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authorJordan Crouse <jcrouse@codeaurora.org>2010-05-27 13:40:25 -0600
committerDave Airlie <airlied@redhat.com>2010-06-01 10:07:39 +1000
commitdcdb167402cbdca1d021bdfa5f63995ee0a79317 (patch)
tree3cd0ab1189d972b59daaaf863f518d7b94d2de7a /drivers/gpu/drm/drm_irq.c
parent01d73a6967f12fe6c4bbde1834a9fe662264a2eb (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r--drivers/gpu/drm/drm_irq.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index a263b7070fc6..6353b625e099 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -57,6 +57,9 @@ int drm_irq_by_busid(struct drm_device *dev, void *data,
{
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 @@ int drm_irq_install(struct drm_device *dev)
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 @@ int drm_irq_install(struct drm_device *dev)
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 @@ int drm_irq_uninstall(struct drm_device * dev)
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 @@ int drm_control(struct drm_device *dev, void *data,
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 drm_wait_vblank(struct drm_device *dev, void *data,
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)