From: jy0922.shim@samsung•com (Joonyoung Shim)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH V2 6/7] ARM: EXYNOS5: Add the bus clock for FIMD
Date: Tue, 24 Jul 2012 08:45:51 +0900 [thread overview]
Message-ID: <500DE22F.5010006@samsung.com> (raw)
In-Reply-To: <000301cd6928$e5021660$af064320$%han@samsung.com>
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?
next prev parent reply other threads:[~2012-07-23 23:45 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-18 5:57 [PATCH V2 0/7] Add device tree based discovery support for drm-fimd Leela Krishna Amudala
2012-07-18 5:57 ` [PATCH V2 1/7] ARM: SAMSUNG: add additional registers and SFR definitions for writeback Leela Krishna Amudala
2012-07-18 6:51 ` Marek Szyprowski
2012-07-18 7:09 ` Ajay kumar
2012-07-20 10:09 ` Sylwester Nawrocki
2012-07-19 12:43 ` Leela Krishna Amudala
2012-07-20 6:45 ` Marek Szyprowski
2012-07-18 11:05 ` Tomasz Figa
2012-07-19 13:00 ` Leela Krishna Amudala
2012-07-19 13:35 ` Tomasz Figa
2012-07-20 2:21 ` Jingoo Han
2012-07-20 2:59 ` Leela Krishna Amudala
2012-07-20 9:49 ` Tomasz Figa
2012-07-20 10:00 ` Sylwester Nawrocki
2012-07-20 11:07 ` Leela Krishna Amudala
2012-07-20 12:54 ` Sylwester Nawrocki
2012-07-22 22:35 ` Jingoo Han
2012-07-18 5:57 ` [PATCH V2 2/7] ARM: EXYNOS5: add machine specific support for backlight Leela Krishna Amudala
2012-07-18 5:57 ` [PATCH V2 3/7] ARM: EXYNOS5: add machine specific support for LCD Leela Krishna Amudala
2012-07-18 6:45 ` Marek Szyprowski
2012-07-19 13:21 ` Leela Krishna Amudala
2012-07-20 6:31 ` Marek Szyprowski
2012-07-24 16:02 ` Leela Krishna Amudala
2012-07-20 7:17 ` Joonyoung Shim
2012-07-18 5:57 ` [PATCH V2 4/7] ARM: EXYNOS: Adding DRM platform device Leela Krishna Amudala
2012-07-20 7:33 ` Joonyoung Shim
2012-07-18 5:57 ` [PATCH V2 5/7] ARM: EXYNOS: add device tree based discovery support for FIMD Leela Krishna Amudala
2012-07-20 7:39 ` Joonyoung Shim
2012-07-18 5:57 ` [PATCH V2 6/7] ARM: EXYNOS5: Add the bus clock " Leela Krishna Amudala
2012-07-23 8:34 ` Joonyoung Shim
2012-07-23 9:54 ` Joonyoung Shim
2012-07-23 23:14 ` Jingoo Han
2012-07-23 23:45 ` Joonyoung Shim [this message]
2012-07-23 23:48 ` Jingoo Han
2012-07-23 23:55 ` Jingoo Han
2012-07-24 1:55 ` Joonyoung Shim
2012-07-24 2:15 ` Jingoo Han
2012-07-24 3:06 ` Joonyoung Shim
2012-07-24 4:02 ` Jingoo Han
2012-07-24 9:13 ` Sylwester Nawrocki
2012-07-18 5:57 ` [PATCH V2 7/7] ARM: EXYNOS5: Set parent clock to fimd Leela Krishna Amudala
2012-07-23 8:41 ` Joonyoung Shim
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