diff options
Diffstat (limited to 'kernel/gsp_phys_gpu.c')
| -rw-r--r-- | kernel/gsp_phys_gpu.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/gsp_phys_gpu.c b/kernel/gsp_phys_gpu.c index f323c6c..3429507 100644 --- a/kernel/gsp_phys_gpu.c +++ b/kernel/gsp_phys_gpu.c @@ -726,6 +726,26 @@ int gsp_phys_rmcall_gr_rel_mod_value(void) EXPORT_SYMBOL_GPL(gsp_phys_rmcall_gr_rel_mod_value); /* + * m66 fault-buffer aperture (gsp_phys_rmcall_faultbuf_sys; default 0). When + * set, the mode-35 TSG fault-method buffers are registered host sysmem chunks + * (the aperture the capture itself used) instead of server FBMEM, so engine + * fault entries written by the hardware after a launch are host-readable and + * can be dumped in the post-mortem. Diagnostic only; the promote shape is + * otherwise identical. + */ +static int gsp_phys_rmcall_faultbuf_sys_param; +module_param_named(gsp_phys_rmcall_faultbuf_sys, + gsp_phys_rmcall_faultbuf_sys_param, int, 0644); +MODULE_PARM_DESC(gsp_phys_rmcall_faultbuf_sys, + "Register the mode-35 TSG fault buffers as host sysmem (captured aperture; default 0 = FBMEM first)"); + +int gsp_phys_rmcall_faultbuf_sys_value(void) +{ + return gsp_phys_rmcall_faultbuf_sys_param; +} +EXPORT_SYMBOL_GPL(gsp_phys_rmcall_faultbuf_sys_value); + +/* * Ladder VAS ownership selector (gsp_phys_rmcall_vas_shared; default 0). * The H1 GR promote wall is a direct consequence of the ladder's * externally-owned FERMI_VASPACE_A: with IS_EXTERNALLY_OWNED the RM treats |