ACPI: x86: s2idle: Force AMD GUID/_REV 2 on HP Elitebook 865
HP Elitebook 865 supports both the AMD GUID w/ _REV 2 and Microsoft GUID with _REV 0. Both have very similar code but the AMD GUID has a special workaround that is specific to a problem with spurious wakeups on systems with Qualcomm WLAN. This is believed to be a bug in the Qualcomm WLAN F/W (it doesn't affect any other WLAN H/W). If this WLAN firmware is fixed this quirk can be dropped. Cc: stable@vger.kernel.org # 6.1 Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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3ea45390e9
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@ -401,6 +401,13 @@ static const struct acpi_device_id amd_hid_ids[] = {
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{}
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};
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static int lps0_prefer_amd(const struct dmi_system_id *id)
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{
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pr_debug("Using AMD GUID w/ _REV 2.\n");
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rev_id = 2;
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return 0;
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}
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static int lps0_prefer_microsoft(const struct dmi_system_id *id)
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{
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pr_debug("Preferring Microsoft GUID.\n");
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@ -462,6 +469,19 @@ static const struct dmi_system_id s2idle_dmi_table[] __initconst = {
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DMI_MATCH(DMI_PRODUCT_NAME, "ROG Flow X16 GV601"),
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},
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},
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{
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/*
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* AMD Rembrandt based HP EliteBook 835/845/865 G9
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* Contains specialized AML in AMD/_REV 2 path to avoid
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* triggering a bug in Qualcomm WLAN firmware. This may be
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* removed in the future if that firmware is fixed.
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*/
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.callback = lps0_prefer_amd,
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.matches = {
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DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
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DMI_MATCH(DMI_BOARD_NAME, "8990"),
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},
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},
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{}
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};
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