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path: root/drivers/gpu/drm/nouveau/nouveau_drm.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drm.c59
1 files changed, 51 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index eeadcac..8f811a5f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -82,7 +82,7 @@ module_param_named(runpm, nouveau_runtime_pm, int, 0400);
static struct drm_driver driver;
static u64
-nouveau_name(struct pci_dev *pdev)
+nouveau_pci_name(struct pci_dev *pdev)
{
u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
name |= pdev->bus->number << 16;
@@ -90,15 +90,30 @@ nouveau_name(struct pci_dev *pdev)
return name | PCI_FUNC(pdev->devfn);
}
+static u64
+nouveau_platform_name(struct platform_device *platformdev)
+{
+ return platformdev->id;
+}
+
+static u64
+nouveau_name(struct drm_device *dev)
+{
+ if (dev->pdev)
+ return nouveau_pci_name(dev->pdev);
+ else
+ return nouveau_platform_name(dev->platformdev);
+}
+
static int
-nouveau_cli_create(struct pci_dev *pdev, const char *name,
+nouveau_cli_create(u64 name, const char *sname,
int size, void **pcli)
{
struct nouveau_cli *cli;
int ret;
*pcli = NULL;
- ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
+ ret = nouveau_client_create_(sname, name, nouveau_config,
nouveau_debug, size, pcli);
cli = *pcli;
if (ret) {
@@ -282,7 +297,8 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
remove_conflicting_framebuffers(aper, "nouveaufb", boot);
kfree(aper);
- ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
+ ret = nouveau_device_create(pdev, NOUVEAU_BUS_PCI,
+ nouveau_pci_name(pdev), pci_name(pdev),
nouveau_config, nouveau_debug, &device);
if (ret)
return ret;
@@ -305,6 +321,12 @@ nouveau_get_hdmi_dev(struct nouveau_drm *drm)
{
struct pci_dev *pdev = drm->dev->pdev;
+ if (!pdev) {
+ DRM_INFO("not a PCI device; no HDMI");
+ drm->hdmi_device = NULL;
+ return;
+ }
+
/* subfunction one is a hdmi audio device? */
drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
@@ -330,7 +352,8 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
struct nouveau_drm *drm;
int ret;
- ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
+ ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm),
+ (void **)&drm);
if (ret)
return ret;
@@ -346,7 +369,7 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
/* make sure AGP controller is in a consistent state before we
* (possibly) execute vbios init tables (see nouveau_agp.h)
*/
- if (drm_pci_device_is_agp(dev) && dev->agp) {
+ if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
/* dummy device object, doesn't init anything, but allows
* agp code access to registers
*/
@@ -672,7 +695,6 @@ static int nouveau_pmops_thaw(struct device *dev)
static int
nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
{
- struct pci_dev *pdev = dev->pdev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_cli *cli;
char name[32], tmpname[TASK_COMM_LEN];
@@ -686,7 +708,9 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
- ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
+ ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli),
+ (void **)&cli);
+
if (ret)
goto out_suspend;
@@ -975,6 +999,25 @@ nouveau_drm_pci_driver = {
.driver.pm = &nouveau_pm_ops,
};
+int nouveau_drm_platform_probe(struct platform_device *pdev)
+{
+ struct nouveau_device *device;
+ int ret;
+
+ ret = nouveau_device_create(pdev, NOUVEAU_BUS_PLATFORM,
+ nouveau_platform_name(pdev),
+ dev_name(&pdev->dev), nouveau_config,
+ nouveau_debug, &device);
+
+ ret = drm_platform_init(&driver, pdev);
+ if (ret) {
+ nouveau_object_ref(NULL, (struct nouveau_object **)&device);
+ return ret;
+ }
+
+ return ret;
+}
+
static int __init
nouveau_drm_init(void)
{
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