Merge tag 'v4.4-rc2' into drm-intel-next-queued

Linux 4.4-rc2

Backmerge to get at

commit 1b0e3a049efe471c399674fd954500ce97438d30
Author: Imre Deak <imre.deak@intel.com>
Date:   Thu Nov 5 23:04:11 2015 +0200

    drm/i915/skl: disable display side power well support for now

so that we can proplery re-eanble skl power wells in -next.

Conflicts are just adjacent lines changed, except for intel_fbdev.c
where we need to interleave the changs. Nothing nefarious.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index f9c1b6d0f2e4..f28dff313b07 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -81,6 +81,7 @@ struct iommu_domain {
         iommu_fault_handler_t handler;
         void *handler_token;
         struct iommu_domain_geometry geometry;
+        void *iova_cookie;
 };
 
 enum iommu_cap {
@@ -167,7 +168,7 @@ struct iommu_ops {
         phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova);
         int (*add_device)(struct device *dev);
         void (*remove_device)(struct device *dev);
-        int (*device_group)(struct device *dev, unsigned int *groupid);
+        struct iommu_group *(*device_group)(struct device *dev);
         int (*domain_get_attr)(struct iommu_domain *domain,
                                enum iommu_attr attr, void *data);
         int (*domain_set_attr)(struct iommu_domain *domain,
@@ -316,6 +317,11 @@ static inline size_t iommu_map_sg(struct iommu_domain *domain,
         return domain->ops->map_sg(domain, iova, sg, nents, prot);
 }
 
+/* PCI device grouping function */
+extern struct iommu_group *pci_device_group(struct device *dev);
+/* Generic device grouping function */
+extern struct iommu_group *generic_device_group(struct device *dev);
+
 #else /* CONFIG_IOMMU_API */
 
 struct iommu_ops {};