This is a note to let you know that I've just added the patch titled drm/mediatek: Fix aal size config to the 5.10-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-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 5f514173fc833fbff802adbc7ba6b7398078e6ac Author: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> Date: Mon Jan 11 15:43:47 2021 +0800 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 3064eac1a750..fe58edcf57b5 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -180,7 +180,7 @@ 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); + mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_AAL_SIZE); } static void mtk_aal_start(struct mtk_ddp_comp *comp)