linux-kernel - Re: [RFC AFBC 06/12] drm/arm/malidp:- Added support for new YUV formats for DP500, DP550 and DP650

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Message-ID: <20181214141222.GC19564@arm.com>
Date:   Fri, 14 Dec 2018 14:12:23 +0000
From:   Ayan Halder <Ayan.Halder@....com>
To:     Liviu Dudau <Liviu.Dudau@....com>
CC:     "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "arnd@...db.de" <arnd@...db.de>, "corbet@....net" <corbet@....net>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "nicolas.ferre@...rochip.com" <nicolas.ferre@...rochip.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "maxime.ripard@...tlin.com" <maxime.ripard@...tlin.com>,
        "malidp@...s.arm.com" <malidp@...s.arm.com>,
        "mchehab+samsung@...nel.org" <mchehab+samsung@...nel.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        nd <nd@....com>, "sean@...rly.run" <sean@...rly.run>
Subject: Re: [RFC AFBC 06/12] drm/arm/malidp:- Added support for new YUV
 formats for DP500, DP550 and DP650

On Tue, Dec 04, 2018 at 04:57:46PM +0000, Liviu Dudau wrote:

Hi Liviu,
> On Mon, Dec 03, 2018 at 11:32:00AM +0000, Ayan Halder wrote:
> > We have added some new formats to be supported on DP500/DP550/DP650.
> 
> Make a bit more descriptive commit message here, please!
>
I will keep the following commit message :-

""We have added support for some AFBC only pixel formats like :-
DRM_FORMAT_YUV420_8BIT (single plane YUV 420 8 bit format)
DRM_FORMAT_VUY888 (single plane YUV 444 8 bit format)
DRM_FORMAT_VUY101010 (single plane YUV 444 10 bit format)
DRM_FORMAT_YUV420_10BIT (single plane YUV 420 10 bit format)

Generally, these formats are supported by our hardware using the same hw-ids as
the equivalent multi plane pixel formats.

Also we have added support for XYUV 444 8 and 10 bit formats.""

Let me know if this looks fine.

Thanks,
Ayan Kumar halder
> > 
> > Signed-off-by: Ayan Kumar Halder <ayan.halder@....com>
> > 
> > Depends on :- https://patchwork.kernel.org/patch/10460063/
> 
> Reviewed-by: Liviu Dudau <liviu.dudau@....com>
> 
> Best regards,
> Liviu
> 
> > ---
> >  drivers/gpu/drm/arm/malidp_hw.c | 22 +++++++++++++++++++++-
> >  1 file changed, 21 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c
> > index 55d379b..25ac5890 100644
> > --- a/drivers/gpu/drm/arm/malidp_hw.c
> > +++ b/drivers/gpu/drm/arm/malidp_hw.c
> > @@ -49,6 +49,12 @@ static const struct malidp_format_id malidp500_de_formats[] = {
> >  	{ DRM_FORMAT_YUYV, DE_VIDEO1, 13 },
> >  	{ DRM_FORMAT_NV12, DE_VIDEO1 | SE_MEMWRITE, 14 },
> >  	{ DRM_FORMAT_YUV420, DE_VIDEO1, 15 },
> > +	{ DRM_FORMAT_XYUV8888, DE_VIDEO1, 16 },
> > +	/* These are supported with AFBC only */
> > +	{ DRM_FORMAT_YUV420_8BIT, DE_VIDEO1, 14 },
> > +	{ DRM_FORMAT_VUY888, DE_VIDEO1, 16 },
> > +	{ DRM_FORMAT_VUY101010, DE_VIDEO1, 17 },
> > +	{ DRM_FORMAT_YUV420_10BIT, DE_VIDEO1, 18 }
> >  };
> >  
> >  #define MALIDP_ID(__group, __format) \
> > @@ -74,11 +80,25 @@ static const struct malidp_format_id malidp500_de_formats[] = {
> >  	{ DRM_FORMAT_ABGR1555, DE_VIDEO1 | DE_GRAPHICS1 | DE_VIDEO2, MALIDP_ID(4, 1) }, \
> >  	{ DRM_FORMAT_RGB565, DE_VIDEO1 | DE_GRAPHICS1 | DE_VIDEO2, MALIDP_ID(4, 2) }, \
> >  	{ DRM_FORMAT_BGR565, DE_VIDEO1 | DE_GRAPHICS1 | DE_VIDEO2, MALIDP_ID(4, 3) }, \
> > +	/* This is only supported with linear modifier */	\
> > +	{ DRM_FORMAT_XYUV8888, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(5, 0) },\
> > +	/* This is only supported with AFBC modifier */		\
> > +	{ DRM_FORMAT_VUY888, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(5, 0) }, \
> >  	{ DRM_FORMAT_YUYV, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(5, 2) },	\
> > +	/* This is only supported with linear modifier */ \
> >  	{ DRM_FORMAT_UYVY, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(5, 3) },	\
> >  	{ DRM_FORMAT_NV12, DE_VIDEO1 | DE_VIDEO2 | SE_MEMWRITE, MALIDP_ID(5, 6) },	\
> > +	/* This is only supported with AFBC modifier */ \
> > +	{ DRM_FORMAT_YUV420_8BIT, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(5, 6) }, \
> >  	{ DRM_FORMAT_YUV420, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(5, 7) }, \
> > -	{ DRM_FORMAT_X0L2, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(6, 6)}
> > +	/* This is only supported with linear modifier */ \
> > +	{ DRM_FORMAT_XVYU2101010, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(6, 0)}, \
> > +	/* This is only supported with AFBC modifier */ \
> > +	{ DRM_FORMAT_VUY101010, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(6, 0)}, \
> > +	{ DRM_FORMAT_X0L2, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(6, 6)}, \
> > +	/* This is only supported with AFBC modifier */ \
> > +	{ DRM_FORMAT_YUV420_10BIT, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(6, 7)}, \
> > +	{ DRM_FORMAT_P010, DE_VIDEO1 | DE_VIDEO2, MALIDP_ID(6, 7)}
> >  
> >  static const struct malidp_format_id malidp550_de_formats[] = {
> >  	MALIDP_COMMON_FORMATS,
> > -- 
> > 2.7.4
> > 
> 
> -- 
> ====================
> | I would like to |
> | fix the world,  |
> | but they're not |
> | giving me the   |
>  \ source code!  /
>   ---------------
>     ??\_(???)_/??
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