diff options
Diffstat (limited to '0006-asus-bios-add-apu-mem.patch')
| -rw-r--r-- | 0006-asus-bios-add-apu-mem.patch | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/0006-asus-bios-add-apu-mem.patch b/0006-asus-bios-add-apu-mem.patch new file mode 100644 index 000000000000..17ec6262547b --- /dev/null +++ b/0006-asus-bios-add-apu-mem.patch @@ -0,0 +1,160 @@ +From ae58c8b2e60a5feff3cf833d7f572414758d06c2 Mon Sep 17 00:00:00 2001 +From: "Luke D. Jones" <luke@ljones.dev> +Date: Sun, 2 Jun 2024 14:44:31 +1200 +Subject: [PATCH 6/8] asus-bios: add apu-mem + +Signed-off-by: Luke D. Jones <luke@ljones.dev> +--- + drivers/platform/x86/asus-bios.c | 116 +++++++++++++++++++++ + include/linux/platform_data/x86/asus-wmi.h | 1 + + 2 files changed, 117 insertions(+) + +diff --git a/drivers/platform/x86/asus-bios.c b/drivers/platform/x86/asus-bios.c +index d453f02a22fd..bcb053b57102 100644 +--- a/drivers/platform/x86/asus-bios.c ++++ b/drivers/platform/x86/asus-bios.c +@@ -425,6 +425,120 @@ static ssize_t egpu_enable_current_value_store(struct kobject *kobj, + WMI_SHOW_INT(egpu_enable_current_value, "%d\n", ASUS_WMI_DEVID_EGPU); + ATTR_GROUP_BOOL_CUSTOM(egpu_enable, "egpu_enable", "Enable the eGPU (also disables dGPU)"); + ++/* Device memory available to APU */ ++ ++static ssize_t apu_mem_current_value_show(struct kobject *kobj, ++ struct kobj_attribute *attr, char *buf) ++{ ++ int err; ++ u32 mem; ++ ++ err = asus_wmi_get_devstate_dsts(ASUS_WMI_DEVID_APU_MEM, &mem); ++ if (err) ++ return err; ++ ++ switch (mem) { ++ case 256: ++ mem = 0; ++ break; ++ case 258: ++ mem = 1; ++ break; ++ case 259: ++ mem = 2; ++ break; ++ case 260: ++ mem = 3; ++ break; ++ case 261: ++ mem = 4; ++ break; ++ case 262: ++ /* This is out of order and looks wrong but is correct */ ++ mem = 8; ++ break; ++ case 263: ++ mem = 5; ++ break; ++ case 264: ++ mem = 6; ++ break; ++ case 265: ++ mem = 7; ++ break; ++ default: ++ mem = 4; ++ break; ++ } ++ ++ return sysfs_emit(buf, "%d\n", mem); ++} ++ ++static ssize_t apu_mem_current_value_store(struct kobject *kobj, ++ struct kobj_attribute *attr, ++ const char *buf, size_t count) ++{ ++ int result, err; ++ u32 requested, mem; ++ ++ result = kstrtou32(buf, 10, &requested); ++ if (result) ++ return result; ++ ++ switch (requested) { ++ case 0: ++ mem = 0; ++ break; ++ case 1: ++ mem = 258; ++ break; ++ case 2: ++ mem = 259; ++ break; ++ case 3: ++ mem = 260; ++ break; ++ case 4: ++ mem = 261; ++ break; ++ case 5: ++ mem = 263; ++ break; ++ case 6: ++ mem = 264; ++ break; ++ case 7: ++ mem = 265; ++ break; ++ case 8: ++ /* This is outof order and looks wrong but is correct */ ++ mem = 262; ++ break; ++ default: ++ return -EIO; ++ } ++ ++ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_APU_MEM, mem, &result); ++ if (err) { ++ pr_warn("Failed to set apu_mem: %d\n", err); ++ return err; ++ } ++ ++ pr_info("APU memory changed to %dGB, reboot required\n", requested); ++ sysfs_notify(kobj, NULL, attr->attr.name); ++ ++ asus_set_reboot_and_signal_event(); ++ ++ return count; ++} ++ ++static ssize_t apu_mem_possible_values_show(struct kobject *kobj, ++ struct kobj_attribute *attr, char *buf) ++{ ++ return sysfs_emit(buf, "0;1;2;3;4;5;6;7;8\n"); ++} ++ATTR_GROUP_ENUM_CUSTOM(apu_mem, "apu_mem", "Set the available system memory for the APU to use"); ++ + /* Simple attribute creation */ + ATTR_GROUP_ENUM_INT_RW(thermal_policy, "thermal_policy", ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY, 0, 3, "0;1;2", "Fan stuff todo"); + ATTR_GROUP_PPT_RW(ppt_pl1_spl, "ppt_pl1_spl", ASUS_WMI_DEVID_PPT_PL1_SPL, +@@ -534,6 +648,8 @@ static int asus_fw_attr_add(void) + sysfs_create_group(&asus_bios.fw_attr_kset->kobj, &dgpu_base_tgp_attr_group); + if (asus_wmi_is_present(ASUS_WMI_DEVID_DGPU_SET_TGP)) + sysfs_create_group(&asus_bios.fw_attr_kset->kobj, &dgpu_tgp_attr_group); ++ if (asus_wmi_is_present(ASUS_WMI_DEVID_APU_MEM)) ++ sysfs_create_group(&asus_bios.fw_attr_kset->kobj, &apu_mem_attr_group); + + if (asus_wmi_is_present(ASUS_WMI_DEVID_CHARGE_MODE)) + sysfs_create_group(&asus_bios.fw_attr_kset->kobj, &charge_mode_attr_group); +diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h +index 71f3f1d67479..da0e423ecb06 100644 +--- a/include/linux/platform_data/x86/asus-wmi.h ++++ b/include/linux/platform_data/x86/asus-wmi.h +@@ -130,6 +130,7 @@ + + #define ASUS_WMI_DEVID_DGPU_BASE_TGP 0x00120099 + #define ASUS_WMI_DEVID_DGPU_SET_TGP 0x00120098 ++#define ASUS_WMI_DEVID_APU_MEM 0x000600C1 + + /* gpu mux switch, 0 = dGPU, 1 = Optimus */ + #define ASUS_WMI_DEVID_GPU_MUX 0x00090016 +-- +2.45.1 + |