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-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_context.c6
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h44
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c75
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_shader.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_so.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_surface.c2
10 files changed, 68 insertions, 73 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
index 7c3cb8efd11a..4d502567d24c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
@@ -217,9 +217,7 @@ static int vmw_gb_context_init(struct vmw_private *dev_priv,
}
}
-
-
- vmw_resource_activate(res, vmw_hw_context_destroy);
+ res->hw_destroy = vmw_hw_context_destroy;
return 0;
out_cotables:
@@ -274,7 +272,7 @@ static int vmw_context_init(struct vmw_private *dev_priv,
vmw_fifo_commit(dev_priv, sizeof(*cmd));
vmw_fifo_resource_inc(dev_priv);
- vmw_resource_activate(res, vmw_hw_context_destroy);
+ res->hw_destroy = vmw_hw_context_destroy;
return 0;
out_early:
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index 1d45714e1d5a..44f3f6f107d3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -615,7 +615,7 @@ struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
vcotbl->type = type;
vcotbl->ctx = ctx;
- vmw_resource_activate(&vcotbl->res, vmw_hw_cotable_destroy);
+ vcotbl->res.hw_destroy = vmw_hw_cotable_destroy;
return &vcotbl->res;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index d9c178e235b4..61a84b958d67 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -667,8 +667,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
mutex_init(&dev_priv->binding_mutex);
mutex_init(&dev_priv->requested_layout_mutex);
mutex_init(&dev_priv->global_kms_state_mutex);
- rwlock_init(&dev_priv->resource_lock);
ttm_lock_init(&dev_priv->reservation_sem);
+ spin_lock_init(&dev_priv->resource_lock);
spin_lock_init(&dev_priv->hw_lock);
spin_lock_init(&dev_priv->waiter_lock);
spin_lock_init(&dev_priv->cap_lock);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 61866294147e..d83bb70627ec 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -113,21 +113,49 @@ struct vmw_validate_buffer {
};
struct vmw_res_func;
+
+
+/**
+ * struct vmw-resource - base class for hardware resources
+ *
+ * @kref: For refcounting.
+ * @dev_priv: Pointer to the device private for this resource. Immutable.
+ * @id: Device id. Protected by @dev_priv::resource_lock.
+ * @backup_size: Backup buffer size. Immutable.
+ * @res_dirty: Resource contains data not yet in the backup buffer. Protected
+ * by resource reserved.
+ * @backup_dirty: Backup buffer contains data not yet in the HW resource.
+ * Protecte by resource reserved.
+ * @backup: The backup buffer if any. Protected by resource reserved.
+ * @backup_offset: Offset into the backup buffer if any. Protected by resource
+ * reserved. Note that only a few resource types can have a @backup_offset
+ * different from zero.
+ * @pin_count: The pin count for this resource. A pinned resource has a
+ * pin-count greater than zero. It is not on the resource LRU lists and its
+ * backup buffer is pinned. Hence it can't be evicted.
+ * @func: Method vtable for this resource. Immutable.
+ * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
+ * @mob_head: List head for the MOB backup list. Protected by @backup reserved.
+ * @binding_head: List head for the context binding list. Protected by
+ * the @dev_priv::binding_mutex
+ * @res_free: The resource destructor.
+ * @hw_destroy: Callback to destroy the resource on the device, as part of
+ * resource destruction.
+ */
struct vmw_resource {
struct kref kref;
struct vmw_private *dev_priv;
int id;
- bool avail;
unsigned long backup_size;
- bool res_dirty; /* Protected by backup buffer reserved */
- bool backup_dirty; /* Protected by backup buffer reserved */
+ bool res_dirty;
+ bool backup_dirty;
struct vmw_buffer_object *backup;
unsigned long backup_offset;
- unsigned long pin_count; /* Protected by resource reserved */
+ unsigned long pin_count;
const struct vmw_res_func *func;
- struct list_head lru_head; /* Protected by the resource lock */
- struct list_head mob_head; /* Protected by @backup reserved */
- struct list_head binding_head; /* Protected by binding_mutex */
+ struct list_head lru_head;
+ struct list_head mob_head;
+ struct list_head binding_head;
void (*res_free) (struct vmw_resource *res);
void (*hw_destroy) (struct vmw_resource *res);
};
@@ -471,7 +499,7 @@ struct vmw_private {
* Context and surface management.
