P4 to Git Change 1720436 by asalmanp@asalmanp-ocl-stg on 2018/12/14 10:27:28

SWDEV-132899 - [OCL][GFX10] correctly set the wavefrontWidth_ for gfx10.
	PAL reprots 64 for wavefrontSize so set it to 32 if the below conditions are met:
	1- if we are in HSAIL path and GPU_FORCE_WAVE_SIZE_32 is set
	2- or if we are in LC path andAsic is Navi10Plus

	ReviewRequestURL = http://ocltc.amd.com/reviews/r/16329/

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/pal/paldevice.cpp#120 edit

rocclr/runtime/device/pal/paldevice.cpp

@@ -611,7 +611,9 @@ void NullDevice::fillDeviceInfo(const Pal::DeviceProperties& palProp,
     info_.cuPerShaderArray_ = palProp.gfxipProperties.shaderCore.numCusPerShaderArray;
     info_.simdWidth_ = hwInfo()->simdWidth_;
     info_.simdInstructionWidth_ = hwInfo()->simdInstructionWidth_;
-    info_.wavefrontWidth_ = palProp.gfxipProperties.shaderCore.wavefrontSize;
+    info_.wavefrontWidth_ = ((settings().gfx10Hsail_ && GPU_FORCE_WAVE_SIZE_32) ||
+                            (settings().useLightning_ && ipLevel_ >= Pal::GfxIpLevel::GfxIp10_1)) ?
+                            32 :palProp.gfxipProperties.shaderCore.wavefrontSize;
     info_.availableSGPRs_ = palProp.gfxipProperties.shaderCore.numAvailableSgprs;
 
     info_.globalMemChannelBanks_ = 4;