Re: [PATCH] Fix lock up when switching off discrete graphics card in Dell XPS 9560 https://bugzilla.kernel.org/show_bug.cgi?id=156341

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Hi Tobias,

On Tue, Feb 21, 2017 at 01:36:25AM +0100, Tobias Schumacher wrote:
> Signed-off-by: Tobias Schumacher <tobe.schumacher@xxxxxxxxx>
> ---
>  drivers/acpi/blacklist.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
> index 4421f7c..7945f2f 100644
> --- a/drivers/acpi/blacklist.c
> +++ b/drivers/acpi/blacklist.c
> @@ -188,6 +188,20 @@ static struct dmi_system_id acpi_rev_dmi_table[] __initdata = {
>  		      DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"),
>  		},
>  	},
> +	/*
> +	 * Resolves issues that cause the system to lock up
> +	 * under certain conditions when the discrete graphics
> +	 * card is turned off
> +	 */
> +	{
> +	 .callback = dmi_enable_rev_override,
> +	 .ident = "DELL XPS 15 (2017)",
> +	 .matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "XPS 15 9560"),
> +		},
> +	},
> +
>  #endif
>  	{}
>  };

I thought conclusion was _not_ adding any new devices into this evergrowing
list. Or am I mistaken? As otherwise I'll sent similar patch for my
laptop ;-)

	ladis
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