All checks for _dpu_crtc_power_enable are not true, so the function
can never return an error code. All calls of the function have also
been changed so that they don't expect a return value.
Signed-off-by: Bruce Wang <bzwang@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 35 ++++--------------------
1 file changed, 5 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 017d16131dac..f0b52281c46f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -60,37 +60,16 @@ static inline struct dpu_kms *_dpu_crtc_get_kms(struct drm_crtc *crtc)
return to_dpu_kms(priv->kms);
}
-static inline int _dpu_crtc_power_enable(struct dpu_crtc *dpu_crtc, bool enable)
+static inline void _dpu_crtc_power_enable(struct dpu_crtc *dpu_crtc, bool enable)
{
- struct drm_crtc *crtc;
- struct msm_drm_private *priv;
- struct dpu_kms *dpu_kms;
-
- if (!dpu_crtc) {
- DPU_ERROR("invalid dpu crtc\n");
- return -EINVAL;
- }
-
- crtc = &dpu_crtc->base;
- if (!crtc->dev || !crtc->dev->dev_private) {
- DPU_ERROR("invalid drm device\n");
- return -EINVAL;
- }
-
- priv = crtc->dev->dev_private;
- if (!priv->kms) {
- DPU_ERROR("invalid kms\n");
- return -EINVAL;
- }
-
- dpu_kms = to_dpu_kms(priv->kms);
+ struct drm_crtc *crtc = &dpu_crtc->base;
+ struct msm_drm_private *priv = crtc->dev->dev_private;
+ struct dpu_kms *dpu_kms = to_dpu_kms(priv->kms);
if (enable)
pm_runtime_get_sync(&dpu_kms->pdev->dev);
else
pm_runtime_put_sync(&dpu_kms->pdev->dev);
-
- return 0;
}
static void dpu_crtc_destroy(struct drm_crtc *crtc)
@@ -849,14 +828,10 @@ static int _dpu_crtc_vblank_enable_no_lock(
dev = crtc->dev;
if (enable) {
- int ret;
-
/* drop lock since power crtc cb may try to re-acquire lock */
mutex_unlock(&dpu_crtc->crtc_lock);
- ret = _dpu_crtc_power_enable(dpu_crtc, true);
+ _dpu_crtc_power_enable(dpu_crtc, true);
mutex_lock(&dpu_crtc->crtc_lock);
- if (ret)
- return ret;
list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
if (enc->crtc != crtc)
--
2.19.0.397.gdd90340f6a-goog
