From patchwork Sat Sep 21 09:45:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Walklin X-Patchwork-Id: 13808813 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 8F8ADCF9C64 for ; Sat, 21 Sep 2024 09:53:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A4B210E184; Sat, 21 Sep 2024 09:53:03 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=testtoast.com header.i=@testtoast.com header.b="4GE8xID2"; dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b="UiBUfRW5"; dkim-atps=neutral Received: from fout6-smtp.messagingengine.com (fout6-smtp.messagingengine.com [103.168.172.149]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4EAEE10E184 for ; Sat, 21 Sep 2024 09:53:02 +0000 (UTC) Received: from phl-compute-12.internal (phl-compute-12.phl.internal [10.202.2.52]) by mailfout.phl.internal (Postfix) with ESMTP id B15621380307; Sat, 21 Sep 2024 05:53:01 -0400 (EDT) Received: from phl-mailfrontend-01 ([10.202.2.162]) by phl-compute-12.internal (MEProxy); Sat, 21 Sep 2024 05:53:01 -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=fm2; t=1726912381; x= 1726998781; bh=3QPNGe1zZiKhzuTyCeTHAjPsIfSM0kDD9Pg1n81Bevg=; b=4 GE8xID2hdln35xOqEq/AcYHgYBvva3nO7OwEx1W1d5W5N2PM9wqbNoqlLRGTyW7P idVU69rtYECNZEu17svMM22jJX3iQyYC2ahRh9Tq1pBm0THQYJ6Rg6ZThmahWaG7 EzzVuqs0rPmuRvSdL5n2yURJB5YqN/ICAMY3iUe2WaKDE2HYAcXnpwW3RtHaTXco Ai1erHpIlX+PWw6K6b+kwawePW4z/D783QOHwtoqylUu3xMeLI57aNTGm9Dyz3Ec T+ft3ePPMk+VSOBd1ViYuBmiQIus4mNwRGBmFOk7KTd5ruKXp66KF/tJb3HqZakA CKYWhNy9nj+YFrBaiATxQ== 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=fm2; t=1726912381; x= 1726998781; bh=3QPNGe1zZiKhzuTyCeTHAjPsIfSM0kDD9Pg1n81Bevg=; b=U iBUfRW50ZwClif6HF0PznhjQPqeHx04X46+i+Jr3dWK2MPumwD6o5t4yB8w+jTMZ v9ALelBkwvHXjeCJO8KR0FiHL9l0nqXs3VTfelsoc+nKzlihkoPeU4lhPZP15md4 b7LHf53elkFejV8Z+otcjj1mnQSFM9JwlzfRNMIhXsRGCwMjkrbRZ2YYNkr58WNX 2FsfVyjD6O9npAWAiWDAlcnyai45C/U+bUcEt1iZ8672pjBIV2P+H103IdIkLrjH hbMHS2Jiy34CgBI7EgZna0JwMz0ifxi5qb354D05ZTmtAwnWJEw7bZSCu7NbgTdT lwwlVzLGd381+64Q7xvsA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeftddrudelhedgvdduucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggvpdfu rfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnh htshculddquddttddmnecujfgurhephffvvefufffkofgjfhgggfestdekredtredttden ucfhrhhomheptfihrghnucghrghlkhhlihhnuceorhihrghnsehtvghsthhtohgrshhtrd gtohhmqeenucggtffrrghtthgvrhhnpeffheeiffegtdfgffejteevgeefkeelieelkeev ueetffetteduffevgeeiieehteenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmh 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, 21 Sep 2024 05:52:55 -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 v4 06/26] drm: sun4i: de3: add format enumeration function to engine Date: Sat, 21 Sep 2024 21:45:55 +1200 Message-ID: <20240921095153.213568-7-ryan@testtoast.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20240921095153.213568-1-ryan@testtoast.com> References: <20240921095153.213568-1-ryan@testtoast.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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_ */