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Message-ID: <20231231054856.31786-1-rdunlap@infradead.org>
Date: Sat, 30 Dec 2023 21:48:56 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: linux-kernel@...r.kernel.org
Cc: Randy Dunlap <rdunlap@...radead.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
dri-devel@...ts.freedesktop.org,
Jonathan Corbet <corbet@....net>,
Vegard Nossum <vegard.nossum@...cle.com>
Subject: [PATCH] drm/gpuvm: fix all kernel-doc warnings in include/drm/drm_gpuvm.h
Update kernel-doc comments in <drm/drm_gpuvm.h> to correct all
kernel-doc warnings:
drm_gpuvm.h:148: warning: Excess struct member 'addr' description in 'drm_gpuva'
drm_gpuvm.h:148: warning: Excess struct member 'offset' description in 'drm_gpuva'
drm_gpuvm.h:148: warning: Excess struct member 'obj' description in 'drm_gpuva'
drm_gpuvm.h:148: warning: Excess struct member 'entry' description in 'drm_gpuva'
drm_gpuvm.h:148: warning: Excess struct member '__subtree_last' description in 'drm_gpuva'
drm_gpuvm.h:192: warning: No description found for return value of 'drm_gpuva_invalidated'
drm_gpuvm.h:331: warning: Excess struct member 'tree' description in 'drm_gpuvm'
drm_gpuvm.h:331: warning: Excess struct member 'list' description in 'drm_gpuvm'
drm_gpuvm.h:331: warning: Excess struct member 'list' description in 'drm_gpuvm'
drm_gpuvm.h:331: warning: Excess struct member 'local_list' description in 'drm_gpuvm'
drm_gpuvm.h:331: warning: Excess struct member 'lock' description in 'drm_gpuvm'
drm_gpuvm.h:331: warning: Excess struct member 'list' description in 'drm_gpuvm'
drm_gpuvm.h:331: warning: Excess struct member 'local_list' description in 'drm_gpuvm'
drm_gpuvm.h:331: warning: Excess struct member 'lock' description in 'drm_gpuvm'
drm_gpuvm.h:352: warning: No description found for return value of 'drm_gpuvm_get'
drm_gpuvm.h:545: warning: Excess struct member 'fn' description in 'drm_gpuvm_exec'
drm_gpuvm.h:545: warning: Excess struct member 'priv' description in 'drm_gpuvm_exec'
drm_gpuvm.h:597: warning: missing initial short description on line:
* drm_gpuvm_exec_resv_add_fence()
drm_gpuvm.h:616: warning: missing initial short description on line:
* drm_gpuvm_exec_validate()
drm_gpuvm.h:623: warning: No description found for return value of 'drm_gpuvm_exec_validate'
drm_gpuvm.h:698: warning: Excess struct member 'gpuva' description in 'drm_gpuvm_bo'
drm_gpuvm.h:698: warning: Excess struct member 'entry' description in 'drm_gpuvm_bo'
drm_gpuvm.h:698: warning: Excess struct member 'gem' description in 'drm_gpuvm_bo'
drm_gpuvm.h:698: warning: Excess struct member 'evict' description in 'drm_gpuvm_bo'
drm_gpuvm.h:726: warning: No description found for return value of 'drm_gpuvm_bo_get'
drm_gpuvm.h:738: warning: missing initial short description on line:
* drm_gpuvm_bo_gem_evict()
drm_gpuvm.h:740: warning: missing initial short description on line:
* drm_gpuvm_bo_gem_evict()
drm_gpuvm.h:698: warning: Excess struct member 'evict' description in 'drm_gpuvm_bo'
drm_gpuvm.h:844: warning: Excess struct member 'addr' description in 'drm_gpuva_op_map'
drm_gpuvm.h:844: warning: Excess struct member 'range' description in 'drm_gpuva_op_map'
drm_gpuvm.h:844: warning: Excess struct member 'offset' description in 'drm_gpuva_op_map'
drm_gpuvm.h:844: warning: Excess struct member 'obj' description in 'drm_gpuva_op_map'
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
Cc: Maxime Ripard <mripard@...nel.org>
Cc: Thomas Zimmermann <tzimmermann@...e.de>
Cc: David Airlie <airlied@...il.com>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org
Cc: Jonathan Corbet <corbet@....net>
Cc: Vegard Nossum <vegard.nossum@...cle.com>
---
include/drm/drm_gpuvm.h | 80 +++++++++++++++++++++-----------------
1 file changed, 45 insertions(+), 35 deletions(-)
