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 cd04007..5e6b264 100644 --- a/kernel/gsp_phys_gpu.c +++ b/kernel/gsp_phys_gpu.c @@ -228,6 +228,25 @@ int gsp_phys_rmcall_channel_value(void) EXPORT_SYMBOL_GPL(gsp_phys_rmcall_channel_value); /* + * FWCLIENT promote entry-selection mask (mode 24 bisection; default 0x3f = + * all six reference non-3D buffers). Bit i selects emitted entry i: + * 0 MAIN, 1 PM, 2 PATCH, 3 FECS_EVENT, 4 PRIV_ACCESS_MAP, + * 5 UNRESTRICTED_PRIV_ACCESS_MAP. Lets a bisection isolate which entry the + * server refuses without a rebuild. + */ +static u32 gsp_phys_rmcall_fwclient_mask_param = 0x3fu; +module_param_named(gsp_phys_rmcall_fwclient_mask, + gsp_phys_rmcall_fwclient_mask_param, uint, 0644); +MODULE_PARM_DESC(gsp_phys_rmcall_fwclient_mask, + "Bitmask (default 0x3f) selecting the mode-24 FWCLIENT promote entries to emit: bit0 MAIN, bit1 PM, bit2 PATCH, bit3 FECS_EVENT, bit4 PRIV_ACCESS_MAP, bit5 UNRESTRICTED_PRIV_ACCESS_MAP"); + +u32 gsp_phys_rmcall_fwclient_mask_value(void) +{ + return gsp_phys_rmcall_fwclient_mask_param; +} +EXPORT_SYMBOL_GPL(gsp_phys_rmcall_fwclient_mask_value); + +/* * Golden-image replay (default 0). When set (and gsp_phys_gpu=1), the rm-call * ladder's stage 3 replays the stock client's post-load golden-image channel * allocations (kgraphicsCreateGoldenImageChannel: a separate |