@@ -18,14 +18,21 @@
#include <drm/drm_bridge.h>
#include <drm/drm_edid.h>
#include <drm/drm_encoder.h>
+#include <drm/drm_managed.h>
#include <drm/drm_of.h>
#include <drm/drm_simple_kms_helper.h>
#include "imx-drm.h"
+struct imx_hdmi;
+
+struct imx_hdmi_encoder {
+ struct drm_encoder encoder;
+ struct imx_hdmi *hdmi;
+};
+
struct imx_hdmi {
struct device *dev;
- struct drm_encoder encoder;
struct drm_bridge *bridge;
struct dw_hdmi *hdmi;
struct regmap *regmap;
@@ -33,7 +40,7 @@ struct imx_hdmi {
static inline struct imx_hdmi *enc_to_imx_hdmi(struct drm_encoder *e)
{
- return container_of(e, struct imx_hdmi, encoder);
+ return container_of(e, struct imx_hdmi_encoder, encoder)->hdmi;
}
static const struct dw_hdmi_mpll_config imx_mpll_cfg[] = {
@@ -181,18 +188,27 @@ static const struct of_device_id dw_hdmi_imx_dt_ids[] = {
};
MODULE_DEVICE_TABLE(of, dw_hdmi_imx_dt_ids);
+static void dw_hdmi_imx_encoder_cleanup(struct drm_device *drm, void *data)
+{
+ struct drm_encoder *encoder = data;
+
+ drm_encoder_cleanup(encoder);
+}
+
static int dw_hdmi_imx_bind(struct device *dev, struct device *master,
void *data)
{
struct drm_device *drm = data;
+ struct imx_hdmi_encoder *hdmi_encoder;
struct drm_encoder *encoder;
- struct imx_hdmi *hdmi;
int ret;
- hdmi = dev_get_drvdata(dev);
- memset(&hdmi->encoder, 0, sizeof(hdmi->encoder));
+ hdmi_encoder = drmm_kzalloc(drm, sizeof(*hdmi_encoder), GFP_KERNEL);
+ if (!hdmi_encoder)
+ return -ENOMEM;
- encoder = &hdmi->encoder;
+ hdmi_encoder->hdmi = dev_get_drvdata(dev);
+ encoder = &hdmi_encoder->encoder;
ret = imx_drm_encoder_parse_of(drm, encoder, dev->of_node);
if (ret)
@@ -201,7 +217,11 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master,
drm_encoder_helper_add(encoder, &dw_hdmi_imx_encoder_helper_funcs);
drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
- return drm_bridge_attach(encoder, hdmi->bridge, NULL, 0);
+ ret = drmm_add_action_or_reset(drm, dw_hdmi_imx_encoder_cleanup, encoder);
+ if (ret)
+ return ret;
+
+ return drm_bridge_attach(encoder, hdmi_encoder->hdmi->bridge, NULL, 0);
}
static const struct component_ops dw_hdmi_imx_ops = {