On Mon, 27 May 2019, Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx> wrote: > On Sun, 26 May 2019 12:50:51 -0700, Ilpo Järvinen wrote: >> >> Hi all, >> >> I've a workstation which has internal VGA that is detected as AST 2400 and >> with it EDID has been always quite flaky (except for some time it worked >> with 4.14 long enough that I thought the problems would be past until the >> problems reappeared also with 4.14). Thus, I've provided manually the EDID >> that I extracted from the monitor using other computer (the monitor itself >> worked just fine on the earlier computer so it is likely fine). >> >> I setup the manual EDID using drm_kms_helper.edid_firmware, however, >> after upgrading to 4.19.45 it stopped working (no "Got external EDID base >> block" appears in dmesg, the text mode is kept in the lower res mode, and >> Xorg logs no longer dumps the EDID info like it did with 4.14). So I guess >> the EDID I provided manually on the command line is not correctly put into >> use with 4.19+ kernels. >> >> The 4.19 dmesg indicated that drm_kms_helper.edid_firmware is deprecated >> so I also tested with drm.edid_firmware it suggested as the replacement >> but with no luck (but I believe also the drm_kms_helper one should have >> worked as it was only "deprecated"). >> >> I also tried 5.1.2 but it did not work any better (and with it also tried >> removing all the manual *.edid_firmware from the command line so I still >> need to provide one manually to have it reliable working it seems). > > I believe there is a bug already tracking this, here: > > https://bugs.freedesktop.org/show_bug.cgi?id=107583 Ilpo, does video=VGA-1:e command-line option work around the problem for you? BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
