Commit f7c2f36f authored by Inki Dae's avatar Inki Dae

drm/exynos: resolve infinite loop issue on non multi-platform

This patch resovles the infinite loop issue incurred
when Exyno drm driver is enabled but all kms drivers
are disabled on Exynos board by returning -EPROBE_DEFER
only in case that there is kms device registered.
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 06a2f5c2
...@@ -495,6 +495,12 @@ static struct component_match *exynos_drm_match_add(struct device *dev) ...@@ -495,6 +495,12 @@ static struct component_match *exynos_drm_match_add(struct device *dev)
mutex_lock(&drm_component_lock); mutex_lock(&drm_component_lock);
/* Do not retry to probe if there is no any kms driver regitered. */
if (list_empty(&drm_component_list)) {
mutex_unlock(&drm_component_lock);
return ERR_PTR(-ENODEV);
}
list_for_each_entry(cdev, &drm_component_list, list) { list_for_each_entry(cdev, &drm_component_list, list) {
/* /*
* Add components to master only in case that crtc and * Add components to master only in case that crtc and
......
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