| Bug ID | 105950 |
|---|---|
| Summary | radeonsi: OpenCL not working correctly on a big endian machine |
| Product | Mesa |
| Version | 17.3 |
| Hardware | PowerPC |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | bas@daedalean.ai |
| QA Contact | dri-devel@lists.freedesktop.org |
Running any OpenCL program on a big endian machine using a radeonsi card fails. - union si_vgt_param_key uses a bitfield shared with a 32 bit value. This causes the index to be wrong on a big endian machine, and crashes any OpenCL program with a segfault. - si_setup_user_sgprs_co_v2 in si_compute.c fills a dispatch_packet struct with values which are uploaded to the GPU. To ensure this works correctly, these values need to be converted to little endian. I'll send patches to the mesa-dev list for both these issues. Bas Vermeulen
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