diff options
| 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 | 47127bd44d89eb0c44359cc93630317e671cf386 (patch) | |
| tree | 166b88624117798fd682343921ce60829457675d | |
| parent | 87d84d6f6c16d33f39290c7d0551fc38f24ed4b8 (diff) | |
| download | open-iov-47127bd44d89eb0c44359cc93630317e671cf386.tar.gz open-iov-47127bd44d89eb0c44359cc93630317e671cf386.zip | |
vgsp: ctxshare_force probe - keep the commit carrier A share-less (share on V6 only; m59 A+share promote rejected)
| -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, |