P4 to Git Change 1808507 by axie@axie-pal-lc4 on 2019/06/11 14:11:09

SWDEV-187399 - ​Linux-Pro Pyro_Explosion.hip Image difference is observed specific to W9000 ASIC in OCL mode

	The issue disappeared when we invalidate L1 cache after each dispatch.

	This change also fix ocltst runtime OCLMultiQueue test in Tahiti Brahma driver.

	Tests:
	http://ocltc.amd.com:8111/viewModification.html?modId=121519&personal=true&tab=vcsModificationBuilds

	Test in the Houdini app. The symptom disappeared.
	This change also fix ocltst runtime OCLMultiQueue test in Tahiti Brahma driver.

	ReviewBoard: http://ocltc.amd.com/reviews/r/17509/

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpukernel.cpp#337 edit

rocclr/runtime/device/gpu/gpukernel.cpp

@@ -1443,6 +1443,9 @@ bool Kernel::run(VirtualGPU& gpu, GpuEvent* calEvent, bool lastRun, bool lastDop
   gpu.rs()->Dispatch(gpu.cs(), &dispatch->gridBlock, &dispatch->partialGridBlock,
                      &dispatch->gridSize, dispatch->localSize, gpu.vmMems(), dispatch->memCount_,
                      lastDoppCmd, pfpaDoppCmd);
+
+  gpu.flushCUCaches();
+
   gpu.eventEnd(MainEngine, *calEvent);
 
   // Unbind all resources