Messages in this thread | | | Date | Sat, 24 Jul 2021 23:15:50 +1200 | From | Luke Jones <> | Subject | Re: [PATCH 3/4] asus-wmi: Add egpu enable method |
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Oh I see, thanks. I was trying to do the "-v3" on send-email part.
On Sat, Jul 17 2021 at 17:57:54 +0200, Hans de Goede <hdegoede@redhat.com> wrote: > Hi Luke, > > On 7/17/21 10:19 AM, Luke Jones wrote: >> Damn. I thought `-v2` on `git send-email` would bump patch version >> too. What is the correct way to do that for a full patch sequence? > > You need to split the sending of patches into 2 steps, which > generally is a good > idea anyways, since that will also allow you to easily add a > cover-letter to the > series: > > Lets say you are ready to send v3 and you have the 3 patches as the > last 3 > commits in your git tree's current HEAD, then you would do: > > git format-patch --cover-letter -v3 HEAD~3 > $EDITOR v3-0000*.patch > # Edit the cover letter, say something like: > # Hi All here is v3 of my ... series, which does foobar > # new in v3 is ... > # And don't forget to set the Subject > git send-email v3-00*.patch > > And you're done. I hope this helps. > > Regards, > > Hans > > > > > >> >> On Sat, Jul 17 2021 at 20:15:30 +1200, Luke Jones <luke@ljones.dev> >> wrote: >>> Apologies, I forgot that the patches contain sequence. There is >>> actually no 4th patch (the patch itself was already upstreamed). >>> >>> Sincere regards, >>> Luke. >>> >>> On Sat, Jul 17 2021 at 20:13:23 +1200, Luke D. Jones >>> <luke@ljones.dev> wrote: >>>> The X13 Flow laptops can utilise an external GPU. This requires >>>> toggling an ACPI method which will first disable the internal >>>> dGPU, and then enable the eGPU. >>>> >>>> Signed-off-by: Luke D. Jones <luke@ljones.dev> >>>> --- >>>> drivers/platform/x86/asus-wmi.c | 91 >>>> ++++++++++++++++++++++ >>>> include/linux/platform_data/x86/asus-wmi.h | 3 + >>>> 2 files changed, 94 insertions(+) >>>> >>>> diff --git a/drivers/platform/x86/asus-wmi.c >>>> b/drivers/platform/x86/asus-wmi.c >>>> index 02762a60d27a..ee5d8656641e 100644 >>>> --- a/drivers/platform/x86/asus-wmi.c >>>> +++ b/drivers/platform/x86/asus-wmi.c >>>> @@ -210,6 +210,9 @@ struct asus_wmi { >>>> u8 fan_boost_mode_mask; >>>> u8 fan_boost_mode; >>>> >>>> + bool egpu_enable_available; // 0 = enable >>>> + bool egpu_enable; >>>> + >>>> bool dgpu_disable_available; >>>> bool dgpu_disable; >>>> >>>> @@ -430,6 +433,86 @@ static void >>>> lid_flip_tablet_mode_get_state(struct asus_wmi *asus) >>>> } >>>> } >>>> >>>> +/* eGPU >>>> ********************************************************************/ >>>> +static int egpu_enable_check_present(struct asus_wmi *asus) >>>> +{ >>>> + u32 result; >>>> + int err; >>>> + >>>> + asus->egpu_enable_available = false; >>>> + >>>> + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_EGPU, >>>> &result); >>>> + if (err) { >>>> + if (err == -ENODEV) >>>> + return 0; >>>> + return err; >>>> + } >>>> + >>>> + if (result & ASUS_WMI_DSTS_PRESENCE_BIT) { >>>> + asus->egpu_enable_available = true; >>>> + asus->egpu_enable = result & ASUS_WMI_DSTS_STATUS_BIT; >>>> + } >>>> + >>>> + return 0; >>>> +} >>>> + >>>> +static int egpu_enable_write(struct asus_wmi *asus) >>>> +{ >>>> + int err; >>>> + u8 value; >>>> + u32 retval; >>>> + >>>> + value = asus->egpu_enable; >>>> + >>>> + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, value, >>>> &retval); >>>> + >>>> + if (err) { >>>> + pr_warn("Failed to set egpu disable: %d\n", err); >>>> + return err; >>>> + } >>>> + >>>> + if (retval > 1 || retval < 0) { >>>> + pr_warn("Failed to set egpu disable (retval): 0x%x\n", >>>> retval); >>>> + return -EIO; >>>> + } >>>> + >>>> + sysfs_notify(&asus->platform_device->dev.kobj, NULL, >>>> "egpu_enable"); >>>> + >>>> + return 0; >>>> +} >>>> + >>>> +static ssize_t egpu_enable_show(struct device *dev, >>>> + struct device_attribute *attr, char *buf) >>>> +{ >>>> + struct asus_wmi *asus = dev_get_drvdata(dev); >>>> + bool mode = asus->egpu_enable; >>>> + >>>> + return sysfs_emit(buf, "%d\n", mode); >>>> +} >>>> + >>>> +static ssize_t egpu_enable_store(struct device *dev, >>>> + struct device_attribute *attr, >>>> + const char *buf, size_t count) >>>> +{ >>>> + int result; >>>> + bool disable; >>>> + struct asus_wmi *asus = dev_get_drvdata(dev); >>>> + >>>> + result = kstrtobool(buf, &disable); >>>> + if (result == -EINVAL) >>>> + return result; >>>> + >>>> + asus->egpu_enable = disable; >>>> + >>>> + result = egpu_enable_write(asus); >>>> + if (result != 0) >>>> + return result; >>>> + >>>> + return count; >>>> +} >>>> + >>>> +static DEVICE_ATTR_RW(egpu_enable); >>>> + >>>> /* dGPU >>>> ********************************************************************/ >>>> static int dgpu_disable_check_present(struct asus_wmi *asus) >>>> { >>>> @@ -2502,6 +2585,7 @@ static struct attribute >>>> *platform_attributes[] = { >>>> &dev_attr_camera.attr, >>>> &dev_attr_cardr.attr, >>>> &dev_attr_touchpad.attr, >>>> + &dev_attr_egpu_enable.attr, >>>> &dev_attr_dgpu_disable.attr, >>>> &dev_attr_lid_resume.attr, >>>> &dev_attr_als_enable.attr, >>>> @@ -2529,6 +2613,8 @@ static umode_t asus_sysfs_is_visible(struct >>>> kobject *kobj, >>>> devid = ASUS_WMI_DEVID_LID_RESUME; >>>> else if (attr == &dev_attr_als_enable.attr) >>>> devid = ASUS_WMI_DEVID_ALS_ENABLE; >>>> + else if (attr == &dev_attr_egpu_enable.attr) >>>> + ok = asus->egpu_enable_available; >>>> else if (attr == &dev_attr_dgpu_disable.attr) >>>> ok = asus->dgpu_disable_available; >>>> else if (attr == &dev_attr_fan_boost_mode.attr) >>>> @@ -2792,6 +2878,10 @@ static int asus_wmi_add(struct >>>> platform_device *pdev) >>>> if (err) >>>> goto fail_platform; >>>> >>>> + err = egpu_enable_check_present(asus); >>>> + if (err) >>>> + goto fail_egpu_enable; >>>> + >>>> err = dgpu_disable_check_present(asus); >>>> if (err) >>>> goto fail_dgpu_disable; >>>> @@ -2896,6 +2986,7 @@ static int asus_wmi_add(struct >>>> platform_device *pdev) >>>> fail_sysfs: >>>> fail_throttle_thermal_policy: >>>> fail_fan_boost_mode: >>>> +fail_egpu_enable: >>>> fail_dgpu_disable: >>>> fail_platform: >>>> fail_panel_od: >>>> diff --git a/include/linux/platform_data/x86/asus-wmi.h >>>> b/include/linux/platform_data/x86/asus-wmi.h >>>> index a528f9d0e4b7..17dc5cb6f3f2 100644 >>>> --- a/include/linux/platform_data/x86/asus-wmi.h >>>> +++ b/include/linux/platform_data/x86/asus-wmi.h >>>> @@ -90,6 +90,9 @@ >>>> /* Keyboard dock */ >>>> #define ASUS_WMI_DEVID_KBD_DOCK 0x00120063 >>>> >>>> +/* dgpu on/off */ >>>> +#define ASUS_WMI_DEVID_EGPU 0x00090019 >>>> + >>>> /* dgpu on/off */ >>>> #define ASUS_WMI_DEVID_DGPU 0x00090020 >>>> >>>> -- >>>> 2.31.1 >>>> >>> >> >> >
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