forked from Minki/linux
ACPI: PM: Include alternate AMDI0005 id in special behaviour
The Surface Laptop 4 AMD has used the AMD0005 to identify this controller instead of using the appropriate ACPI ID AMDI0005. The AMD0005 needs the same special casing as AMDI0005. Link: https://github.com/linux-surface/acpidumps/tree/master/surface_laptop_4_amd Link: https://gist.github.com/nakato/2a1a7df1a45fe680d7a08c583e1bf863 Signed-off-by: Sachi King <nakato@nakato.io> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Cc: 5.14+ <stable@vger.kernel.org> # 5.14+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -371,7 +371,7 @@ static int lps0_device_attach(struct acpi_device *adev,
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return 0;
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if (acpi_s2idle_vendor_amd()) {
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/* AMD0004, AMDI0005:
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/* AMD0004, AMD0005, AMDI0005:
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* - Should use rev_id 0x0
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* - function mask > 0x3: Should use AMD method, but has off by one bug
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* - function mask = 0x3: Should use Microsoft method
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@ -390,6 +390,7 @@ static int lps0_device_attach(struct acpi_device *adev,
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ACPI_LPS0_DSM_UUID_MICROSOFT, 0,
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&lps0_dsm_guid_microsoft);
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if (lps0_dsm_func_mask > 0x3 && (!strcmp(hid, "AMD0004") ||
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!strcmp(hid, "AMD0005") ||
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!strcmp(hid, "AMDI0005"))) {
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lps0_dsm_func_mask = (lps0_dsm_func_mask << 1) | 0x1;
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acpi_handle_debug(adev->handle, "_DSM UUID %s: Adjusted function mask: 0x%x\n",
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