Re: [PATCH AUTOSEL 5.13 31/59] platform/x86: asus-nb-wmi: Revert "add support for ASUS ROG Zephyrus G14 and G15"

[Hans de Goede <hdegoede@redhat.com>]

Hi,

On 7/5/21 7:08 PM, Hans de Goede wrote:
> Hi,
> 
> On 7/5/21 5:27 PM, Sasha Levin wrote:
>> From: "Luke D. Jones" <luke@ljones.dev>
>>
>> [ Upstream commit 28117f3a5c3c8375a3304af76357d5bf9cf30f0b ]
>>
>> The quirks added to asus-nb-wmi for the ASUS ROG Zephyrus G14 and G15 are
>> wrong, they tell the asus-wmi code to use the vendor specific WMI backlight
>> interface. But there is no such interface on these laptops.
>>
>> As a side effect, these quirks stop the acpi_video driver to register since
>> they make acpi_video_get_backlight_type() return acpi_backlight_vendor,
>> leaving only the native AMD backlight driver in place, which is the one we
>> want. This happy coincidence is being replaced with a new quirk in
>> drivers/acpi/video_detect.c which actually sets the backlight_type to
>> acpi_backlight_native fixinf this properly. This reverts
>> commit 13bceda68fb9 ("platform/x86: asus-nb-wmi: add support for ASUS ROG
>> Zephyrus G14 and G15").
>>
>> Signed-off-by: Luke D. Jones <luke@ljones.dev>
>> Link: https://lore.kernel.org/r/20210419074915.393433-3-luke@ljones.dev
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
> 
> Note this should only be cherry-picked if commit 2dfbacc65d1d
> ("ACPI: video: use native backlight for GA401/GA502/GA503"):
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2dfbacc65d1d2eae587ccb6b93f6280542641858
> 
> Is also being cherry-picked, since the quirk added in that commit
> replaces the quirks which are being reverted here.

p.s.

The same remark also replies to the 5.12 and 5.10 cherry-picks of
this commit.



>> ---
>>  drivers/platform/x86/asus-nb-wmi.c | 82 ------------------------------
>>  1 file changed, 82 deletions(-)
>>
>> diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
>> index b07b1288346e..0cb927f0f301 100644
>> --- a/drivers/platform/x86/asus-nb-wmi.c
>> +++ b/drivers/platform/x86/asus-nb-wmi.c
>> @@ -110,16 +110,6 @@ static struct quirk_entry quirk_asus_forceals = {
>>  	.wmi_force_als_set = true,
>>  };
>>  
>> -static struct quirk_entry quirk_asus_ga401i = {
>> -	.wmi_backlight_power = true,
>> -	.wmi_backlight_set_devstate = true,
>> -};
>> -
>> -static struct quirk_entry quirk_asus_ga502i = {
>> -	.wmi_backlight_power = true,
>> -	.wmi_backlight_set_devstate = true,
>> -};
>> -
>>  static struct quirk_entry quirk_asus_use_kbd_dock_devid = {
>>  	.use_kbd_dock_devid = true,
>>  };
>> @@ -430,78 +420,6 @@ static const struct dmi_system_id asus_quirks[] = {
>>  		},
>>  		.driver_data = &quirk_asus_forceals,
>>  	},
>> -	{
>> -		.callback = dmi_matched,
>> -		.ident = "ASUSTeK COMPUTER INC. GA401IH",
>> -		.matches = {
>> -			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
>> -			DMI_MATCH(DMI_PRODUCT_NAME, "GA401IH"),
>> -		},
>> -		.driver_data = &quirk_asus_ga401i,
>> -	},
>> -	{
>> -		.callback = dmi_matched,
>> -		.ident = "ASUSTeK COMPUTER INC. GA401II",
>> -		.matches = {
>> -			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
>> -			DMI_MATCH(DMI_PRODUCT_NAME, "GA401II"),
>> -		},
>> -		.driver_data = &quirk_asus_ga401i,
>> -	},
>> -	{
>> -		.callback = dmi_matched,
>> -		.ident = "ASUSTeK COMPUTER INC. GA401IU",
>> -		.matches = {
>> -			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
>> -			DMI_MATCH(DMI_PRODUCT_NAME, "GA401IU"),
>> -		},
>> -		.driver_data = &quirk_asus_ga401i,
>> -	},
>> -	{
>> -		.callback = dmi_matched,
>> -		.ident = "ASUSTeK COMPUTER INC. GA401IV",
>> -		.matches = {
>> -			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
>> -			DMI_MATCH(DMI_PRODUCT_NAME, "GA401IV"),
>> -		},
>> -		.driver_data = &quirk_asus_ga401i,
>> -	},
>> -	{
>> -		.callback = dmi_matched,
>> -		.ident = "ASUSTeK COMPUTER INC. GA401IVC",
>> -		.matches = {
>> -			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
>> -			DMI_MATCH(DMI_PRODUCT_NAME, "GA401IVC"),
>> -		},
>> -		.driver_data = &quirk_asus_ga401i,
>> -	},
>> -		{
>> -		.callback = dmi_matched,
>> -		.ident = "ASUSTeK COMPUTER INC. GA502II",
>> -		.matches = {
>> -			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
>> -			DMI_MATCH(DMI_PRODUCT_NAME, "GA502II"),
>> -		},
>> -		.driver_data = &quirk_asus_ga502i,
>> -	},
>> -	{
>> -		.callback = dmi_matched,
>> -		.ident = "ASUSTeK COMPUTER INC. GA502IU",
>> -		.matches = {
>> -			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
>> -			DMI_MATCH(DMI_PRODUCT_NAME, "GA502IU"),
>> -		},
>> -		.driver_data = &quirk_asus_ga502i,
>> -	},
>> -	{
>> -		.callback = dmi_matched,
>> -		.ident = "ASUSTeK COMPUTER INC. GA502IV",
>> -		.matches = {
>> -			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
>> -			DMI_MATCH(DMI_PRODUCT_NAME, "GA502IV"),
>> -		},
>> -		.driver_data = &quirk_asus_ga502i,
>> -	},
>>  	{
>>  		.callback = dmi_matched,
>>  		.ident = "Asus Transformer T100TA / T100HA / T100CHI",
>>