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UBUNTU: SAUCE: r8169: Add quirks to enable ASPM on Dell platforms

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BugLink: https://bugs.launchpad.net/bugs/2042385

Some non-Dell platforms equipped with r8168h/r8111 have issue on ASPM,
It's very hard to fix all known issues in a short time and
r8168h/r8111 is not a brand new NIC chip,
so introduce the quirk for Dell platfroms.
It's also easier to track the Dell platform and ask Realtek's effort.

Ref. https://bugzilla.kernel.org/show_bug.cgi?id=217814
Signed-off-by: Koba Ko <koba.ko@canonical.com>
Signed-off-by: Timo Aaltonen <timo.aaltonen@canonical.com>
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
This commit is contained in:
Koba Ko
2023-11-20 16:27:54 +00:00
committed by Paolo Pisati
parent 6c70187239
commit 96f2c6d05e
1 changed files with 78 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/ethernet/realtek/r8169_main.c
+78 -1
View File
@@ -15,6 +15,7 @@
#include <linux/etherdevice.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/if_vlan.h>
@@ -5164,11 +5165,87 @@ done:
rtl_rar_set(tp, mac_addr);
}
static bool rtl_aspm_dell_workaround(struct rtl8169_private *tp)
{
static const struct dmi_system_id sysids[] = {
{
.ident = "Dell",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 16 5640"),
DMI_MATCH(DMI_PRODUCT_SKU, "0CA0"),
},
},
{
.ident = "Dell",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 14 3440"),
DMI_MATCH(DMI_PRODUCT_SKU, "0CA5"),
},
},
{
.ident = "Dell",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 14 3440"),
DMI_MATCH(DMI_PRODUCT_SKU, "0CA6"),
},
},
{
.ident = "Dell",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3450"),
DMI_MATCH(DMI_PRODUCT_SKU, "0C99"),
},
},
{
.ident = "Dell",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3450"),
DMI_MATCH(DMI_PRODUCT_SKU, "0C97"),
},
},
{
.ident = "Dell",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3550"),
DMI_MATCH(DMI_PRODUCT_SKU, "0C9A"),
},
},
{
.ident = "Dell",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3550"),
DMI_MATCH(DMI_PRODUCT_SKU, "0C98"),
},
},
{}
};
if (tp->mac_version == RTL_GIGA_MAC_VER_46 && dmi_check_system(sysids))
return true;
return false;
}
/* register is set if system vendor successfully tested ASPM 1.2 */
static bool rtl_aspm_is_safe(struct rtl8169_private *tp)
{
/* definition of 0xc0b2,
* 0: L1
* 1: ASPM L1.0
* 2: ASPM L0s
* 3: CLKEREQ
* 4-7: Reserved
*/
if (tp->mac_version >= RTL_GIGA_MAC_VER_61 &&
r8168_mac_ocp_read(tp, 0xc0b2) & 0xf)
r8168_mac_ocp_read(tp, 0xc0b2) & 0xf ||
rtl_aspm_dell_workaround(tp))
return true;
return false;