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intel: fix subslice computation from topology data

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We're missing the offset of the slice in the subslice mask...

This worked for most platforms that don't have first slice fused off
because we would reread the same mask from slice0 again and again...

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: c1900f5b0f ("intel: devinfo: add helper functions to fill fusing masks values")
Gitlab: https://gitlab.freedesktop.org/mesa/mesa/issues/1869
Reviewed-by: Mark Janes <mark.a.janes@intel.com>
(cherry picked from commit d36763b2a4)
This commit is contained in:
Lionel Landwerlin 2019-10-04 19:37:14 +03:00 • committed by Dylan Baker
parent c289ac9a22
commit 34d738ff2e
1 changed files with 1 additions and 1 deletions
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2
src/intel/dev/gen_device_info.c
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@ -1104,7 +1104,7 @@ update_from_topology(struct gen_device_info *devinfo,
for (int b = 0; b < devinfo->subslice_slice_stride; b++) {
devinfo->num_subslices[s] +=
__builtin_popcount(devinfo->subslice_masks[b]);
__builtin_popcount(devinfo->subslice_masks[s * devinfo->subslice_slice_stride + b]);
}
n_subslices += devinfo->num_subslices[s];
}