*/
- rwlock_t resource_lock;
+ spinlock_t resource_lock;
struct idr res_idr[vmw_res_max];
/*
* Block lastclose from racing with firstopen.
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 315b3d60567d..55df79eccd57 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -58,11 +58,11 @@ void vmw_resource_release_id(struct vmw_resource *res)
struct vmw_private *dev_priv = res->dev_priv;
struct idr *idr = &dev_priv->res_idr[res->func->res_type];
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
if (res->id != -1)
idr_remove(idr, res->id);
res->id = -1;
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
}
static void vmw_resource_release(struct kref *kref)
@@ -73,10 +73,9 @@ static void vmw_resource_release(struct kref *kref)
int id;
struct idr *idr = &dev_priv->res_idr[res->func->res_type];
- write_lock(&dev_priv->resource_lock);
- res->avail = false;
+ spin_lock(&dev_priv->resource_lock);
list_del_init(&res->lru_head);
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
if (res->backup) {
struct ttm_buffer_object *bo = &res->backup->base;
@@ -108,10 +107,10 @@ static void vmw_resource_release(struct kref *kref)
else
kfree(res);
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
if (id != -1)
idr_remove(idr, id);
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
}
void vmw_resource_unreference(struct vmw_resource **p_res)
@@ -140,13 +139,13 @@ int vmw_resource_alloc_id(struct vmw_resource *res)
BUG_ON(res->id != -1);
idr_preload(GFP_KERNEL);
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
ret = idr_alloc(idr, res, 1, 0, GFP_NOWAIT);
if (ret >= 0)
res->id = ret;
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
idr_preload_end();
return ret < 0 ? ret : 0;
}
@@ -170,7 +169,6 @@ int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res,
kref_init(&res->kref);
res->hw_destroy = NULL;
res->res_free = res_free;
- res->avail = false;
res->dev_priv = dev_priv;
res->func = func;
INIT_LIST_HEAD(&res->lru_head);
@@ -187,28 +185,6 @@ int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res,
return vmw_resource_alloc_id(res);
}
-/**
- * vmw_resource_activate
- *
- * @res: Pointer to the newly created resource
- * @hw_destroy: Destroy function. NULL if none.
- *
- * Activate a resource after the hardware has been made aware of it.
- * Set tye destroy function to @destroy. Typically this frees the
- * resource and destroys the hardware resources associated with it.
- * Activate basically means that the function vmw_resource_lookup will
- * find it.
- */
-void vmw_resource_activate(struct vmw_resource *res,
- void (*hw_destroy) (struct vmw_resource *))
-{
- struct vmw_private *dev_priv = res->dev_priv;
-
- write_lock(&dev_priv->resource_lock);
- res->avail = true;
- res->hw_destroy = hw_destroy;
- write_unlock(&dev_priv->resource_lock);
-}
/**
* vmw_user_resource_lookup_handle - lookup a struct resource from a
@@ -243,15 +219,10 @@ int vmw_user_resource_lookup_handle(struct vmw_private *dev_priv,
goto out_bad_resource;
res = converter->base_obj_to_res(base);
-
- read_lock(&dev_priv->resource_lock);
- if (!res->avail || res->res_free != converter->res_free) {
- read_unlock(&dev_priv->resource_lock);
+ if (res->res_free != converter->res_free)
goto out_bad_resource;
- }
kref_get(&res->kref);
- read_unlock(&dev_priv->resource_lock);
*p_res = res;
ret = 0;
@@ -422,10 +393,10 @@ void vmw_resource_unreserve(struct vmw_resource *res,
if (!res->func->may_evict || res->id == -1 || res->pin_count)
return;
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
list_add_tail(&res->lru_head,
&res->dev_priv->res_lru[res->func->res_type]);
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
}
/**
@@ -504,9 +475,9 @@ int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
struct vmw_private *dev_priv = res->dev_priv;
int ret;
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
list_del_init(&res->lru_head);
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
if (res->func->needs_backup && res->backup == NULL &&
!no_backup) {
@@ -619,12 +590,12 @@ int vmw_resource_validate(struct vmw_resource *res, bool intr)
if (likely(ret != -EBUSY))
break;
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
