[OE-core] [PATCH 04/10] qemux86: drop resolution setting via uvesafb

[Alexander Kanavin]

Specifically, this page does indicate that Linux kernel stops at 1920x1200,
and even that is entirely non-standard. VBE is a 90s relic.
https://en.wikipedia.org/wiki/VESA_BIOS_Extensions#Linux_video_mode_numbers

Alex

On Sun, 16 Feb 2020 at 17:10, Alexander Kanavin <alex.kanavin at gmail.com>
wrote:

> What about higher than fullHD?
>
> Alex
>
> On Sun, 16 Feb 2020 at 17:01, Martin Jansa <martin.jansa at gmail.com> wrote:
>
>> Why you think it doesn't support higher resolution? We were using it with
>> fullHD in VirtualBox until recently.
>>
>> On Sun, Feb 16, 2020 at 4:52 PM Alexander Kanavin <alex.kanavin at gmail.com>
>> wrote:
>>
>>> I am not sure if this has ever worked, but uvesafb is a really
>>> outdated (VBE from the 1990s), awkward (needs v86d) and limited
>>> (no support for high resolutions) way to do it.
>>>
>>> The specific reason 640x480-32 was introduced (ages ago) was
>>> to force 32 bit mode with vmware driver, as 16bit had rendering issues.
>>>
>>> The modern, supported option is video=... kernel parameter documented
>>> here:
>>>
>>> https://wiki.archlinux.org/index.php/kernel_mode_setting#Forcing_modes_and_EDID
>>> https://github.com/torvalds/linux/blob/master/Documentation/fb/modedb.rst
>>> which can be passed directly to runqemu and doesn't require special
>>> kernel modules.
>>>
>>> Sato under X will continue to use 640x480 as that is hardcoded into
>>> xorg.conf under qemu.
>>>
>>> Signed-off-by: Alexander Kanavin <alex.kanavin at gmail.com>
>>> ---
>>>  meta/conf/machine/include/qemuboot-x86.inc | 3 +--
>>>  meta/conf/machine/qemux86-64.conf          | 4 ----
>>>  meta/conf/machine/qemux86.conf             | 4 ----
>>>  meta/lib/oeqa/runtime/cases/parselogs.py   | 4 ----
>>>  4 files changed, 1 insertion(+), 14 deletions(-)
>>>
>>> diff --git a/meta/conf/machine/include/qemuboot-x86.inc
>>> b/meta/conf/machine/include/qemuboot-x86.inc
>>> index 049681b27d..5dcc8b6f6b 100644
>>> --- a/meta/conf/machine/include/qemuboot-x86.inc
>>> +++ b/meta/conf/machine/include/qemuboot-x86.inc
>>> @@ -8,9 +8,8 @@ QB_CPU_KVM_x86-64 = "-cpu core2duo"
>>>
>>>  QB_AUDIO_DRV = "alsa"
>>>  QB_AUDIO_OPT = "-soundhw ac97,es1370"
>>> -QB_KERNEL_CMDLINE_APPEND = "uvesafb.mode_option=${UVESA_MODE}
>>> oprofile.timer=1 uvesafb.task_timeout=-1"
>>> +QB_KERNEL_CMDLINE_APPEND = "oprofile.timer=1"
>>>  QB_OPT_APPEND = "-show-cursor -usb -device usb-tablet"
>>>  # Add the 'virtio-rng-pci' device otherwise the guest may run out of
>>> entropy
>>>  QB_OPT_APPEND += "-object rng-random,filename=/dev/urandom,id=rng0
>>> -device virtio-rng-pci,rng=rng0"
>>>
>>> -UVESA_MODE ?= "640x480-32"
>>> diff --git a/meta/conf/machine/qemux86-64.conf
>>> b/meta/conf/machine/qemux86-64.conf
>>> index 648cf2fe8f..db9004ee32 100644
>>> --- a/meta/conf/machine/qemux86-64.conf
>>> +++ b/meta/conf/machine/qemux86-64.conf
>>> @@ -37,10 +37,6 @@ MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "v86d"
>>>
>>>  MACHINE_EXTRA_RRECOMMENDS = "kernel-module-snd-ens1370
>>> kernel-module-snd-rawmidi"
>>>
>>> -KERNEL_MODULE_AUTOLOAD += "uvesafb"
>>> -KERNEL_MODULE_PROBECONF += "uvesafb"
>>> -module_conf_uvesafb = "options uvesafb mode_option=${UVESA_MODE}"
>>> -
>>>  WKS_FILE ?= "qemux86-directdisk.wks"
>>>  do_image_wic[depends] += "syslinux:do_populate_sysroot
>>> syslinux-native:do_populate_sysroot mtools-native:do_populate_sysroot
>>> dosfstools-native:do_populate_sysroot"
>>>
>>> diff --git a/meta/conf/machine/qemux86.conf
>>> b/meta/conf/machine/qemux86.conf
>>> index 8e0da82076..7e6723b880 100644
>>> --- a/meta/conf/machine/qemux86.conf
>>> +++ b/meta/conf/machine/qemux86.conf
>>> @@ -34,10 +34,6 @@ MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "v86d"
>>>
>>>  MACHINE_EXTRA_RRECOMMENDS = "kernel-module-snd-ens1370
>>> kernel-module-snd-rawmidi"
>>>
>>> -KERNEL_MODULE_AUTOLOAD += "uvesafb"
>>> -KERNEL_MODULE_PROBECONF += "uvesafb"
>>> -module_conf_uvesafb = "options uvesafb mode_option=${UVESA_MODE}"
>>> -
>>>  WKS_FILE ?= "qemux86-directdisk.wks"
>>>  do_image_wic[depends] += "syslinux:do_populate_sysroot
>>> syslinux-native:do_populate_sysroot mtools-native:do_populate_sysroot
>>> dosfstools-native:do_populate_sysroot"
>>>
>>> diff --git a/meta/lib/oeqa/runtime/cases/parselogs.py
>>> b/meta/lib/oeqa/runtime/cases/parselogs.py
>>> index 9dafb89b03..3cad0709a1 100644
>>> --- a/meta/lib/oeqa/runtime/cases/parselogs.py
>>> +++ b/meta/lib/oeqa/runtime/cases/parselogs.py
>>> @@ -60,7 +60,6 @@ common_errors = [
>>>      ]
>>>
>>>  video_related = [
>>> -    "uvesafb",
>>>  ]
>>>
>>>  x86_common = [
>>> @@ -82,11 +81,8 @@ qemux86_common = [
>>>      "fail to add MMCONFIG information, can't access extended PCI
>>> configuration space under this bridge.",
>>>      "can't claim BAR ",
>>>      'amd_nb: Cannot enumerate AMD northbridges',
>>> -    'uvesafb: 5000 ms task timeout, infinitely waiting',
>>>      'tsc: HPET/PMTIMER calibration failed',
>>>      "modeset(0): Failed to initialize the DRI2 extension",
>>> -    "uvesafb: cannot reserve video memory at",
>>> -    "uvesafb: probe of uvesafb.0 failed with error",
>>>      "glamor initialization failed",
>>>  ] + common_errors
>>>
>>> --
>>> 2.25.0
>>>
>>> --
>>> _______________________________________________
>>> Openembedded-core mailing list
>>> Openembedded-core at lists.openembedded.org
>>> http://lists.openembedded.org/mailman/listinfo/openembedded-core
>>>
>>
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