nouveau patch to screen 9400m

From 838f3cfa86de5ada3557dc78dd3c61424c1fb6fa Mon Sep 17 00:00:00 2001
From: jameh <jamie.alban@gmail.com>
Date: Thu, 22 Aug 2013 13:40:25 -0400
Subject: [PATCH] Add print messages for pci.

---
 drivers/gpu/drm/nouveau/nouveau_drm.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 383f4e6..9bba5a3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -240,6 +240,25 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
    struct apertures_struct *aper;
    bool boot = false;
    int ret;
+   pr_info("jamie:\n");
+   pr_info("pci_device_id->vendor: %d\n", pent->vendor);
+   pr_info("pci_device_id->device: %d\n", pent->device);
+   pr_info("pci_device_id->subvendor: %d\n", pent->subvendor);
+   pr_info("pci_device_id->subdevice: %d\n", pent->subdevice);
+   pr_info("pci_device_id->class: %d\n", pent->class);
+   pr_info("pci_device_id->class_mask: %d\n", pent->class_mask);
+   pr_info("pci_dev->bus->number: %d\n", pdev->bus->number);
+   pr_info("nouveau_name(pci_dev): %d\n", nouveau_name(pdev));
+   pr_info("pci_dev->vendor: %d\n", pdev->vendor);
+   pr_info("pci_dev->device: %d\n", pdev->device);
+   pr_info("pci_dev->subsystem_vendor: %d\n", pdev->subsystem_vendor);
+   pr_info("pci_dev->subsystem_device: %d\n", pdev->subsystem_device);
+
+   if ((pdev->bus->number == 3) &&
+       (pdev->device == 2147)) {
+           pr_info("Detected 9400m on bus 3, ignoring.");
+           return 0; // you can also try return -E*
+   }

    /* remove conflicting drivers (vesafb, efifb etc) */
    aper = alloc_apertures(3);
@@ -422,6 +441,19 @@ nouveau_drm_unload(struct drm_device *dev)
 static void
 nouveau_drm_remove(struct pci_dev *pdev)
 {
+   pr_info("jamie:\n");
+   pr_info("nouveau_name(pci_dev): %d\n", nouveau_name(pdev));
+   pr_info("pci_dev->vendor: %d\n", pdev->vendor);
+   pr_info("pci_dev->device: %d\n", pdev->device);
+   pr_info("pci_dev->subsystem_vendor: %d\n", pdev->subsystem_vendor);
+   pr_info("pci_dev->subsystem_device: %d\n", pdev->subsystem_device);
+
+   if ((pdev->bus->number == 3) &&
+       (pdev->device == 2147)) {
+           pr_info("Detected 9400m on bus 3, ignoring.");
+           return 0; // you can also try return -E*
+   }
+
    struct drm_device *dev = pci_get_drvdata(pdev);
    struct nouveau_drm *drm = nouveau_drm(dev);
    struct nouveau_object *device;
--
1.8.3.4