[Bug 90400] [KBL SKL BSW BDW]igt/gem_ppgtt/flink-and-close-vma-leak fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90400

--- Comment #25 from cprigent <christophe.prigent at intel.com> ---
(In reply to Chris Wilson from comment #22)
> i915.enable_guc_loading=2 i915.enable_guc_submission=2 ???

We use it to load the GuC. At the moment it is not loaded by default:

https://cgit.freedesktop.org/drm-intel/tree/drivers/gpu/drm/i915/i915_params.c 

struct i915_params i915 __read_mostly = {
        …
        .enable_guc_loading = 0,
        .enable_guc_submission = 0,
        …
};

module_param_named_unsafe(enable_guc_loading, i915.enable_guc_loading, int,
0400);
MODULE_PARM_DESC(enable_guc_loading,
                "Enable GuC firmware loading "
                "(-1=auto, 0=never [default], 1=if available, 2=required)");

module_param_named_unsafe(enable_guc_submission, i915.enable_guc_submission,
int, 0400);
MODULE_PARM_DESC(enable_guc_submission,
                "Enable GuC submission "
                "(-1=auto, 0=never [default], 1=if available, 2=required)");

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