Displaying 1 result from an estimated 1 matches for "quirk_broken_child_pm".
2019 Sep 30
0
[RFC PATCH] pci: prevent putting pcie devices into lower device states on certain intel bridges
...* But because this issue was NOT seen on laptops with an Nvidia Pascal GPU
+ * and an Intel Coffee Lake SoC, there is a higher chance of there being a bug
+ * in the bridge controller rather than in the GPU.
+ *
+ * This issue was not able to be reproduced on non laptop systems.
+ */
+
+static void quirk_broken_child_pm(struct pci_dev *dev)
+{
+ dev->broken_child_pm = 1;
+ printk("applied broken child pm quirk!\n");
+}
+/* kaby lake */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1901,
+ quirk_broken_child_pm);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index dd436da7eccc..01eb0a9e6c1...