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drm: sti: rework init sequence 

Use drm_dev_alloc() and drm_dev_register() instead of .load()
To simplify init sequence only create fbdev when requested
in output_poll_changed().

version 2:
remove call to drm_connector_unregister_all() and
drm_dev_set_unique()

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1466514580-15194-4-git-send-email-benjamin.gaignard@linaro.org
This commit is contained in:
Benjamin Gaignard 2016-06-21 15:09:40 +02:00 committed by Daniel Vetter
parent 83af0a483a
commit 84601dbdea
5 changed files with 100 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

137
drivers/gpu/drm/sti/sti_drv.c
View File

@ -226,8 +226,28 @@ static int sti_atomic_commit(struct drm_device *drm,
return 0;
}
static void sti_output_poll_changed(struct drm_device *ddev)
{
struct sti_private *private = ddev->dev_private;
if (!ddev->mode_config.num_connector)
return;
if (private->fbdev) {
drm_fbdev_cma_hotplug_event(private->fbdev);
return;
}
private->fbdev = drm_fbdev_cma_init(ddev, 32,
ddev->mode_config.num_crtc,
ddev->mode_config.num_connector);
if (IS_ERR(private->fbdev))
private->fbdev = NULL;
}
static const struct drm_mode_config_funcs sti_mode_config_funcs = {
.fb_create = drm_fb_cma_create,
.output_poll_changed = sti_output_poll_changed,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = sti_atomic_commit,
};
@ -248,44 +268,6 @@ static void sti_mode_config_init(struct drm_device *dev)
dev->mode_config.funcs = &sti_mode_config_funcs;
}
static int sti_load(struct drm_device *dev, unsigned long flags)
{
struct sti_private *private;
int ret;
private = kzalloc(sizeof(*private), GFP_KERNEL);
if (!private) {
DRM_ERROR("Failed to allocate private\n");
return -ENOMEM;
}
dev->dev_private = (void *)private;
private->drm_dev = dev;
mutex_init(&private->commit.lock);
INIT_WORK(&private->commit.work, sti_atomic_work);
drm_mode_config_init(dev);
drm_kms_helper_poll_init(dev);
sti_mode_config_init(dev);
ret = component_bind_all(dev->dev, dev);
if (ret) {
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
kfree(private);
return ret;
}
drm_mode_config_reset(dev);
drm_fbdev_cma_init(dev, 32,
dev->mode_config.num_crtc,
dev->mode_config.num_connector);
return 0;
}
static const struct file_operations sti_driver_fops = {
.owner = THIS_MODULE,
.open = drm_open,
@ -302,7 +284,6 @@ static const struct file_operations sti_driver_fops = {
static struct drm_driver sti_driver = {
.driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET |
DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC,
.load = sti_load,
.gem_free_object_unlocked = drm_gem_cma_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
.dumb_create = drm_gem_cma_dumb_create,
@ -339,14 +320,88 @@ static int compare_of(struct device *dev, void *data)
return dev->of_node == data;
}
static int sti_init(struct drm_device *ddev)
{
struct sti_private *private;
private = kzalloc(sizeof(*private), GFP_KERNEL);
if (!private)
return -ENOMEM;
ddev->dev_private = (void *)private;
dev_set_drvdata(ddev->dev, ddev);
private->drm_dev = ddev;
mutex_init(&private->commit.lock);
INIT_WORK(&private->commit.work, sti_atomic_work);
drm_mode_config_init(ddev);
sti_mode_config_init(ddev);
drm_kms_helper_poll_init(ddev);
return 0;
}
static void sti_cleanup(struct drm_device *ddev)
{
struct sti_private *private = ddev->dev_private;
if (private->fbdev) {
drm_fbdev_cma_fini(private->fbdev);
private->fbdev = NULL;
}
drm_kms_helper_poll_fini(ddev);
drm_vblank_cleanup(ddev);
kfree(private);
ddev->dev_private = NULL;
}
static int sti_bind(struct device *dev)
{
return drm_platform_init(&sti_driver, to_platform_device(dev));
struct drm_device *ddev;
int ret;
ddev = drm_dev_alloc(&sti_driver, dev);
if (!ddev)
return -ENOMEM;
ddev->platformdev = to_platform_device(dev);
ret = sti_init(ddev);
if (ret)
goto err_drm_dev_unref;
ret = component_bind_all(ddev->dev, ddev);
if (ret)
goto err_cleanup;
ret = drm_dev_register(ddev, 0);
if (ret)
goto err_register;
drm_mode_config_reset(ddev);
return 0;
err_register:
drm_mode_config_cleanup(ddev);
err_cleanup:
sti_cleanup(ddev);
err_drm_dev_unref:
drm_dev_unref(ddev);
return ret;
}
static void sti_unbind(struct device *dev)
{
drm_put_dev(dev_get_drvdata(dev));
struct drm_device *ddev = dev_get_drvdata(dev);
drm_dev_unregister(ddev);
sti_cleanup(ddev);
drm_dev_unref(ddev);
}
static const struct component_master_ops sti_ops = {

