Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux

[cascardo/linux.git] / drivers / gpu / drm / nouveau / nouveau_acpi.c

diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index dd7d2e1..07273a2 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -253,18 +253,15 @@ static struct vga_switcheroo_handler nouveau_dsm_handler = {
 
 static int nouveau_dsm_pci_probe(struct pci_dev *pdev)
 {
-       acpi_handle dhandle, nvidia_handle;
-       acpi_status status;
+       acpi_handle dhandle;
        int retval = 0;
 
        dhandle = DEVICE_ACPI_HANDLE(&pdev->dev);
        if (!dhandle)
                return false;
 
-       status = acpi_get_handle(dhandle, "_DSM", &nvidia_handle);
-       if (ACPI_FAILURE(status)) {
+       if (!acpi_has_method(dhandle, "_DSM"))
                return false;
-       }
 
        if (nouveau_test_dsm(dhandle, nouveau_dsm, NOUVEAU_DSM_POWER))
                retval |= NOUVEAU_DSM_HAS_MUX;
@@ -317,6 +314,16 @@ static bool nouveau_dsm_detect(void)
                        has_optimus = 1;
        }
 
+       while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_3D << 8, pdev)) != NULL) {
+               vga_count++;
+
+               retval = nouveau_dsm_pci_probe(pdev);
+               if (retval & NOUVEAU_DSM_HAS_MUX)
+                       has_dsm |= 1;
+               if (retval & NOUVEAU_DSM_HAS_OPT)
+                       has_optimus = 1;
+       }
+
        /* find the optimus DSM or the old v1 DSM */
        if (has_optimus == 1) {
                acpi_get_name(nouveau_dsm_priv.dhandle, ACPI_FULL_PATHNAME,