This is a note to let you know that I've just added the patch titled
drm/mediatek: Return error if MDP RDMA failed to enable the clock
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-mediatek-return-error-if-mdp-rdma-failed-to-enab.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 21b2220381ea1e5e5fc9d1d27b66985233f6be7f
Author: Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxx>
Date: Thu Dec 14 13:58:44 2023 +0800
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: f8946e2b6bb2 ("drm/mediatek: Add display MDP RDMA support for MT8195")
Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Signed-off-by: Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxx>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20231214055847.4936-21-shawn.sung@xxxxxxxxxxxx/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
index eecfa98ff52e..b288bb6eeecc 100644
--- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
@@ -223,8 +223,7 @@ 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)
