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, 62 insertions, 26 deletions

diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index 1e5cbc585ca2..147420ccf49c 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -8,11 +8,13 @@
  */
 
 #include <linux/slab.h>
-#include <linux/fence.h>
+#include <linux/dma-fence.h>
 #include <linux/reservation.h>
 
 #include "i915_sw_fence.h"
 
+#define I915_SW_FENCE_FLAG_ALLOC BIT(3) /* after WQ_FLAG_* for safety */
+
 static DEFINE_SPINLOCK(i915_sw_fence_lock);
 
 static int __i915_sw_fence_notify(struct i915_sw_fence *fence,
@@ -114,11 +116,14 @@ static void i915_sw_fence_await(struct i915_sw_fence *fence)
 	WARN_ON(atomic_inc_return(&fence->pending) <= 1);
 }
 
-void i915_sw_fence_init(struct i915_sw_fence *fence, i915_sw_fence_notify_t fn)
+void __i915_sw_fence_init(struct i915_sw_fence *fence,
+			  i915_sw_fence_notify_t fn,
+			  const char *name,
+			  struct lock_class_key *key)
 {
 	BUG_ON((unsigned long)fn & ~I915_SW_FENCE_MASK);
 
-	init_waitqueue_head(&fence->wait);
+	__init_waitqueue_head(&fence->wait, name, key);
 	kref_init(&fence->kref);
 	atomic_set(&fence->pending, 1);
 	fence->flags = (unsigned long)fn;
@@ -135,6 +140,8 @@ static int i915_sw_fence_wake(wait_queue_t *wq, unsigned mode, int flags, void *
 	list_del(&wq->task_list);
 	__i915_sw_fence_complete(wq->private, key);
 	i915_sw_fence_put(wq->private);
+	if (wq->flags & I915_SW_FENCE_FLAG_ALLOC)
+		kfree(wq);
 	return 0;
 }
 
@@ -192,9 +199,9 @@ static bool i915_sw_fence_check_if_after(struct i915_sw_fence *fence,
 	return err;
 }
 
-int i915_sw_fence_await_sw_fence(struct i915_sw_fence *fence,
-				 struct i915_sw_fence *signaler,
-				 wait_queue_t *wq)
+static int __i915_sw_fence_await_sw_fence(struct i915_sw_fence *fence,
+					  struct i915_sw_fence *signaler,
+					  wait_queue_t *wq, gfp_t gfp)
 {
 	unsigned long flags;
 	int pending;
@@ -206,8 +213,22 @@ int i915_sw_fence_await_sw_fence(struct i915_sw_fence *fence,
 	if (unlikely(i915_sw_fence_check_if_after(fence, signaler)))
 		return -EINVAL;
 
+	pending = 0;
+	if (!wq) {
+		wq = kmalloc(sizeof(*wq), gfp);
+		if (!wq) {
+			if (!gfpflags_allow_blocking(gfp))
+				return -ENOMEM;
+
+			i915_sw_fence_wait(signaler);
+			return 0;
+		}
+
+		pending |= I915_SW_FENCE_FLAG_ALLOC;
+	}
+
 	INIT_LIST_HEAD(&wq->task_list);
-	wq->flags = 0;
+	wq->flags = pending;
 	wq->func = i915_sw_fence_wake;
 	wq->private = i915_sw_fence_get(fence);
 
@@ -226,49 +247,64 @@ int i915_sw_fence_await_sw_fence(struct i915_sw_fence *fence,
 	return pending;
 }
 
