ACPI_LPS0_ENTRY_AMD/ACPI_LPS0_EXIT_AMD are supposedly not required for AMD platforms, and on some platforms they are not even listed in the function mask but at least some HP laptops seem to require it to properly support s0ix.
Based on a patch from Marcin Bachry <[email protected]>. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1230 Signed-off-by: Alex Deucher <[email protected]> Cc: Marcin Bachry <[email protected]> --- drivers/acpi/x86/s2idle.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index 2d7ddb8a8cb6..dc3cc021125e 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -317,11 +317,16 @@ static void lpi_check_constraints(void) } } +static bool acpi_s2idle_vendor_amd(void) +{ + return boot_cpu_data.x86_vendor == X86_VENDOR_AMD; +} + static void acpi_sleep_run_lps0_dsm(unsigned int func) { union acpi_object *out_obj; - if (!(lps0_dsm_func_mask & (1 << func))) + if (!acpi_s2idle_vendor_amd() && !(lps0_dsm_func_mask & (1 << func))) return; out_obj = acpi_evaluate_dsm(lps0_device_handle, &lps0_dsm_guid, rev_id, func, NULL); @@ -331,11 +336,6 @@ static void acpi_sleep_run_lps0_dsm(unsigned int func) func, out_obj ? "successful" : "failed"); } -static bool acpi_s2idle_vendor_amd(void) -{ - return boot_cpu_data.x86_vendor == X86_VENDOR_AMD; -} - static int lps0_device_attach(struct acpi_device *adev, const struct acpi_device_id *not_used) { -- 2.30.2 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
