diff options
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 163ac909bd06..e5e5c2e81d09 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1410,8 +1410,15 @@ static bool ahci_broken_suspend(struct pci_dev *pdev) static bool ahci_broken_lpm(struct pci_dev *pdev) { + /* + * Platforms with LPM problems. + * If driver_data is NULL, there is no existing BIOS version with + * functioning LPM. + * If driver_data is non-NULL, then driver_data contains the DMI BIOS + * build date of the first BIOS version with functioning LPM (i.e. older + * BIOS versions have broken LPM). + */ static const struct dmi_system_id sysids[] = { - /* Various Lenovo 50 series have LPM issues with older BIOSen */ { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), @@ -1438,13 +1445,30 @@ static bool ahci_broken_lpm(struct pci_dev *pdev) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"), }, + .driver_data = "20180409", /* 2.35 */ + }, + { + .matches = { + 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. */ + }, + { /* - * Note date based on release notes, 2.35 has been - * reported to be good, but I've been unable to get - * a hold of the reporter to get the DMI BIOS date. - * TODO: fix this. + * 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. */ - .driver_data = "20180310", /* 2.35 */ + .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 */ }; @@ -1455,6 +1479,9 @@ static bool ahci_broken_lpm(struct pci_dev *pdev) if (!dmi) return false; + if (!dmi->driver_data) + return true; + dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); |