if (list_empty(lru_list) || !res->func->may_evict) {
DRM_ERROR("Out of device device resources "
"for %s.\n", res->func->type_name);
ret = -EBUSY;
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
break;
}
@@ -633,14 +604,14 @@ int vmw_resource_validate(struct vmw_resource *res, bool intr)
lru_head));
list_del_init(&evict_res->lru_head);
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
/* Trylock backup buffers with a NULL ticket. */
ret = vmw_resource_do_evict(NULL, evict_res, intr);
if (unlikely(ret != 0)) {
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
list_add_tail(&evict_res->lru_head, lru_list);
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
if (ret == -ERESTARTSYS ||
++err_count > VMW_RES_EVICT_ERR_COUNT) {
vmw_resource_unreference(&evict_res);
@@ -822,7 +793,7 @@ static void vmw_resource_evict_type(struct vmw_private *dev_priv,
struct ww_acquire_ctx ticket;
do {
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
if (list_empty(lru_list))
goto out_unlock;
@@ -831,14 +802,14 @@ static void vmw_resource_evict_type(struct vmw_private *dev_priv,
list_first_entry(lru_list, struct vmw_resource,
lru_head));
list_del_init(&evict_res->lru_head);
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
/* Wait lock backup buffers with a ticket. */
ret = vmw_resource_do_evict(&ticket, evict_res, false);
if (unlikely(ret != 0)) {
- write_lock(&dev_priv->resource_lock);
+ spin_lock(&dev_priv->resource_lock);
list_add_tail(&evict_res->lru_head, lru_list);
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
if (++err_count > VMW_RES_EVICT_ERR_COUNT) {
vmw_resource_unreference(&evict_res);
return;
@@ -849,7 +820,7 @@ static void vmw_resource_evict_type(struct vmw_private *dev_priv,
} while (1);
out_unlock:
- write_unlock(&dev_priv->resource_lock);
+ spin_unlock(&dev_priv->resource_lock);
}
/**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h
index a8c1c5ebd71d..645370868296 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h
@@ -120,8 +120,6 @@ int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res,
bool delay_id,
void (*res_free) (struct vmw_resource *res),
const struct vmw_res_func *func);
-void vmw_resource_activate(struct vmw_resource *res,
- void (*hw_destroy) (struct vmw_resource *));
int
vmw_simple_resource_create_ioctl(struct drm_device *dev,
void *data,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index e03431aef3d0..c72b4351176a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -186,7 +186,7 @@ static int vmw_gb_shader_init(struct vmw_private *dev_priv,
shader->num_input_sig = num_input_sig;
shader->num_output_sig = num_output_sig;
- vmw_resource_activate(res, vmw_hw_shader_destroy);
+ res->hw_destroy = vmw_hw_shader_destroy;
return 0;
}
@@ -656,7 +656,7 @@ int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
goto out_resource_init;
res->id = shader->id;
- vmw_resource_activate(res, vmw_hw_shader_destroy);
+ res->hw_destroy = vmw_hw_shader_destroy;
out_resource_init:
vmw_resource_unreference(&res);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c
index 6ebc5affde14..3bd60f7a9d6d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c
@@ -81,7 +81,7 @@ static int vmw_simple_resource_init(struct vmw_private *dev_priv,
return ret;
}
- vmw_resource_activate(&simple->res, simple->func->hw_destroy);
+ simple->res.hw_destroy = simple->func->hw_destroy;
return 0;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
index a01de4845eb7..aaabb87ac3af 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
@@ -386,7 +386,7 @@ int vmw_view_add(struct vmw_cmdbuf_res_manager *man,
goto out_resource_init;
res->id = view->view_id;
- vmw_resource_activate(res, vmw_hw_view_destroy);
+ res->hw_destroy = vmw_hw_view_destroy;
out_resource_init:
vmw_resource_unreference(&res);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index e125233e074b..bd4cf995089c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -614,7 +614,7 @@ static int vmw_surface_init(struct vmw_private *dev_priv,
*/
INIT_LIST_HEAD(&srf->view_list);
- vmw_resource_activate(res, vmw_hw_surface_destroy);
+ res->hw_destroy = vmw_hw_surface_destroy;
return ret;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-03 00:12:40 +0300