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platform/x86: asus-wmi: corrections to egpu safety check

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An incorrect if statement was preventing the enablement of the egpu.

Fixes: d49f4d1a30 ("platform/x86: asus-wmi: don't allow eGPU switching if eGPU not connected")
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20230830022908.36264-2-luke@ljones.dev
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Luke D. Jones 2023-08-30 14:29:08 +12:00 committed by Hans de Goede
parent 06469a8dc3
commit acce85a7dd
1 changed files with 7 additions and 8 deletions
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15
drivers/platform/x86/asus-wmi.c
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@ -726,19 +726,18 @@ static ssize_t egpu_enable_store(struct device *dev,
return -EINVAL;
err = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED);
if (err < 0)
return err;
if (err < 1) {
err = -ENODEV;
pr_warn("Failed to set egpu disable: %d\n", err);
if (err < 0) {
pr_warn("Failed to get egpu connection status: %d\n", err);
return err;
}
if (asus->gpu_mux_mode_available) {
result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
if (result < 0)
if (result < 0) {
/* An error here may signal greater failure of GPU handling */
pr_warn("Failed to get gpu mux status: %d\n", result);
return result;
}
if (!result && enable) {
err = -ENODEV;
pr_warn("Can not enable eGPU when the MUX is in dGPU mode: %d\n", err);
@ -748,12 +747,12 @@ static ssize_t egpu_enable_store(struct device *dev,
err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, enable, &result);
if (err) {
pr_warn("Failed to set egpu disable: %d\n", err);
pr_warn("Failed to set egpu state: %d\n", err);
return err;
}
if (result > 1) {
pr_warn("Failed to set egpu disable (retval): 0x%x\n", result);
pr_warn("Failed to set egpu state (retval): 0x%x\n", result);
return -EIO;
}