提交 a319c1a4 编写于 作者: D Daniel Vetter

drm/irq: Look up the pci irq directly in the drm_control ioctl

It's only ever called for legacy drivers, which are all pci.
Reviewed-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
上级 7c1a38e3
......@@ -377,7 +377,7 @@ int drm_control(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_control *ctl = data;
int ret = 0;
int ret = 0, irq;
/* if we haven't irq we fallback for compatibility reasons -
* this used to be a separate function in drm_dma.h
......@@ -393,8 +393,10 @@ int drm_control(struct drm_device *dev, void *data,
switch (ctl->func) {
case DRM_INST_HANDLER:
irq = dev->pdev->irq;
if (dev->if_version < DRM_IF_VERSION(1, 2) &&
ctl->irq != drm_dev_to_irq(dev))
ctl->irq != irq)
return -EINVAL;
mutex_lock(&dev->struct_mutex);
ret = drm_irq_install(dev);
......
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