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From: Alex Williamson <alex.williamson@redhat.com>
To: Mario Limonciello <superm1@kernel.org>
Cc: "Bjorn Helgaas" <bhelgaas@google.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Lukas Wunner" <lukas@wunner.de>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"David Woodhouse" <dwmw2@infradead.org>,
	"Lu Baolu" <baolu.lu@linux.intel.com>,
	"Joerg Roedel" <joro@8bytes.org>, "Will Deacon" <will@kernel.org>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Jaroslav Kysela" <perex@perex.cz>,
	"Takashi Iwai" <tiwai@suse.com>,
	dri-devel@lists.freedesktop.org (open list:DRM DRIVERS),
	linux-kernel@vger.kernel.org (open list),
	iommu@lists.linux.dev (open list:INTEL IOMMU (VT-d)),
	linux-pci@vger.kernel.org (open list:PCI SUBSYSTEM),
	kvm@vger.kernel.org (open list:VFIO DRIVER),
	linux-sound@vger.kernel.org (open list:SOUND),
	"Daniel Dadap" <ddadap@nvidia.com>,
	"Mario Limonciello" <mario.limonciello@amd.com>,
	"Bjorn Helgaas" <helgaas@kernel.org>
Subject: Re: [PATCH v2 2/6] vfio/pci: Use pci_is_display()
Date: Tue, 17 Jun 2025 12:52:35 -0600	[thread overview]
Message-ID: <20250617125235.13017540.alex.williamson@redhat.com> (raw)
In-Reply-To: <20250617175910.1640546-3-superm1@kernel.org>

On Tue, 17 Jun 2025 12:59:06 -0500
Mario Limonciello <superm1@kernel.org> wrote:

> From: Mario Limonciello <mario.limonciello@amd.com>
> 
> The inline pci_is_display() helper does the same thing.  Use it.
> 
> Suggested-by: Bjorn Helgaas <helgaas@kernel.org>
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
> ---
>  drivers/vfio/pci/vfio_pci_igd.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/vfio/pci/vfio_pci_igd.c b/drivers/vfio/pci/vfio_pci_igd.c
> index ef490a4545f48..988b6919c2c31 100644
> --- a/drivers/vfio/pci/vfio_pci_igd.c
> +++ b/drivers/vfio/pci/vfio_pci_igd.c
> @@ -437,8 +437,7 @@ static int vfio_pci_igd_cfg_init(struct vfio_pci_core_device *vdev)
>  
>  bool vfio_pci_is_intel_display(struct pci_dev *pdev)
>  {
> -	return (pdev->vendor == PCI_VENDOR_ID_INTEL) &&
> -	       ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY);
> +	return (pdev->vendor == PCI_VENDOR_ID_INTEL) && pci_is_display(pdev);
>  }
>  
>  int vfio_pci_igd_init(struct vfio_pci_core_device *vdev)

Acked-by: Alex Williamson <alex.williamson@redhat.com>


  reply	other threads:[~2025-06-17 18:52 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-17 17:59 [PATCH v2 0/6] PCI/VGA: Look at all PCI display devices in VGA arbiter Mario Limonciello
2025-06-17 17:59 ` [PATCH v2 1/6] PCI: Add helper for checking if a PCI device is a display controller Mario Limonciello
2025-06-17 17:59 ` [PATCH v2 2/6] vfio/pci: Use pci_is_display() Mario Limonciello
2025-06-17 18:52   ` Alex Williamson [this message]
2025-06-17 17:59 ` [PATCH v2 3/6] vga_switcheroo: " Mario Limonciello
2025-06-17 17:59 ` [PATCH v2 4/6] iommu/vt-d: " Mario Limonciello
2025-06-17 17:59 ` [PATCH v2 5/6] ALSA: hda: " Mario Limonciello
2025-06-18 14:14   ` Simona Vetter
2025-06-17 17:59 ` [PATCH v2 6/6] vgaarb: Look at all PCI display devices in VGA arbiter Mario Limonciello
2025-06-17 19:20   ` Daniel Dadap
2025-06-17 20:15     ` Mario Limonciello
2025-06-17 20:56       ` Daniel Dadap
2025-06-17 21:49         ` Alex Williamson
2025-06-17 23:01           ` Daniel Dadap
2025-06-17 19:22   ` Alex Williamson
2025-06-17 20:22     ` Mario Limonciello
2025-06-18  9:11       ` Thomas Zimmermann
2025-06-18 14:12         ` Simona Vetter
2025-06-18 18:45           ` Mario Limonciello
2025-06-18 21:04             ` Daniel Dadap
2025-06-19  6:50             ` Thomas Zimmermann

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