Merge tag 'drm-for-v4.10' of git://people.freedesktop.org/~airlied/linux

Pull drm updates from Dave Airlie:
 "This is the main pull request for drm for 4.10 kernel.

  New drivers:
   - ZTE VOU display driver (zxdrm)
   - Amlogic Meson Graphic Controller GXBB/GXL/GXM SoCs (meson)
   - MXSFB support (mxsfb)

  Core:
   - Format handling has been reworked
   - Better atomic state debugging
   - drm_mm leak debugging
   - Atomic explicit fencing support
   - fbdev helper ops
   - Documentation updates
   - MST fbcon fixes

  Bridge:
   - Silicon Image SiI8620 driver

  Panel:
   - Add support for new simple panels

  i915:
   - GVT Device model
   - Better HDMI2.0 support on skylake
   - More watermark fixes
   - GPU idling rework for suspend/resume
   - DP Audio workarounds
   - Scheduler prep-work
   - Opregion CADL handling
   - GPU scheduler and priority boosting

  amdgfx/radeon:
   - Support for virtual devices
   - New VM manager for non-contig VRAM buffers
   - UVD powergating
   - SI register header cleanup
   - Cursor fixes
   - Powermanagement fixes

  nouveau:
   - Powermangement reworks for better voltage/clock changes
   - Atomic modesetting support
   - Displayport Multistream (MST) support.
   - GP102/104 hang and cursor fixes
   - GP106 support

  hisilicon:
   - hibmc support (BMC chip for aarch64 servers)

  armada:
   - add tracing support for overlay change
   - refactor plane support
   - de-midlayer the driver

  omapdrm:
   - Timing code cleanups

  rcar-du:
   - R8A7792/R8A7796 support
   - Misc fixes.

  sunxi:
   - A31 SoC display engine support

  imx-drm:
   - YUV format support
   - Cleanup plane atomic update

  mali-dp:
   - Misc fixes

  dw-hdmi:
   - Add support for HDMI i2c master controller

  tegra:
   - IOMMU support fixes
   - Error handling fixes

  tda998x:
   - Fix connector registration
   - Improved robustness
   - Fix infoframe/audio compliance

  virtio:
   - fix busid issues
   - allocate more vbufs

  qxl:
   - misc fixes and cleanups.

  vc4:
   - Fragment shader threading
   - ETC1 support
   - VEC (tv-out) support

  msm:
   - A5XX GPU support
   - Lots of atomic changes

  tilcdc:
   - Misc fixes and cleanups.

  etnaviv:
   - Fix dma-buf export path
   - DRAW_INSTANCED support
   - fix driver on i.MX6SX

  exynos:
   - HDMI refactoring

  fsl-dcu:
   - fbdev changes"

* tag 'drm-for-v4.10' of git://people.freedesktop.org/~airlied/linux: (1343 commits)
  drm/nouveau/kms/nv50: fix atomic regression on original G80
  drm/nouveau/bl: Do not register interface if Apple GMUX detected
  drm/nouveau/bl: Assign different names to interfaces
  drm/nouveau/bios/dp: fix handling of LevelEntryTableIndex on DP table 4.2
  drm/nouveau/ltc: protect clearing of comptags with mutex
  drm/nouveau/gr/gf100-: handle GPC/TPC/MPC trap
  drm/nouveau/core: recognise GP106 chipset
  drm/nouveau/ttm: wait for bo fence to signal before unmapping vmas
  drm/nouveau/gr/gf100-: FECS intr handling is not relevant on proprietary ucode
  drm/nouveau/gr/gf100-: properly ack all FECS error interrupts
  drm/nouveau/fifo/gf100-: recover from host mmu faults
  drm: Add fake controlD* symlinks for backwards compat
  drm/vc4: Don't use drm_put_dev
  drm/vc4: Document VEC DT binding
  drm/vc4: Add support for the VEC (Video Encoder) IP
  drm: Add TV connector states to drm_connector_state
  drm: Turn DRM_MODE_SUBCONNECTOR_xx definitions into an enum
  drm/vc4: Fix ->clock_select setting for the VEC encoder
  drm/amdgpu/dce6: Set MASTER_UPDATE_MODE to 0 in resume_mc_access as well
  drm/amdgpu: use pin rather than pin_restricted in a few cases
  ...

