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drm/exynos: init vblank with real number of crtcs

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Initialization of vblank with MAX_CRTC caused attempts
to disabling vblanks for non-existing crtcs in case
drm used fewer crtcs. The patch fixes it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2014-10-07 22:09:14 +09:00 committed by Inki Dae
parent 10a8fce846
commit c52142e6a8
1 changed files with 9 additions and 9 deletions
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18
drivers/gpu/drm/exynos/exynos_drm_drv.c
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@ -94,10 +94,6 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
/* init kms poll for handling hpd */
drm_kms_helper_poll_init(dev);
ret = drm_vblank_init(dev, MAX_CRTC);
if (ret)
goto err_mode_config_cleanup;
/* setup possible_clones. */
exynos_drm_encoder_setup(dev);
@ -106,12 +102,16 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
/* Try to bind all sub drivers. */
ret = component_bind_all(dev->dev, dev);
if (ret)
goto err_cleanup_vblank;
goto err_mode_config_cleanup;
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret)
goto err_unbind_all;
/* Probe non kms sub drivers and virtual display driver. */
ret = exynos_drm_device_subdrv_probe(dev);
if (ret)
goto err_unbind_all;
goto err_cleanup_vblank;
/* force connectors detection */
drm_helper_hpd_irq_event(dev);
@ -135,10 +135,10 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
return 0;
err_unbind_all:
component_unbind_all(dev->dev, dev);
err_cleanup_vblank:
drm_vblank_cleanup(dev);
err_unbind_all:
component_unbind_all(dev->dev, dev);
err_mode_config_cleanup:
drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);
@ -155,8 +155,8 @@ static int exynos_drm_unload(struct drm_device *dev)
exynos_drm_fbdev_fini(dev);
drm_kms_helper_poll_fini(dev);
component_unbind_all(dev->dev, dev);
drm_vblank_cleanup(dev);
component_unbind_all(dev->dev, dev);
drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);