@@ -443,23 +443,6 @@ int dpu_encoder_get_linecount(struct drm_encoder *drm_enc)
return linecount;
}
-static void dpu_encoder_destroy(struct drm_encoder *drm_enc)
-{
- struct dpu_encoder_virt *dpu_enc = NULL;
- int i = 0;
-
- if (!drm_enc) {
- DPU_ERROR("invalid encoder\n");
- return;
- }
-
- dpu_enc = to_dpu_encoder_virt(drm_enc);
- DPU_DEBUG_ENC(dpu_enc, "\n");
-
- drm_encoder_cleanup(drm_enc);
- mutex_destroy(&dpu_enc->enc_lock);
-}
-
void dpu_encoder_helper_split_config(
struct dpu_encoder_phys *phys_enc,
enum dpu_intf interface)
@@ -2365,7 +2348,6 @@ static const struct drm_encoder_helper_funcs dpu_encoder_helper_funcs = {
};
static const struct drm_encoder_funcs dpu_encoder_funcs = {
- .destroy = dpu_encoder_destroy,
.late_register = dpu_encoder_late_register,
.early_unregister = dpu_encoder_early_unregister,
};
@@ -2376,21 +2358,14 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
{
struct msm_drm_private *priv = dev->dev_private;
struct dpu_kms *dpu_kms = to_dpu_kms(priv->kms);
- struct drm_encoder *drm_enc = NULL;
- struct dpu_encoder_virt *dpu_enc = NULL;
+ struct dpu_encoder_virt *dpu_enc;
int ret = 0;
- dpu_enc = devm_kzalloc(dev->dev, sizeof(*dpu_enc), GFP_KERNEL);
+ dpu_enc = drmm_encoder_alloc(dev, struct dpu_encoder_virt, base,
+ &dpu_encoder_funcs, drm_enc_mode, NULL);
if (!dpu_enc)
return ERR_PTR(-ENOMEM);
- ret = drm_encoder_init(dev, &dpu_enc->base, &dpu_encoder_funcs,
- drm_enc_mode, NULL);
- if (ret) {
- devm_kfree(dev->dev, dpu_enc);
- return ERR_PTR(ret);
- }
-
drm_encoder_helper_add(&dpu_enc->base, &dpu_encoder_helper_funcs);
spin_lock_init(&dpu_enc->enc_spinlock);
@@ -2399,8 +2374,10 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
mutex_init(&dpu_enc->rc_lock);
ret = dpu_encoder_setup_display(dpu_enc, dpu_kms, disp_info);
- if (ret)
- goto fail;
+ if (ret) {
+ DPU_ERROR("failed to setup encoder\n");
+ return ERR_PTR(-ENOMEM);
+ }
atomic_set(&dpu_enc->frame_done_timeout_ms, 0);
timer_setup(&dpu_enc->frame_done_timer,
@@ -2426,13 +2403,6 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
DPU_DEBUG_ENC(dpu_enc, "created\n");
return &dpu_enc->base;
-
-fail:
- DPU_ERROR("failed to create encoder\n");
- if (drm_enc)
- dpu_encoder_destroy(drm_enc);
-
- return ERR_PTR(ret);
}
int dpu_encoder_wait_for_event(struct drm_encoder *drm_enc,
It is incorrect to use devm-managed memory allocations for DRM data structures exposed to userspace. They should use drmm_ allocations. Change struct dpu_encoder allocation to use drmm_encoder_alloc(). This removes the need to perform any actions on encoder destruction. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 44 ++++----------------- 1 file changed, 7 insertions(+), 37 deletions(-)