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>
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index a263b70..6353b62 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -57,6 +57,9 @@
{
struct drm_irq_busid *p = data;
+ if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
+ return -EINVAL;
+
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
@@ -211,7 +214,7 @@
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
- if (dev->pdev->irq == 0)
+ if (drm_dev_to_irq(dev) == 0)
return -EINVAL;
mutex_lock(&dev->struct_mutex);
@@ -229,7 +232,7 @@
dev->irq_enabled = 1;
mutex_unlock(&dev->struct_mutex);
- DRM_DEBUG("irq=%d\n", dev->pdev->irq);
+ DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
/* Before installing handler */
dev->driver->irq_preinstall(dev);
@@ -302,14 +305,14 @@
if (!irq_enabled)
return -EINVAL;
- DRM_DEBUG("irq=%d\n", dev->pdev->irq);
+ DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
if (!drm_core_check_feature(dev, DRIVER_MODESET))
vga_client_register(dev->pdev, NULL, NULL, NULL);
dev->driver->irq_uninstall(dev);
- free_irq(dev->pdev->irq, dev);
+ free_irq(drm_dev_to_irq(dev), dev);
return 0;
}
@@ -341,7 +344,7 @@
if (drm_core_check_feature(dev, DRIVER_MODESET))
return 0;
if (dev->if_version < DRM_IF_VERSION(1, 2) &&
- ctl->irq != dev->pdev->irq)
+ ctl->irq != drm_dev_to_irq(dev))
return -EINVAL;
return drm_irq_install(dev);
case DRM_UNINST_HANDLER:
@@ -651,7 +654,7 @@
int ret = 0;
unsigned int flags, seq, crtc;
- if ((!dev->pdev->irq) || (!dev->irq_enabled))
+ if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled))
return -EINVAL;
if (vblwait->request.type & _DRM_VBLANK_SIGNAL)