Re: [Intel-gfx] [PATCH] drm/i915/dpcd_bl: Don't try vesa interface unless specified by VBT

2021-04-06 Thread Jani Nikula
On Tue, 23 Mar 2021, Lyude Paul wrote: > On Tue, 2021-03-23 at 16:06 +0200, Jani Nikula wrote: >> On Thu, 18 Mar 2021, Lyude Paul wrote: >> > Actually-NAK this. I just realized I've been misreading the bug and that >> > this >> > doesn't actually seem to be fixed. Will resend once I figure out wh

Re: [PATCH] drm/i915/dpcd_bl: Don't try vesa interface unless specified by VBT

2021-03-23 Thread Lyude Paul
On Tue, 2021-03-23 at 16:06 +0200, Jani Nikula wrote: > On Thu, 18 Mar 2021, Lyude Paul wrote: > > Actually-NAK this. I just realized I've been misreading the bug and that > > this > > doesn't actually seem to be fixed. Will resend once I figure out what's > > going on > > Well, I think there are

Re: [PATCH] drm/i915/dpcd_bl: Don't try vesa interface unless specified by VBT

2021-03-23 Thread Jani Nikula
On Thu, 18 Mar 2021, Lyude Paul wrote: > Actually-NAK this. I just realized I've been misreading the bug and that this > doesn't actually seem to be fixed. Will resend once I figure out what's going > on Well, I think there are actually multiple issues on multiple machines. This fixes the issue

Re: [PATCH] drm/i915/dpcd_bl: Don't try vesa interface unless specified by VBT

2021-03-18 Thread Lyude Paul
Actually-NAK this. I just realized I've been misreading the bug and that this doesn't actually seem to be fixed. Will resend once I figure out what's going on On Thu, 2021-03-18 at 13:02 -0400, Lyude Paul wrote: > Looks like that there actually are another subset of laptops on the market > that do

[PATCH] drm/i915/dpcd_bl: Don't try vesa interface unless specified by VBT

2021-03-18 Thread Lyude Paul
Looks like that there actually are another subset of laptops on the market that don't support the Intel HDR backlight interface, but do advertise support for the VESA DPCD backlight interface despite the fact it doesn't seem to work. Note though I'm not entirely clear on this - on one of the machi