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Fri, 23 Nov 2018 16:55:34 +0000 Received: from AM0PR08MB3891.eurprd08.prod.outlook.com ([fe80::896a:710:2a8c:e2fa]) by AM0PR08MB3891.eurprd08.prod.outlook.com ([fe80::896a:710:2a8c:e2fa%5]) with mapi id 15.20.1361.018; Fri, 23 Nov 2018 16:55:34 +0000 From: Ayan Halder To: Paul Kocialkowski CC: "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "linux-arm-kernel@lists.infradead.org" , Maxime Ripard , "linux-sunxi@googlegroups.com" , David Airlie , Chen-Yu Tsai , Thomas Petazzoni , Sean Paul , nd Subject: Re: [PATCH v2 12/43] drm/fourcc: Add format helpers for checking YUV sub-sampling Thread-Topic: [PATCH v2 12/43] drm/fourcc: Add format helpers for checking YUV sub-sampling Thread-Index: AQHUgw6x+GJcZGDkWU2cbV9Ru55/5qVdlJSA Date: Fri, 23 Nov 2018 16:55:33 +0000 Message-ID: <20181123165532.GA22326@arm.com> References: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> <20181123092515.2511-13-paul.kocialkowski@bootlin.com> In-Reply-To: <20181123092515.2511-13-paul.kocialkowski@bootlin.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: CWLP265CA0041.GBRP265.PROD.OUTLOOK.COM (2603:10a6:401:11::29) To AM0PR08MB3891.eurprd08.prod.outlook.com (2603:10a6:208:109::19) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [217.140.106.54] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;AM0PR08MB3009;6:qHFK1up8ZcoN8pWhM4ZWzUAh5meQaiyB02NLc2/jkX3L2VbzWLXwUtT50GS06F5+CjryfX4t2CxljzKjd5v0biLf4M72qRRT0VIEgf63P85g/yCvMMFeOGY8Wk62+UFy8YDwfOzjx4gSKktjQDRGRfalLd8RN4ThFH1vhJJE0Jyapbb9jJKegwdva+36IDQNpg811U2YjfqM1dy7HRlSuf395G279pR8fEJIos9FU24ovXB4cx4r9zowrCClyWlJqQZk14rFyv0MpZ3WNMAsQrTPbqN2LdzjrDRt02wnelNVQd7bX5uEiKah1c59MeZ8puPokALGVKw4lvse1qKfp5apsUv91rOnrb0pFporDE2Gb5LVHsiMFXa/1iWSt7pM1xa1GaFEIawcGPF30PQydZb7M4KEZANL+hZLZipixUIwF9blxEk91p0PZyKovAThUmuTHktMSryCfIRQmkeJIg==;5:3OWpaJmsUfcPX61soo15dB8iy/TURdp+ghiVzHpd+m2V8klF0WD50+4tNsksV/y2lqF9vPD2xmOvPyyyokZeHYFvgDs8/sLgnlkqkSbvp5OFZdfFyta82PogSvhEbhTr9grelo7CiSLrRbJyfCq8V7Bi4StJJC2h9vgeSWSwKPs=;7:Qt51cRMKJEeZGrCr7MmPZexD/wMSKJ2lU5E9h9f522D0tRKc4+nP5z2x10fThrEslcLyhYDEeBY/lp89+0ZQSLBOLSr2gJ30xz98pOqHzrSOOYga9xWgEAolCUr6jyrXkKJRO9FxH81j8d6OqpXjvw== x-ms-office365-filtering-correlation-id: ff3e7c70-4f37-44dd-4b9e-08d651647bdf x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390098)(7020095)(4652040)(8989299)(5600074)(711020)(4618075)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7153060)(7193020);SRVR:AM0PR08MB3009; 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received-spf: None (protection.outlook.com: arm.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: t/ID87/ldXSFPMGLgcLLMh2iGCtYx4BT19WIBW6RohktuEILqN0Yfg5Uz4UmeyEBinhOhlvhw/PN1oO/EbqqXbz9Be35A3RXylcsBwizJb75ERPH4qiIdWsqRoSHhm3MF0Fo6wac1zQJokcFo5NpD2Wc1EN2bQDmqpEUZLhzHSM0HLsROSwdh05b0ZulFQLtqANWhHpWh+Ubpid94MoIgHXeP0l4jHGUIRlzpO8TsnTVsgm8T+OS+UjBj5wG6hc4H5Cq3BhCmWnyi3nB0TqOdVkEMBtY1ZOyXQ5d5m35mYt6KiwKtZEMvUjnWAVrSIpGs9J6ZMXqzfmIJoo6lNUDKThuJMnOUIl1KeED2tfQc8o= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-ID: <0AB3AA8CECED38488784F7C65BBD27BF@eurprd08.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: ff3e7c70-4f37-44dd-4b9e-08d651647bdf X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Nov 2018 16:55:33.9127 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3009 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 23, 2018 at 10:24:44AM +0100, Paul Kocialkowski wrote: Hi Paul, > This introduces new format helpers that use the previously-introduced > format info helpers for checking YUV sub-sampling. >=20 > Only the format fourcc is required by these helpers and the formats are > iterated from the list. >=20 > Signed-off-by: Paul Kocialkowski > --- > drivers/gpu/drm/drm_fourcc.c | 105 +++++++++++++++++++++++++++++++++++ > include/drm/drm_fourcc.h | 5 ++ > 2 files changed, 110 insertions(+) >=20 > diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c > index b56e773f9f63..6d395c586ad5 100644 > --- a/drivers/gpu/drm/drm_fourcc.c > +++ b/drivers/gpu/drm/drm_fourcc.c > @@ -492,6 +492,111 @@ bool drm_format_is_yuv_planar(uint32_t