From 00e5506bbaa3259a5e9ac98106dcfc60b1adecab Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Tue, 31 Aug 2021 11:36:19 -0500 Subject: [PATCH] ACPI: PM: s2idle: Run both AMD and Microsoft methods if both are supported It was reported that on "HP ENVY x360" that power LED does not come back on, certain keys like brightness controls do not work, and the fan never spins up, even under load. In analysis of the SSDT it's clear that the Microsoft UUID doesn't provide functional support, but rather the AMD UUID should be supporting this system. Because this is a gap in the expected logic, confirmation with internal team is that AMD uPEP *does* run even when Microsoft UUID present, but most OEM systems have adopted value of "0x3" for supported functions and hence nothing runs. Henceforth add support for running both Microsoft and AMD methods. This approach will also allow the same logic on Intel systems if desired at a future time as well by pulling the evaluation of `lps0_dsm_func_mask_microsoft` out of the if block for `acpi_s2idle_vendor_amd`. BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1691 Reported-by: Maxwell Beck Signed-off-by: Mario Limonciello --- drivers/acpi/x86/s2idle.c | 67 +++++++++++++++++++++++---------------- 1 file changed, 39 insertions(+), 28 deletions(-) diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index 3a308461246a..7d1976e5dd8b 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -449,25 +449,30 @@ int acpi_s2idle_prepare_late(void) if (pm_debug_messages_on) lpi_check_constraints(); - if (lps0_dsm_func_mask_microsoft > 0) { + /* screen off */ + if (lps0_dsm_func_mask > 0) + acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ? + ACPI_LPS0_SCREEN_OFF_AMD : + ACPI_LPS0_SCREEN_OFF, + lps0_dsm_func_mask, lps0_dsm_guid); + + if (lps0_dsm_func_mask_microsoft > 0) acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF, lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); - acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_ENTRY, - lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); + + /* lps0 entry */ + if (lps0_dsm_func_mask > 0) + acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ? + ACPI_LPS0_ENTRY_AMD : + ACPI_LPS0_ENTRY, + lps0_dsm_func_mask, lps0_dsm_guid); + if (lps0_dsm_func_mask_microsoft > 0) { acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY, lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); - } else if (acpi_s2idle_vendor_amd()) { - acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF_AMD, - lps0_dsm_func_mask, lps0_dsm_guid); - acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY_AMD, - lps0_dsm_func_mask, lps0_dsm_guid); - } else { - acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF, - lps0_dsm_func_mask, lps0_dsm_guid); - acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY, - lps0_dsm_func_mask, lps0_dsm_guid); + /* modern standby entry */ + acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_ENTRY, + lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); } - return 0; } @@ -476,24 +481,30 @@ void acpi_s2idle_restore_early(void) if (!lps0_device_handle || sleep_no_lps0) return; - if (lps0_dsm_func_mask_microsoft > 0) { - acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT, - lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); + /* mdoern standby exit */ + if (lps0_dsm_func_mask_microsoft > 0) acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_EXIT, lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); - acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON, - lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); - } else if (acpi_s2idle_vendor_amd()) { - acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT_AMD, - lps0_dsm_func_mask, lps0_dsm_guid); - acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON_AMD, - lps0_dsm_func_mask, lps0_dsm_guid); - } else { + + /* lps0 exit */ + if (lps0_dsm_func_mask > 0) + acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ? + ACPI_LPS0_EXIT_AMD : + ACPI_LPS0_EXIT, + lps0_dsm_func_mask, lps0_dsm_guid); + if (lps0_dsm_func_mask_microsoft > 0) acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT, - lps0_dsm_func_mask, lps0_dsm_guid); + lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); + + /* screen on */ + if (lps0_dsm_func_mask_microsoft > 0) acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON, - lps0_dsm_func_mask, lps0_dsm_guid); - } + lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); + if (lps0_dsm_func_mask > 0) + acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ? + ACPI_LPS0_SCREEN_ON_AMD : + ACPI_LPS0_SCREEN_ON, + lps0_dsm_func_mask, lps0_dsm_guid); } static const struct platform_s2idle_ops acpi_s2idle_ops_lps0 = { -- GitLab