From patchwork Fri Jan 15 12:56:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 12022635 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D17EC43331 for ; Fri, 15 Jan 2021 12:58:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E4B8723359 for ; Fri, 15 Jan 2021 12:58:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732728AbhAOM6q (ORCPT ); Fri, 15 Jan 2021 07:58:46 -0500 Received: from new1-smtp.messagingengine.com ([66.111.4.221]:58477 "EHLO new1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732364AbhAOM6p (ORCPT ); Fri, 15 Jan 2021 07:58:45 -0500 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailnew.nyi.internal (Postfix) with ESMTP id B71845807AE; Fri, 15 Jan 2021 07:57:20 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Fri, 15 Jan 2021 07:57:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm1; bh=20G+8AUDU22Sj rSt9y/AHmfbcg6/OsfMLbojwU1KxMk=; b=GhsLhN2/szyLFn5d5Tb0XzfOyLiNb d+SL3mbsRnNzFfzDC2K8MD1GHi1UcnWahAFyV+aki0mvFZrrDYKidBSjE9uRNg3K +ELucy1OQGCMnvUwy5x/jHFO55D4FbwAc1/xSCkEgixycsT9oFjghZt5AFCsF2xy 1o5WByvvujxz5yJ12ez1C1WwjLNbx6spS9zZUPzTs246W8Ns50f65nbZZPQdqMKo ocMwXdBgBheNS/3XyN16gtatLXSETq5nrUEbSoHNwH5etBxRY3fuw6TBuFmksbiz /pRHW6opAEVZjrHGp/5I0yD0v/6C4/oqwpAB07V2hdjDk5TQUWbzNgFdg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=20G+8AUDU22SjrSt9y/AHmfbcg6/OsfMLbojwU1KxMk=; b=pOzQZXTh 4ZbBQ7izLFNhvslsa3Vm4OoyljHVe2j7oFdETCmcW1NkWN20Z+VFrgwPLLo02N76 76VcMWOMhKQ/5AFJKpsLGVWaD2s4xg/pzLkMOfwxMub3Q0DVdwPm4Lpa5RzvpvUc LcWXpUtGa9jvF21t4TOag2u4XF4na34oKfDGlRc9XFFG/dobT3N59e8CLERvpHap 6Cmr7IPsfDVHIpZlforhTazajsxsz3ILDMWIFLql+SLsUN+f+gb08kjAJWvQZTV1 0cjnjRL+esiyTUULBTekxk7Sm4RnvwjxYq51Tya9R+O3apYQjTxPpopcCu4LtA1Q 01zQRjumf7bQzg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrtddvgddvvdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepofgrgihimhgv ucftihhprghrugcuoehmrgigihhmvgestggvrhhnohdrthgvtghhqeenucggtffrrghtth gvrhhnpedvkeelveefffekjefhffeuleetleefudeifeehuddugffghffhffehveevheeh vdenucfkphepledtrdekledrieekrdejieenucevlhhushhtvghrufhiiigvpeehnecurf grrhgrmhepmhgrihhlfhhrohhmpehmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Received: from localhost (lfbn-tou-1-1502-76.w90-89.abo.wanadoo.fr [90.89.68.76]) by mail.messagingengine.com (Postfix) with ESMTPA id 45B5B1080059; Fri, 15 Jan 2021 07:57:20 -0500 (EST) From: Maxime Ripard To: Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard , Daniel Vetter , David Airlie Cc: dri-devel@lists.freedesktop.org, Philipp Zabel , Daniel Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Rob Clark , Sean Paul , Jyri Sarha , Tomi Valkeinen , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org Subject: [PATCH 06/10] drm: Use state helper instead of plane state pointer in atomic_check Date: Fri, 15 Jan 2021 13:56:58 +0100 Message-Id: <20210115125703.1315064-6-maxime@cerno.tech> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210115125703.1315064-1-maxime@cerno.tech> References: <20210115125703.1315064-1-maxime@cerno.tech> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Many drivers reference the plane->state pointer in order to get the current plane state in their atomic_check hook, which would be the old plane state in the global atomic state since _swap_state hasn't happened when atomic_check is run. Use the drm_atomic_get_old_plane_state helper to get that state to make it more obvious. This was made using the coccinelle script below: @ plane_atomic_func @ identifier helpers; identifier func; @@ static struct drm_plane_helper_funcs helpers = { ..., .atomic_check = func, ..., }; @ replaces_old_state @ identifier plane_atomic_func.func; identifier plane, state, plane_state; @@ func(struct drm_plane *plane, struct drm_atomic_state *state) { ... - struct drm_plane_state *plane_state = plane->state; + struct drm_plane_state *plane_state = drm_atomic_get_old_plane_state(state, plane); ... } @@ identifier plane_atomic_func.func; identifier plane, state, plane_state; @@ func(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *plane_state = drm_atomic_get_old_plane_state(state, plane); ... - plane->state + plane_state ... } @ adds_old_state @ identifier plane_atomic_func.func; identifier plane, state; @@ func(struct drm_plane *plane, struct drm_atomic_state *state) { + struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane); ... - plane->state + old_plane_state ... } @ include depends on adds_old_state || replaces_old_state @ @@ #include @ no_include depends on !include && (adds_old_state || replaces_old_state) @ @@ + #include #include Signed-off-by: Maxime Ripard --- drivers/gpu/drm/imx/ipuv3-plane.c | 3 ++- drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c | 4 +++- drivers/gpu/drm/tilcdc/tilcdc_plane.c | 3 ++- 3 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index bf8058bb8206..6b49688652f0 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -348,7 +348,8 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, { struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); - struct drm_plane_state *old_state = plane->state; + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, + plane); struct drm_crtc_state *crtc_state; struct device *dev = plane->dev->dev; struct drm_framebuffer *fb = new_state->fb; diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c index 4aac6217a5ad..6ce6ce09fecc 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c @@ -406,12 +406,14 @@ static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state, static int mdp5_plane_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state) { + struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, + plane); struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); struct drm_crtc *crtc; struct drm_crtc_state *crtc_state; - crtc = new_plane_state->crtc ? new_plane_state->crtc : plane->state->crtc; + crtc = new_plane_state->crtc ? new_plane_state->crtc : old_plane_state->crtc; if (!crtc) return 0; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_plane.c b/drivers/gpu/drm/tilcdc/tilcdc_plane.c index ebdd42dcaf82..c86258132432 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_plane.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_plane.c @@ -26,7 +26,8 @@ static int tilcdc_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); struct drm_crtc_state *crtc_state; - struct drm_plane_state *old_state = plane->state; + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, + plane); unsigned int pitch; if (!new_state->crtc)