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authorSui Jingfeng <suijingfeng@loongson.cn>2023-08-25 09:27:12 +0300
committerBjorn Helgaas <bhelgaas@google.com>2023-09-29 00:54:54 +0300
commitc213ed390cf1352f954164bad71275d6a095200c (patch)
tree608dfb407f66cff644234da15dfd8e20374572b8
parent9ed8fcfd7f17152e6ff5711bb3ddca82f75a38d4 (diff)
downloadlinux-c213ed390cf1352f954164bad71275d6a095200c.tar.xz
drm/nouveau: Use pci_get_base_class() to reduce duplicated code
Use pci_get_base_class() to reduce duplicated code. No functional change intended. Link: https://lore.kernel.org/r/20230825062714.6325-4-sui.jingfeng@linux.dev Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Karol Herbst <kherbst@redhat.com> Cc: Lyude Paul <lyude@redhat.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_acpi.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index a2ae8c21e4dc..8f0c69aad248 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -284,14 +284,11 @@ static bool nouveau_dsm_detect(void)
printk("MXM: GUID detected in BIOS\n");
/* now do DSM detection */
- while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
- vga_count++;
-
- nouveau_dsm_pci_probe(pdev, &dhandle, &has_mux, &has_optimus,
- &has_optimus_flags, &has_power_resources);
- }
+ while ((pdev = pci_get_base_class(PCI_BASE_CLASS_DISPLAY, pdev))) {
+ if ((pdev->class != PCI_CLASS_DISPLAY_VGA << 8) &&
+ (pdev->class != PCI_CLASS_DISPLAY_3D << 8))
+ continue;
- while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_3D << 8, pdev)) != NULL) {
vga_count++;
nouveau_dsm_pci_probe(pdev, &dhandle, &has_mux, &has_optimus,