Bug 1039287

Summary: kernel commandline drm_kms_helper.edid_firmware=VGA-1:edid/1680x1050.bin fails
Product: [Fedora] Fedora Reporter: Greg Treantos <gtreanto>
Component: grub2Assignee: Peter Jones <pjones>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: unspecified    
Version: 19CC: bcl, dennis, mads, pjones
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2015-02-17 19:34:20 UTC Type: Bug
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
grub.cfg's none

Description Greg Treantos 2013-12-07 17:35:59 UTC
Description of problem:Since the display's EDID I'm using is not recognized I only see 1024x768 resolution. I followed a guide, installed kernel-docs, compiled the EDIDs, and tried to use 1680x1050.bin. My grub file now looks like this
GRUB_CMDLINE_LINUX="rd.lvm.lv=rwvg/usr rd.dm=0 rd.lvm.lv=rootvg/root vconsole.keymap=us $([ -x /usr/sbin/rhcrashkernel-param ] && /usr/sbin/rhcrashkernel-param || :) rd.md=0 rd.luks=0 vconsole.font=latarcyrheb-sun16 rhgb quiet drm_kms_helper.edid_firmware=VGA-1:edid/1680x1050.bin"

after the edit I ran:  grub2-mkconfig -o /boot/grub2/grub.cfg

and rebooted.

but the display resolution is still 1024x768.

when looking at dmesg it doesn't appear drm is parsed correctly:

dmesg |grep Kernel
[    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.11.10-200.fc19.x86_64 root=/dev/mapper/rootvg-root ro rd.lvm.lv=rwvg/usr rd.dm=0 rd.lvm.lv=rootvg/root vconsole.keymap=us rd.md=0 rd.luks=0 vconsole.font=latarcyrheb-sun16 rhgb quiet drm LANG=en_US.UTF-8.

You can see drm_kms_helper.edid_firmware=VGA-1:edid/1680x1050.bin is truncated to drm.

bug 901899 was opened and closed for parsing drm so I don't know if this is something new or not. 
 


Version-Release number of selected component (if applicable):
I just did a yum update of the system. 
3.11.10-200.fc19.x86_64 #1 SMP


How reproducible: every boot


Steps to Reproduce:
1.create edid.bin from kernel-doc
2.move appropriate .bin file to /lib/firmware/edid
3.update kernel command with drm_kms_helper.edid_firmware=VGA-1:edid/<my resolution>.bin

Actual results:drm_ is not parsed


Expected results:drm is parsed


Additional info:

Comment 1 Greg Treantos 2013-12-07 18:09:42 UTC
actually in this output drm came from me trying to add the lines manually at boot. In fact drm never shows up in dmesg

[    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.11.10-200.fc19.x86_64 root=/dev/mapper/rootvg-root ro rd.lvm.lv=rwvg/usr rd.dm=0 rd.lvm.lv=rootvg/root vconsole.keymap=us rd.md=0 rd.luks=0 vconsole.font=latarcyrheb-sun16 rhgb quiet drmLANG=en_US.UTF-8

Comment 2 Mads Kiilerich 2013-12-08 10:50:46 UTC
Please attach your grub.cfg.

Is this an EFI system?

Comment 3 Greg Treantos 2013-12-08 13:41:14 UTC
Created attachment 834058 [details]
grub.cfg's

as requested

Comment 4 Greg Treantos 2013-12-08 13:43:43 UTC
This is an EFI system and the EFI grub.cfg omits the drm_ changes. I see the issue now. I have to use -o to the EFI grub.cfg.. Let me try that.

Comment 5 Greg Treantos 2013-12-08 13:49:48 UTC
updating the EFI grub.cfg with grub2-mkconfig fixed the issue. Thanks for the pointer, please close this out.

Comment 6 Fedora End Of Life 2015-01-09 20:48:39 UTC
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Comment 7 Fedora End Of Life 2015-02-17 19:34:20 UTC
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is
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