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ACPI fix for 6.4-rc1

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Remove an ACPI backlight quirk for Lenovo ThinkPad W530, added during
 the 6.3 cycle, that turned out to do more harm than help (Hans de Goede).
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Merge tag 'acpi-6.4-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Remove an ACPI backlight quirk for Lenovo ThinkPad W530, added during
  the 6.3 cycle, that turned out to do more harm than help (Hans de
  Goede)"

* tag 'acpi-6.4-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: video: Remove acpi_backlight=video quirk for Lenovo ThinkPad W530
This commit is contained in:
Linus Torvalds 2023-05-05 12:10:09 -07:00
commit 7163a2111f
1 changed files with 0 additions and 14 deletions
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14
drivers/acpi/video_detect.c
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@ -293,20 +293,6 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
},
},
/*
* Older models with nvidia GPU which need acpi_video backlight
* control and where the old nvidia binary driver series does not
* call acpi_video_register_backlight().
*/
{
.callback = video_detect_force_video,
/* ThinkPad W530 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W530"),
},
},
/*
* These models have a working acpi_video backlight control, and using
* native backlight causes a regression where backlight does not work