[PATCH v7 19/23] drm/mediatek: Return error if MDP RDMA failed to enable the clock

[Hsiao Chien Sung]

Return the result of clk_prepare_enable() instead of
always returns 0.

Fixes: f8946e2b6bb2 ("drm/mediatek: Add display MDP RDMA support for MT8195")

Signed-off-by: Hsiao Chien Sung <shawn.s...@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c 
b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
index c3adaeefd551..c7233d0ac210 100644
--- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
@@ -246,8 +246,7 @@ int mtk_mdp_rdma_clk_enable(struct device *dev)
 {
        struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev);
 
-       clk_prepare_enable(rdma->clk);
-       return 0;
+       return clk_prepare_enable(rdma->clk);
 }
 
 void mtk_mdp_rdma_clk_disable(struct device *dev)
-- 
2.18.0