drm/amd/powerplay: declare functions instand of include header file.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/inc/smumgr.h

@@ -121,6 +121,12 @@ extern int smu_allocate_memory(void *device, uint32_t size,
 
 extern int smu_free_memory(void *device, void *handle);
 
+extern int cz_smum_init(struct pp_smumgr *smumgr);
+extern int iceland_smum_init(struct pp_smumgr *smumgr);
+extern int tonga_smum_init(struct pp_smumgr *smumgr);
+extern int fiji_smum_init(struct pp_smumgr *smumgr);
+extern int polaris10_smum_init(struct pp_smumgr *smumgr);
+
 #define SMUM_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
 
 #define SMUM_FIELD_MASK(reg, field) reg##__##field##_MASK

drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c

@@ -28,11 +28,6 @@
 #include "smumgr.h"
 #include "cgs_common.h"
 #include "linux/delay.h"
-#include "cz_smumgr.h"
-#include "tonga_smumgr.h"
-#include "iceland_smumgr.h"
-#include "fiji_smumgr.h"
-#include "polaris10_smumgr.h"
 
 int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 {