This just adds a correspdonding check, follow-up patches will exploit
this.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
drivers/gpu/drm/drm_irq.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index f70d3b9b7b22..3faf1e94df02 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -386,22 +386,22 @@ int drm_control(struct drm_device *dev, void *data,
* this used to be a separate function in drm_dma.h
*/
+ if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
+ return 0;
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return 0;
+ /* UMS was only ever support on pci devices. */
+ if (WARN_ON(!dev->pdev))
+ return -EINVAL;
switch (ctl->func) {
case DRM_INST_HANDLER:
- if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
- return 0;
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return 0;
if (dev->if_version < DRM_IF_VERSION(1, 2) &&
ctl->irq != drm_dev_to_irq(dev))
return -EINVAL;
+
return drm_irq_install(dev);
case DRM_UNINST_HANDLER:
- if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
- return 0;
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return 0;
return drm_irq_uninstall(dev);
default:
return -EINVAL;
--
1.8.4.3
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