linux-pikaos-template/patches/asuslinux/0002-platform-x86-asus-wmi-add-support-for-Vivobook-GPU-M.patch

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2024-03-17 14:15:34 +01:00
From 06d5a9b83548d99b70764166d723489cc8336b1d Mon Sep 17 00:00:00 2001
From: "Luke D. Jones" <luke@ljones.dev>
Date: Sun, 10 Mar 2024 17:10:05 +1300
Subject: [PATCH 2/5] platform/x86: asus-wmi: add support for Vivobook GPU MUX
Adjust existing MUX support to select whichever MUX support is available
so that ASUS Vivobook MUX can also be used if detected.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
---
drivers/platform/x86/asus-wmi.c | 18 +++++++++++++-----
include/linux/platform_data/x86/asus-wmi.h | 1 +
2 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index a56152ccfbe7..b9a2fb8007c0 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -268,6 +268,7 @@ struct asus_wmi {
bool egpu_connect_available;
bool dgpu_disable_available;
bool gpu_mux_mode_available;
+ u32 gpu_mux_dev;
/* Tunables provided by ASUS for gaming laptops */
bool ppt_pl2_sppt_available;
@@ -682,7 +683,7 @@ static ssize_t dgpu_disable_store(struct device *dev,
return -EINVAL;
if (asus->gpu_mux_mode_available) {
- result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+ result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
if (result < 0)
/* An error here may signal greater failure of GPU handling */
return result;
@@ -748,7 +749,7 @@ static ssize_t egpu_enable_store(struct device *dev,
}
if (asus->gpu_mux_mode_available) {
- result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+ result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
if (result < 0) {
/* An error here may signal greater failure of GPU handling */
pr_warn("Failed to get gpu mux status: %d\n", result);
@@ -801,7 +802,7 @@ static ssize_t gpu_mux_mode_show(struct device *dev,
struct asus_wmi *asus = dev_get_drvdata(dev);
int result;
- result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+ result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
if (result < 0)
return result;
@@ -847,7 +848,7 @@ static ssize_t gpu_mux_mode_store(struct device *dev,
}
}
- err = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_MUX, optimus, &result);
+ err = asus_wmi_set_devstate(asus->gpu_mux_dev, optimus, &result);
if (err) {
dev_err(dev, "Failed to set GPU MUX mode: %d\n", err);
return err;
@@ -4514,7 +4515,6 @@ static int asus_wmi_add(struct platform_device *pdev)
asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU);
asus->egpu_connect_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU_CONNECTED);
asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU);
- asus->gpu_mux_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX);
asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE);
asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE);
asus->ppt_pl2_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PL2_SPPT);
@@ -4536,6 +4536,14 @@ static int asus_wmi_add(struct platform_device *pdev)
asus->mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE2;
}
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX)) {
+ asus->gpu_mux_mode_available = true;
+ asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX;
+ } else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX_VIVO)) {
+ asus->gpu_mux_mode_available = true;
+ asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX_VIVO;
+ }
+
err = fan_boost_mode_check_present(asus);
if (err)
goto fail_fan_boost_mode;
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index 9cadce10ad9a..b48b024dd844 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -128,6 +128,7 @@
/* gpu mux switch, 0 = dGPU, 1 = Optimus */
#define ASUS_WMI_DEVID_GPU_MUX 0x00090016
+#define ASUS_WMI_DEVID_GPU_MUX_VIVO 0x00090026
/* TUF laptop RGB modes/colours */
#define ASUS_WMI_DEVID_TUF_RGB_MODE 0x00100056
--
2.44.0