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

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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>
This commit is contained in:
Jordan Crouse
2010-05-27 13:40:25 -06:00
committed by Dave Airlie
parent 01d73a6967
commit dcdb167402
17 changed files with 401 additions and 171 deletions
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15
drivers/gpu/drm/drm_irq.c
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@@ -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)