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Commit f2c24b83 authored by Maarten Lankhorst's avatar Maarten Lankhorst
Browse files

drm/ttm: flip the switch, and convert to dma_fence 



Signed-off-by: default avatarMaarten Lankhorst <maarten.lankhorst@canonical.com>
parent 2f453ed4

drivers/gpu/drm/nouveau/nouveau_bo.c

+6 −42
Original line number Diff line number Diff line
@@ -88,13 +88,13 @@ nv10_bo_get_tile_region(struct drm_device *dev, int i) 


static void

nv10_bo_put_tile_region(struct drm_device *dev, struct nouveau_drm_tile *tile,

			struct nouveau_fence *fence)

			struct fence *fence)

{

	struct nouveau_drm *drm = nouveau_drm(dev);



	if (tile) {

		spin_lock(&drm->tile.lock);

		tile->fence = nouveau_fence_ref(fence);

		tile->fence = nouveau_fence_ref((struct nouveau_fence *)fence);

		tile->used = false;

		spin_unlock(&drm->tile.lock);

	}
@@ -976,7 +976,8 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr, 
		if (ret == 0) {

			ret = nouveau_fence_new(chan, false, &fence);

			if (ret == 0) {

				ret = ttm_bo_move_accel_cleanup(bo, fence,

				ret = ttm_bo_move_accel_cleanup(bo,

								&fence->base,

								evict,

								no_wait_gpu,

								new_mem);
@@ -1167,8 +1168,9 @@ nouveau_bo_vm_cleanup(struct ttm_buffer_object *bo, 
{

	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);

	struct drm_device *dev = drm->dev;

	struct fence *fence = reservation_object_get_excl(bo->resv);



	nv10_bo_put_tile_region(dev, *old_tile, bo->sync_obj);

	nv10_bo_put_tile_region(dev, *old_tile, fence);

	*old_tile = new_tile;

}
@@ -1455,47 +1457,14 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm) 
	ttm_pool_unpopulate(ttm);

}



static void

nouveau_bo_fence_unref(void **sync_obj)

{

	nouveau_fence_unref((struct nouveau_fence **)sync_obj);

}



void

nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence)

{

	struct reservation_object *resv = nvbo->bo.resv;



	nouveau_bo_fence_unref(&nvbo->bo.sync_obj);

	nvbo->bo.sync_obj = nouveau_fence_ref(fence);



	reservation_object_add_excl_fence(resv, &fence->base);

}



static void *

nouveau_bo_fence_ref(void *sync_obj)

{

	return nouveau_fence_ref(sync_obj);

}



static bool

nouveau_bo_fence_signalled(void *sync_obj)

{

	return nouveau_fence_done(sync_obj);

}



static int

nouveau_bo_fence_wait(void *sync_obj, bool lazy, bool intr)

{

	return nouveau_fence_wait(sync_obj, lazy, intr);

}



static int

nouveau_bo_fence_flush(void *sync_obj)

{

	return 0;

}



struct ttm_bo_driver nouveau_bo_driver = {

	.ttm_tt_create = &nouveau_ttm_tt_create,

	.ttm_tt_populate = &nouveau_ttm_tt_populate,
@@ -1506,11 +1475,6 @@ struct ttm_bo_driver nouveau_bo_driver = { 
	.move_notify = nouveau_bo_move_ntfy,

	.move = nouveau_bo_move,

	.verify_access = nouveau_bo_verify_access,

	.sync_obj_signaled = nouveau_bo_fence_signalled,

	.sync_obj_wait = nouveau_bo_fence_wait,

	.sync_obj_flush = nouveau_bo_fence_flush,

	.sync_obj_unref = nouveau_bo_fence_unref,

	.sync_obj_ref = nouveau_bo_fence_ref,

	.fault_reserve_notify = &nouveau_ttm_fault_reserve_notify,

	.io_mem_reserve = &nouveau_ttm_io_mem_reserve,

	.io_mem_free = &nouveau_ttm_io_mem_free,

drivers/gpu/drm/nouveau/nouveau_fence.c

+8 −16
Original line number Diff line number Diff line
@@ -185,17 +185,18 @@ static void nouveau_fence_work_cb(struct fence *fence, struct fence_cb *cb) 
}



void

nouveau_fence_work(struct nouveau_fence *fence,

nouveau_fence_work(struct fence *fence,

		   void (*func)(void *), void *data)

