Subject: [PATCH V2 6/7] ARM: EXYNOS5: Add the bus clock for FIMD

From: [email-masked] (Joonyoung Shim)
Date: Tue, 24 Jul 2012 08:45:51 +0900

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 <[email-masked]>
>>>> ---
>>>>    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?