diff -- a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
--- a/include/drm/drm_gpuvm.h
+++ b/include/drm/drm_gpuvm.h
@@ -92,7 +92,7 @@ struct drm_gpuva {
*/
struct {
/**
- * @addr: the start address
+ * @va.addr: the start address
*/
u64 addr;
@@ -107,17 +107,17 @@ struct drm_gpuva {
*/
struct {
/**
- * @offset: the offset within the &drm_gem_object
+ * @gem.offset: the offset within the &drm_gem_object
*/
u64 offset;
/**
- * @obj: the mapped &drm_gem_object
+ * @gem.obj: the mapped &drm_gem_object
*/
struct drm_gem_object *obj;
/**
- * @entry: the &list_head to attach this object to a &drm_gpuvm_bo
+ * @gem.entry: the &list_head to attach this object to a &drm_gpuvm_bo
*/
struct list_head entry;
} gem;
@@ -127,12 +127,12 @@ struct drm_gpuva {
*/
struct {
/**
- * @rb: the rb-tree node
+ * @rb.node: the rb-tree node
*/
struct rb_node node;
/**
- * @entry: The &list_head to additionally connect &drm_gpuvas
+ * @rb.entry: The &list_head to additionally connect &drm_gpuvas
* in the same order they appear in the interval tree. This is
* useful to keep iterating &drm_gpuvas from a start node found
* through the rb-tree while doing modifications on the rb-tree
@@ -141,7 +141,7 @@ struct drm_gpuva {
struct list_head entry;
/**
- * @__subtree_last: needed by the interval tree, holding last-in-subtree
+ * @rb.__subtree_last: needed by the interval tree, holding last-in-subtree
*/
u64 __subtree_last;
} rb;
@@ -187,6 +187,8 @@ static inline void drm_gpuva_invalidate(
* drm_gpuva_invalidated() - indicates whether the backing BO of this &drm_gpuva
* is invalidated
* @va: the &drm_gpuva to check
+ *
+ * Returns: %true if the GPU VA is invalidated, %false otherwise
*/
static inline bool drm_gpuva_invalidated(struct drm_gpuva *va)
{
@@ -252,12 +254,12 @@ struct drm_gpuvm {
*/
struct {
/**
- * @tree: the rb-tree to track GPU VA mappings
+ * @rb.tree: the rb-tree to track GPU VA mappings
*/
struct rb_root_cached tree;
/**
- * @list: the &list_head to track GPU VA mappings
+ * @rb.list: the &list_head to track GPU VA mappings
*/
struct list_head list;
} rb;
@@ -290,19 +292,19 @@ struct drm_gpuvm {
*/
struct {
/**
- * @list: &list_head storing &drm_gpuvm_bos serving as
+ * @extobj.list: &list_head storing &drm_gpuvm_bos serving as
* external object
*/
struct list_head list;
/**
- * @local_list: pointer to the local list temporarily storing
- * entries from the external object list
+ * @extobj.local_list: pointer to the local list temporarily
+ * storing entries from the external object list
*/
struct list_head *local_list;
/**
- * @lock: spinlock to protect the extobj list
+ * @extobj.lock: spinlock to protect the extobj list
*/
spinlock_t lock;
} extobj;
@@ -312,19 +314,19 @@ struct drm_gpuvm {
*/
struct {
/**
- * @list: &list_head storing &drm_gpuvm_bos currently being
- * evicted
+ * @evict.list: &list_head storing &drm_gpuvm_bos currently
+ * being evicted
*/
struct list_head list;
/**
- * @local_list: pointer to the local list temporarily storing
- * entries from the evicted object list
+ * @evict.local_list: pointer to the local list temporarily
+ * storing entries from the evicted object list
*/
struct list_head *local_list;
/**
- * @lock: spinlock to protect the evict list
+ * @evict.lock: spinlock to protect the evict list
*/
spinlock_t lock;
} evict;
@@ -344,6 +346,8 @@ void drm_gpuvm_init(struct drm_gpuvm *gp
*
* This function acquires an additional reference to @gpuvm. It is illegal to
* call this without already holding a reference. No locks required.
+ *
+ * Returns: the &struct drm_gpuvm pointer
*/
static inline struct drm_gpuvm *
drm_gpuvm_get(struct drm_gpuvm *gpuvm)
@@ -533,12 +537,13 @@ struct drm_gpuvm_exec {
*/
struct {
/**
- * @fn: The driver callback to lock additional &drm_gem_objects.
