On Mon, Jun 09, 2014 at 01:19:46PM +0200, Thomas Richter wrote: > Am 09.06.2014 13:08, schrieb Ville Syrjälä > > No, we do restore the mode you were using before suspend. > > > > Are you still using vbetool? That would explain why things go bad since > > vbetool will clobber whatever i915 already did. > > No, vbetool is out of the equation (see the script attached to the > previous post). So now you're using acpi_sleep=s3_bios, or nothing? > However, I dumped the 830MG register set > and the ns2501 DVO set before and after the suspend, and they are pretty > different. As said, the 830 is configured > to use a 640x480 mode (instead of the 1024x786 mode) and the DVO is off. > > Maybe the kernel tries to mode-detect the connected monitor, and this > fails because the PLLs are not yet > configured correctly? Note that the ns2501 requires a correctly > configured DVO to be able to respond on > the i2c bus. If so, mode-detection requires configuring the PLLs to > *some* useful mode before attempting > to detect anything, otherwise the DVO just plays "dead". Boot with drm.debug=0xe grab the dmesg after the resume and let's see if there is something fishy happening. -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
