drm/amdgpu: add module parameter 'amdgpu_uni_mes'

Add module parameter 'amdgpu_uni_mes' to enable/disable unified
mes fw support.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -220,6 +220,7 @@ extern int amdgpu_discovery;
 extern int amdgpu_mes;
 extern int amdgpu_mes_log_enable;
 extern int amdgpu_mes_kiq;
+extern int amdgpu_uni_mes;
 extern int amdgpu_noretry;
 extern int amdgpu_force_asic_type;
 extern int amdgpu_smartshift_bias;

drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c

@@ -2236,6 +2236,8 @@ static int amdgpu_discovery_set_mes_ip_blocks(struct amdgpu_device *adev)
 		amdgpu_device_ip_block_add(adev, &mes_v11_0_ip_block);
 		adev->enable_mes = true;
 		adev->enable_mes_kiq = true;
+		if (amdgpu_uni_mes)
+			adev->enable_uni_mes = true;
 		break;
 	default:
 		break;

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -197,6 +197,7 @@ int amdgpu_discovery = -1;
 int amdgpu_mes;
 int amdgpu_mes_log_enable = 0;
 int amdgpu_mes_kiq;
+int amdgpu_uni_mes;
 int amdgpu_noretry = -1;
 int amdgpu_force_asic_type = -1;
 int amdgpu_tmz = -1; /* auto */
@@ -686,6 +687,15 @@ MODULE_PARM_DESC(mes_kiq,
 	"Enable Micro Engine Scheduler KIQ (0 = disabled (default), 1 = enabled)");
 module_param_named(mes_kiq, amdgpu_mes_kiq, int, 0444);
 
+/**
+ * DOC: uni_mes (int)
+ * Enable Unified Micro Engine Scheduler. This is a new engine pipe for unified scheduler.
+ * (0 = disabled (default), 1 = enabled)
+ */
+MODULE_PARM_DESC(uni_mes,
+	"Enable Unified Micro Engine Scheduler (0 = disabled (default), 1 = enabled)");
+module_param_named(uni_mes, amdgpu_uni_mes, int, 0444);
+
 /**
  * DOC: noretry (int)
  * Disable XNACK retry in the SQ by default on GFXv9 hardware. On ASICs that