RREG32(SMC_RESP_0);
+		if (tmp != 0)
+			break;
+		udelay(1);
+	}
+	tmp = RREG32(SMC_RESP_0);
+
+	return (PPSMC_Result)tmp;
+}
+
 static PPSMC_Result ci_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
 						      PPSMC_Msg msg, u32 parameter)
 {

drivers/gpu/drm/radeon/ci_dpm.h

@@ -330,7 +330,6 @@ int ci_program_jump_on_start(struct radeon_device *rdev);
 void ci_stop_smc_clock(struct radeon_device *rdev);
 void ci_start_smc_clock(struct radeon_device *rdev);
 bool ci_is_smc_running(struct radeon_device *rdev);
-PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
 PPSMC_Result ci_wait_for_smc_inactive(struct radeon_device *rdev);
 int ci_load_smc_ucode(struct radeon_device *rdev, u32 limit);
 int ci_read_smc_sram_dword(struct radeon_device *rdev,

drivers/gpu/drm/radeon/ci_smc.c

@@ -163,27 +163,6 @@ bool ci_is_smc_running(struct radeon_device *rdev)
 	return false;
 }
 
-PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg)
-{
-	u32 tmp;
-	int i;
-
-	if (!ci_is_smc_running(rdev))
-		return PPSMC_Result_Failed;
-
-	WREG32(SMC_MESSAGE_0, msg);
-
-	for (i = 0; i < rdev->usec_timeout; i++) {
-		tmp = RREG32(SMC_RESP_0);
-		if (tmp != 0)
-			break;
-		udelay(1);
-	}
-	tmp = RREG32(SMC_RESP_0);
-
-	return (PPSMC_Result)tmp;
-}
-
 #if 0
 PPSMC_Result ci_wait_for_smc_inactive(struct radeon_device *rdev)
 {