From patchwork Fri Nov 23 09:24:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 10695279 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A1E9A175A for ; Fri, 23 Nov 2018 09:26:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 923D22C3BB for ; Fri, 23 Nov 2018 09:26:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 869FE2C3EC; Fri, 23 Nov 2018 09:26:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 427FD2C3BB for ; Fri, 23 Nov 2018 09:26:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E7006E5CD; Fri, 23 Nov 2018 09:26:41 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.bootlin.com (mail.bootlin.com [62.4.15.54]) by gabe.freedesktop.org (Postfix) with ESMTP id 8BBA76E578 for ; Fri, 23 Nov 2018 09:26:39 +0000 (UTC) Received: by mail.bootlin.com (Postfix, from userid 110) id B70BF20F8D; Fri, 23 Nov 2018 10:26:38 +0100 (CET) Received: from localhost.localdomain (aaubervilliers-681-1-94-205.w90-88.abo.wanadoo.fr [90.88.35.205]) by mail.bootlin.com (Postfix) with ESMTPSA id 602EE20D29; Fri, 23 Nov 2018 10:26:28 +0100 (CET) From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 04/43] drm/sun4i: backend: Add a helper and a list for supported formats Date: Fri, 23 Nov 2018 10:24:36 +0100 Message-Id: <20181123092515.2511-5-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> References: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maxime Ripard , linux-sunxi@googlegroups.com, Paul Kocialkowski , David Airlie , Chen-Yu Tsai , Thomas Petazzoni , Sean Paul Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP In order to check whether the backend supports a specific format, an explicit list and a related helper are introduced. The prototype of this helper is added to the header so that it can be called from sun4i_layer later (when introducing tiled mode support). Signed-off-by: Paul Kocialkowski --- drivers/gpu/drm/sun4i/sun4i_backend.c | 27 +++++++++++++++++++++++++++ drivers/gpu/drm/sun4i/sun4i_backend.h | 1 + 2 files changed, 28 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index c3444246755b..7dd24eb03f89 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -155,6 +155,33 @@ static int sun4i_backend_drm_format_to_layer(u32 format, u32 *mode) return 0; } +static const uint32_t sun4i_backend_formats[] = { + DRM_FORMAT_ARGB1555, + DRM_FORMAT_ARGB4444, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_BGRX8888, + DRM_FORMAT_RGB565, + DRM_FORMAT_RGB888, + DRM_FORMAT_RGBA4444, + DRM_FORMAT_RGBA5551, + DRM_FORMAT_UYVY, + DRM_FORMAT_VYUY, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_YUYV, + DRM_FORMAT_YVYU, +}; + +bool sun4i_backend_format_is_supported(uint32_t fmt) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(sun4i_backend_formats); i++) + if (sun4i_backend_formats[i] == fmt) + return true; + + return false; +} + int sun4i_backend_update_layer_coord(struct sun4i_backend *backend, int layer, struct drm_plane *plane) { diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h index 339dbff1cce4..93db3af675b3 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.h +++ b/drivers/gpu/drm/sun4i/sun4i_backend.h @@ -198,6 +198,7 @@ engine_to_sun4i_backend(struct sunxi_engine *engine) void sun4i_backend_layer_enable(struct sun4i_backend *backend, int layer, bool enable); +bool sun4i_backend_format_is_supported(uint32_t fmt); int sun4i_backend_update_layer_coord(struct sun4i_backend *backend, int layer, struct drm_plane *plane); int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,