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intel/devinfo: Compute the correct L3$ size for Gen12 

Fixes: 8125d7960b "intel/dev: Add preliminary device info for Tigerlake"
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Tested-by: Clayton Craft <clayton.a.craft@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4782>
This commit is contained in:
Jason Ekstrand 2020-04-27 22:43:42 -05:00 committed by Marge Bot
parent 7262c743dc
commit 86f67952d3
1 changed files with 11 additions and 0 deletions
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11
src/intel/dev/gen_device_info.c
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@ -1201,6 +1201,17 @@ update_from_topology(struct gen_device_info *devinfo,
}
}
if (devinfo->gen == 12 && devinfo->num_slices == 1) {
if (n_subslices >= 6) {
assert(n_subslices == 6);
devinfo->l3_banks = 8;
} else if (n_subslices > 2) {
devinfo->l3_banks = 6;
} else {
devinfo->l3_banks = 4;
}
}
uint32_t eu_mask_len =
topology->eu_stride * topology->max_subslices * topology->max_slices;
assert(sizeof(devinfo->eu_masks) >= eu_mask_len);