On Mon, 22 Feb 2016, "shadow.yang" <Shadow.Yang@xxxxxxxxxxxxxxxx> wrote: > The system platform is Bay trail-M N2920. > The DDI1_BKLTCTL has output at S3 resume on WIN7 /8. > but Linux ubuntu 1404 Kernel 3.19 the DDI1_BKLTCTL is no signal at S3 > resume. > > The xrand and dmesg file please reference the attachment. > "dmesg.log" / "xrand.log" before enter S3. > "dmesg_S3.log" / "xrand_S3.log" after enter S3. > We are using Legacy VBIOS. > To update the Fedora23's LiveCD,the DDI1_BKLTCTL still no output PWM. > > Do you have suggestion for this issue? Please file a bug at [1]. Add drm.debug=14 module parameter, and attach dmesg to the bug. BR, Jani. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
