From: Xu YiPing xuyiping@hisilicon.com
As part of refactoring the kirin driver to better support different hardware revisions, this patch changes the driver_data value to not be a global variable. Instead the driver_data value is accessed via the of_device_get_match_data() when needed.
Cc: Rongrong Zou zourongrong@gmail.com Cc: David Airlie airlied@linux.ie Cc: Daniel Vetter daniel@ffwll.ch Cc: dri-devel dri-devel@lists.freedesktop.org Cc: Sam Ravnborg sam@ravnborg.org Reviewed-by: Sam Ravnborg sam@ravnborg.org Signed-off-by: Xu YiPing xuyiping@hisilicon.com [jstultz: Reworded commit message] Signed-off-by: John Stultz john.stultz@linaro.org --- .../gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 43 +++++++++++-------- 1 file changed, 24 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c index f1853b84ab58..cc79bd4ecec2 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c @@ -28,18 +28,9 @@
#include "kirin_drm_drv.h"
-static struct kirin_drm_data *driver_data;
-static int kirin_drm_kms_cleanup(struct drm_device *dev) -{ - drm_kms_helper_poll_fini(dev); - driver_data->cleanup(to_platform_device(dev->dev)); - drm_mode_config_cleanup(dev); - - return 0; -} - -static int kirin_drm_kms_init(struct drm_device *dev) +static int kirin_drm_kms_init(struct drm_device *dev, + const struct kirin_drm_data *driver_data) { int ret;
@@ -95,6 +86,21 @@ static int compare_of(struct device *dev, void *data) return dev->of_node == data; }
+static int kirin_drm_kms_cleanup(struct drm_device *dev) +{ + const struct kirin_drm_data *driver_data; + + drm_kms_helper_poll_fini(dev); + + driver_data = of_device_get_match_data(dev->dev); + if (driver_data->cleanup) + driver_data->cleanup(to_platform_device(dev->dev)); + + drm_mode_config_cleanup(dev); + + return 0; +} + static int kirin_drm_connectors_register(struct drm_device *dev) { struct drm_connector *connector; @@ -131,15 +137,21 @@ static int kirin_drm_connectors_register(struct drm_device *dev)
static int kirin_drm_bind(struct device *dev) { + struct kirin_drm_data *driver_data; struct drm_device *drm_dev; int ret;
+ driver_data = (struct kirin_drm_data *)of_device_get_match_data(dev); + if (driver_data == NULL) + return -EINVAL; + drm_dev = drm_dev_alloc(driver_data->driver, dev); if (IS_ERR(drm_dev)) return PTR_ERR(drm_dev); dev_set_drvdata(dev, drm_dev);
- ret = kirin_drm_kms_init(drm_dev); + /* display controller init */ + ret = kirin_drm_kms_init(drm_dev, driver_data); if (ret) goto err_drm_dev_put;
@@ -189,12 +201,6 @@ static int kirin_drm_platform_probe(struct platform_device *pdev) struct component_match *match = NULL; struct device_node *remote;
- driver_data = (struct kirin_drm_data *)of_device_get_match_data(dev); - if (!driver_data) { - DRM_ERROR("failed to get dt id data\n"); - return -EINVAL; - } - remote = of_graph_get_remote_node(np, 0, 0); if (!remote) return -ENODEV; @@ -208,7 +214,6 @@ static int kirin_drm_platform_probe(struct platform_device *pdev) static int kirin_drm_platform_remove(struct platform_device *pdev) { component_master_del(&pdev->dev, &kirin_drm_ops); - driver_data = NULL; return 0; }