format) > } > EXPORT_SYMBOL(drm_format_is_yuv_planar); > =20 > +/** > + * drm_format_is_yuv_sampling_410 - check that the format is a YUV forma= t with > + * 4:1:0 sub-sampling > + * @format: pixel format > + * > + * Returns: > + * A boolean indicating whether the format is a YUV format with 4:1:0 > + * sub-sampling. > + */ > +bool drm_format_is_yuv_sampling_410(uint32_t format) > +{ > + const struct drm_format_info *info; > + > + info =3D drm_format_info(format); > + if (!info) > + return false; > + > + return drm_format_info_is_yuv_sampling_410(info); > +} > +EXPORT_SYMBOL(drm_format_is_yuv_sampling_410); > + > +/** > + * drm_format_is_yuv_sampling_411 - check that the format is a YUV forma= t with > + * 4:1:1 sub-sampling > + * @format: pixel format > + * > + * Returns: > + * A boolean indicating whether the format is a YUV format with 4:1:1 > + * sub-sampling. > + */ > +bool drm_format_is_yuv_sampling_411(uint32_t format) > +{ > + const struct drm_format_info *info; > + > + info =3D drm_format_info(format); > + if (!info) > + return false; > + > + return drm_format_info_is_yuv_sampling_411(info); > +} > +EXPORT_SYMBOL(drm_format_is_yuv_sampling_411); > + > +/** > + * drm_format_is_yuv_sampling_420 - check that the format is a YUV forma= t with > + * 4:2:0 sub-sampling > + * @format: pixel format > + * > + * Returns: > + * A boolean indicating whether the format is a YUV format with 4:2:0 > + * sub-sampling. > + */ > +bool drm_format_is_yuv_sampling_420(uint32_t format) > +{ > + const struct drm_format_info *info; > + > + info =3D drm_format_info(format); > + if (!info) > + return false; > + > + return drm_format_info_is_yuv_sampling_420(info); > +} > +EXPORT_SYMBOL(drm_format_is_yuv_sampling_420); > + > +/** > + * drm_format_is_yuv_sampling_422 - check that the format is a YUV forma= t with > + * 4:2:2 sub-sampling > + * @format: pixel format > + * > + * Returns: > + * A boolean indicating whether the format is a YUV format with 4:2:2 > + * sub-sampling. > + */ > +bool drm_format_is_yuv_sampling_422(uint32_t format) > +{ > + const struct drm_format_info *info; > + > + info =3D drm_format_info(format); > + if (!info) > + return false; > + > + return drm_format_info_is_yuv_sampling_422(info); > +} > +EXPORT_SYMBOL(drm_format_is_yuv_sampling_422); > + > +/** > + * drm_format_is_yuv_sampling_444 - check that the format is a YUV forma= t with > + * 4:4:4 sub-sampling > + * @format: pixel format > + * > + * Returns: > + * A boolean indicating whether the format is a YUV format with 4:4:4 > + * sub-sampling. > + */ > +bool drm_format_is_yuv_sampling_444(uint32_t format) > +{ > + const struct drm_format_info *info; > + > + info =3D drm_format_info(format); > + if (!info) > + return false; > + > + return drm_format_info_is_yuv_sampling_444(info); > +} > +EXPORT_SYMBOL(drm_format_is_yuv_sampling_444); > + > /** > * drm_format_info_block_width - width in pixels of block. > * @info: pixel format info > diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h > index d170b7b323f7..cf082d8b6ad4 100644 > --- a/include/drm/drm_fourcc.h > +++ b/include/drm/drm_fourcc.h > @@ -278,6 +278,11 @@ bool drm_format_is_yuv(uint32_t format); > bool drm_format_is_yuv_packed(uint32_t format); > bool drm_format_is_yuv_semiplanar(uint32_t format); > bool drm_format_is_yuv_planar(uint32_t format); > +bool drm_format_is_yuv_sampling_410(uint32_t format); > +bool drm_format_is_yuv_sampling_411(uint32_t format); > +bool drm_format_is_yuv_sampling_420(uint32_t format); > +bool drm_format_is_yuv_sampling_422(uint32_t format); > +bool drm_format_is_yuv_sampling_444(uint32_t format); > unsigned int drm_format_info_block_width(const struct drm_format_info *i= nfo, > int plane); > unsigned int drm_format_info_block_height(const struct drm_format_info *= info, > --=20 > 2.19.1 >=20 >From patches [PATCH v2 08/43] till [PATCH v2 12/43], looks good to me. How about clubbing all the drm_format_helper functions together in a separate file (call it drm_fourcc_helper.c)? This way, we could keep the __drm_format_info[] only drm_fourcc.c. > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel