diff options
author | Jason Ekstrand <jason@jlekstrand.net> | 2020-04-27 22:43:42 -0500 |
---|---|---|
committer | Dylan Baker <dylan.c.baker@intel.com> | 2020-04-28 12:01:48 -0700 |
commit | 002f718dfafdcb661d13bd8c46dd3d8f36b23494 (patch) | |
tree | 23a3cd1f7d1aeaf924b9484c2dd6ccdd0d44c8fd | |
parent | b7ef4447192c2d2b27715d7d2cc3bd2dfc59525c (diff) |
intel/devinfo: Compute the correct L3$ size for Gen12
Fixes: 8125d7960b6 "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>
(cherry picked from commit 86f67952d31554b8b4b5a9943b43ace988c6401f)
-rw-r--r-- | .pick_status.json | 2 | ||||
-rw-r--r-- | src/intel/dev/gen_device_info.c | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/.pick_status.json b/.pick_status.json index 1b72b86d04d..6a56b35b407 100644 --- a/.pick_status.json +++ b/.pick_status.json @@ -238,7 +238,7 @@ "description": "intel/devinfo: Compute the correct L3$ size for Gen12", "nominated": true, "nomination_type": 1, - "resolution": 0, + "resolution": 1, "master_sha": null, "because_sha": "8125d7960b672bcd597a2687e3078899afc52560" }, diff --git a/src/intel/dev/gen_device_info.c b/src/intel/dev/gen_device_info.c index ef444016e37..299d33f9501 100644 --- a/src/intel/dev/gen_device_info.c +++ b/src/intel/dev/gen_device_info.c @@ -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); |