On Wed, 09 Apr 2014, Dave Airlie <airlied@xxxxxxxxx> wrote: > On Wed, Apr 9, 2014 at 4:07 PM, Daniel J Blueman <daniel@xxxxxxxxx> wrote: >> On 9 April 2014 11:41, Dave Airlie <airlied@xxxxxxxxx> wrote: >>> On Tue, Apr 8, 2014 at 5:32 PM, Daniel J Blueman <daniel@xxxxxxxxx> wrote: >>>> On 8 April 2014 15:14, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote: >>>>> On Tue, 08 Apr 2014, Daniel J Blueman <daniel@xxxxxxxxx> wrote: >>>>>> Ville et al, >>>>>> >>>>>> It looks like commit e3ea8fa6beaf55fee64bf816f3b8a80ad733b2c2 (or >>>>>> another commit in 3.13.7) broke modes which require DVI-D dual-link, >>>>>> eg 2560x1440 with my panel. >>>>>> >>>>>> I don't see these modelines in 3.13.7 or later (eg 3.14): >>>>>> >>>>>> [ 5.582] (II) intel(0): Modeline "2560x1440"x60.0 312.25 2560 >>>>>> 2752 3024 3488 1440 1443 1448 1493 -hsync +vsync (89.5 kHz eP) >>>>>> [ 5.582] (II) intel(0): Modeline "2560x1440"x60.0 312.25 2560 >>>>>> 2752 3024 3488 1440 1443 1448 1493 -hsync +vsync (89.5 kHz eP) >>>>>> [ 5.582] (II) intel(0): Modeline "1920x1200"x59.9 193.25 1920 >>>>>> 2056 2256 2592 1200 1203 1209 1245 -hsync +vsync (74.6 kHz e) >>>>>> >>>>>> My monitor is a Dell U2713HM; mobo uses an H87 chipset with i5-4670. >>>>> >>>>> By allowing those modes we regressed setups which were not capable of >>>>> displaying them. So you've got an HDMI->DVI converter? >>>>> >>>>> https://bugzilla.kernel.org/show_bug.cgi?id=72961 >>>> >>>> I am using a dual-link DVI-D to DVI-D cable to this monitor, since I >>>> previously couldn't get 2560x1440 via HDMI. >>> >>> Intel hw has dual-link DVI-D? I'm not sure I've ever seen that, is >>> this SDVO device or plain DVI-D? >> >> It's the DVI-D connector on: https://www.asus.com/Motherboards/H87IPLUS/ > > The link which says " > > Integrated Graphics Processor > - Supports HDMI with max. resolution 4096 x 2304 @ 24 Hz > - Supports DVI with max. resolution 1920 x 1200 @ 60 Hz > - Supports RGB with max. resolution 1920 x 1200 @ 60 Hz > > I'm even wondering electrically how a HDMI->dual-link DVI adapter works. The current assumption is that in the working case, they are really operated in single-link, with a frequency beyond the single-link DVI cable spec. BR, Jani. > > Dave. -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
