rocr/driver: move wallclock frequency query to driver layer

Move the wallclock frequency query from GpuAgent to driver layer to improve
code organization and support multiple driver types. This change:

1. Add GetWallclockFrequency API to KFD/XDNA drivers
2. Move libdrm GPU info query from GpuAgent to driver implementation
3. Update GpuAgent to use the new driver API

Signed-off-by: Honglei Huang <Honglei1.Huang@amd.com>


[ROCm/ROCR-Runtime commit: 412e386b50]

projects/rocr-runtime/runtime/hsa-runtime/core/driver/kfd/amd_kfd_driver.cpp

@@ -611,5 +611,21 @@ hsa_status_t KfdDriver::IsModelEnabled(bool* enable) const {
   return HSA_STATUS_SUCCESS;
 }
 
+hsa_status_t KfdDriver::GetWallclockFrequency(uint32_t node_id, uint64_t* frequency) const {
+  assert(frequency);
+
+  amdgpu_gpu_info info;
+  amdgpu_device_handle handle;
+  if (GetDeviceHandle(node_id, reinterpret_cast<void**>(&handle)) != HSA_STATUS_SUCCESS)
+    return HSA_STATUS_ERROR;
+
+  if (DRM_CALL(amdgpu_query_gpu_info(handle, &info)) < 0) return HSA_STATUS_ERROR;
+
+  // Reported by libdrm in KHz.
+  *frequency = uint64_t(info.gpu_counter_freq) * 1000ull;
+
+  return HSA_STATUS_SUCCESS;
+}
+
 } // namespace AMD
 } // namespace rocr

projects/rocr-runtime/runtime/hsa-runtime/core/driver/xdna/amd_xdna_driver.cpp

@@ -890,5 +890,9 @@ hsa_status_t XdnaDriver::GetTileConfig(uint32_t node_id, HsaGpuTileConfig* confi
   return HSA_STATUS_ERROR;
 }
 
+hsa_status_t XdnaDriver::GetWallclockFrequency(uint32_t node_id, uint64_t* frequency) const {
+  return HSA_STATUS_ERROR;
+}
+
 } // namespace AMD
 } // namespace rocr