From: ville.syrjala@linux.intel.com (Ville Syrjälä)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/5] drm/fourcc: Add is_yuv field to drm_format_info to denote if the format is yuv
Date: Wed, 18 Jul 2018 13:21:52 +0300 [thread overview]
Message-ID: <20180718102152.GV5565@intel.com> (raw)
In-Reply-To: <20180718091202.GA27151@DESKTOP-E1NTVVP.localdomain>
On Wed, Jul 18, 2018 at 10:12:02AM +0100, Brian Starkey wrote:
> Hi Ayan,
>
> On Tue, Jul 17, 2018 at 06:13:42PM +0100, Ayan Kumar Halder wrote:
> >A lot of drivers duplicate the function to check if a format is yuv or not.
> >If we add a field (to denote whether the format is yuv or not) in the
> >drm_format_info table, all the drivers can use this field and it will
> >prevent duplication of similar logic.
>
> This looks like a good idea to me.
>
> I wonder if the two "has_alpha" and "is_yuv" bools should be bitfields
> to reduce the footprint (not sure what the general DRM attitude to
> bitfields is), but either way:
There are quite a few of these so tighter packing (of the other fields
as well perhaps) might be a decent idea.
For the series (except for the omapdrm patch which I'll leave for Tomi):
Reviewed-by: Ville Syrj?l? <ville.syrjala@linux.intel.com>
>
> Reviewed-by: Brian Starkey <brian.starkey@arm.com>
>
> >
> >Signed-off-by: Ayan Kumar halder <ayan.halder@arm.com>
> >---
> > drivers/gpu/drm/drm_fourcc.c | 42 +++++++++++++++++++++---------------------
> > include/drm/drm_fourcc.h | 2 ++
> > 2 files changed, 23 insertions(+), 21 deletions(-)
> >
> >diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
> >index 5ca6395..35c1e27 100644
> >--- a/drivers/gpu/drm/drm_fourcc.c
> >+++ b/drivers/gpu/drm/drm_fourcc.c
> >@@ -152,27 +152,27 @@ const struct drm_format_info *__drm_format_info(u32 format)
> > { .format = DRM_FORMAT_XBGR8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
> > { .format = DRM_FORMAT_RGBX8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
> > { .format = DRM_FORMAT_BGRX8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
> >- { .format = DRM_FORMAT_YUV410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 4 },
> >- { .format = DRM_FORMAT_YVU410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 4 },
> >- { .format = DRM_FORMAT_YUV411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 1 },
> >- { .format = DRM_FORMAT_YVU411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 1 },
> >- { .format = DRM_FORMAT_YUV420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 2 },
> >- { .format = DRM_FORMAT_YVU420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 2 },
> >- { .format = DRM_FORMAT_YUV422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 1 },
> >- { .format = DRM_FORMAT_YVU422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 1 },
> >- { .format = DRM_FORMAT_YUV444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 1, .vsub = 1 },
> >- { .format = DRM_FORMAT_YVU444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 1, .vsub = 1 },
> >- { .format = DRM_FORMAT_NV12, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2 },
> >- { .format = DRM_FORMAT_NV21, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2 },
> >- { .format = DRM_FORMAT_NV16, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 1 },
> >- { .format = DRM_FORMAT_NV61, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 1 },
> >- { .format = DRM_FORMAT_NV24, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 1, .vsub = 1 },
> >- { .format = DRM_FORMAT_NV42, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 1, .vsub = 1 },
> >- { .format = DRM_FORMAT_YUYV, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> >- { .format = DRM_FORMAT_YVYU, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> >- { .format = DRM_FORMAT_UYVY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> >- { .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> >- { .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
> >+ { .format = DRM_FORMAT_YUV410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 4, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YVU410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 4, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YUV411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YVU411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YUV420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 2, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YVU420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 2, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YUV422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YVU422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YUV444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 1, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YVU444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 1, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_NV12, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2, .is_yuv = true },
> >+ { .format = DRM_FORMAT_NV21, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2, .is_yuv = true },
> >+ { .format = DRM_FORMAT_NV16, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_NV61, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_NV24, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_NV42, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YUYV, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_YVYU, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_UYVY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
> >+ { .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
> > };
> >
> > unsigned int i;
> >diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
> >index 3e86408..f9c1584 100644
> >--- a/include/drm/drm_fourcc.h
> >+++ b/include/drm/drm_fourcc.h
> >@@ -39,6 +39,7 @@ struct drm_mode_fb_cmd2;
> > * @hsub: Horizontal chroma subsampling factor
> > * @vsub: Vertical chroma subsampling factor
> > * @has_alpha: Does the format embeds an alpha component?
> >+ * @is_yuv: Is it a YUV format?
> > */
> > struct drm_format_info {
> > u32 format;
> >@@ -48,6 +49,7 @@ struct drm_format_info {
> > u8 hsub;
> > u8 vsub;
> > bool has_alpha;
> >+ bool is_yuv;
> > };
> >
> > /**
> >--
> >2.7.4
> >
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Ville Syrj?l?
Intel
prev parent reply other threads:[~2018-07-18 10:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-17 17:13 [PATCH 1/5] drm/fourcc: Add is_yuv field to drm_format_info to denote if the format is yuv Ayan Kumar Halder
2018-07-17 17:13 ` [PATCH 2/5] drm/i915: Substitute intel_format_is_yuv() with format->is_yuv Ayan Kumar Halder
2018-07-17 17:13 ` [PATCH 3/5] drm/rockchip: Substitute is_yuv_support() " Ayan Kumar Halder
2018-07-17 17:13 ` [PATCH 4/5] drm/omapdrm: Substitute format_is_yuv() " Ayan Kumar Halder
2018-07-18 10:17 ` [Intel-gfx] " Ville Syrjälä
2018-09-26 9:30 ` Tomi Valkeinen
2018-07-17 17:13 ` [PATCH 5/5] drm/sun4i: Substitute sun4i_backend_format_is_yuv() " Ayan Kumar Halder
2018-07-18 10:15 ` [Intel-gfx] " Ville Syrjälä
2018-07-18 14:40 ` Ayan Halder
2018-07-18 9:12 ` [PATCH 1/5] drm/fourcc: Add is_yuv field to drm_format_info to denote if the format is yuv Brian Starkey
2018-07-18 10:21 ` Ville Syrjälä [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180718102152.GV5565@intel.com \
--to=ville.syrjala@linux.intel.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).