drm/amdgpu: add scheduler initialization

1. Add kernel parameter option, default 0
2. Add scheduler initialization for amdgpu

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Acked-by: Christian K?nig <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 4c75e1c..2800cf7 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -4,7 +4,8 @@
 
 ccflags-y := -Iinclude/drm -Idrivers/gpu/drm/amd/include/asic_reg \
 	-Idrivers/gpu/drm/amd/include \
-	-Idrivers/gpu/drm/amd/amdgpu
+	-Idrivers/gpu/drm/amd/amdgpu \
+	-Idrivers/gpu/drm/amd/scheduler
 
 amdgpu-y := amdgpu_drv.o
 
@@ -82,6 +83,10 @@
 # add cgs
 amdgpu-y += amdgpu_cgs.o
 
+# GPU scheduler
+amdgpu-y += \
+	../scheduler/gpu_scheduler.o
+
 amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
 amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
 amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o