From: Marek Szyprowski <m.szyprowski@samsung.com>
To: 'Jingoo Han' <jg1.han@samsung.com>,
'Leela Krishna Amudala' <l.krishna@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
ben-linux@fluff.org, inki.dae@samsung.com, kgene.kim@samsung.com,
joshi@samsung.com
Subject: RE: [PATCH 1/3] Move FIMD register headers to include/video/
Date: Tue, 31 Jul 2012 10:32:06 +0200 [thread overview]
Message-ID: <033c01cd6ef6$fb514570$f1f3d050$%szyprowski@samsung.com> (raw)
In-Reply-To: <000701cd6ef5$24315c70$6c941550$%han@samsung.com>
Hello,
On Tuesday, July 31, 2012 10:19 AM Jingoo Han wrote:
> On Tuesday, July 31, 2012 3:28 PM Marek Szyprowski wrote:
> >
> > Hello,
> >
> > On Tuesday, July 31, 2012 2:48 AM Jingoo Han wrote:
> >
> > > On Monday, July 30, 2012 8:16 PM, Leela Krishna Amudala wrote:
> > > >
> > > > Hello Jingoo Han,
> > > >
> > > > On Mon, Jul 30, 2012 at 2:23 PM, Jingoo Han <jg1.han@samsung.com> wrote:
> > > > > On Monday, July 30, 2012 5:45 PM, Leela Krishna Amudala wrote:
> > > > >>
> > > > >> Moved the contents of regs-fb-v4.h and regs-fb.h from arch side
> > > > >> to include/video/samsung_fimd.h
> > > > >>
> > > > >> Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
> > > > >> ---
> > > > >> arch/arm/plat-samsung/include/plat/regs-fb-v4.h | 159 -------
> > > > >> arch/arm/plat-samsung/include/plat/regs-fb.h | 403 -----------------
> > > > >> include/video/samsung_fimd.h | 533 +++++++++++++++++++++++
> > > > >> 3 files changed, 533 insertions(+), 562 deletions(-)
> > > > >> delete mode 100644 arch/arm/plat-samsung/include/plat/regs-fb-v4.h
> > > > >> delete mode 100644 arch/arm/plat-samsung/include/plat/regs-fb.h
> > > > >> create mode 100644 include/video/samsung_fimd.h
> > > > >>
> > > > >> +*/
> > > > >> +
> > > > >> +/*FIMD V8 REG OFFSET */
> > > > >> +#define FIMD_V8_VIDTCON0 (0x20010)
> > > > >> +#define FIMD_V8_VIDTCON1 (0x20014)
> > > > >> +#define FIMD_V8_VIDTCON2 (0x20018)
> > > > >> +#define FIMD_V8_VIDTCON3 (0x2001C)
> > > > >> +#define FIMD_V8_VIDCON1 (0x20004)
> > >
> > >
> > > How about using soc_is_exynos5250()?
> > >
> > > +#define VIDTCON0 (soc_is_exynos5250() ? \
> > > + (0x20010) : (0x10))
> > >
> > > In this case, the FIMD driver does not need to change.
> > > Also, one binary is available.
> >
> > Please don't mix two methods of runtime detection. FIMD driver (s3c-fb) already
> > has runtime hw detection based on platform device id. Adding such detection for
> > exynos5 to DRM FIMD driver should not be a big issue too.
>
> Marek,
> Then, do you want use like this?
>
> #define VIDTCON0 (0x10)
> +#define FIMD_V8_VIDTCON0 (0x20010)
>
> --- a/drivers/video/s3c-fb.c
> +++ b/drivers/video/s3c-fb.c
> @@ -1924,7 +1924,7 @@ static struct s3c_fb_driverdata s3c_fb_data_exynos4 = {
> static struct s3c_fb_driverdata s3c_fb_data_exynos5 = {
> .variant = {
> .nr_windows = 5,
> - .vidtcon = VIDTCON0,
> + .vidtcon = FIMD_V8_VIDTCON0,
Yes, this method looks good imo. Maybe even having something like vidtcon_base in
variant structure will be enough to cover all VIDTCON0-3 registers.
Best regards
--
Marek Szyprowski
Samsung Poland R&D Center
next prev parent reply other threads:[~2012-07-31 8:32 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-30 8:45 [PATCH 0/3] ARM: SAMSUNG: Move FIMD headers to include/video/ Leela Krishna Amudala
2012-07-30 8:45 ` [PATCH 1/3] Move FIMD register " Leela Krishna Amudala
2012-07-30 8:46 ` Leela Krishna Amudala
2012-07-30 8:49 ` Sylwester Nawrocki
2012-07-30 11:05 ` Leela Krishna Amudala
2012-07-30 8:53 ` Jingoo Han
2012-07-30 9:09 ` Sylwester Nawrocki
2012-07-30 11:16 ` Leela Krishna Amudala
2012-07-30 14:32 ` Tomasz Figa
2012-07-31 0:47 ` Jingoo Han
2012-07-31 6:28 ` Marek Szyprowski
2012-07-31 7:12 ` Leela Krishna Amudala
2012-07-31 8:19 ` Jingoo Han
2012-07-31 8:32 ` Marek Szyprowski [this message]
2012-08-01 1:56 ` Kukjin Kim
2012-07-31 6:37 ` Tomasz Figa
2012-07-31 8:09 ` Jingoo Han
2012-08-01 1:50 ` Kukjin Kim
2012-08-01 1:46 ` Kukjin Kim
2012-07-30 8:45 ` [PATCH 2/3] arm: samsung: Include the modified FIMD header file Leela Krishna Amudala
2012-07-30 8:47 ` Leela Krishna Amudala
2012-07-30 8:45 ` [PATCH 3/3] driver: " Leela Krishna Amudala
2012-07-30 8:48 ` Leela Krishna Amudala
2012-07-30 8:45 ` [PATCH 0/3] ARM: SAMSUNG: Move FIMD headers to include/video/ Leela Krishna Amudala
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