Hi, Bo-Chen:
Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx> 於 2022年9月16日 週五 晚上9:38寫道：
>
> Warning:
> ../drivers/gpu/drm/mediatek/mtk_dp.c: In function ‘mtk_dp_video_mute’:
> ../drivers/gpu/drm/mediatek/mtk_dp.c:947:23: warning: format ‘%x’
> expects argument of type ‘unsigned int’, but argument 4 has type ‘long
> unsigned int’ [-Wformat=]
> 947 | dev_dbg(mtk_dp->dev, "smc cmd: 0x%x, p1: 0x%x, ret: 0x%lx-0x%lx\n",
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ../include/linux/dev_printk.h:129:27: note: in definition of macro ‘dev_printk’
> 129 | _dev_printk(level, dev, fmt, ##__VA_ARGS__); \
> | ^~~
> ../include/linux/dev_printk.h:163:31: note: in expansion of macro ‘dev_fmt’
> 163 | dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
> | ^~~~~~~
> ../drivers/gpu/drm/mediatek/mtk_dp.c:947:2: note: in expansion of
> macro ‘dev_dbg’
> 947 | dev_dbg(mtk_dp->dev, "smc cmd: 0x%x, p1: 0x%x, ret: 0x%lx-0x%lx\n",
> | ^~~~~~~
> ../drivers/gpu/drm/mediatek/mtk_dp.c:947:36: note: format string is defined here
> 947 | dev_dbg(mtk_dp->dev, "smc cmd: 0x%x, p1: 0x%x, ret: 0x%lx-0x%lx\n",
> | ~^
> | |
> | unsigned int
> | %lx
>
> To fix this issue, we use %s to replace 0x%x.
Acked-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
>
> Fixes: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver")
> Reported-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
> Signed-off-by: Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx>
> Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_dp.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c
> index c72c646e25e9..d58e98b2f83a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dp.c
> @@ -1222,8 +1222,8 @@ static void mtk_dp_video_mute(struct mtk_dp *mtk_dp, bool enable)
> mtk_dp->data->smc_cmd, enable,
> 0, 0, 0, 0, 0, &res);
>
> - dev_dbg(mtk_dp->dev, "smc cmd: 0x%x, p1: 0x%x, ret: 0x%lx-0x%lx\n",
> - mtk_dp->data->smc_cmd, enable, res.a0, res.a1);
> + dev_dbg(mtk_dp->dev, "smc cmd: 0x%x, p1: %s, ret: 0x%lx-0x%lx\n",
> + mtk_dp->data->smc_cmd, enable ? "enable" : "disable", res.a0, res.a1);
> }
>
> static void mtk_dp_audio_mute(struct mtk_dp *mtk_dp, bool mute)
> --
> 2.18.0
>
