drm: Add support for platform devices to register as DRM devices

Allow platform devices without PCI resources to be DRM devices.

[airlied: fixup warnings with dev pointers]

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 17 insertions, 6 deletions

diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index f0f6c6b93f3a..2ef2c7827243 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -51,13 +51,24 @@ int drm_name_info(struct seq_file *m, void *data)
         if (!master)
                 return 0;
 
-        if (master->unique) {
-                seq_printf(m, "%s %s %s\n",
-                           dev->driver->pci_driver.name,
-                           pci_name(dev->pdev), master->unique);
+        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) {
+                if (master->unique) {
+                        seq_printf(m, "%s %s %s\n",
+                                        dev->driver->platform_device->name,
+                                        dev_name(dev->dev), master->unique);
+                } else {
+                        seq_printf(m, "%s\n",
+                                dev->driver->platform_device->name);
+                }
         } else {
-                seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,
-                           pci_name(dev->pdev));
+                if (master->unique) {
+                        seq_printf(m, "%s %s %s\n",
+                                dev->driver->pci_driver.name,
+                                dev_name(dev->dev), master->unique);
+                } else {
+                        seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,
+                                dev_name(dev->dev));
+                }
         }
 
         return 0;