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drm/exynos: Remove custom FB helper deferred setup

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The FB helper core now supports deferred setup, so the driver's custom
implementation can be removed.

v2: Drop NULL check, drm_fb_helper_hotplug_event handles that already.

Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com> (v1)
Reviewed-by: Inki Dae <inki.dae@samsung.com>
Tested-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170706130023.28417-4-daniel.vetter@ffwll.ch
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Thierry Reding 2017-07-06 15:00:22 +02:00 committed by Daniel Vetter
parent ca91a2758f
commit 812fc6f2a8
2 changed files with 5 additions and 27 deletions
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6
drivers/gpu/drm/exynos/exynos_drm_drv.c
View file

@ -395,8 +395,9 @@ static int exynos_drm_bind(struct device *dev)
/* init kms poll for handling hpd */
drm_kms_helper_poll_init(drm);
/* force connectors detection */
drm_helper_hpd_irq_event(drm);
ret = exynos_drm_fbdev_init(drm);
if (ret)
goto err_cleanup_poll;
/* register the DRM device */
ret = drm_dev_register(drm, 0);
@ -407,6 +408,7 @@ static int exynos_drm_bind(struct device *dev)
err_cleanup_fbdev:
exynos_drm_fbdev_fini(drm);
err_cleanup_poll:
drm_kms_helper_poll_fini(drm);
exynos_drm_device_subdrv_remove(drm);
err_unbind_all:

26
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
View file

@ -183,24 +183,6 @@ static const struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = {
.fb_probe = exynos_drm_fbdev_create,
};
static bool exynos_drm_fbdev_is_anything_connected(struct drm_device *dev)
{
struct drm_connector *connector;
bool ret = false;
mutex_lock(&dev->mode_config.mutex);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (connector->status != connector_status_connected)
continue;
ret = true;
break;
}
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
int exynos_drm_fbdev_init(struct drm_device *dev)
{
struct exynos_drm_fbdev *fbdev;
@ -211,9 +193,6 @@ int exynos_drm_fbdev_init(struct drm_device *dev)
if (!dev->mode_config.num_crtc || !dev->mode_config.num_connector)
return 0;
if (!exynos_drm_fbdev_is_anything_connected(dev))
return 0;
fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
if (!fbdev)
return -ENOMEM;
@ -304,8 +283,5 @@ void exynos_drm_output_poll_changed(struct drm_device *dev)
struct exynos_drm_private *private = dev->dev_private;
struct drm_fb_helper *fb_helper = private->fb_helper;
if (fb_helper)
drm_fb_helper_hotplug_event(fb_helper);
else
exynos_drm_fbdev_init(dev);
drm_fb_helper_hotplug_event(fb_helper);
}