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

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>

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
index e7e4655..48d1380 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
@@ -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;

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index fe4842c..e03431a 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -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));

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
index e9b6b7b..a01de48 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
@@ -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));