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Message-ID: <20231019055619.19358-22-shawn.sung@mediatek.com>
Date: Thu, 19 Oct 2023 13:56:16 +0800
From: Hsiao Chien Sung <shawn.sung@...iatek.com>
To: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
CK Hu <ck.hu@...iatek.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh+dt@...nel.org>
CC: Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, Fei Shao <fshao@...omium.org>,
Sean Paul <sean@...rly.run>,
Johnson Wang <johnson.wang@...iatek.corp-partner.google.com>,
"Nancy . Lin" <nancy.lin@...iatek.com>,
Moudy Ho <moudy.ho@...iatek.com>,
Hsiao Chien Sung <shawn.sung@...iatek.com>,
"Jason-JH . Lin" <jason-jh.lin@...iatek.com>,
Nathan Lu <nathan.lu@...iatek.com>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<dri-devel@...ts.freedesktop.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v10 21/24] drm/mediatek: Return error if MDP RDMA failed to enable the clock
Return the result of clk_prepare_enable() instead of
always returns 0.
Fixes: f8946e2b6bb2 ("drm/mediatek: Add display MDP RDMA support for MT8195")
Reviewed-by: CK Hu <ck.hu@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Signed-off-by: Hsiao Chien Sung <shawn.sung@...iatek.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 769ae7564da2..8feeb6dce217 100644
--- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
@@ -263,8 +263,7 @@ 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
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