From:   Rikard Falkeborn <rikard.falkeborn@gmail.com>
Date:   Sun, 12 Dec 2021 14:21:08 +0100
To:     "Wang, Zhi A" <zhi.a.wang@intel.com>
Cc:     Rikard Falkeborn <rikard.falkeborn@gmail.com>,
        Zhenyu Wang <zhenyuw@linux.intel.com>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        "Vivi, Rodrigo" <rodrigo.vivi@intel.com>,
        Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        "intel-gvt-dev@lists.freedesktop.org" 
        <intel-gvt-dev@lists.freedesktop.org>,
        "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>,
        "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 7/9] drm/i915/gvt: Constify formats
Message-ID: <YbX3RPtqtGhoRSV1@rikard>
References: <20211204105527.15741-1-rikard.falkeborn@gmail.com>
 <20211204105527.15741-8-rikard.falkeborn@gmail.com>
 <6e73f014-730c-3334-c0e6-7e0665f47fec@intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <6e73f014-730c-3334-c0e6-7e0665f47fec@intel.com>
Precedence: bulk

On Fri, Dec 10, 2021 at 08:20:22AM +0000, Wang, Zhi A wrote:
> On 12/4/2021 12:55 PM, Rikard Falkeborn wrote:
> > These are never modified, so make them const to allow the compiler to
> > put them in read-only memory. WHile at it, make the description const
> > char* since it is never modified.
> >
> > Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
> > ---
> >   drivers/gpu/drm/i915/gvt/fb_decoder.c | 24 ++++++++++++------------
> >   1 file changed, 12 insertions(+), 12 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/gvt/fb_decoder.c b/drivers/gpu/drm/i915/gvt/fb_decoder.c
> > index 11a8baba6822..3c8736ae8fed 100644
> > --- a/drivers/gpu/drm/i915/gvt/fb_decoder.c
> > +++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c
> > @@ -40,12 +40,12 @@
> >   
> >   #define PRIMARY_FORMAT_NUM	16
> >   struct pixel_format {
> > -	int	drm_format;	/* Pixel format in DRM definition */
> > -	int	bpp;		/* Bits per pixel, 0 indicates invalid */
> > -	char	*desc;		/* The description */
> > +	int		drm_format;	/* Pixel format in DRM definition */
> > +	int		bpp;		/* Bits per pixel, 0 indicates invalid */
> > +	const char	*desc;		/* The description */
> >   };
> Thanks so much for this. According to the code of i915, we prefer using 
> one space as seperator.
> >   

Thanks for reviewing. Just to clarify, is this how you want it to look:

struct pixel_format {
	int drm_format;     /* Pixel format in DRM definition */
	int bpp;            /* Bits per pixel, 0 indicates invalid */
	char *desc;         /* The description */
};

Rikard