1 files changed, 19 insertions, 22 deletions

diff --git a/include/linux/reservation.h b/include/linux/reservation.h
index b0f305e77b7f..d9706a6f5ae2 100644
--- a/include/linux/reservation.h
+++ b/include/linux/reservation.h
@@ -40,7 +40,7 @@
 #define _LINUX_RESERVATION_H
 
 #include <linux/ww_mutex.h>
-#include <linux/fence.h>
+#include <linux/dma-fence.h>
 #include <linux/slab.h>
 #include <linux/seqlock.h>
 #include <linux/rcupdate.h>
@@ -59,7 +59,7 @@ extern const char reservation_seqcount_string[];
 struct reservation_object_list {
 	struct rcu_head rcu;
 	u32 shared_count, shared_max;
-	struct fence __rcu *shared[];
+	struct dma_fence __rcu *shared[];
 };
 
 /**
@@ -74,7 +74,7 @@ struct reservation_object {
 	struct ww_mutex lock;
 	seqcount_t seq;
 
-	struct fence __rcu *fence_excl;
+	struct dma_fence __rcu *fence_excl;
 	struct reservation_object_list __rcu *fence;
 	struct reservation_object_list *staged;
 };
@@ -107,7 +107,7 @@ reservation_object_fini(struct reservation_object *obj)
 {
 	int i;
 	struct reservation_object_list *fobj;
-	struct fence *excl;
+	struct dma_fence *excl;
 
 	/*
 	 * This object should be dead and all references must have
@@ -115,12 +115,12 @@ reservation_object_fini(struct reservation_object *obj)
 	 */
 	excl = rcu_dereference_protected(obj->fence_excl, 1);
 	if (excl)
-		fence_put(excl);
+		dma_fence_put(excl);
 
 	fobj = rcu_dereference_protected(obj->fence, 1);
 	if (fobj) {
 		for (i = 0; i < fobj->shared_count; ++i)
-			fence_put(rcu_dereference_protected(fobj->shared[i], 1));
+			dma_fence_put(rcu_dereference_protected(fobj->shared[i], 1));
 
 		kfree(fobj);
 	}
@@ -155,7 +155,7 @@ reservation_object_get_list(struct reservation_object *obj)
  * RETURNS
  * The exclusive fence or NULL
  */
-static inline struct fence *
+static inline struct dma_fence *
 reservation_object_get_excl(struct reservation_object *obj)
 {
 	return rcu_dereference_protected(obj->fence_excl,
@@ -173,35 +173,32 @@ reservation_object_get_excl(struct reservation_object *obj)
  * RETURNS
  * The exclusive fence or NULL if none
  */
-static inline struct fence *
+static inline struct dma_fence *
 reservation_object_get_excl_rcu(struct reservation_object *obj)
 {
-	struct fence *fence;
-	unsigned seq;
-retry:
-	seq = read_seqcount_begin(&obj->seq);
+	struct dma_fence *fence;
+
+	if (!rcu_access_pointer(obj->fence_excl))
+		return NULL;
+
 	rcu_read_lock();
-	fence = rcu_dereference(obj->fence_excl);
-	if (read_seqcount_retry(&obj->seq, seq)) {
-		rcu_read_unlock();
-		goto retry;
-	}
-	fence = fence_get(fence);
+	fence = dma_fence_get_rcu_safe(&obj->fence_excl);
 	rcu_read_unlock();
+
 	return fence;
 }
 
 int reservation_object_reserve_shared(struct reservation_object *obj);
 void reservation_object_add_shared_fence(struct reservation_object *obj,
-					 struct fence *fence);
+					 struct dma_fence *fence);
 
 void reservation_object_add_excl_fence(struct reservation_object *obj,
-				       struct fence *fence);
+				       struct dma_fence *fence);
 
 int reservation_object_get_fences_rcu(struct reservation_object *obj,
-				      struct fence **pfence_excl,
+				      struct dma_fence **pfence_excl,
 				      unsigned *pshared_count,
-				      struct fence ***pshared);
+				      struct dma_fence ***pshared);
 
 long reservation_object_wait_timeout_rcu(struct reservation_object *obj,
 					 bool wait_all, bool intr,