{

	struct nouveau_fence_work *work;



	if (fence_is_signaled(&fence->base))

	if (fence_is_signaled(fence))

		goto err;



	work = kmalloc(sizeof(*work), GFP_KERNEL);

	if (!work) {

		WARN_ON(nouveau_fence_wait(fence, false, false));

		WARN_ON(nouveau_fence_wait((struct nouveau_fence *)fence,

					   false, false));

		goto err;

	}
@@ -203,7 +204,7 @@ nouveau_fence_work(struct nouveau_fence *fence, 
	work->func = func;

	work->data = data;



	if (fence_add_callback(&fence->base, &work->cb, nouveau_fence_work_cb) < 0)

	if (fence_add_callback(fence, &work->cb, nouveau_fence_work_cb) < 0)

		goto err_free;

	return;
@@ -349,14 +350,9 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan) 
	struct reservation_object_list *fobj;

	int ret = 0, i;



	fence = nvbo->bo.sync_obj;

	if (fence && fence_is_signaled(fence)) {

		nouveau_fence_unref((struct nouveau_fence **)

				    &nvbo->bo.sync_obj);

		fence = NULL;

	}

	fence = reservation_object_get_excl(resv);



	if (fence) {

	if (fence && !fence_is_signaled(fence)) {

		struct nouveau_fence *f = from_fence(fence);

		struct nouveau_channel *prev = f->channel;
@@ -370,12 +366,8 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan) 
	if (ret)

		return ret;



	fence = reservation_object_get_excl(resv);

	if (fence && !nouveau_local_fence(fence, chan->drm))

		ret = fence_wait(fence, true);



	fobj = reservation_object_get_list(resv);

	if (!fobj || ret)

	if (!fobj)

		return ret;



	for (i = 0; i < fobj->shared_count && !ret; ++i) {

drivers/gpu/drm/nouveau/nouveau_fence.h

+1 −1
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ void nouveau_fence_unref(struct nouveau_fence **); 


int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);

bool nouveau_fence_done(struct nouveau_fence *);

void nouveau_fence_work(struct nouveau_fence *, void (*)(void *), void *);

void nouveau_fence_work(struct fence *, void (*)(void *), void *);

int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);

int  nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *);

drivers/gpu/drm/nouveau/nouveau_gem.c

+9 −7
Original line number Diff line number Diff line
@@ -98,13 +98,12 @@ static void 
nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma)

{

	const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM;

	struct nouveau_fence *fence = NULL;

	struct fence *fence = NULL;



	list_del(&vma->head);



	if (mapped) {

		fence = nouveau_fence_ref(nvbo->bo.sync_obj);

	}

	if (mapped)

		fence = reservation_object_get_excl(nvbo->bo.resv);



	if (fence) {

		nouveau_fence_work(fence, nouveau_gem_object_delete, vma);
@@ -114,7 +113,6 @@ nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma) 
		nouveau_vm_put(vma);

		kfree(vma);

	}

	nouveau_fence_unref(&fence);

}



void
@@ -874,8 +872,12 @@ nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data, 
	ret = ttm_bo_reserve(&nvbo->bo, true, false, false, NULL);

	if (!ret) {

		ret = ttm_bo_wait(&nvbo->bo, true, true, true);

		if (!no_wait && ret)

			fence = nouveau_fence_ref(nvbo->bo.sync_obj);

		if (!no_wait && ret) {

			struct fence *excl;



			excl = reservation_object_get_excl(nvbo->bo.resv);

			fence = nouveau_fence_ref((struct nouveau_fence *)excl);

		}



		ttm_bo_unreserve(&nvbo->bo);

	}

drivers/gpu/drm/qxl/qxl_debugfs.c

+3 −3
Original line number Diff line number Diff line
@@ -67,9 +67,9 @@ qxl_debugfs_buffers_info(struct seq_file *m, void *data) 
		rel = fobj ? fobj->shared_count : 0;

		rcu_read_unlock();



		seq_printf(m, "size %ld, pc %d, sync obj %p, num releases %d\n",

			   (unsigned long)bo->gem_base.size, bo->pin_count,

			   bo->tbo.sync_obj, rel);

		seq_printf(m, "size %ld, pc %d, num releases %d\n",

			   (unsigned long)bo->gem_base.size,

			   bo->pin_count, rel);

	}

	spin_unlock(&qdev->release_lock);

	return 0;