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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [KBL SKL BSW BDW]igt/gem_ppgtt/flink-and-close-vma-leak fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90400#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [KBL SKL BSW BDW]igt/gem_ppgtt/flink-and-close-vma-leak fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90400">bug 90400</a>
from <span class="vcard"><a class="email" href="mailto:christophe.prigent@intel.com" title="cprigent <christophe.prigent@intel.com>"> <span class="fn">cprigent</span></a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=90400#c22">comment #22</a>)
<span class="quote">> i915.enable_guc_loading=2 i915.enable_guc_submission=2 ???</span >
We use it to load the GuC. At the moment it is not loaded by default:
<a href="https://cgit.freedesktop.org/drm-intel/tree/drivers/gpu/drm/i915/i915_params.c">https://cgit.freedesktop.org/drm-intel/tree/drivers/gpu/drm/i915/i915_params.c</a>
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)");</pre>
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