disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/i915/gvt/debugfs.c
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@@ -175,8 +175,13 @@
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  */
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 void intel_gvt_debugfs_remove_vgpu(struct intel_vgpu *vgpu)
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 {
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-	debugfs_remove_recursive(vgpu->debugfs);
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-	vgpu->debugfs = NULL;
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+	struct intel_gvt *gvt = vgpu->gvt;
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+	struct drm_minor *minor = gvt->gt->i915->drm.primary;
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+
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+	if (minor->debugfs_root && gvt->debugfs_root) {
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+		debugfs_remove_recursive(vgpu->debugfs);
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+		vgpu->debugfs = NULL;
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+	}
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 }
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 /**
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@@ -199,6 +204,10 @@
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  */
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 void intel_gvt_debugfs_clean(struct intel_gvt *gvt)
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 {
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-	debugfs_remove_recursive(gvt->debugfs_root);
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-	gvt->debugfs_root = NULL;
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+	struct drm_minor *minor = gvt->gt->i915->drm.primary;
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+
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+	if (minor->debugfs_root) {
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+		debugfs_remove_recursive(gvt->debugfs_root);
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+		gvt->debugfs_root = NULL;
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+	}
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 }