Re: [PATCH 1/2] drm/i915/dpcd_bl: Skip testing control capability with force DPCD quirk

2020-10-09 Thread Satadru Pramanik
Kevin Chowski said he would be geting to working on upstreaming a version of that which was in the ChromeOS tree here: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2344844 when I last spoke to hi (This was two weeks ago.) Kevin - do you have any input on this? Sata

Re: [PATCH 1/2] drm/i915/dpcd_bl: Skip testing control capability with force DPCD quirk

2020-10-08 Thread Lyude Paul
oh hold on, I misspoke. Here's the patch I was thinking of: https://patchwork.freedesktop.org/series/82041/ On Thu, 2020-10-08 at 10:32 +0800, Kai-Heng Feng wrote: > Hi Lyude, > > > On Oct 8, 2020, at 05:53, Lyude Paul wrote: > > > > Hi! I thought this patch rang a bell, we actually already ha

Re: [PATCH 1/2] drm/i915/dpcd_bl: Skip testing control capability with force DPCD quirk

2020-10-08 Thread Lyude Paul
On Thu, 2020-10-08 at 10:32 +0800, Kai-Heng Feng wrote: > Hi Lyude, > > > On Oct 8, 2020, at 05:53, Lyude Paul wrote: > > > > Hi! I thought this patch rang a bell, we actually already had some > > discussion > > about this since there's a couple of other systems this was causing issues > > for.

Re: [PATCH 1/2] drm/i915/dpcd_bl: Skip testing control capability with force DPCD quirk

2020-10-08 Thread Kai-Heng Feng
Hi Lyude, > On Oct 8, 2020, at 05:53, Lyude Paul wrote: > > Hi! I thought this patch rang a bell, we actually already had some discussion > about this since there's a couple of other systems this was causing issues > for. > Unfortunately it never seems like that patch got sent out. Satadru? >

Re: [PATCH 1/2] drm/i915/dpcd_bl: Skip testing control capability with force DPCD quirk

2020-10-07 Thread Lyude Paul
Hi! I thought this patch rang a bell, we actually already had some discussion about this since there's a couple of other systems this was causing issues for. Unfortunately it never seems like that patch got sent out. Satadru? (if I don't hear back from them soon, I'll just send out a patch for thi

[PATCH 1/2] drm/i915/dpcd_bl: Skip testing control capability with force DPCD quirk

2020-10-07 Thread Kai-Heng Feng
HP DreamColor panel needs to be controlled via AUX interface. However, it has both DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP and DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP set, so it fails to pass intel_dp_aux_display_control_capable() test. Skip the test if the panel has force DPCD quirk. Signed-off-