From: Sui Jingfeng Date: Wed, 30 Aug 2023 11:15:29 +0000 (+0800) Subject: PCI/VGA: Use pci_is_vga() to identify VGA devices X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=655e6fe178960c50bfbb0bfe3c4a12c82b1ad918;p=linux.git PCI/VGA: Use pci_is_vga() to identify VGA devices Use pci_is_vga() to identify VGA devices, so the arbiter will handle old PCI_CLASS_NOT_DEFINED_VGA (0x0001) devices as well as the PCI_CLASS_DISPLAY_VGA (0x0300) devices it previously handled. Link: https://lore.kernel.org/r/20230830111532.444535-3-sui.jingfeng@linux.dev Signed-off-by: Sui Jingfeng [bhelgaas: commit log, split functional change from optimization] Signed-off-by: Bjorn Helgaas Cc: "Maciej W. Rozycki" --- diff --git a/drivers/pci/vgaarb.c b/drivers/pci/vgaarb.c index 5e6b1eb54c643..2ef3c88e9c33c 100644 --- a/drivers/pci/vgaarb.c +++ b/drivers/pci/vgaarb.c @@ -765,7 +765,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev) u16 cmd; /* Only deal with VGA class devices */ - if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA) + if (!pci_is_vga(pdev)) return false; /* Allocate structure */