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Bug#894731: linux-image-4.15.0-2-amd64: Setting drm.edid_firmware or drm_kms_firmware.edid_firmware has no effect

Started byHenrik Friedrichsen <henrik@diff.cc>
First post2018-05-15 12:20 +0200
Last post2018-05-23 13:50 +0200
Articles 2 — 1 participant

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  Bug#894731: linux-image-4.15.0-2-amd64: Setting drm.edid_firmware or drm_kms_firmware.edid_firmware has no effect Henrik Friedrichsen <henrik@diff.cc> - 2018-05-15 12:20 +0200
    Bug#894731: linux-image-4.15.0-2-amd64: Setting drm.edid_firmware or drm_kms_firmware.edid_firmware has no effect Henrik Friedrichsen <henrik@diff.cc> - 2018-05-23 13:50 +0200

#61025 — Bug#894731: linux-image-4.15.0-2-amd64: Setting drm.edid_firmware or drm_kms_firmware.edid_firmware has no effect

FromHenrik Friedrichsen <henrik@diff.cc>
Date2018-05-15 12:20 +0200
SubjectBug#894731: linux-image-4.15.0-2-amd64: Setting drm.edid_firmware or drm_kms_firmware.edid_firmware has no effect
Message-ID<vPFdL-3oe-1@gated-at.bofh.it>
Indeed, and it continues to be a problem on 4.16.

I'm guessing something about moving from drm_kms_firmware.edid_firmware
to drm.edid_firmware broke this. Maybe this should be reported upstream?

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#61082

FromHenrik Friedrichsen <henrik@diff.cc>
Date2018-05-23 13:50 +0200
Message-ID<vSArf-2N1-1@gated-at.bofh.it>
In reply to#61025
I reported this on the Linux bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=199799

drm/i915 bugreports go to Freedesktop, but Jani Nikula suggested to add
"video=VGA-1:e" to the kernel commandline, which fixed this for me.

Not sure if this closes the matter, as it used to work without setting
video before, but I thought I'd pass this suggestion on to other affected people.

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