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Altera_Forum's avatar
Altera_Forum
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10 years ago

OpenCL memory hang on custom platform

We are porting the OpenCL platform to a custom Cyclone V board. Have successfully compiled the OpenCL framework into an FPGA binary (RBF) and is currently loaded on the system. The CMA modules are bu...
WKnat's avatar
WKnat
Icon for New Contributor rankNew Contributor
6 years ago

Hi, I have got the same issue in linux kernel 4.1.22 or newer. In new linux kernel , the request_irq (PIO_IRQ, aclsoc_irq, irq_type, DRIVER_NAME, (void*)aclsoc) function in aoclsoc driver can't get the hardware irq No.72. There is a solution that is porting the aoclsoc driver to platform driver and getting the hardware irq number form device tree. Here is the new cyclone soc opencl rte for linux 4.9.78.