Merge drm/drm-next into drm-intel-next-queued

We need the rename of reservation_object to dma_resv.

The solution on this merge came from linux-next:
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 14 Aug 2019 12:48:39 +1000
Subject: [PATCH] drm: fix up fallout from "dma-buf: rename reservation_object to dma_resv"

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
 drivers/gpu/drm/i915/gt/intel_engine_pool.c | 8 ++++----
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pool.c b/drivers/gpu/drm/i915/gt/intel_engine_pool.c
index 03d90b49584a..4cd54c569911 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pool.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pool.c
@@ -43,12 +43,12 @@ static int pool_active(struct i915_active *ref)
 {
        struct intel_engine_pool_node *node =
                container_of(ref, typeof(*node), active);
-       struct reservation_object *resv = node->obj->base.resv;
+       struct dma_resv *resv = node->obj->base.resv;
        int err;

-       if (reservation_object_trylock(resv)) {
-               reservation_object_add_excl_fence(resv, NULL);
-               reservation_object_unlock(resv);
+       if (dma_resv_trylock(resv)) {
+               dma_resv_add_excl_fence(resv, NULL);
+               dma_resv_unlock(resv);
        }

        err = i915_gem_object_pin_pages(node->obj);

which is a simplified version from a previous one which had:
Reviewed-by: Christian König <christian.koenig@amd.com>

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index d91136b39dad..343d79c1cb7e 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -1906,6 +1906,18 @@ static int kvmgt_dma_map_guest_page(unsigned long handle, unsigned long gfn,
 		ret = __gvt_cache_add(info->vgpu, gfn, *dma_addr, size);
 		if (ret)
 			goto err_unmap;
+	} else if (entry->size != size) {
+		/* the same gfn with different size: unmap and re-map */
+		gvt_dma_unmap_page(vgpu, gfn, entry->dma_addr, entry->size);
+		__gvt_cache_remove_entry(vgpu, entry);
+
+		ret = gvt_dma_map_page(vgpu, gfn, dma_addr, size);
+		if (ret)
+			goto err_unlock;
+
+		ret = __gvt_cache_add(info->vgpu, gfn, *dma_addr, size);
+		if (ret)
+			goto err_unmap;
 	} else {
 		kref_get(&entry->ref);
 		*dma_addr = entry->dma_addr;