drm/exynos: init kms poll at the end of initialization

HPD events can be generated by components even if drm_dev is not fully
initialized, to skip such events kms poll initialization should
be performed at the end of load callback followed directly by forced
connection detection.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 23fbad5a504a5459696c29b6e2ea0466a5c04cb1..2353499196b67bb7b57f6d78b1430188a8ced778 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -94,9 +94,6 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
                goto err_mode_config_cleanup;
        }
 
-       /* init kms poll for handling hpd */
-       drm_kms_helper_poll_init(dev);
-
        /* setup possible_clones. */
        exynos_drm_encoder_setup(dev);
 
@@ -116,9 +113,6 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
        if (ret)
                goto err_cleanup_vblank;
 
-       /* force connectors detection */
-       drm_helper_hpd_irq_event(dev);
-
        /*
         * enable drm irq mode.
         * - with irq_enabled = true, we can use the vblank feature.
@@ -136,6 +130,12 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
         */
        dev->vblank_disable_allowed = true;
 
+       /* init kms poll for handling hpd */
+       drm_kms_helper_poll_init(dev);
+
+       /* force connectors detection */
+       drm_helper_hpd_irq_event(dev);
+
        return 0;
 
 err_cleanup_vblank: