And prevent calling i915_ggtt_disable_guc twice (the first when GuC init
failed, and the second time during driver unload / intel_uc_fini_hw),
and hitting the GEM_BUG_ON.
Fixes: 04f7b24eccdf ("drm/i915/guc: Assert that we switch between known
ggtt->invalidate functions")
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Signed-off-by: Michel Thierry <michel.thierry@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_uc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 3524ff07a0f2..c5ef4fa2b404 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -433,6 +433,11 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv)
DRM_NOTE("Falling back from GuC submission to execlist mode\n");
}
+ if (i915.enable_guc_loading) {
+ i915.enable_guc_loading = 0;
+ DRM_NOTE("GuC firmware loading disabled\n");
+ }
+
return ret;
}
--
2.11.0
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