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From: jg1.han@samsung.com (Jingoo Han)
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 08:48:40 +0900	[thread overview]
Message-ID: <000501cd692d$afa71560$0ef54020$%han@samsung.com> (raw)
In-Reply-To: <500DE22F.5010006@samsung.com>

On Tuesday, July 24, 2012 8:46 AM, Joonyoung Shim wrote:
> 
> 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?

I have no plan.

Best regards,
Jingoo Han

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  reply	other threads:[~2012-07-23 23:48 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
2012-07-23 23:48           ` Jingoo Han [this message]
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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