try this and see what it shows:
grep -v adfasd /sys/module/*/parameters/si_support
/sys/module/amdgpu/parameters/si_support:0
/sys/module/radeon/parameters/si_support:1
As root:
-bash: /sys/module/amdgpu/parameters/cik_support: Permission denied
And I checked:
# cat /etc/modprobe.d/enable_amdgpu_disable_radeon.conf
options amdgpu si_support=1
options amdgpu cik_support=1
options radeon si_support=0
options radeon cik_support=0
to verify that radeon is disabled and amdgpu is enabled.
I tried on mine, an my amd gpu is a really old one while claiming to
be supported by amdgpu, acts like it is not.
On Mon, Jul 4, 2022 at 10:39 AM Robert Moskowitz <rgm(a)htt-consult.com> wrote:
> Finally did this:
>
> I did not make the change when I got back to my office/home, and things
> worked fine into mid-sunday when it locked again. Did a dnf update from
> a character session after power cycle and new kernel, firefox, and
> linuxfirmware. So decided to see how it would go.
>
> And I could work with cnn and youtube and other video stuff that was
> locking me up. Plus other apps, so I thought maybe things were fixed....
>
> But twice my session aborted without a system lockup and I had to log
> back in and restart everything.
>
> Then I got a lock up again, so I power cycled and hay! New kernel. But
> I still did as you instructed below, making the file and running
> dracut. Now on reboot:
>
> # lspci -nnk | egrep -i "VGA|DISPLAY" -A3
> 00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
> [AMD/ATI] Kabini [Radeon HD 8330] [1002:9832]
> Subsystem: Lenovo Device [17aa:2219]
> Kernel driver in use: radeon
> Kernel modules: radeon, amdgpu
>
> which is the same as before:
>
> It still says using radeon driver?
>
> Should I try your radeon_blacklist.conf ?
>
> On 6/30/22 08:04, Roger Heflin wrote:
>> I do not believe anything else is needed. Where dmesg said
>> "radeon:", it should now say "amdgpu:". amdgpu seems to be
the
>> replacement and/or currently developed driver. And the recent
>> non-ryzen AMD laptops are using an older AMD cpu + ATI/AMD build-in
>> video, that originally were blocked from using the (at the time - )
>> experimental amdgpu driver.
>>
>> It seems pretty likely that there is code from the radeon driver in
>> the amdgpu driver, a lot of the messages from it look
>> similar/identical, and on my ryzen system that default uses amdgpu.
>>
>> On Thu, Jun 30, 2022 at 6:21 AM Robert Moskowitz <rgm(a)htt-consult.com>
wrote:
>>> Is it correct to assume that I don't have to install anything more to
>>> get the amdgpu driver?
>>>
>>> On 6/30/22 06:22, Roger Heflin wrote:
>>>> That will not work.
>>>>
>>>> If I am reading the module options right (and other peoples comments),
>>>> amdgpu will not manage a si/cik chipset unless the correct _support is
>>>> set to 1.
>>>>
>>>> On Thu, Jun 30, 2022 at 12:16 AM Samuel Sieb <samuel(a)sieb.net>
wrote:
>>>>> On 6/29/22 18:25, Roger Heflin wrote:
>>>>>> The notes I found say to create a file in /etc/modprobe.d
>>>>>>
>>>>>> And say call it anything but something like
>>>>>> enable_amdgpu_disable_radeon.conf and put this in it:
>>>>>> options amdgpu si_support=1
>>>>>> options amdgpu cik_support=1
>>>>>> options radeon si_support=0
>>>>>> options radeon cik_support=0
>>>>>>
>>>>>> and then do a "dracut --force" and reboot.
>>>>> The other option is to make a file called radeon-blacklist.conf and
put in:
>>>>> blacklist radeon
>>>>>
>>>>> The filenames don't actually matter as long as they end in
".conf".
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