diff options
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 394cc55b3214..c2bbe7bee7b6 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -32,6 +32,7 @@ #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/pci.h> #include <linux/slab.h> #include <linux/vga_switcheroo.h> @@ -2075,9 +2076,13 @@ EXPORT_SYMBOL(drm_get_edid); struct edid *drm_get_edid_switcheroo(struct drm_connector *connector, struct i2c_adapter *adapter) { - struct pci_dev *pdev = connector->dev->pdev; + struct drm_device *dev = connector->dev; + struct pci_dev *pdev = to_pci_dev(dev->dev); struct edid *edid; + if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev))) + return NULL; + vga_switcheroo_lock_ddc(pdev); edid = drm_get_edid(connector, adapter); vga_switcheroo_unlock_ddc(pdev); |