From: Sui Jingfeng <suijingfeng@xxxxxxxxxxx>
Should be no functional change.
Cc: Ben Skeggs <bskeggs@xxxxxxxxxx>
Cc: Karol Herbst <kherbst@xxxxxxxxxx>
Cc: Lyude Paul <lyude@xxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Signed-off-by: Sui Jingfeng <suijingfeng@xxxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_acpi.c | 11 ++++-------
1 file 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,
--
2.34.1
