Merge tag 'drm-fixes-2020-01-19' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Back from LCA2020, fixes wasn't too busy last week, seems to have
  quieten down appropriately, some amdgpu, i915, then a core mst fix and
  one fix for virtio-gpu and one for rockchip:

  core mst:
   - serialize down messages and clear timeslots are on unplug

  amdgpu:
   - Update golden settings for renoir
   - eDP fix

  i915:
   - uAPI fix: Remove dash and colon from PMU names to comply with
     tools/perf
   - Fix for include file that was indirectly included
   - Two fixes to make sure VMA are marked active for error capture

  virtio:
   - maintain obj reservation lock when submitting cmds

  rockchip:
   - increase link rate var size to accommodate rates"

* tag 'drm-fixes-2020-01-19' of git://anongit.freedesktop.org/drm/drm:
  drm/amd/display: Reorder detect_edp_sink_caps before link settings read.
  drm/amdgpu: update goldensetting for renoir
  drm/dp_mst: Have DP_Tx send one msg at a time
  drm/dp_mst: clear time slots for ports invalid
  drm/i915/pmu: Do not use colons or dashes in PMU names
  drm/rockchip: fix integer type used for storing dp data rate
  drm/i915/gt: Mark ring->vma as active while pinned
  drm/i915/gt: Mark context->state vma as active while pinned
  drm/i915/gt: Skip trying to unbind in restore_ggtt_mappings
  drm/i915: Add missing include file <linux/math64.h>
  drm/virtio: add missing virtio_gpu_array_lock_resv call

1 files changed, 37 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index ef7bc41ffffa..5b7ff3ccfa8e 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -123,6 +123,10 @@ static int __context_pin_state(struct i915_vma *vma)
 	if (err)
 		return err;
 
+	err = i915_active_acquire(&vma->active);
+	if (err)
+		goto err_unpin;
+
 	/*
 	 * And mark it as a globally pinned object to let the shrinker know
 	 * it cannot reclaim the object until we release it.
@@ -131,14 +135,44 @@ static int __context_pin_state(struct i915_vma *vma)
 	vma->obj->mm.dirty = true;
 
 	return 0;
+
+err_unpin:
+	i915_vma_unpin(vma);
+	return err;
 }
 
 static void __context_unpin_state(struct i915_vma *vma)
 {
 	i915_vma_make_shrinkable(vma);
+	i915_active_release(&vma->active);
 	__i915_vma_unpin(vma);
 }
 
+static int __ring_active(struct intel_ring *ring)
+{
+	int err;
+
+	err = i915_active_acquire(&ring->vma->active);
+	if (err)
+		return err;
+
+	err = intel_ring_pin(ring);
+	if (err)
+		goto err_active;
+
+	return 0;
+
+err_active:
+	i915_active_release(&ring->vma->active);
+	return err;
+}
+
+static void __ring_retire(struct intel_ring *ring)
+{
+	intel_ring_unpin(ring);
+	i915_active_release(&ring->vma->active);
+}
+
 __i915_active_call
 static void __intel_context_retire(struct i915_active *active)
 {
@@ -151,7 +185,7 @@ static void __intel_context_retire(struct i915_active *active)
 		__context_unpin_state(ce->state);
 
 	intel_timeline_unpin(ce->timeline);
-	intel_ring_unpin(ce->ring);
+	__ring_retire(ce->ring);
 
 	intel_context_put(ce);
 }
@@ -163,7 +197,7 @@ static int __intel_context_active(struct i915_active *active)
 
 	intel_context_get(ce);
 
-	err = intel_ring_pin(ce->ring);
+	err = __ring_active(ce->ring);
 	if (err)
 		goto err_put;
 
@@ -183,7 +217,7 @@ static int __intel_context_active(struct i915_active *active)
 err_timeline:
 	intel_timeline_unpin(ce->timeline);
 err_ring:
-	intel_ring_unpin(ce->ring);
+	__ring_retire(ce->ring);
 err_put:
 	intel_context_put(ce);
 	return err;