Signed-off-by: Samir Dhume <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 1 +
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index 8fcf889ddce9..bebda5501cb7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -298,6 +298,7 @@ struct amdgpu_gfx_funcs {
        int (*switch_partition_mode)(struct amdgpu_device *adev,
                                     int num_xccs_per_xcp);
        int (*ih_node_to_logical_xcc)(struct amdgpu_device *adev, int ih_node);
+       int (*get_xcc_id)(struct amdgpu_device *adev, int inst);
 };
 
 struct sq_work {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index b53c8fd4e8cf..68508c19a9b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -669,6 +669,11 @@ static int gfx_v9_4_3_ih_to_xcc_inst(struct amdgpu_device 
*adev, int ih_node)
        return xcc - 1;
 }
 
+static int gfx_v9_4_3_get_xcc_id(struct amdgpu_device *adev, int inst)
+{
+       return RREG32_SOC15(GC, GET_INST(GC, inst), regCP_PSP_XCP_CTL);
+}
+
 static const struct amdgpu_gfx_funcs gfx_v9_4_3_gfx_funcs = {
        .get_gpu_clock_counter = &gfx_v9_4_3_get_gpu_clock_counter,
        .select_se_sh = &gfx_v9_4_3_xcc_select_se_sh,
@@ -678,6 +683,7 @@ static const struct amdgpu_gfx_funcs gfx_v9_4_3_gfx_funcs = 
{
        .select_me_pipe_q = &gfx_v9_4_3_select_me_pipe_q,
        .switch_partition_mode = &gfx_v9_4_3_switch_compute_partition,
        .ih_node_to_logical_xcc = &gfx_v9_4_3_ih_to_xcc_inst,
+       .get_xcc_id = &gfx_v9_4_3_get_xcc_id,
 };
 
 static int gfx_v9_4_3_aca_bank_generate_report(struct aca_handle *handle,
-- 
2.34.1

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