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drm/mediatek: Return error if MDP RDMA failed to enable the clock 

[ Upstream commit 21b287146adf39304193e4c49198021e06a28ded ]

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

Fixes: f8946e2b6b ("drm/mediatek: Add display MDP RDMA support for MT8195")

Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20231214055847.4936-21-shawn.sung@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hsiao Chien Sung 2023-12-14 13:58:44 +08:00 committed by Greg Kroah-Hartman
parent 173b247231
commit 3aa7196bcd
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
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@ -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)