From: Matthias Brugger <matthias.bgg@gmail.com>
To: Chunfeng Yun <chunfeng.yun@mediatek.com>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
David Airlie <airlied@linux.ie>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Kishon Vijay Abraham I <kishon@ti.com>,
linux-mediatek@lists.infradead.org,
Daniel Vetter <daniel@ffwll.ch>, CK Hu <ck.hu@mediatek.com>
Subject: Re: [PATCH v3 1/4] drm/mediatek: Move tz_disabled from mtk_hdmi_phy to mtk_hdmi driver
Date: Wed, 1 Apr 2020 17:53:26 +0200 [thread overview]
Message-ID: <ceae861b-b5ee-1d33-67dd-0a2ff4af2816@gmail.com> (raw)
In-Reply-To: <1585707361.28859.19.camel@mhfsdcap03>
On 01/04/2020 04:16, Chunfeng Yun wrote:
> On Tue, 2020-03-31 at 23:57 +0800, Chun-Kuang Hu wrote:
>> From: CK Hu <ck.hu@mediatek.com>
>>
>> tz_disabled is used to control mtk_hdmi output signal, but this variable
>> is stored in mtk_hdmi_phy and mtk_hdmi_phy does not use it. So move
>> tz_disabled to mtk_hdmi where it's used.
>>
>> Signed-off-by: CK Hu <ck.hu@mediatek.com>
>> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
>> ---
>> drivers/gpu/drm/mediatek/mtk_hdmi.c | 22 ++++++++++++++++---
>> drivers/gpu/drm/mediatek/mtk_hdmi_phy.h | 1 -
>> .../gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c | 1 -
>> 3 files changed, 19 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
>> index 5e4a4dbda443..878433c09c9b 100644
>> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
>> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
>> @@ -144,11 +144,16 @@ struct hdmi_audio_param {
>> struct hdmi_codec_params codec_params;
>> };
>>
>> +struct mtk_hdmi_conf {
>> + bool tz_disabled;
>> +};
>> +
>> struct mtk_hdmi {
>> struct drm_bridge bridge;
>> struct drm_bridge *next_bridge;
>> struct drm_connector conn;
>> struct device *dev;
>> + const struct mtk_hdmi_conf *conf;
>> struct phy *phy;
>> struct device *cec_dev;
>> struct i2c_adapter *ddc_adpt;
>> @@ -230,7 +235,6 @@ static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black)
>> static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
>> {
>> struct arm_smccc_res res;
>> - struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(hdmi->phy);
>>
>> /*
>> * MT8173 HDMI hardware has an output control bit to enable/disable HDMI
>> @@ -238,7 +242,7 @@ static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
>> * The ARM trusted firmware provides an API for the HDMI driver to set
>> * this control bit to enable HDMI output in supervisor mode.
>> */
>> - if (hdmi_phy->conf && hdmi_phy->conf->tz_disabled)
>> + if (hdmi->conf->tz_disabled)
Wouldn't we need to check:
if (hdmi->conf && hdmi->conf->tz_disabled)
>> regmap_update_bits(hdmi->sys_regmap,
>> hdmi->sys_offset + HDMI_SYS_CFG20,
>> 0x80008005, enable ? 0x80000005 : 0x8000);
>> @@ -1688,6 +1692,7 @@ static int mtk_drm_hdmi_probe(struct platform_device *pdev)
>> return -ENOMEM;
>>
>> hdmi->dev = dev;
>> + hdmi->conf = of_device_get_match_data(dev);
>>
>> ret = mtk_hdmi_dt_parse_pdata(hdmi, pdev);
>> if (ret)
>> @@ -1765,8 +1770,19 @@ static int mtk_hdmi_resume(struct device *dev)
>> static SIMPLE_DEV_PM_OPS(mtk_hdmi_pm_ops,
>> mtk_hdmi_suspend, mtk_hdmi_resume);
>>
>> +static const struct mtk_hdmi_conf mtk_hdmi_conf_mt2701 = {
>> + .tz_disabled = true,
>> +};
>> +
>> +static const struct mtk_hdmi_conf mtk_hdmi_conf_mt8173;
>> +
>> static const struct of_device_id mtk_drm_hdmi_of_ids[] = {
>> - { .compatible = "mediatek,mt8173-hdmi", },
>> + { .compatible = "mediatek,mt2701-hdmi",
>> + .data = &mtk_hdmi_conf_mt2701,
>> + },
>> + { .compatible = "mediatek,mt8173-hdmi",
>> + .data = &mtk_hdmi_conf_mt8173,
We don't have any data? Then we should set data to NULL instead.
Regards,
Matthias
>> + },
>> {}
>> };
>>
>> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
>> index 2d8b3182470d..fc1c2efd1128 100644
>> --- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
>> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
>> @@ -20,7 +20,6 @@
>> struct mtk_hdmi_phy;
>>
>> struct mtk_hdmi_phy_conf {
>> - bool tz_disabled;
>> unsigned long flags;
>> const struct clk_ops *hdmi_phy_clk_ops;
>> void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
>> diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
>> index d3cc4022e988..99fe05cd3598 100644
>> --- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
>> +++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
>> @@ -237,7 +237,6 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
>> }
>>
>> struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf = {
>> - .tz_disabled = true,
>> .flags = CLK_SET_RATE_GATE,
>> .hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
>> .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
>
> Reviewed-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
>
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2020-04-01 15:53 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-31 15:57 [PATCH v3 0/4] Move Mediatek HDMI PHY driver from DRM folder to PHY folder Chun-Kuang Hu
2020-03-31 15:57 ` [PATCH v3 1/4] drm/mediatek: Move tz_disabled from mtk_hdmi_phy to mtk_hdmi driver Chun-Kuang Hu
2020-04-01 2:16 ` Chunfeng Yun
2020-04-01 15:53 ` Matthias Brugger [this message]
2020-04-02 12:49 ` Chun-Kuang Hu
2020-04-03 2:59 ` Chunfeng Yun
2020-04-03 15:22 ` Chun-Kuang Hu
2020-03-31 15:57 ` [PATCH v3 2/4] drm/mediatek: Separate mtk_hdmi_phy to an independent module Chun-Kuang Hu
2020-04-01 2:20 ` Chunfeng Yun
2020-03-31 15:57 ` [PATCH v3 3/4] phy: mediatek: Move mtk_hdmi_phy driver into drivers/phy/mediatek folder Chun-Kuang Hu
2020-04-01 2:18 ` Chunfeng Yun
2020-04-01 16:04 ` Matthias Brugger
2020-03-31 15:57 ` [PATCH v3 4/4] MAINTAINERS: add files for Mediatek DRM drivers Chun-Kuang Hu
2020-04-01 16:05 ` Matthias Brugger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ceae861b-b5ee-1d33-67dd-0a2ff4af2816@gmail.com \
--to=matthias.bgg@gmail.com \
--cc=airlied@linux.ie \
--cc=chunfeng.yun@mediatek.com \
--cc=chunkuang.hu@kernel.org \
--cc=ck.hu@mediatek.com \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=kishon@ti.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=p.zabel@pengutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).