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path: root/drivers/gpu/drm/mediatek/mtk_drm_drv.c
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_drv.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 0829ceb9967c..b037616d3342 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -373,11 +373,12 @@ static bool mtk_drm_get_all_drm_priv(struct device *dev)
struct mtk_drm_private *temp_drm_priv;
struct device_node *phandle = dev->parent->of_node;
const struct of_device_id *of_id;
+ struct device_node *node;
struct device *drm_dev;
unsigned int cnt = 0;
int i, j;
- for_each_child_of_node_scoped(phandle->parent, node) {
+ for_each_child_of_node(phandle->parent, node) {
struct platform_device *pdev;
of_id = of_match_node(mtk_drm_of_ids, node);
@@ -406,8 +407,10 @@ static bool mtk_drm_get_all_drm_priv(struct device *dev)
if (temp_drm_priv->mtk_drm_bound)
cnt++;
- if (cnt == MAX_CRTC)
+ if (cnt == MAX_CRTC) {
+ of_node_put(node);
break;
+ }
}
if (drm_priv->data->mmsys_dev_num == cnt) {
@@ -673,6 +676,8 @@ err_deinit:
err_free:
private->drm = NULL;
drm_dev_put(drm);
+ for (i = 0; i < private->data->mmsys_dev_num; i++)
+ private->all_drm_private[i]->drm = NULL;
return ret;
}
@@ -900,7 +905,7 @@ static int mtk_drm_of_ddp_path_build_one(struct device *dev, enum mtk_crtc_path
const unsigned int **out_path,
unsigned int *out_path_len)
{
- struct device_node *next, *prev, *vdo = dev->parent->of_node;
+ struct device_node *next = NULL, *prev, *vdo = dev->parent->of_node;
unsigned int temp_path[DDP_COMPONENT_DRM_ID_MAX] = { 0 };
unsigned int *final_ddp_path;
unsigned short int idx = 0;
@@ -1089,7 +1094,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
/* No devicetree graphs support: go with hardcoded paths if present */
dev_dbg(dev, "Using hardcoded paths for MMSYS %u\n", mtk_drm_data->mmsys_id);
private->data = mtk_drm_data;
- };
+ }
private->all_drm_private = devm_kmalloc_array(dev, private->data->mmsys_dev_num,
sizeof(*private->all_drm_private),