| RAOF | mlankhorst: Hey, have you got drm_kms_helper.edid=$FOO:edid/<thing>.bin to work with i915? I can't seem to get it to override the broken EDID on my monitor that's causing i915 to pretend there's nothing there. | 07:42 |
|---|---|---|
| RAOF | Specifically, throwing “drm_kms_helper.edid_firmware=HDMI2:edid/1280x1024.bin” on the kernel cmd line (or HDMIA2, or HDMI-A-2, or whatever) doesn't result in i915 doing anything different. If I drop the HDMI2: bit i915 applies that EDID to my eDP and DP outputs, as expected, but _still_ not to HDMI2. | 07:44 |
| mlankhorst | hm funstuff :P | 07:46 |
| mlankhorst | I just overrode all my EDIDs, I have 2 identical monitors ;-) | 07:46 |
| mlankhorst | lets see.. | 07:46 |
| RAOF | For those playing at home, http://paste.ubuntu.com/7371321/ is what i915 says about my poor old LCD. :) | 07:48 |
| mlankhorst | should be HDMI-A-2 then | 07:53 |
| mlankhorst | that's the connector name afaict | 07:54 |
| RAOF | Tried HDMI-A-2 as well :( | 08:09 |
| * RAOF → EOD though. | 08:09 | |
| mlankhorst | what happens then? | 08:11 |
| RAOF | mlankhorst: Same EDID checksum spew from i915, no monitor for RAOF. | 10:22 |
| mlankhorst | odd, that should be the magic invocation if dmesg can be trusted :P | 10:23 |
| RAOF | It's also possible that i915 won't load the EDID over a present, but broken one :/ | 10:23 |
| RAOF | This worked for radeon, though. | 10:24 |
| mlankhorst | might be | 10:24 |
| mlankhorst | but since it uses strncmp, shouldn't HDMI:edid/1280x1024.bin work? | 10:24 |
| mlankhorst | though that'd probably make it apply to all hdmi :P | 10:26 |
| RAOF | Well, I've only got one HDMI port, so... | 10:26 |
| RAOF | I've no idea why i915 thinks I've got two. | 10:26 |
| mlankhorst | hm that should fix my 'optimus' config too :P | 10:27 |
| pkern | RAOF: You're not using a DP adapter or the like, right? :) | 14:19 |
| RAOF | pkern: I *am* using a HDMI→DVI adaptor. | 23:15 |
| RAOF | pkern: But that's obviously working, because the BIOS can bring up the display and GRUB will draw correctly to it. | 23:15 |
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