+ * @extra.fn: The driver callback to lock additional
+ * &drm_gem_objects.
*/
int (*fn)(struct drm_gpuvm_exec *vm_exec);
/**
- * @priv: driver private data for the @fn callback
+ * @extra.priv: driver private data for the @fn callback
*/
void *priv;
} extra;
@@ -589,7 +594,7 @@ void drm_gpuvm_resv_add_fence(struct drm
enum dma_resv_usage extobj_usage);
/**
- * drm_gpuvm_exec_resv_add_fence()
+ * drm_gpuvm_exec_resv_add_fence() - add fence to private and all extobj
* @vm_exec: the &drm_gpuvm_exec wrapper
* @fence: fence to add
* @private_usage: private dma-resv usage
@@ -608,10 +613,12 @@ drm_gpuvm_exec_resv_add_fence(struct drm
}
/**
- * drm_gpuvm_exec_validate()
+ * drm_gpuvm_exec_validate() - validate all BOs marked as evicted
* @vm_exec: the &drm_gpuvm_exec wrapper
*
* See drm_gpuvm_validate().
+ *
+ * Returns: 0 on success, negative error code on failure.
*/
static inline int
drm_gpuvm_exec_validate(struct drm_gpuvm_exec *vm_exec)
@@ -664,7 +671,7 @@ struct drm_gpuvm_bo {
*/
struct {
/**
- * @gpuva: The list of linked &drm_gpuvas.
+ * @list.gpuva: The list of linked &drm_gpuvas.
*
* It is safe to access entries from this list as long as the
* GEM's gpuva lock is held. See also struct drm_gem_object.
@@ -672,25 +679,25 @@ struct drm_gpuvm_bo {
struct list_head gpuva;
/**
- * @entry: Structure containing all &list_heads serving as
+ * @list.entry: Structure containing all &list_heads serving as
* entry.
*/
struct {
/**
- * @gem: List entry to attach to the &drm_gem_objects
- * gpuva list.
+ * @list.entry.gem: List entry to attach to the
+ * &drm_gem_objects gpuva list.
*/
struct list_head gem;
/**
- * @evict: List entry to attach to the &drm_gpuvms
- * extobj list.
+ * @list.entry.evict: List entry to attach to the
+ * &drm_gpuvms extobj list.
*/
struct list_head extobj;
/**
- * @evict: List entry to attach to the &drm_gpuvms evict
- * list.
+ * @list.entry.evict: List entry to attach to the
+ * &drm_gpuvms evict list.
*/
struct list_head evict;
} entry;
@@ -713,6 +720,8 @@ drm_gpuvm_bo_obtain_prealloc(struct drm_
*
* This function acquires an additional reference to @vm_bo. It is illegal to
* call this without already holding a reference. No locks required.
+ *
+ * Returns: the &struct vm_bo pointer
*/
static inline struct drm_gpuvm_bo *
drm_gpuvm_bo_get(struct drm_gpuvm_bo *vm_bo)
@@ -730,7 +739,8 @@ drm_gpuvm_bo_find(struct drm_gpuvm *gpuv
void drm_gpuvm_bo_evict(struct drm_gpuvm_bo *vm_bo, bool evict);
/**
- * drm_gpuvm_bo_gem_evict()
+ * drm_gpuvm_bo_gem_evict() - add/remove all &drm_gpuvm_bo's in the list
+ * to/from the &drm_gpuvms evicted list
* @obj: the &drm_gem_object
* @evict: indicates whether @obj is evicted
*
@@ -817,12 +827,12 @@ struct drm_gpuva_op_map {
*/
struct {
/**
- * @addr: the base address of the new mapping
+ * @va.addr: the base address of the new mapping
*/
u64 addr;
/**
- * @range: the range of the new mapping
+ * @va.range: the range of the new mapping
*/
u64 range;
} va;
@@ -832,12 +842,12 @@ struct drm_gpuva_op_map {
*/
struct {
/**
- * @offset: the offset within the &drm_gem_object
+ * @gem.offset: the offset within the &drm_gem_object
*/
u64 offset;
/**
- * @obj: the &drm_gem_object to map
+ * @gem.obj: the &drm_gem_object to map
*/
struct drm_gem_object *obj;
} gem;
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