linux-kernel - [PATCH v2 1/9] drm/nouveau: Switch from pci_is_thunderbolt_attached() to dev_is

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Message-ID: <20231103190758.82911-2-mario.limonciello@amd.com>
Date:   Fri, 3 Nov 2023 14:07:50 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     Karol Herbst <kherbst@...hat.com>, Lyude Paul <lyude@...hat.com>,
        "Alex Deucher" <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Hans de Goede" <hdegoede@...hat.com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Lukas Wunner <lukas@...ner.de>
CC:     Danilo Krummrich <dakr@...hat.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Xinhui Pan <Xinhui.Pan@....com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Mark Gross <markgross@...nel.org>,
        "Andreas Noever" <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        Pali Rohár <pali@...nel.org>,
        Marek Behún <kabel@...nel.org>,
        "Maciej W . Rozycki" <macro@...am.me.uk>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Mario Limonciello <mario.limonciello@....com>,
        "open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS" 
        <dri-devel@...ts.freedesktop.org>,
        "open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS" 
        <nouveau@...ts.freedesktop.org>,
        "open list" <linux-kernel@...r.kernel.org>,
        "open list:RADEON and AMDGPU DRM DRIVERS" 
        <amd-gfx@...ts.freedesktop.org>,
        "open list:PCI SUBSYSTEM" <linux-pci@...r.kernel.org>,
        "open list:ACPI" <linux-acpi@...r.kernel.org>,
        "open list:X86 PLATFORM DRIVERS" 
        <platform-driver-x86@...r.kernel.org>,
        "open list:THUNDERBOLT DRIVER" <linux-usb@...r.kernel.org>
Subject: [PATCH v2 1/9] drm/nouveau: Switch from pci_is_thunderbolt_attached() to dev_is_removable()

pci_is_thunderbolt_attached() only works for Intel TBT devices. Switch to
using dev_is_removable() to be able to detect USB4 devices as well.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/gpu/drm/nouveau/nouveau_vga.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c
index f8bf0ec26844..14215b7ca187 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vga.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c
@@ -94,8 +94,8 @@ nouveau_vga_init(struct nouveau_drm *drm)
 
 	vga_client_register(pdev, nouveau_vga_set_decode);
 
-	/* don't register Thunderbolt eGPU with vga_switcheroo */
-	if (pci_is_thunderbolt_attached(pdev))
+	/* don't register USB4/Thunderbolt eGPU with vga_switcheroo */
+	if (dev_is_removable(&pdev->dev))
 		return;
 
 	vga_switcheroo_register_client(pdev, &nouveau_switcheroo_ops, runtime);
@@ -118,7 +118,7 @@ nouveau_vga_fini(struct nouveau_drm *drm)
 
 	vga_client_unregister(pdev);
 
-	if (pci_is_thunderbolt_attached(pdev))
+	if (dev_is_removable(&pdev->dev))
 		return;
 
 	vga_switcheroo_unregister_client(pdev);
-- 
2.34.1