1
drivers/gpu/drm/sti/sti_drv.h
View File

@ -24,6 +24,7 @@ struct sti_private {
struct sti_compositor *compo;
struct drm_property *plane_zorder_property;
struct drm_device *drm_dev;
struct drm_fbdev_cma *fbdev;
struct {
struct drm_atomic_state *state;

7
drivers/gpu/drm/sti/sti_dvo.c
View File

@ -497,10 +497,6 @@ static int sti_dvo_bind(struct device *dev, struct device *master, void *data)
drm_connector_helper_add(drm_connector,
&sti_dvo_connector_helper_funcs);
err = drm_connector_register(drm_connector);
if (err)
goto err_connector;
err = drm_mode_connector_attach_encoder(drm_connector, encoder);
if (err) {
DRM_ERROR("Failed to attach a connector to a encoder\n");
@ -510,10 +506,7 @@ static int sti_dvo_bind(struct device *dev, struct device *master, void *data)
return 0;
err_sysfs:
drm_connector_unregister(drm_connector);
err_connector:
drm_bridge_remove(bridge);
drm_connector_cleanup(drm_connector);
return -EINVAL;
}

8
drivers/gpu/drm/sti/sti_hda.c
View File

@ -761,10 +761,6 @@ static int sti_hda_bind(struct device *dev, struct device *master, void *data)
drm_connector_helper_add(drm_connector,
&sti_hda_connector_helper_funcs);
err = drm_connector_register(drm_connector);
if (err)
goto err_connector;
err = drm_mode_connector_attach_encoder(drm_connector, encoder);
if (err) {
DRM_ERROR("Failed to attach a connector to a encoder\n");
@ -777,9 +773,7 @@ static int sti_hda_bind(struct device *dev, struct device *master, void *data)
return 0;
err_sysfs:
drm_connector_unregister(drm_connector);
err_connector:
drm_connector_cleanup(drm_connector);
drm_bridge_remove(bridge);
return -EINVAL;
}

21
drivers/gpu/drm/sti/sti_hdmi.c
View File

@ -915,16 +915,6 @@ sti_hdmi_connector_detect(struct drm_connector *connector, bool force)
return connector_status_disconnected;
}
static void sti_hdmi_connector_destroy(struct drm_connector *connector)
{
struct sti_hdmi_connector *hdmi_connector
= to_sti_hdmi_connector(connector);
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
kfree(hdmi_connector);
}
static void sti_hdmi_connector_init_property(struct drm_device *drm_dev,
struct drm_connector *connector)
{
@ -1024,7 +1014,7 @@ static int sti_hdmi_late_register(struct drm_connector *connector)
static const struct drm_connector_funcs sti_hdmi_connector_funcs = {
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = sti_hdmi_connector_detect,
.destroy = sti_hdmi_connector_destroy,
.destroy = drm_connector_cleanup,
.reset = drm_atomic_helper_connector_reset,
.set_property = drm_atomic_helper_connector_set_property,
.atomic_set_property = sti_hdmi_connector_set_property,
@ -1092,10 +1082,6 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
/* initialise property */
sti_hdmi_connector_init_property(drm_dev, drm_connector);
err = drm_connector_register(drm_connector);
if (err)
goto err_connector;
err = drm_mode_connector_attach_encoder(drm_connector, encoder);
if (err) {
DRM_ERROR("Failed to attach a connector to a encoder\n");
@ -1108,10 +1094,7 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
return 0;
err_sysfs:
drm_connector_unregister(drm_connector);
err_connector:
drm_connector_cleanup(drm_connector);
drm_bridge_remove(bridge);
return -EINVAL;
}