-struct dma_fence_cb {
-	struct fence_cb base;
+int i915_sw_fence_await_sw_fence(struct i915_sw_fence *fence,
+				 struct i915_sw_fence *signaler,
+				 wait_queue_t *wq)
+{
+	return __i915_sw_fence_await_sw_fence(fence, signaler, wq, 0);
+}
+
+int i915_sw_fence_await_sw_fence_gfp(struct i915_sw_fence *fence,
+				     struct i915_sw_fence *signaler,
+				     gfp_t gfp)
+{
+	return __i915_sw_fence_await_sw_fence(fence, signaler, NULL, gfp);
+}
+
+struct i915_sw_dma_fence_cb {
+	struct dma_fence_cb base;
 	struct i915_sw_fence *fence;
-	struct fence *dma;
+	struct dma_fence *dma;
 	struct timer_list timer;
 };
 
 static void timer_i915_sw_fence_wake(unsigned long data)
 {
-	struct dma_fence_cb *cb = (struct dma_fence_cb *)data;
+	struct i915_sw_dma_fence_cb *cb = (struct i915_sw_dma_fence_cb *)data;
 
 	printk(KERN_WARNING "asynchronous wait on fence %s:%s:%x timed out\n",
 	       cb->dma->ops->get_driver_name(cb->dma),
 	       cb->dma->ops->get_timeline_name(cb->dma),
 	       cb->dma->seqno);
-	fence_put(cb->dma);
+	dma_fence_put(cb->dma);
 	cb->dma = NULL;
 
 	i915_sw_fence_commit(cb->fence);
 	cb->timer.function = NULL;
 }
 
-static void dma_i915_sw_fence_wake(struct fence *dma, struct fence_cb *data)
+static void dma_i915_sw_fence_wake(struct dma_fence *dma,
+				   struct dma_fence_cb *data)
 {
-	struct dma_fence_cb *cb = container_of(data, typeof(*cb), base);
+	struct i915_sw_dma_fence_cb *cb = container_of(data, typeof(*cb), base);
 
 	del_timer_sync(&cb->timer);
 	if (cb->timer.function)
 		i915_sw_fence_commit(cb->fence);
-	fence_put(cb->dma);
+	dma_fence_put(cb->dma);
 
 	kfree(cb);
 }
 
 int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence,
-				  struct fence *dma,
+				  struct dma_fence *dma,
 				  unsigned long timeout,
 				  gfp_t gfp)
 {
-	struct dma_fence_cb *cb;
+	struct i915_sw_dma_fence_cb *cb;
 	int ret;
 
-	if (fence_is_signaled(dma))
+	if (dma_fence_is_signaled(dma))
 		return 0;
 
 	cb = kmalloc(sizeof(*cb), gfp);
@@ -276,7 +312,7 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence,
 		if (!gfpflags_allow_blocking(gfp))
 			return -ENOMEM;
 
-		return fence_wait(dma, false);
+		return dma_fence_wait(dma, false);
 	}
 
 	cb->fence = i915_sw_fence_get(fence);
@@ -287,11 +323,11 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence,
 		      timer_i915_sw_fence_wake, (unsigned long)cb,
 		      TIMER_IRQSAFE);
 	if (timeout) {
-		cb->dma = fence_get(dma);
+		cb->dma = dma_fence_get(dma);
 		mod_timer(&cb->timer, round_jiffies_up(jiffies + timeout));
 	}
 
-	ret = fence_add_callback(dma, &cb->base, dma_i915_sw_fence_wake);
+	ret = dma_fence_add_callback(dma, &cb->base, dma_i915_sw_fence_wake);
 	if (ret == 0) {
 		ret = 1;
 	} else {
@@ -305,16 +341,16 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence,
 
 int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
 				    struct reservation_object *resv,
-				    const struct fence_ops *exclude,
+				    const struct dma_fence_ops *exclude,
 				    bool write,
 				    unsigned long timeout,
 				    gfp_t gfp)
 {
-	struct fence *excl;
+	struct dma_fence *excl;
 	int ret = 0, pending;
 
 	if (write) {
-		struct fence **shared;
+		struct dma_fence **shared;
 		unsigned int count, i;
 
 		ret = reservation_object_get_fences_rcu(resv,
@@ -339,7 +375,7 @@ int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
 		}
 
 		for (i = 0; i < count; i++)
-			fence_put(shared[i]);
+			dma_fence_put(shared[i]);
 		kfree(shared);
 	} else {
 		excl = reservation_object_get_excl_rcu(resv);
@@ -356,7 +392,7 @@ int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
 			ret |= pending;
 	}
 
-	fence_put(excl);
+	dma_fence_put(excl);
 
 	return ret;
 }