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drm/panel: Fix build error on !CONFIG_OF

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Move helpers outside of CONFIG_OF, so basic allocation also works
without it.

Fixes: ed9c594d49 ("drm/panel: Add new helpers for refcounted panel allocatons")
Fixes: dcba396f69 ("drm/panel: Add refcount support")
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/nyrjnvctqnk6f3x5q7rlmy5nb7iopoti56pgh43zqknici5ms4@cibpldh7epra
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Lucas De Marchi
2025-04-08 07:31:42 -07:00
parent 6c3c8b35d1
commit 8f47efd68d
1 changed files with 38 additions and 38 deletions
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76
drivers/gpu/drm/drm_panel.c
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@@ -318,44 +318,6 @@ int drm_panel_get_modes(struct drm_panel *panel,
}
EXPORT_SYMBOL(drm_panel_get_modes);
#ifdef CONFIG_OF
/**
* of_drm_find_panel - look up a panel using a device tree node
* @np: device tree node of the panel
*
* Searches the set of registered panels for one that matches the given device
* tree node. If a matching panel is found, return a pointer to it.
*
* Return: A pointer to the panel registered for the specified device tree
* node or an ERR_PTR() if no panel matching the device tree node can be found.
*
* Possible error codes returned by this function:
*
* - EPROBE_DEFER: the panel device has not been probed yet, and the caller
* should retry later
* - ENODEV: the device is not available (status != "okay" or "ok")
*/
struct drm_panel *of_drm_find_panel(const struct device_node *np)
{
struct drm_panel *panel;
if (!of_device_is_available(np))
return ERR_PTR(-ENODEV);
mutex_lock(&panel_lock);
list_for_each_entry(panel, &panel_list, list) {
if (panel->dev->of_node == np) {
mutex_unlock(&panel_lock);
return panel;
}
}
mutex_unlock(&panel_lock);
return ERR_PTR(-EPROBE_DEFER);
}
EXPORT_SYMBOL(of_drm_find_panel);
static void __drm_panel_free(struct kref *kref)
{
struct drm_panel *panel = container_of(kref, struct drm_panel, refcount);
@@ -443,6 +405,44 @@ void *__devm_drm_panel_alloc(struct device *dev, size_t size, size_t offset,
}
EXPORT_SYMBOL(__devm_drm_panel_alloc);
#ifdef CONFIG_OF
/**
* of_drm_find_panel - look up a panel using a device tree node
* @np: device tree node of the panel
*
* Searches the set of registered panels for one that matches the given device
* tree node. If a matching panel is found, return a pointer to it.
*
* Return: A pointer to the panel registered for the specified device tree
* node or an ERR_PTR() if no panel matching the device tree node can be found.
*
* Possible error codes returned by this function:
*
* - EPROBE_DEFER: the panel device has not been probed yet, and the caller
* should retry later
* - ENODEV: the device is not available (status != "okay" or "ok")
*/
struct drm_panel *of_drm_find_panel(const struct device_node *np)
{
struct drm_panel *panel;
if (!of_device_is_available(np))
return ERR_PTR(-ENODEV);
mutex_lock(&panel_lock);
list_for_each_entry(panel, &panel_list, list) {
if (panel->dev->of_node == np) {
mutex_unlock(&panel_lock);
return panel;
}
}
mutex_unlock(&panel_lock);
return ERR_PTR(-EPROBE_DEFER);
}
EXPORT_SYMBOL(of_drm_find_panel);
/**
* of_drm_get_panel_orientation - look up the orientation of the panel through
* the "rotation" binding from a device tree node