[PATCH 2/4] drm/exynos: init kms poll at the end of initialization

Andrzej Hajda a.hajda at samsung.com
Fri Oct 10 05:31:54 PDT 2014


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 at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 322e7bf..ce6c14c 100644
--- 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:
-- 
1.9.1



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