PR #1076 stopped forcing HSA_OVERRIDE_GFX_VERSION=11.0.0 on "natively-supported" AMD iGPUs. That was correct for gfx1150/gfx1151 (Strix 890M / Strix Halo, which are in the bundled rocblas allowlist) but wrong for gfx1103 (Phoenix/Hawk Point 780M/760M), which is NOT in that list. Without the override, ollama drops the 780M with "no rocblas support for gfx target" and falls back to CPU on a fresh AI provision. Extract the gfx→HSA mapping into a pure, unit-tested util and map gfx1103 → 11.0.0 (gfx1100 kernels), the value that worked on v1.33.0 and that restores full GPU offload in the field. gfx1150/1151 stay native. Also harden the installer's 780M detection (Hawk Point / "Radeon 780M/ 760M" strings) so the gfx marker isn't silently deleted, and upgrade the no-marker fallback log from info to warn since it can mask CPU fallback. |
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