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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-06 21:21:35 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-06 21:21:35 -0400 |
| commit | e0cb55ac2a23a31722881e54039a5967005000d3 (patch) | |
| tree | 3d5881af90923a58a0ac13b5aa5475f1a7320314 /kernel | |
| parent | 57871ebb5f0132e554b1b1f825096f8e9c112229 (diff) | |
| download | open-iov-e0cb55ac2a23a31722881e54039a5967005000d3.tar.gz open-iov-e0cb55ac2a23a31722881e54039a5967005000d3.zip | |
vgsp: ctxshare_force probe - keep the commit carrier A share-less (share on V6 only; m59 A+share promote rejected)
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/gsp_phys_booter.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/gsp_phys_booter.c b/kernel/gsp_phys_booter.c index 4fc8b4f..5c124ef 100644 --- a/kernel/gsp_phys_booter.c +++ b/kernel/gsp_phys_booter.c @@ -10393,6 +10393,13 @@ static int gsp_phys_rmcall_golden_sibling_alloc(void __iomem *bar0) cpu_to_le32(GSP_PHYS_RMCALL_GOLDEN_GPFIFO_ENTRIES); ch.engine_type = cpu_to_le32(GSP_PHYS_RMCALL_ENGINE_GR0); ch.flags = cpu_to_le32(GSP_PHYS_RMCALL_CHANNEL_FLAG_GOLDEN9_SIBLING_A); + /* + * ctxshare_force probe: only the execution channel V6 takes the share; + * the commit carrier A stays share-less so its mode-31 promote behaves + * exactly as the proven configuration (m59 showed A+share rejects). + */ + if (gsp_phys_rmcall_ctxshare_force_value()) + ch.h_context_share = cpu_to_le32(0); ch.internal_flags = cpu_to_le32( GSP_PHYS_RMCALL_CHANNEL_INTERNALFLAGS_PRIV_KERNEL); ret = gsp_phys_rmcall_alloc_fb_mem(bar0, |