Re: [REGRESSION] Acp5x probing regression introduced between kernel 6.7.2 -> 6.7.4

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Tue, Feb 13, 2024 at 09:17:39AM +0100, Takashi Iwai wrote:
> On Mon, 12 Feb 2024 15:32:45 +0100,
> Ted Chang wrote:
> > 
> > 
> > Hi everyone,
> > Takashi Iwai suggested that I test OBS home:tiwai:bsc1219789 repo. His comment
> > suggest he reverted commit
> > c3ab23a10771bbe06300e5374efa809789c65455 ASoC: amd: Add new dmi entries for
> > acp5x platform. My audio seems to work again
> > 
> > [    7.420289] acpi_cpufreq: overriding BIOS provided _PSD data
> > [    7.439331] snd_pci_acp5x 0000:04:00.5: enabling device (0000 -> 0002)
> > [    7.574796] snd_hda_intel 0000:04:00.1: enabling device (0000 -> 0002)
> > [    7.574980] snd_hda_intel 0000:04:00.1: Handle vga_switcheroo audio client
> > [    7.577788] kvm_amd: TSC scaling supported
> > [    7.577794] kvm_amd: Nested Virtualization enabled
> > [    7.577796] kvm_amd: Nested Paging enabled
> > [    7.577799] kvm_amd: SEV enabled (ASIDs 1 - 14)
> > [    7.577802] kvm_amd: SEV-ES disabled (ASIDs 0 - 0)
> > [    7.577824] kvm_amd: Virtual VMLOAD VMSAVE supported
> > [    7.577825] kvm_amd: Virtual GIF supported
> > [    7.577827] kvm_amd: LBR virtualization supported
> > [    7.589223] MCE: In-kernel MCE decoding enabled.
> > [    7.590386] snd_hda_intel 0000:04:00.1: bound 0000:04:00.0 (ops amdgpu_dm_audio_component_bind_ops [amdgpu])
> > [    7.591577] cs35l41 spi-VLV1776:00: supply VA not found, using dummy regulator
> > [    7.591644] cs35l41 spi-VLV1776:00: supply VP not found, using dummy regulator
> > [    7.595880] input: HD-Audio Generic HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:08.1/0000:04:00.1/sound/card0/input17
> > [    7.596790] input: HD-Audio Generic HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:08.1/0000:04:00.1/sound/card0/input18
> > 
> > https://build.opensuse.org/project/show/home:tiwai:bsc1219789
> > 
> > Now I'm building a test kernel with the revert of the suspected backport patch.
> > It's being built in OBS home:tiwai:bsc1219789 repo.  Please give it a try later once after the build finishes (takes an hour or so).
> > 
> > So the culprit was the stable commit 4b6986b170f2f23e390bbd2d50784caa9cb67093, which is the upstream commit c3ab23a10771bbe06300e5374efa809789c65455
> >     ASoC: amd: Add new dmi entries for acp5x platform
> 
> Greg, could you revert the commit
> 4b6986b170f2f23e390bbd2d50784caa9cb67093 on 6.7.y?
> 
> Apparently it caused the regression on Steam Deck, the driver probe
> failed with that backport alone.

Now reverted, as well as on 6.6.y and 6.1.y.

thanks,

greg k-h