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

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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>
This commit is contained in:
Inki Dae 2014-11-06 23:00:37 +09:00
parent 06a2f5c2c4
commit f7c2f36f43
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/exynos/exynos_drm_drv.c
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@ -495,6 +495,12 @@ static struct component_match *exynos_drm_match_add(struct device *dev)
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) {
/*
* Add components to master only in case that crtc and