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Mon, 3 Dec 2018 11:32:06 +0000 Received: from AM0PR08MB3891.eurprd08.prod.outlook.com ([fe80::896a:710:2a8c:e2fa]) by AM0PR08MB3891.eurprd08.prod.outlook.com ([fe80::896a:710:2a8c:e2fa%6]) with mapi id 15.20.1382.020; Mon, 3 Dec 2018 11:32:06 +0000 From: Ayan Halder To: Ayan Halder , Liviu Dudau , Brian Starkey , "malidp@foss.arm.com" , "airlied@linux.ie" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "maxime.ripard@bootlin.com" , "sean@poorly.run" , "maarten.lankhorst@linux.intel.com" , "corbet@lwn.net" , "mchehab+samsung@kernel.org" , "gregkh@linuxfoundation.org" , "davem@davemloft.net" , "akpm@linux-foundation.org" , "nicolas.ferre@microchip.com" , "arnd@arndb.de" , "linux-doc@vger.kernel.org" CC: nd Subject: [RFC v3 AFBC 12/12] drm/arm/malidp: Added support for AFBC modifiers for all layers except DE_SMART Thread-Topic: [RFC v3 AFBC 12/12] drm/arm/malidp: Added support for AFBC modifiers for all layers except DE_SMART Thread-Index: AQHUivvSLomXscPgB0i325VFKObs8Q== Date: Mon, 3 Dec 2018 11:32:06 +0000 Message-ID: <1543836703-8491-13-git-send-email-ayan.halder@arm.com> References: <1543836703-8491-1-git-send-email-ayan.halder@arm.com> In-Reply-To: <1543836703-8491-1-git-send-email-ayan.halder@arm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: LO2P265CA0279.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:a1::27) To AM0PR08MB3891.eurprd08.prod.outlook.com (2603:10a6:208:109::19) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Ayan.Halder@arm.com; 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received-spf: None (protection.outlook.com: arm.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: Q806ioVTDDfJp/rfq4Irj2xP0cjJTJBeVXzUmd9grXDkSIG37VjmBtCmA4mRMi2xnpY+l2uxKHNNl2XaVzkq6vTafWDLebeg3CRWpXkgdwhUgepwK6ReW5Rle06ss8gixPEkBLeDoGTdWjAQVAqcm0VvujOuZ0t6Xpx/pG1x9KiqVRd1vHj1H6nODqbpk7ghebm4rM6SCIjn9n980bG6IFMfGpS6pGNTLu5WhwgknxKelPjTlNFNHQ/dvwkXfujnbkPK/xt54l0V9B2YaeMYy8iRR38KKBmnnLHwZc31stkMJMlB+T75xK2T1PTtTGXxym+wMd9G2XxDS6FZ3XdIyh/dy8b9S3lZmX6TJFh9Sv8= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: 05c9071b-0e5b-45cb-061a-08d65912f463 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Dec 2018 11:32:06.8470 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3491 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The list of modifiers to be supported for each plane has been dynamically g= enerated from 'malidp_format_modifiers[]' and 'malidp_hw_regmap->features'. Changes from v1:- 1. Replaced DRM_ERROR() with DRM_DEBUG_KMS() in malidp_format_mod_supported= () to report unsupported modifiers. Changes from v2:- 1. Removed malidp_format_mod_supported() from the current patch. This has b= een added in "PATCH 7/12" 2. Dynamically generate the list of modifiers (to be supported for each pla= ne) from 'malidp_format_modifiers' and features. Signed-off-by: Ayan Kumar halder --- drivers/gpu/drm/arm/malidp_drv.c | 1 + drivers/gpu/drm/arm/malidp_planes.c | 28 ++++++++++++++++++++++++++-- 2 files changed, 27 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_= drv.c index b2b97db..be45703 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -388,6 +388,7 @@ static int malidp_init(struct drm_device *drm) drm->mode_config.max_height =3D hwdev->max_line_size; drm->mode_config.funcs =3D &malidp_mode_config_funcs; drm->mode_config.helper_private =3D &malidp_mode_config_helpers; + drm->mode_config.allow_fb_modifiers =3D true; =20 ret =3D malidp_crtc_init(drm); if (ret) diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/mali= dp_planes.c index eec0442..01037d0 100644 --- a/drivers/gpu/drm/arm/malidp_planes.c +++ b/drivers/gpu/drm/arm/malidp_planes.c @@ -934,6 +934,25 @@ int malidp_de_planes_init(struct drm_device *drm) BIT(DRM_MODE_BLEND_COVERAGE); u32 *formats; int ret, i, j, n; + u64 supported_modifiers[MODIFIERS_COUNT_MAX]; + const u64 *modifiers; + + modifiers =3D malidp_format_modifiers; + + if (!(map->features & MALIDP_DEVICE_AFBC_SUPPORT_SPLIT)) { + /* + * Since our hardware does not support SPLIT, so build the list of + * supported modifiers excluding SPLIT ones. + */ + while (*modifiers !=3D DRM_FORMAT_MOD_INVALID) { + if (!(*modifiers & AFBC_SPLIT)) + supported_modifiers[j++] =3D *modifiers; + + modifiers++; + } + supported_modifiers[j++] =3D DRM_FORMAT_MOD_INVALID; + modifiers =3D supported_modifiers; + } =20 formats =3D kcalloc(map->n_pixel_formats, sizeof(*formats), GFP_KERNEL); if (!formats) { @@ -958,9 +977,14 @@ int malidp_de_planes_init(struct drm_device *drm) =20 plane_type =3D (i =3D=3D 0) ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; + + /* + * All the layers except smart layer supports AFBC modifiers. + */ ret =3D drm_universal_plane_init(drm, &plane->base, crtcs, - &malidp_de_plane_funcs, formats, - n, NULL, plane_type, NULL); + &malidp_de_plane_funcs, formats, n, + (id =3D=3D DE_SMART) ? NULL : modifiers, plane_type, NULL); + if (ret < 0) goto cleanup; =20 --=20 2.7.4