ata: ahci: Disallow LPM for Asus B550-F motherboard

Asus ROG STRIX B550-F GAMING (WI-FI) motherboard has problems on some
SATA ports with at least one hard drive model (WDC WD20EFAX-68FB5N0)
when LPM is enabled. Disabling LPM solves the issue.

Cc: [email protected]
Fixes: 7627a0e ("ata: ahci: Drop low power policy board type")
Signed-off-by: Mikko Korhonen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[cassel: more detailed comment, make single line comments consistent]
Signed-off-by: Niklas Cassel <[email protected]>

Author: mjkorhon

drivers/ata/ahci.c

@@ -1452,7 +1452,23 @@ static bool ahci_broken_lpm(struct pci_dev *pdev)
 				DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 				DMI_MATCH(DMI_PRODUCT_VERSION, "ASUSPRO D840MB_M840SA"),
 			},
-			/* 320 is broken, there is no known good version yet. */
+			/* 320 is broken, there is no known good version. */
+		},
+		{
+			/*
+			 * AMD 500 Series Chipset SATA Controller [1022:43eb]
+			 * on this motherboard timeouts on ports 5 and 6 when
+			 * LPM is enabled, at least with WDC WD20EFAX-68FB5N0
+			 * hard drives. LPM with the same drive works fine on
+			 * all other ports on the same controller.
+			 */
+			.matches = {
+				DMI_MATCH(DMI_BOARD_VENDOR,
+					  "ASUSTeK COMPUTER INC."),
+				DMI_MATCH(DMI_BOARD_NAME,
+					  "ROG STRIX B550-F GAMING (WI-FI)"),
+			},
+			/* 3621 is broken, there is no known good version. */
 		},
 		{ }	/* terminate list */
 	};