Re: [PATCH v3] acpi: mv models with win8 brightness problems from win8 blacklist to use_native_backlight

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On Monday, July 14, 2014 02:37:09 PM Hans de Goede wrote:
> When the windows8 related backlight problems became evident, 2 approaches
> were follow in parallel, one was to stop claiming to be windows 8 / 2012,
> the other was to tell acpi_video to stop registering a backlight driver.
> 
> I've read all the threads and it seems that which approach ended up being
> applied to which model laptop was never really a concious decision (AFAIK):
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=51231
> https://bugzilla.kernel.org/show_bug.cgi?id=60682
> 
> So lets move all the models which are only on the win8 blacklist because of
> brightness issues to the use_native_backlight list, which is the smaller
> hammer to use to solve the backlight issues.
> 
> Making this change is esp. attractive now that 3.16 has
> video.use_native_brightness=1 by default. If that new default does not get
> reverted because of regressions, then we can drop all the models
> with a use_native_backlight quirk, greatly reducing the number of models we've
> a quirk for.
> 
> Note: this is not tested on any of the affected models, this just seems like
> the sensible thing to do.
> 
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Queued up for 3.17, thanks!

> --
> 
> Changes in v2: Rebased on top of v3.16-rc1
> Changes in v3: The Dell Inspiron 7737 does not have a dmi_disable_osi_win8
> quirk because of backlight reasons, but for other reasons, keep the quirk.
> ---
>  drivers/acpi/blacklist.c | 68 ++----------------------------------------------
>  drivers/acpi/video.c     | 68 ++++++++++++++++++++++++++++++++++++++++++++++--
>  2 files changed, 68 insertions(+), 68 deletions(-)
> 
> diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
> index 3d8413d..36eb42e 100644
> --- a/drivers/acpi/blacklist.c
> +++ b/drivers/acpi/blacklist.c
> @@ -247,75 +247,11 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
>  	},
>  
>  	/*
> -	 * The following machines have broken backlight support when reporting
> -	 * the Windows 2012 OSI, so disable it until their support is fixed.
> +	 * These machines will power on immediately after shutdown when
> +	 * reporting the Windows 2012 OSI.
>  	 */
>  	{
>  	.callback = dmi_disable_osi_win8,
> -	.ident = "ASUS Zenbook Prime UX31A",
> -	.matches = {
> -		     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
> -		     DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"),
> -		},
> -	},
> -	{
> -	.callback = dmi_disable_osi_win8,
> -	.ident = "ThinkPad Edge E530",
> -	.matches = {
> -		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -		     DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"),
> -		},
> -	},
> -	{
> -	.callback = dmi_disable_osi_win8,
> -	.ident = "ThinkPad Edge E530",
> -	.matches = {
> -		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -		     DMI_MATCH(DMI_PRODUCT_VERSION, "3259CTO"),
> -		},
> -	},
> -	{
> -	.callback = dmi_disable_osi_win8,
> -	.ident = "ThinkPad Edge E530",
> -	.matches = {
> -		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -		     DMI_MATCH(DMI_PRODUCT_VERSION, "3259HJG"),
> -		},
> -	},
> -	{
> -	.callback = dmi_disable_osi_win8,
> -	.ident = "Acer Aspire V5-573G",
> -	.matches = {
> -		     DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
> -		     DMI_MATCH(DMI_PRODUCT_VERSION, "V5-573G/Dazzle_HW"),
> -		},
> -	},
> -	{
> -	.callback = dmi_disable_osi_win8,
> -	.ident = "Acer Aspire V5-572G",
> -	.matches = {
> -		     DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
> -		     DMI_MATCH(DMI_PRODUCT_VERSION, "V5-572G/Dazzle_CX"),
> -		},
> -	},
> -	{
> -	.callback = dmi_disable_osi_win8,
> -	.ident = "ThinkPad T431s",
> -	.matches = {
> -		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -		     DMI_MATCH(DMI_PRODUCT_VERSION, "20AACTO1WW"),
> -		},
> -	},
> -	{
> -	.callback = dmi_disable_osi_win8,
> -	.ident = "ThinkPad T430",
> -	.matches = {
> -		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -		     DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"),
> -		},
> -	},
> -	{
> -	.callback = dmi_disable_osi_win8,
>  	.ident = "Dell Inspiron 7737",
>  	.matches = {
>  		    DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
> index e38c3b3..6194054 100644
> --- a/drivers/acpi/video.c
> +++ b/drivers/acpi/video.c
> @@ -460,6 +460,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
>  	},
>  	{
>  	 .callback = video_set_use_native_backlight,
> +	 .ident = "ThinkPad X230",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +		DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X230"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
>  	 .ident = "ThinkPad T430 and T430s",
>  	 .matches = {
>  		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> @@ -468,10 +476,42 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
>  	},
>  	{
>  	 .callback = video_set_use_native_backlight,
> -	 .ident = "ThinkPad X230",
> +	 .ident = "ThinkPad T430",
>  	 .matches = {
>  		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -		DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X230"),
> +		DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
> +	 .ident = "ThinkPad T431s",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +		DMI_MATCH(DMI_PRODUCT_VERSION, "20AACTO1WW"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
> +	 .ident = "ThinkPad Edge E530",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +		DMI_MATCH(DMI_PRODUCT_VERSION, "3259A2G"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
> +	 .ident = "ThinkPad Edge E530",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +		DMI_MATCH(DMI_PRODUCT_VERSION, "3259CTO"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
> +	 .ident = "ThinkPad Edge E530",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +		DMI_MATCH(DMI_PRODUCT_VERSION, "3259HJG"),
>  		},
>  	},
>  	{
> @@ -563,6 +603,30 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
>  		},
>  	},
>  	{
> +	 .callback = video_set_use_native_backlight,
> +	 .ident = "Acer Aspire V5-572G",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
> +		DMI_MATCH(DMI_PRODUCT_VERSION, "V5-572G/Dazzle_CX"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
> +	 .ident = "Acer Aspire V5-573G",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "Acer Aspire"),
> +		DMI_MATCH(DMI_PRODUCT_VERSION, "V5-573G/Dazzle_HW"),
> +		},
> +	},
> +	{
> +	 .callback = video_set_use_native_backlight,
> +	 .ident = "ASUS Zenbook Prime UX31A",
> +	 .matches = {
> +		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
> +		DMI_MATCH(DMI_PRODUCT_NAME, "UX31A"),
> +		},
> +	},
> +	{
>  	.callback = video_set_use_native_backlight,
>  	.ident = "HP ProBook 4340s",
>  	.matches = {
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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