drm/amdgpu: Fetch MES scheduler/KIQ versions

Store MES scheduler and MES KIQ version numbers in amdgpu_mes for GFX11.
Signed-off-by: NGraham Sider <Graham.Sider@amd.com>
Acked-by: NFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: NJack Xiao <Jack.Xiao@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -65,6 +65,9 @@ struct amdgpu_mes {
 
 	spinlock_t                      queue_id_lock;
 
+	uint32_t			sched_version;
+	uint32_t			kiq_version;
+
 	uint32_t                        total_max_queue;
 	uint32_t                        doorbell_id_offset;
 	uint32_t                        max_doorbell_slices;

drivers/gpu/drm/amd/amdgpu/mes_v11_0.c

@@ -858,6 +858,18 @@ static int mes_v11_0_queue_init(struct amdgpu_device *adev,
 		mes_v11_0_queue_init_register(ring);
 	}
 
+	/* get MES scheduler/KIQ versions */
+	mutex_lock(&adev->srbm_mutex);
+	soc21_grbm_select(adev, 3, pipe, 0, 0);
+
+	if (pipe == AMDGPU_MES_SCHED_PIPE)
+		adev->mes.sched_version = RREG32_SOC15(GC, 0, regCP_MES_GP3_LO);
+	else if (pipe == AMDGPU_MES_KIQ_PIPE && adev->enable_mes_kiq)
+		adev->mes.kiq_version = RREG32_SOC15(GC, 0, regCP_MES_GP3_LO);
+
+	soc21_grbm_select(adev, 0, 0, 0, 0);
+	mutex_unlock(&adev->srbm_mutex);
+
 	return 0;
 }