On Fri, 10 Oct 2014 15:20:45 +1100 Jonathan Gray <[email protected]> wrote: > On Fri, Oct 10, 2014 at 12:02:14AM -0400, [email protected] wrote: > > > [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, > > > remainder is 130 > > > > as the checksum error seems more straight-forward, following up on this > > myself.. > > Ideally there would be a relevant commit in the upstream linux code to > minimise the local diff we have, but I can't seem to find one.
should i report this elsewhere as well then? > > I suspect the problem you're seeing only happens on older intel > hardware that doesn't have interrupt driven hotplug. In this > case the outputs have to be polled (if the relevant struct in > i915_drv.c lacks ".has_hotplug = 1"). > > Though I don't remember ever seeing it with 855 on the x40. > 855 has two output pipes instead of the one on 845/865 however. > do you mean that it is just not reading the edid? i found a number of 'lcd monitors have it, but some older ...' with no real details of what 'older' meant and i wrongly deduced they meant crt. i couldn't find anything specific about what does NOT have edid (search engines suck, for me at least). do you know what 'older' monitors don't have edid? one reference i saw said late 90's everything should have them, but i get errors on a much newer (crt) monitor, so if the newer ones have edid that indicates the 'card' is the problem too.
