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drm/vmwgfx: Replace unconditional mutex unlocked warnings with lockdep counterpart

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Replace instances of WARN_ON[_ONCE](!mutex_is_held()) with
lockdep_assert_held(). This makes sure the checking process actually
holds the mutex and also removes the checks from release builds

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
This commit is contained in:
Thomas Hellstrom 2018-09-26 15:39:24 +02:00
parent cc1e3b796b
commit d76ce03e1a
3 changed files with 6 additions and 6 deletions
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4
drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
View file

@ -660,7 +660,7 @@ static void __vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man)
{
struct vmw_cmdbuf_header *cur = man->cur;
WARN_ON(!mutex_is_locked(&man->cur_mutex));
lockdep_assert_held_once(&man->cur_mutex);
if (!cur)
return;
@ -1045,7 +1045,7 @@ static void vmw_cmdbuf_commit_cur(struct vmw_cmdbuf_man *man,
{
struct vmw_cmdbuf_header *cur = man->cur;
WARN_ON(!mutex_is_locked(&man->cur_mutex));
lockdep_assert_held_once(&man->cur_mutex);
WARN_ON(size > cur->reserved);
man->cur_pos += size;

2
drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
View file

@ -562,7 +562,7 @@ void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
{
struct vmw_dx_shader *entry, *next;
WARN_ON_ONCE(!mutex_is_locked(&dev_priv->binding_mutex));
lockdep_assert_held_once(&dev_priv->binding_mutex);
list_for_each_entry_safe(entry, next, list, cotable_head) {
WARN_ON(vmw_dx_shader_scrub(&entry->res));

6
drivers/gpu/drm/vmwgfx/vmwgfx_so.c
View file

@ -208,7 +208,7 @@ static int vmw_view_destroy(struct vmw_resource *res)
union vmw_view_destroy body;
} *cmd;
WARN_ON_ONCE(!mutex_is_locked(&dev_priv->binding_mutex));
lockdep_assert_held_once(&dev_priv->binding_mutex);
vmw_binding_res_list_scrub(&res->binding_head);
if (!view->committed || res->id == -1)
@ -439,7 +439,7 @@ void vmw_view_cotable_list_destroy(struct vmw_private *dev_priv,
{
struct vmw_view *entry, *next;
WARN_ON_ONCE(!mutex_is_locked(&dev_priv->binding_mutex));
lockdep_assert_held_once(&dev_priv->binding_mutex);
list_for_each_entry_safe(entry, next, list, cotable_head)
WARN_ON(vmw_view_destroy(&entry->res));
@ -459,7 +459,7 @@ void vmw_view_surface_list_destroy(struct vmw_private *dev_priv,
{
struct vmw_view *entry, *next;
WARN_ON_ONCE(!mutex_is_locked(&dev_priv->binding_mutex));
lockdep_assert_held_once(&dev_priv->binding_mutex);
list_for_each_entry_safe(entry, next, list, srf_head)
WARN_ON(vmw_view_destroy(&entry->res));