From patchwork Sat Aug 17 22:45:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Walklin X-Patchwork-Id: 13767254 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6CE7EC531DC for ; Sat, 17 Aug 2024 23:10:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YwPvf6AeJbaiMr8lFFGtJ0nd+U5EM+Dq8voUwZ1tWak=; b=YjXg/hYqvveWow9SwnJ1sQvLgD DXvuLDPonU5DNamcqwfvNY6Qj9h0+mayDi8b3xp9AMWjWCGspb24pLD+BRHIiUryvRogt0sr8e0Fa zhT+ecEvxDTZE1sdb0obmeAhzYI+Wlgolu5tUrOQQdiPQY6UoAfkIc0JXoeAfqrRHxeU32t6e0Wtp WwMd+6x4/1Jk0SCSuoqW8+wHWCJU009ajBxjGmt1i9MMbjw81EzYyKToSNHUh8G46h9jlAO/O9lhv /Er3VgChmh9Qiidt72HOaCr1fzupazran6d147/7+Gm2aK0pE3SsNiP0g31h/G7BGVkhefn1TLxIj WskL1CxQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sfSYg-0000000Fqih-2xpI; Sat, 17 Aug 2024 23:10:06 +0000 Received: from fhigh1-smtp.messagingengine.com ([103.168.172.152]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sfSV4-0000000Fq1N-2m01 for linux-arm-kernel@lists.infradead.org; Sat, 17 Aug 2024 23:06:24 +0000 Received: from phl-compute-03.internal (phl-compute-03.nyi.internal [10.202.2.43]) by mailfhigh.nyi.internal (Postfix) with ESMTP id 07413114E9CF; Sat, 17 Aug 2024 19:06:22 -0400 (EDT) Received: from phl-mailfrontend-01 ([10.202.2.162]) by phl-compute-03.internal (MEProxy); Sat, 17 Aug 2024 19:06:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=testtoast.com; h=cc:cc:content-transfer-encoding:content-type:date:date:from :from:in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to; s=fm3; t=1723935982; x= 1724022382; bh=YwPvf6AeJbaiMr8lFFGtJ0nd+U5EM+Dq8voUwZ1tWak=; b=T 6Nx/7mlkvNSl7WS7n0nObL5SQ3jdSw8bKt6deYKni2hXIz+y1FvIl6TcpNN5G62/ UeiTuUuyZU9p47jYHFQhmfpw5n5xqqo+Vo0s5AovXmuUxFUj8XeeoB14d0wFpMHh Iw2DyzOqt17kt3fJtIw8dCGjroMEhBWfzx0AW2Ml4HyuZthEhYJ3oBEDHgcUAwpm CjZw1/TmNlAALbW1tGCu4ZwUQ4hLMr1MpzzCQ7JhG55hSJLpZ8oQNIokPt9zsUdx EvX/irqfz45Zx/9+fsGe6DQs4em/WttYsZPNqEKkbnDV3j0EBcdQRyI/HhqRPrVa w8ewI7EqDc04xZ4xoDJTQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1723935982; x= 1724022382; bh=YwPvf6AeJbaiMr8lFFGtJ0nd+U5EM+Dq8voUwZ1tWak=; b=c 2cnee3YlXvy4J4rwdi9wDzeeVKKbbReJ/XyJ72gdAu1b4Bvkyz1iGSJMtsJGAFZ3 bx3klaBY1r5Mj+uLA08VxPzvTf6hvmFntE8RxXfxHLwWF65wwINQe86GotFlkcwn Ex//WK/qWM0GzA4EtSQ5RROuiTqasokVXJsO65ZKNag6QjHgT4KtH8xQ0YDJ6gUC TEwA9Dn2/GfKOB2K1cBRrKOBEJWq1p1OvfxoL7TMQQT+8VzaXUy4UXTKski0i4sy Aa2dYPKh02K1fuHBEZb71cfprpHxTMwLhq72fhsvDERpPvEk1a7bQxNjJ8eNkO3L DUUlVmJl4K5sPHLEqNguQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeftddrudduuddgudejucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggvpdfu rfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnh htshculddquddttddmnecujfgurhephffvvefufffkofgjfhgggfestdekredtredttden ucfhrhhomheptfihrghnucghrghlkhhlihhnuceorhihrghnsehtvghsthhtohgrshhtrd gtohhmqeenucggtffrrghtthgvrhhnpeffheeiffegtdfgffejteevgeefkeelieelkeev ueetffetteduffevgeeiieehteenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmh epmhgrihhlfhhrohhmpehrhigrnhesthgvshhtthhorghsthdrtghomhdpnhgspghrtghp thhtohepvddvpdhmohguvgepshhmthhpohhuthdprhgtphhtthhopehmrhhiphgrrhguse