diff options
Diffstat (limited to 'kernel/gsp_phys_gpu.c')
| -rw-r--r-- | kernel/gsp_phys_gpu.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/kernel/gsp_phys_gpu.c b/kernel/gsp_phys_gpu.c index 94d6652..54fa84a 100644 --- a/kernel/gsp_phys_gpu.c +++ b/kernel/gsp_phys_gpu.c @@ -201,6 +201,25 @@ bool gsp_phys_srv_ctxcommit_value(void) EXPORT_SYMBOL_GPL(gsp_phys_srv_ctxcommit_value); /* + * Force one channel-alloc variant id on the GR ladder (default 0 = the + * promote-mode-selected default). 5 = V5 (client memdescs, no skip-ctxbuffer; + * the server books its managed engine context), 6 = V6 (SKIP_CTXBUFFER_ALLOC, + * KMD-managed: the server skips the ctx-buffer map/book, so a client VA-only + * promote can add and commit the engine context VA). + */ +static int gsp_phys_rmcall_channel_param; +module_param_named(gsp_phys_rmcall_channel, gsp_phys_rmcall_channel_param, + int, 0644); +MODULE_PARM_DESC(gsp_phys_rmcall_channel, + "Force one GR channel-alloc variant id (1/3/4/5/6); 0 = mode-selected default walk"); + +int gsp_phys_rmcall_channel_value(void) +{ + return gsp_phys_rmcall_channel_param; +} +EXPORT_SYMBOL_GPL(gsp_phys_rmcall_channel_value); + +/* * P5 wave-1 shadow work forwarding (default 0). When set, the sema service * requests one real CE copy on the debugfs ladder's channel for each decoded * guest CE push, using only the ladder's module-owned buffers; the software |