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 --- 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: