Commit 7566e247 authored by Stefan Agner's avatar Stefan Agner

drm/fsl-dcu: handle initialization errors properly

If initialization fails (e.g. due to missing panel node or deferred
probe) make sure to roll-back all operations and return the error
code.
Signed-off-by: default avatarStefan Agner <stefan@agner.ch>
parent 72cc05a5
...@@ -25,6 +25,8 @@ static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = { ...@@ -25,6 +25,8 @@ static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev) int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
{ {
int ret;
drm_mode_config_init(fsl_dev->drm); drm_mode_config_init(fsl_dev->drm);
fsl_dev->drm->mode_config.min_width = 0; fsl_dev->drm->mode_config.min_width = 0;
...@@ -33,11 +35,25 @@ int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev) ...@@ -33,11 +35,25 @@ int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
fsl_dev->drm->mode_config.max_height = 2047; fsl_dev->drm->mode_config.max_height = 2047;
fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs; fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
drm_kms_helper_poll_init(fsl_dev->drm); ret = fsl_dcu_drm_crtc_create(fsl_dev);
fsl_dcu_drm_crtc_create(fsl_dev); if (ret)
fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc); return ret;
fsl_dcu_drm_connector_create(fsl_dev, &fsl_dev->encoder);
ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
if (ret)
goto fail_encoder;
ret = fsl_dcu_drm_connector_create(fsl_dev, &fsl_dev->encoder);
if (ret)
goto fail_connector;
drm_mode_config_reset(fsl_dev->drm); drm_mode_config_reset(fsl_dev->drm);
drm_kms_helper_poll_init(fsl_dev->drm);
return 0; return 0;
fail_encoder:
fsl_dev->crtc.funcs->destroy(&fsl_dev->crtc);
fail_connector:
fsl_dev->encoder.funcs->destroy(&fsl_dev->encoder);
return ret;
} }
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment