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Message-ID: <CAFp+6iGAdWNo0xT_061LtsuhD_C756pvu7g98sXnM4+Gy1LFXQ@mail.gmail.com>
Date: Wed, 8 Oct 2014 08:30:39 +0530
From: Vivek Gautam <gautam.vivek@...sung.com>
To: inki.dae@...sung.com, dri-devel@...ts.freedesktop.org,
"linux-samsung-soc@...r.kernel.org"
<linux-samsung-soc@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc: Sean Paul <seanpaul@...gle.com>, kishon <kishon@...com>,
ajaykumar.rs@...sung.com, Vivek Gautam <gautam.vivek@...sung.com>,
Jingoo Han <jg1.han@...sung.com>,
Kukjin Kim <kgene.kim@...sung.com>
Subject: Re: [PATCH 2/3] drm/exynos: dp: Remove support for unused dptx-phy
Hi,
CC'ing Kukjin,
my bad, missed him while sending the patch. :-(
On Wed, Oct 8, 2014 at 8:27 AM, Vivek Gautam <gautam.vivek@...sung.com> wrote:
> Hi,
>
>
> On Mon, Sep 15, 2014 at 6:43 PM, Vivek Gautam <gautam.vivek@...sung.com> wrote:
>> Now that we have moved to generic phy based bindings,
>> we don't need to have any code related to older dptx-phy.
>> Nobody is using this dptx-phy anymore, so removing the
>> same.
>>
>> Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
>> Cc: Jingoo Han <jg1.han@...sung.com>
>> ---
>
> Is someone taking care of this patch ? We already have got the corresponsding
> dp-phy patch merged, so we should also get this patch in.
>
>> drivers/gpu/drm/exynos/exynos_dp_core.c | 58 +++++++------------------------
>> drivers/gpu/drm/exynos/exynos_dp_core.h | 2 --
>> 2 files changed, 13 insertions(+), 47 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
>> index 4f3c7eb..5ffc1b2 100644
>> --- a/drivers/gpu/drm/exynos/exynos_dp_core.c
>> +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
>> @@ -1050,28 +1050,14 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display,
>>
>> static void exynos_dp_phy_init(struct exynos_dp_device *dp)
>> {
>> - if (dp->phy) {
>> + if (dp->phy)
>> phy_power_on(dp->phy);
>> - } else if (dp->phy_addr) {
>> - u32 reg;
>> -
>> - reg = __raw_readl(dp->phy_addr);
>> - reg |= dp->enable_mask;
>> - __raw_writel(reg, dp->phy_addr);
>> - }
>> }
>>
>> static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
>> {
>> - if (dp->phy) {
>> + if (dp->phy)
>> phy_power_off(dp->phy);
>> - } else if (dp->phy_addr) {
>> - u32 reg;
>> -
>> - reg = __raw_readl(dp->phy_addr);
>> - reg &= ~(dp->enable_mask);
>> - __raw_writel(reg, dp->phy_addr);
>> - }
>> }
>>
>> static void exynos_dp_poweron(struct exynos_drm_display *display)
>> @@ -1210,39 +1196,21 @@ static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
>>
>> static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp)
>> {
>> - struct device_node *dp_phy_node = of_node_get(dp->dev->of_node);
>> - u32 phy_base;
>> int ret = 0;
>>
>> - dp_phy_node = of_find_node_by_name(dp_phy_node, "dptx-phy");
>> - if (!dp_phy_node) {
>> - dp->phy = devm_phy_get(dp->dev, "dp");
>> - return PTR_ERR_OR_ZERO(dp->phy);
>> - }
>> -
>> - if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) {
>> - dev_err(dp->dev, "failed to get reg for dptx-phy\n");
>> - ret = -EINVAL;
>> - goto err;
>> - }
>> -
>> - if (of_property_read_u32(dp_phy_node, "samsung,enable-mask",
>> - &dp->enable_mask)) {
>> - dev_err(dp->dev, "failed to get enable-mask for dptx-phy\n");
>> - ret = -EINVAL;
>> - goto err;
>> - }
>> -
>> - dp->phy_addr = ioremap(phy_base, SZ_4);
>> - if (!dp->phy_addr) {
>> - dev_err(dp->dev, "failed to ioremap dp-phy\n");
>> - ret = -ENOMEM;
>> - goto err;
>> + dp->phy = devm_phy_get(dp->dev, "dp");
>> + if (IS_ERR(dp->phy)) {
>> + ret = PTR_ERR(dp->phy);
>> + if (ret == -ENOSYS || ret == -ENODEV) {
>> + dp->phy = NULL;
>> + } else if (ret == -EPROBE_DEFER) {
>> + return ret;
>> + } else {
>> + dev_err(dp->dev, "no DP phy configured\n");
>> + return ret;
>> + }
>> }
>>
>> -err:
>> - of_node_put(dp_phy_node);
>> -
>> return ret;
>> }
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.h b/drivers/gpu/drm/exynos/exynos_dp_core.h
>> index a1aee69..6426201 100644
>> --- a/drivers/gpu/drm/exynos/exynos_dp_core.h
>> +++ b/drivers/gpu/drm/exynos/exynos_dp_core.h
>> @@ -153,8 +153,6 @@ struct exynos_dp_device {
>> struct clk *clock;
>> unsigned int irq;
>> void __iomem *reg_base;
>> - void __iomem *phy_addr;
>> - unsigned int enable_mask;
>>
>> struct video_info *video_info;
>> struct link_train link_train;
>> --
>> 1.7.10.4
>>
>
>
>
> --
> Best Regards
> Vivek Gautam
> Samsung R&D Institute, Bangalore
> India
--
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
--
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