Re: [PATCH 2/6] PCI/VGA: Deal with PCI VGA compatible devices only

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Hi,

On 2023/7/20 05:13, Sui Jingfeng wrote:
Otherwise there 30+ noisy(useless) events got snooped. See below:


```

[    0.246077] pci 0000:01:00.0: vgaarb: setting as boot VGA device
[    0.246077] pci 0000:01:00.0: vgaarb: bridge control possible
[    0.246077] pci 0000:01:00.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[    0.246077] vgaarb: loaded
[    0.294169] skl_uncore 0000:00:00.0: vgaarb: pci_notify: action=3
[    0.294182] skl_uncore 0000:00:00.0: vgaarb: pci_notify: action=4
[    0.301297] pcieport 0000:00:01.0: vgaarb: pci_notify: action=3
[    0.301482] pcieport 0000:00:01.0: vgaarb: pci_notify: action=4
[    0.301488] pcieport 0000:00:1c.0: vgaarb: pci_notify: action=3
[    0.301705] pcieport 0000:00:1c.0: vgaarb: pci_notify: action=4
[    1.806445] xhci_hcd 0000:00:14.0: vgaarb: pci_notify: action=3
[    1.810976] ahci 0000:00:17.0: vgaarb: pci_notify: action=3
[    1.824383] xhci_hcd 0000:00:14.0: vgaarb: pci_notify: action=4
[    1.857470] ahci 0000:00:17.0: vgaarb: pci_notify: action=4
[    4.692700] intel_pch_thermal 0000:00:14.2: vgaarb: pci_notify: action=3 [    4.693110] intel_pch_thermal 0000:00:14.2: vgaarb: pci_notify: action=4
[    4.746712] i801_smbus 0000:00:1f.4: vgaarb: pci_notify: action=3
[    4.747212] pci 0000:00:1f.1: vgaarb: pci_notify: action=0
[    4.747227] pci 0000:00:1f.1: vgaarb: pci_notify: action=1
[    4.747250] pci 0000:00:1f.1: vgaarb: pci_notify: action=2
[    4.749098] i801_smbus 0000:00:1f.4: vgaarb: pci_notify: action=4
[    4.799217] mei_me 0000:00:16.0: vgaarb: pci_notify: action=3
[    4.802503] mei_me 0000:00:16.0: vgaarb: pci_notify: action=4
[    4.874880] intel-lpss 0000:00:15.0: vgaarb: pci_notify: action=3
[    4.881227] intel-lpss 0000:00:15.0: vgaarb: pci_notify: action=4
[    4.881240] intel-lpss 0000:00:15.1: vgaarb: pci_notify: action=3
[    4.887578] intel-lpss 0000:00:15.1: vgaarb: pci_notify: action=4
[    4.985796] r8169 0000:02:00.0: vgaarb: pci_notify: action=3
[    4.991862] r8169 0000:02:00.0: vgaarb: pci_notify: action=4
[    5.404835] snd_hda_intel 0000:00:1f.3: vgaarb: pci_notify: action=3
[    5.405175] snd_hda_intel 0000:00:1f.3: vgaarb: pci_notify: action=4
[    5.405401] snd_hda_intel 0000:01:00.1: vgaarb: pci_notify: action=3
[    5.405973] snd_hda_intel 0000:01:00.1: vgaarb: pci_notify: action=4
[   10.793665] i915 0000:00:02.0: vgaarb: pci_notify: action=3
[   11.201384] i915 0000:00:02.0: vgaarb: pci_notify: action=4
[   16.135842] amdgpu 0000:01:00.0: vgaarb: pci_notify: action=3
[   16.140458] amdgpu 0000:01:00.0: vgaarb: deactivate vga console
[   16.638564] amdgpu 0000:01:00.0: vgaarb: pci_notify: action=4

```


After apply my patch, this events are still will notify me, it is just that if we found it is irrelevant, we will return immediately.

No further process is needed.




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