On Tue, May 12, 2015 at 12:29:48PM -0500, Mario Limonciello wrote: > On 05/12/2015 12:21 PM, Matthew Garrett wrote: > >to be there forever. So we're basically left with adding > >CONFIG_ACPI_WORKAROUND_BROKEN_DELLS which enables the quirk, default > >it to Y and then let distributions set it to N when they've got > >sufficiently new userspace. Unless someone has a better plan? > Just to be clear, from the Dell side only the XPS 13 9343 has this _REV > behavior. > What's wrong with a DMI quirk until I2S is mature on the kernel side and > userspace is new enough in distros? Is it too early in boot for DMI quirks? If we're waiting for distros to have new enough userspace we're looking at waiting several years at least, especially when you start looking at distros like Debian (which two of the users in this thread are, though I'm not on stable). > That would enforce that no other machines can use _REV value of 5 to detect > Linux without breaking the 9343. What Matthew suggested was making the quirk a compile time option.
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