P4 to Git Change 1338972 by scharupa@scharupa_temp on 2016/11/09 16:33:58

SWDEV-95488 - Limiting max cap Context on ROCm, it is limited to 100

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/device.cpp#204 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/device.hpp#279 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.cpp#25 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.hpp#7 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocsettings.cpp#6 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocvirtual.cpp#16 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocvirtual.hpp#4 edit

rocclr/runtime/device/rocm/rocvirtual.cpp

@@ -450,6 +450,8 @@ bool VirtualGPU::releaseGpuMemoryFence() {
 VirtualGPU::VirtualGPU(Device &device)
     : device::VirtualDevice(device)
     , roc_device_(device)
+    , index_(device_.numOfVgpus_++) // Virtual gpu unique index incrementing
+    , gpuDevice_(device)
 {
     gpu_device_ = device.getBackendDevice();
     // Initialize the last signal and dispatch flags
@@ -477,6 +479,7 @@ VirtualGPU::~VirtualGPU()
     }
 
     tools_lib_ = NULL;
+    --gpuDevice_.numOfVgpus_; // Virtual gpu unique index decrementing
 }
 
 bool
@@ -494,6 +497,11 @@ VirtualGPU::create(bool profilingEna)
         tools_lib_ = amd::Os::loadLibrary(tools_lib_name);
     }
 
+    // Checking Virtual gpu unique index for ROCm backend
+    if (index() > device().settings().commandQueues_) {
+        return false;
+    }
+
     uint32_t queue_max_packets = 0;
     if (HSA_STATUS_SUCCESS !=
         hsa_agent_get_info(