From: CK Hu <ck.hu@mediatek.com>
To: Jitao Shi <jitao.shi@mediatek.com>
Cc: Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
"Mark Rutland" <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>, <linux-pwm@vger.kernel.org>,
David Airlie <airlied@linux.ie>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
Thierry Reding <treding@nvidia.com>,
"Ajay Kumar" <ajaykumar.rs@samsung.com>,
Inki Dae <inki.dae@samsung.com>,
"Rahul Sharma" <rahul.sharma@samsung.com>,
Sean Paul <seanpaul@chromium.org>,
Vincent Palatin <vpalatin@chromium.org>,
Andy Yan <andy.yan@rock-chips.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
"Russell King" <rmk+kernel@arm.linux.org.uk>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<dri-devel@lists.freedesktop.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<srv_heupstream@mediatek.com>,
Sascha Hauer <kernel@pengutronix.de>, <yingjoe.chen@mediatek.com>,
<eddie.huang@mediatek.com>, <cawa.cheng@mediatek.com>,
<bibby.hsieh@mediatek.com>, <stonea168@163.com>
Subject: Re: [v3 3/3] drm/mediatek: add mt8183 dpi support
Date: Tue, 7 May 2019 15:41:27 +0800 [thread overview]
Message-ID: <1557214887.3498.7.camel@mtksdaap41> (raw)
In-Reply-To: <20190416055242.75764-4-jitao.shi@mediatek.com>
Hi, Jitao:
On Tue, 2019-04-16 at 13:52 +0800, Jitao Shi wrote:
I need the commit message. Even though the code is easy to understand,
words for this patch is still necessary.
Regards,
CK
> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_dpi.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index 66405159141a..fbb087218775 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -681,6 +681,16 @@ static unsigned int mt2701_calculate_factor(int clock)
> return 2;
> }
>
> +static unsigned int mt8183_calculate_factor(int clock)
> +{
> + if (clock <= 27000)
> + return 8;
> + else if (clock <= 167000)
> + return 4;
> + else
> + return 2;
> +}
> +
> static const struct mtk_dpi_conf mt8173_conf = {
> .cal_factor = mt8173_calculate_factor,
> .reg_h_fre_con = 0xe0,
> @@ -692,6 +702,12 @@ static const struct mtk_dpi_conf mt2701_conf = {
> .edge_sel_en = true,
> };
>
> +static const struct mtk_dpi_conf mt8183_conf = {
> + .cal_factor = mt8183_calculate_factor,
> + .reg_h_fre_con = 0xe0,
> + .dual_edge = true,
> +};
> +
> static int mtk_dpi_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> @@ -787,6 +803,9 @@ static const struct of_device_id mtk_dpi_of_ids[] = {
> { .compatible = "mediatek,mt8173-dpi",
> .data = &mt8173_conf,
> },
> + { .compatible = "mediatek,mt8183-dpi",
> + .data = &mt8183_conf,
> + },
> { },
> };
>
prev parent reply other threads:[~2019-05-07 7:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-16 5:52 [v3 0/3] support dpi for mt8183 Jitao Shi
2019-04-16 5:52 ` [v3 1/3] dt-bindings: display: mediatek: update dpi supported chips Jitao Shi
2019-04-26 22:49 ` Rob Herring
2019-04-16 5:52 ` [v3 2/3] drm/mediatek: dpi dual edge support Jitao Shi
2019-05-07 7:35 ` CK Hu
2019-04-16 5:52 ` [v3 3/3] drm/mediatek: add mt8183 dpi support Jitao Shi
2019-05-07 7:41 ` CK Hu [this message]
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