From mboxrd@z Thu Jan  1 00:00:00 1970
From: jy0922.shim@samsung.com (Joonyoung Shim)
Date: Tue, 24 Jul 2012 08:45:51 +0900
Subject: [PATCH V2 6/7] ARM: EXYNOS5: Add the bus clock for FIMD
In-Reply-To: <000301cd6928$e5021660$af064320$%han@samsung.com>
References: <1342591053-7092-1-git-send-email-l.krishna@samsung.com>
 <1342591053-7092-7-git-send-email-l.krishna@samsung.com>
 <500D0C8B.3080007@samsung.com> <500D1F59.9030807@samsung.com>
 <000301cd6928$e5021660$af064320$%han@samsung.com>
Message-ID: <500DE22F.5010006@samsung.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 07/24/2012 08:14 AM, Jingoo Han wrote:
> On Monday, July 23, 2012 6:55 PM, Joonyoung Shim wrote:
>> Hi, Jingoo.
>>
>> On 07/23/2012 05:34 PM, Joonyoung Shim wrote:
>>> On 07/18/2012 02:57 PM, Leela Krishna Amudala wrote:
>>>> This patch adds the bus clock for FIMD and changes
>>>> the device name for lcd clock
>>> Please refer below patch for exynos4.
>>>
>>> http://lists.linaro.org/pipermail/linaro-dev/2011-December/008872.html
>>>
>>>> Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
>>>> ---
>>>>    arch/arm/mach-exynos/clock-exynos5.c |    7 ++++++-
>>>>    1 files changed, 6 insertions(+), 1 deletions(-)
>>>>
>>>> diff --git a/arch/arm/mach-exynos/clock-exynos5.c
>>>> b/arch/arm/mach-exynos/clock-exynos5.c
>>>> index 774533c..f001876 100644
>>>> --- a/arch/arm/mach-exynos/clock-exynos5.c
>>>> +++ b/arch/arm/mach-exynos/clock-exynos5.c
>>>> @@ -634,6 +634,11 @@ static struct clk exynos5_init_clocks_off[] = {
>>>>            .enable        = exynos5_clk_ip_disp1_ctrl,
>>>>            .ctrlbit    = (1 << 3),
>>>>        }, {
>>>> +        .name           = "fimd",
>>>> +        .devname        = "exynos5-fb",
>>>> +        .enable         = exynos5_clk_ip_disp1_ctrl,
>>>> +        .ctrlbit        = (1 << 0),
>>>> +    }, {
>> With this patch, it causes below error at the DP driver because fimd
>> clock is disabled.
>>
>> [    0.210000] exynos-dp exynos-dp: Timeout of video streamclk ok
>> [    0.210000] exynos-dp exynos-dp: unable to config video
>> [    0.210000] exynos-dp: probe of exynos-dp failed with error -110
>>
>> I wonder fimd clock has any dependency with DP
> FIMD pixel clock is necessary to enable DP.

So then, i think DP driver also should control FIMD pixel clock.
Do you have any patch or plan for it?