From: Thierry Reding <tred...@nvidia.com>
An unlocked version of the drm_fb_helper_add_one_connector() function
will be added in a subsequent patch. Reshuffle the code separately to
make the diff more readable later on.
Tested-by: John Stultz <john.stu...@linaro.org>
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
drivers/gpu/drm/drm_fb_helper.c | 59 ++++++++++++++++++++---------------------
1 file changed, 29 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index d06027a1b9fa..1581305c1053 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -109,6 +109,35 @@ static DEFINE_MUTEX(kernel_fb_helper_lock);
for (({ lockdep_assert_held(&(fbh)->dev->mode_config.mutex); }), \
i__ = 0; i__ < (fbh)->connector_count; i__++)
+int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct
drm_connector *connector)
+{
+ struct drm_fb_helper_connector **temp;
+ struct drm_fb_helper_connector *fb_helper_connector;
+
+ if (!drm_fbdev_emulation)
+ return 0;
+
+ WARN_ON(!mutex_is_locked(&fb_helper->dev->mode_config.mutex));
+ if (fb_helper->connector_count + 1 >
fb_helper->connector_info_alloc_count) {
+ temp = krealloc(fb_helper->connector_info, sizeof(struct
drm_fb_helper_connector *) * (fb_helper->connector_count + 1), GFP_KERNEL);
+ if (!temp)
+ return -ENOMEM;
+
+ fb_helper->connector_info_alloc_count =
fb_helper->connector_count + 1;
+ fb_helper->connector_info = temp;
+ }
+
+ fb_helper_connector = kzalloc(sizeof(struct drm_fb_helper_connector),
GFP_KERNEL);
+ if (!fb_helper_connector)
+ return -ENOMEM;
+
+ drm_connector_get(connector);
+ fb_helper_connector->connector = connector;
+ fb_helper->connector_info[fb_helper->connector_count++] =
fb_helper_connector;
+ return 0;
+}
+EXPORT_SYMBOL(drm_fb_helper_add_one_connector);
+
/**
* drm_fb_helper_single_add_all_connectors() - add all connectors to fbdev
* emulation helper
@@ -162,36 +191,6 @@ int drm_fb_helper_single_add_all_connectors(struct
drm_fb_helper *fb_helper)
}
EXPORT_SYMBOL(drm_fb_helper_single_add_all_connectors);
-int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct
drm_connector *connector)
-{
- struct drm_fb_helper_connector **temp;
- struct drm_fb_helper_connector *fb_helper_connector;
-
- if (!drm_fbdev_emulation)
- return 0;
-
- WARN_ON(!mutex_is_locked(&fb_helper->dev->mode_config.mutex));
- if (fb_helper->connector_count + 1 >
fb_helper->connector_info_alloc_count) {
- temp = krealloc(fb_helper->connector_info, sizeof(struct
drm_fb_helper_connector *) * (fb_helper->connector_count + 1), GFP_KERNEL);
- if (!temp)
- return -ENOMEM;
-
- fb_helper->connector_info_alloc_count =
fb_helper->connector_count + 1;
- fb_helper->connector_info = temp;
- }
-
-
- fb_helper_connector = kzalloc(sizeof(struct drm_fb_helper_connector),
GFP_KERNEL);
- if (!fb_helper_connector)
- return -ENOMEM;
-
- drm_connector_get(connector);
- fb_helper_connector->connector = connector;
- fb_helper->connector_info[fb_helper->connector_count++] =
fb_helper_connector;
- return 0;
-}
-EXPORT_SYMBOL(drm_fb_helper_add_one_connector);
-
int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
struct drm_connector *connector)
{
--
2.12.0
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