[Bug 107505] [lars] dEQP-GLES31.functional.geometry_shading.layered#render_with_default_layer_3d failure

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107505

--- Comment #19 from Lionel Landwerlin <lionel.g.landwerlin at linux.intel.com> ---
(In reply to gaurav.k.singh from comment #18)
> 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,
> };

Oh thanks. Then trying .urb.size = 128 would be interesting as it seems to be
the lower bound for GT1 systems.

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