linux-stable/drivers/gpu/drm/i915/gem/i915_gem_fence.c
Rodrigo Vivi 829e8def7b 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>
2019-08-22 00:10:36 -07:00

95 lines
1.9 KiB
C

/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2019 Intel Corporation
*/
#include "i915_drv.h"
#include "i915_gem_object.h"
struct stub_fence {
struct dma_fence dma;
struct i915_sw_fence chain;
};
static int __i915_sw_fence_call
stub_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
{
struct stub_fence *stub = container_of(fence, typeof(*stub), chain);
switch (state) {
case FENCE_COMPLETE:
dma_fence_signal(&stub->dma);
break;
case FENCE_FREE:
dma_fence_put(&stub->dma);
break;
}
return NOTIFY_DONE;
}
static const char *stub_driver_name(struct dma_fence *fence)
{
return DRIVER_NAME;
}
static const char *stub_timeline_name(struct dma_fence *fence)
{
return "object";
}
static void stub_release(struct dma_fence *fence)
{
struct stub_fence *stub = container_of(fence, typeof(*stub), dma);
i915_sw_fence_fini(&stub->chain);
BUILD_BUG_ON(offsetof(typeof(*stub), dma));
dma_fence_free(&stub->dma);
}
static const struct dma_fence_ops stub_fence_ops = {
.get_driver_name = stub_driver_name,
.get_timeline_name = stub_timeline_name,
.release = stub_release,
};
struct dma_fence *
i915_gem_object_lock_fence(struct drm_i915_gem_object *obj)
{
struct stub_fence *stub;
assert_object_held(obj);
stub = kmalloc(sizeof(*stub), GFP_KERNEL);
if (!stub)
return NULL;
i915_sw_fence_init(&stub->chain, stub_notify);
dma_fence_init(&stub->dma, &stub_fence_ops, &stub->chain.wait.lock,
0, 0);
if (i915_sw_fence_await_reservation(&stub->chain,
obj->base.resv, NULL,
true, I915_FENCE_TIMEOUT,
I915_FENCE_GFP) < 0)
goto err;
dma_resv_add_excl_fence(obj->base.resv, &stub->dma);
return &stub->dma;
err:
stub_release(&stub->dma);
return NULL;
}
void i915_gem_object_unlock_fence(struct drm_i915_gem_object *obj,
struct dma_fence *fence)
{
struct stub_fence *stub = container_of(fence, typeof(*stub), dma);
i915_sw_fence_commit(&stub->chain);
}