[PATCH 2/4] drm/amdgpu: Init mcm_addr look up table

From: Hawking Zhang <[email protected]>

Encode mcm address look up table in SPX mode
as a temp solution.

v2: fill in when interface is ready (Alex)

Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Likun Gao <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_imu.h | 1 +
 drivers/gpu/drm/amd/amdgpu/imu_v12_1.c  | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_imu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_imu.h
index eb8537558f5fb..9c56be725ff3d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_imu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_imu.h
@@ -39,6 +39,7 @@ struct amdgpu_imu_funcs {
     int (*switch_compute_partition)(struct amdgpu_device *adev,
 				    int num_xccs_per_xcp,
 				    int compute_partition_mode);
+    void (*init_mcm_addr_lut)(struct amdgpu_device *adev);
 };
 
 struct imu_rlc_ram_golden {
diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v12_1.c b/drivers/gpu/drm/amd/amdgpu/imu_v12_1.c
index 71e35e16b683f..7077f74446960 100644
--- a/drivers/gpu/drm/amd/amdgpu/imu_v12_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/imu_v12_1.c
@@ -201,8 +201,14 @@ static int imu_v12_1_switch_compute_partition(struct amdgpu_device *adev,
 	return 0;
 }
 
+static void imu_v12_1_init_mcm_addr_lut(struct amdgpu_device *adev)
+{
+	/* todo: fill in when interface is ready */
+}
+
 const struct amdgpu_imu_funcs gfx_v12_1_imu_funcs = {
 	.init_microcode = imu_v12_1_init_microcode,
 	.load_microcode = imu_v12_1_load_microcode,
 	.switch_compute_partition = imu_v12_1_switch_compute_partition,
+	.init_mcm_addr_lut = imu_v12_1_init_mcm_addr_lut,
 };
-- 
2.55.0