On Tue, Jun 21, 2016 at 4:50 PM, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote: > On Tue, 21 Jun 2016, vinoth eswaran <evinoth1206@xxxxxxxxx> wrote: >> On Tue, Jun 21, 2016 at 12:54 PM, Jani Nikula >> <jani.nikula@xxxxxxxxxxxxxxx> wrote: >>> On Tue, 21 Jun 2016, vinoth eswaran <evinoth1206@xxxxxxxxx> wrote: >>>> On Tue, Jun 21, 2016 at 11:35 AM, Jani Nikula >>>> <jani.nikula@xxxxxxxxxxxxxxx> wrote: >>>>> On Tue, 21 Jun 2016, vinoth eswaran <evinoth1206@xxxxxxxxx> wrote: >>>>>> On Tue, Jun 21, 2016 at 10:17 AM, Jani Nikula >>>>>> <jani.nikula@xxxxxxxxxxxxxxx> wrote: >>>>>>> On Tue, 21 Jun 2016, vinoth eswaran <evinoth1206@xxxxxxxxx> wrote: >>>>>>>> Hello, >>>>>>>> >>>>>>>> I am currently working on an embedded project using Minnowboard max. I >>>>>>>> have builded a customized Linux kernel-v4.4 and using u-boot (latest >>>>>>>> version) as Boot loader. >>>>>>>> >>>>>>>> The VESA driver in the u-boot takes more time to initialize,so I have >>>>>>>> disabled it. I am passing the kernel parameters "video=" to enable the >>>>>>>> HDMI port to which a monitor is connected. >>>>>>> >>>>>>> Is is a DVI display? >>>>>> Its an LED Monitor - LG 24EB23. >>>>>> The monitor supports the HD resolution. >>>>> >>>>> How do you connect the display? Is it HDMI directly or using the DVI >>>>> connector? >>>>> >>>> Sorry initially I got the question wrongly. >>>> Micro HDMI connector to the board and then HDMI-DVI cable to connect >>>> to the monitor. >>> >>> Single link DVI is limited to 165 Mhz. It *might* work with CVT and >>> reduced blanking. Please try video=HDMI-A-1:1920x1200@60RMD as the mode. >>> >>> I'm surprised the display doesn't report that via EDID to begin with; >>> what does it do without the video parameter on the command line? >> >> The display is not coming up now. Also without no video parameter, >> the display is not coming up. >> I checked the status of card-0* in /sys/class/drm all the three >> connectors are listed as disconnected. >> >> I have attached the drm driver logs for your reference. > > Gets too noisy to debug here. Please file a bug at [1]. > > BR, > Jani. > > [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel > > -- > Jani Nikula, Intel Open Source Technology Center I have tried also with the argument video=HDMI-A-1:1920x1200@60RMD and have the same issue display not coming up. I saw from the logs and found that there is a parsing error and gone through the modedb.txt file and found a small mistake in the arguments passing The structure is, <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m][eDd] So I tried using the parameter video=HDMI-A-1:1920x1200MR@60D. Now the display is coming up in HD resolution. Thanks & Regards, VInothkumar _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
