From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Devarsh Thakkar <devarsht@ti.com>,
mchehab@kernel.org, hverkuil-cisco@xs4all.nl,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
benjamin.gaignard@collabora.com, sebastian.fricke@collabora.com,
p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch,
dri-devel@lists.freedesktop.org, praneeth@ti.com, nm@ti.com,
vigneshr@ti.com, a-bhatia1@ti.com, j-luthra@ti.com,
b-brnich@ti.com, detheridge@ti.com, p-mantena@ti.com,
vijayp@ti.com, andrzej.p@collabora.com, nicolas@ndufresne.ca,
akpm@linux-foundation.org, gregkh@linuxfoundation.org,
adobriyan@gmail.com, jani.nikula@intel.com
Subject: Re: [PATCH v7 8/8] gpu: ipu-v3: Use generic macro for rounding to nearest multiple
Date: Fri, 10 May 2024 18:33:29 +0300 [thread overview]
Message-ID: <Zj4-SfdNjRHxpHhe@smile.fi.intel.com> (raw)
In-Reply-To: <20240510151642.GA17158@pendragon.ideasonboard.com>
On Fri, May 10, 2024 at 06:16:42PM +0300, Laurent Pinchart wrote:
> On Fri, May 10, 2024 at 06:03:52PM +0300, Andy Shevchenko wrote:
> > On Fri, May 10, 2024 at 12:10:10AM +0530, Devarsh Thakkar wrote:
> > > Use generic macro round_closest_up for rounding to nearest multiple instead
> >
> > round_closest_up()
> >
> > We refer to the functions as func().
> >
> > > of using local function.
...
> > > @@ -565,7 +563,7 @@ static void find_best_seam(struct ipu_image_convert_ctx *ctx,
> > > * The closest input sample position that we could actually
> > > * start the input tile at, 19.13 fixed point.
> > > */
> > > - in_pos_aligned = round_closest(in_pos, 8192U * in_align);
> > > + in_pos_aligned = round_closest_up(in_pos, 8192U * in_align);
> > > /* Convert 19.13 fixed point to integer */
> > > in_pos_rounded = in_pos_aligned / 8192U;
> >
> > Oh, these seems to be better to use either ALIGN*(), or PFN_*() / PAGE_*()
> > families of macros. What the semantic of 8192 is?
>
> The comment mentions 19.13 fixed point, so I assume that's the
> fractional part of the integer. It doesn't seem related to pages.
Okay, and align word in all those variable names?
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2024-05-10 15:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-09 18:40 [PATCH v7 8/8] gpu: ipu-v3: Use generic macro for rounding to nearest multiple Devarsh Thakkar
2024-05-10 15:03 ` Andy Shevchenko
2024-05-10 15:16 ` Laurent Pinchart
2024-05-10 15:33 ` Andy Shevchenko [this message]
2024-05-11 17:49 ` Devarsh Thakkar
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