Hi John, On Thursday, 23 August 2018 20:48:40 EEST John Stultz wrote: > On Thu, Aug 23, 2018 at 1:09 AM, Daniel Vetter <daniel@xxxxxxxx> wrote: > > On Thu, Aug 23, 2018 at 10:46:15AM +0300, Laurent Pinchart wrote: > >> On Thursday, 23 August 2018 07:14:08 EEST John Stultz wrote: > >>> On Mon, Aug 20, 2018 at 11:44 PM, John Stultz wrote: > >>>> Hey Noralf, all, > >>>> > >>>> I've been digging for a bit on the regression that this patch has > >>>> > >>>> tripped on the HiKey board as reported here: > >>>> https://lkml.org/lkml/2018/8/16/81 > >>>> > >>>> The first issue was that the kirin driver was setting > >>>> mode_config.max_width/height = 2048, which was causing errors as the > >>>> the requested resolution was 1920x2160 (due to surfaceflinger > >>>> requesting y*2 for page flipping). > >>> > >>> Hey Noralf, > >>> > >>> Sorry, I know your probably sick of me. But I just wanted to circle > >>> > >>> around on this little bit. So part of the issue I found earlier, was > >>> that I'm running w/ CONFIG_DRM_FBDEV_OVERALLOC=200, to support > >>> Surfaceflinger's request for page flipping. > >> > >> Possibly slightly out of topic, but we're in 2018, is there any plan to > >> make SurfaceFlinger move away from FBDEV ? > > > > Is surfaceflinger really using direct fbdev still (maybe for boot-up)? Or > > is this just an artifact of the mali blob hwcomposer backend? > > Mostly its due to the simple fbdev being a legacy solution on android > that works out of the box. > I do suspect the android devs hope to retire it, which is why I'm > working on getting things going w/ the drm_hwcomposer right now so we > can get away from the fbdev. That would be good news. Are there many Android components other than vendor- specific hwcomposer implementations that still use fbdev ? > But in the meantime, keeping the fbdev method running is important so we > have a functioning device for testing AOSP w/ mainline. -- Regards, Laurent Pinchart _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
