This is a note to let you know that I've just added the patch titled
drm/mediatek: Fix aal size config
to the 5.11-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-fix-aal-size-config.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit d31e82c4f1147bd756fe4e509d101d720a47d4a8
Author: Sasha Levin <sashal@xxxxxxxxxx>
Date: Mon Feb 22 18:14:07 2021 -0500
drm/mediatek: Fix aal size config
[ Upstream commit 71dcadba34203d8dd35152e368720f977e9cdb81 ]
The orginal setting is not correct, fix it to follow hardware data sheet.
If keep this error setting, mt8173/mt8183 display ok
but mt8192 display abnormal.
Fixes: 0664d1392c26 ("drm/mediatek: Add AAL engine basic function")
Signed-off-by: Yongqiang Niu <yongqiang.niu@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_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 3064eac1a7507..7fcb717f256c9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -180,7 +180,9 @@ static void mtk_aal_config(struct mtk_ddp_comp *comp, unsigned int w,
unsigned int h, unsigned int vrefresh,
unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
{
- mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_AAL_SIZE);
+ struct mtk_ddp_comp_dev *priv = dev_get_drvdata(comp->dev);
+
+ mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_AAL_SIZE);
}
static void mtk_aal_start(struct mtk_ddp_comp *comp)
