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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [lars] dEQP-GLES31.functional.geometry_shading.layered#render_with_default_layer_3d failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107505#c19">Comment # 19</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [lars] dEQP-GLES31.functional.geometry_shading.layered#render_with_default_layer_3d failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107505">bug 107505</a>
from <span class="vcard"><a class="email" href="mailto:lionel.g.landwerlin@linux.intel.com" title="Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>"> <span class="fn">Lionel Landwerlin</span></a>
</span></b>
<pre>(In reply to gaurav.k.singh from <a href="show_bug.cgi?id=107505#c18">comment #18</a>)
<span class="quote">> Lionel,
>
> The skylake lars system I am using is GT1 only.
>
> The reason why is from the below info:
>
> localhost /sys/kernel/debug/dri/0 # cat i915_sseu_status
> SSEU Device Info
> Available Slice Total: 1
> Available Subslice Total: 2
> Available Subslice Per Slice: 2
> Available EU Total: 12
> Available EU Per Subslice: 6
> Has Slice Power Gating: no
> Has Subslice Power Gating: no
> Has EU Power Gating: yes
> SSEU Device Status
> Enabled Slice Total: 1
> Enabled Subslice Total: 2
> Enabled Subslice Per Slice: 2
> Enabled EU Total: 16
> Enabled EU Per Subslice: 8
>
> Confirmed with below mesa code as well which defined device info for skl_gt1:
>
> static const struct gen_device_info gen_device_info_skl_gt1 = {
> GEN9_FEATURES, .gt = 1,
> .is_skylake = true,
> .num_slices = 1,
> .num_subslices = { 2, },
> .num_eu_per_subslice = 6,
> .l3_banks = 2,
> .urb.size = 192,
> };</span >
Oh thanks. Then trying .urb.size = 128 would be interesting as it seems to be
the lower bound for GT1 systems.</pre>
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