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drm/panel: Make drm_panel_init() static

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Now that all panel drivers use devm_drm_panel_alloc(),
there are no external callers of drm_panel_init().
Make it static to prevent new users from bypassing the
refcounted allocation path.

Remove stale references to drm_panel_init() in kdocs.

Reviewed-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Albert Esteve <aesteve@redhat.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260508-drm_panel_init_rm-v2-10-0bd4ac429971@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
This commit is contained in:
Albert Esteve
2026-05-08 09:04:50 +02:00
committed by Maxime Ripard
parent 90fb1524a8
commit fe417df954
3 changed files with 3 additions and 10 deletions
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2
drivers/gpu/drm/display/drm_dp_helper.c
View File

@@ -4626,8 +4626,6 @@ static const struct backlight_ops dp_aux_bl_ops = {
* Backlight will then be handled transparently without requiring
* any intervention from the driver.
*
* drm_panel_dp_aux_backlight() must be called after the call to drm_panel_init().
*
* Return: 0 on success or a negative error code on failure.
*/
int drm_panel_dp_aux_backlight(struct drm_panel *panel, struct drm_dp_aux *aux)

7
drivers/gpu/drm/drm_panel.c
View File

@@ -56,8 +56,9 @@ static LIST_HEAD(panel_list);
* Initialize the panel structure for subsequent registration with
* drm_panel_add().
*/
void drm_panel_init(struct drm_panel *panel, struct device *dev,
const struct drm_panel_funcs *funcs, int connector_type)
static void drm_panel_init(struct drm_panel *panel, struct device *dev,
const struct drm_panel_funcs *funcs,
int connector_type)
{
if (connector_type == DRM_MODE_CONNECTOR_Unknown)
DRM_WARN("%s: %s: a valid connector type is required!\n", __func__, dev_name(dev));
@@ -69,7 +70,6 @@ void drm_panel_init(struct drm_panel *panel, struct device *dev,
panel->funcs = funcs;
panel->connector_type = connector_type;
}
EXPORT_SYMBOL(drm_panel_init);
/**
* drm_panel_add - add a panel to the global registry
@@ -731,7 +731,6 @@ EXPORT_SYMBOL(devm_drm_panel_add_follower);
* A typical implementation for a panel driver supporting device tree
* will call this function at probe time. Backlight will then be handled
* transparently without requiring any intervention from the driver.
* drm_panel_of_backlight() must be called after the call to drm_panel_init().
*
* Return: 0 on success or a negative error code on failure.
*/

4
include/drm/drm_panel.h
View File

@@ -320,10 +320,6 @@ void *__devm_drm_panel_alloc(struct device *dev, size_t size, size_t offset,
offsetof(type, member), funcs, \
connector_type))
void drm_panel_init(struct drm_panel *panel, struct device *dev,
const struct drm_panel_funcs *funcs,
int connector_type);
struct drm_panel *drm_panel_get(struct drm_panel *panel);
void drm_panel_put(struct drm_panel *panel);