hkvghrnhgvlhdrohhrghdprhgtphhtthhopeifvghnshestghsihgvrdhorhhgpdhrtghp thhtohepmhgrrghrthgvnhdrlhgrnhhkhhhorhhstheslhhinhhugidrihhnthgvlhdrtg homhdprhgtphhtthhopehtiihimhhmvghrmhgrnhhnsehsuhhsvgdruggvpdhrtghpthht oheprghirhhlihgvugesghhmrghilhdrtghomhdprhgtphhtthhopegurghnihgvlhesfh hffihllhdrtghhpdhrtghpthhtohepjhgvrhhnvghjrdhskhhrrggsvggtsehgmhgrihhl rdgtohhmpdhrtghpthhtohepshgrmhhuvghlsehshhholhhlrghnugdrohhrghdprhgtph htthhopehrohgshheskhgvrhhnvghlrdhorhhg X-ME-Proxy: Feedback-ID: idc0145fc:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 17 Aug 2024 19:06:14 -0400 (EDT) From: Ryan Walklin To: Maxime Ripard , Chen-Yu Tsai , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Jernej Skrabec , Samuel Holland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd Cc: Andre Przywara , Chris Morgan , John Watts , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, Ryan Walklin Subject: [PATCH v3 06/26] drm: sun4i: de3: add format enumeration function to engine Date: Sun, 18 Aug 2024 10:45:53 +1200 Message-ID: <20240817230503.158889-7-ryan@testtoast.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240817230503.158889-1-ryan@testtoast.com> References: <20240817230503.158889-1-ryan@testtoast.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240817_160622_873549_1B328284 X-CRM114-Status: GOOD ( 12.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Jernej Skrabec The DE3 display engine supports YUV formats in addition to RGB. Add an optional format enumeration function to the engine. Signed-off-by: Jernej Skrabec Signed-off-by: Ryan Walklin --- drivers/gpu/drm/sun4i/sunxi_engine.h | 29 ++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sunxi_engine.h b/drivers/gpu/drm/sun4i/sunxi_engine.h index ec0c4932f15cf..c48cbc1aceb80 100644 --- a/drivers/gpu/drm/sun4i/sunxi_engine.h +++ b/drivers/gpu/drm/sun4i/sunxi_engine.h @@ -123,6 +123,17 @@ struct sunxi_engine_ops { */ void (*mode_set)(struct sunxi_engine *engine, const struct drm_display_mode *mode); + + /** + * @get_supported_fmts + * + * This callback is used to enumerate all supported output + * formats by the engine. They are used for bridge format + * negotiation. + * + * This function is optional. + */ + u32 *(*get_supported_fmts)(struct sunxi_engine *engine, u32 *num); }; /** @@ -215,4 +226,22 @@ sunxi_engine_mode_set(struct sunxi_engine *engine, if (engine->ops && engine->ops->mode_set) engine->ops->mode_set(engine, mode); } + +/** + * sunxi_engine_get_supported_formats - Provide array of supported formats + * @engine: pointer to the engine + * @num: pointer to variable, which will hold number of formats + * + * This list can be used for format negotiation by bridge. + */ +static inline u32 * +sunxi_engine_get_supported_formats(struct sunxi_engine *engine, u32 *num) +{ + if (engine->ops && engine->ops->get_supported_fmts) + return engine->ops->get_supported_fmts(engine, num); + + *num = 0; + + return NULL; +} #endif /* _SUNXI_ENGINE_H_ */