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Date: Tue, 21 Feb 2017 01:36:25 +0100 From: Tobias Schumacher <tobe.schumacher@...il.com> To: rjw@...ysocki.net, lenb@...nel.org Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org, Tobias Schumacher <tobe.schumacher@...il.com> Subject: [PATCH] Fix lock up when switching off discrete graphics card in Dell XPS 9560 https://bugzilla.kernel.org/show_bug.cgi?id=156341 Signed-off-by: Tobias Schumacher <tobe.schumacher@...il.com> --- 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 {} }; -- 2.9.3
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