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: Inki Dae <inki.dae@samsung.com>
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@ -495,6 +495,12 @@ static struct component_match *exynos_drm_match_add(struct device *dev)
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mutex_lock(&drm_component_lock);
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/* Do not retry to probe if there is no any kms driver regitered. */
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if (list_empty(&drm_component_list)) {
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mutex_unlock(&drm_component_lock);
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return ERR_PTR(-ENODEV);
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}
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list_for_each_entry(cdev, &drm_component_list, list) {
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/*
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* Add components to master only in case that crtc and
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