From: Daniel Vetter Date: Sun, 3 Nov 2013 20:09:15 +0000 (+0100) Subject: drm/irq: Look up the pci irq directly in the drm_control ioctl X-Git-Tag: firefly_0821_release~176^2~3773^2~59^2~7 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a319c1a47855eef2e1789527688b8dfdcf101dba;p=firefly-linux-kernel-4.4.55.git 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: Laurent Pinchart Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 7cf407bbfed5..cbf6f259bfe4 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -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);