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, 16 insertions, 10 deletions

diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index a9121fe66ea2..6aaba14f5972 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -35,7 +35,7 @@
  */
 
 #include <linux/kref.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 #include <drm/drm_vma_manager.h>
 
@@ -101,7 +101,7 @@ struct drm_gem_object_funcs {
 	/**
 	 * @pin:
 	 *
-	 * Pin backing buffer in memory.
+	 * Pin backing buffer in memory. Used by the drm_gem_map_attach() helper.
 	 *
 	 * This callback is optional.
 	 */
@@ -110,7 +110,7 @@ struct drm_gem_object_funcs {
 	/**
 	 * @unpin:
 	 *
-	 * Unpin backing buffer.
+	 * Unpin backing buffer. Used by the drm_gem_map_detach() helper.
 	 *
 	 * This callback is optional.
 	 */
@@ -120,16 +120,21 @@ struct drm_gem_object_funcs {
 	 * @get_sg_table:
 	 *
 	 * Returns a Scatter-Gather table representation of the buffer.
-	 * Used when exporting a buffer.
+	 * Used when exporting a buffer by the drm_gem_map_dma_buf() helper.
+	 * Releasing is done by calling dma_unmap_sg_attrs() and sg_free_table()
+	 * in drm_gem_unmap_buf(), therefore these helpers and this callback
+	 * here cannot be used for sg tables pointing at driver private memory
+	 * ranges.
 	 *
-	 * This callback is mandatory if buffer export is supported.
+	 * See also drm_prime_pages_to_sg().
 	 */
 	struct sg_table *(*get_sg_table)(struct drm_gem_object *obj);
 
 	/**
 	 * @vmap:
 	 *
-	 * Returns a virtual address for the buffer.
+	 * Returns a virtual address for the buffer. Used by the
+	 * drm_gem_dmabuf_vmap() helper.
 	 *
 	 * This callback is optional.
 	 */
@@ -138,7 +143,8 @@ struct drm_gem_object_funcs {
 	/**
 	 * @vunmap:
 	 *
-	 * Releases the the address previously returned by @vmap.
+	 * Releases the the address previously returned by @vmap. Used by the
+	 * drm_gem_dmabuf_vunmap() helper.
 	 *
 	 * This callback is optional.
 	 */
@@ -270,7 +276,7 @@ struct drm_gem_object {
 	 *
 	 * Normally (@resv == &@_resv) except for imported GEM objects.
 	 */
-	struct reservation_object *resv;
+	struct dma_resv *resv;
 
 	/**
 	 * @_resv:
@@ -279,7 +285,7 @@ struct drm_gem_object {
 	 *
 	 * This is unused for imported GEM objects.
 	 */
-	struct reservation_object _resv;
+	struct dma_resv _resv;
 
 	/**
 	 * @funcs:
@@ -384,7 +390,7 @@ void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages,
 int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles,
 			   int count, struct drm_gem_object ***objs_out);
 struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, u32 handle);
-long drm_gem_reservation_object_wait(struct drm_file *filep, u32 handle,
+long drm_gem_dma_resv_wait(struct drm_file *filep, u32 handle,
 				    bool wait_all, unsigned long timeout);
 int drm_gem_lock_reservations(struct drm_gem_object **objs, int count,
 			      struct ww_acquire_ctx *acquire_ctx);