From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12EF3C32771 for ; Mon, 26 Sep 2022 10:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233443AbiIZKOS (ORCPT ); Mon, 26 Sep 2022 06:14:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235033AbiIZKNs (ORCPT ); Mon, 26 Sep 2022 06:13:48 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A582F73; Mon, 26 Sep 2022 03:13:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C878D60AF2; Mon, 26 Sep 2022 10:13:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7885C433D6; Mon, 26 Sep 2022 10:13:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1664187226; bh=De71Q6KPiXPBoR+9AleU9zxny28K3+huMQeadpr9NMc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c/ysXU9bzhE8w4b8wPuYsJWOYqjJSf2/H2QPZyOq4bLCJmIc1dkmrSyjQqkrLwyiy AP7r0re+rrQbnsy8nqz/Et8UtDe9vTXxHcmhGjz7SY4kFau5KzrKF+UWIHUdtrYlRd bKtDbtMY1QCECXdsI8E8KKHMHwJKXi/2RQ2ToET0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Melissa Wen , Maxime Ripard , Sasha Levin Subject: [PATCH 4.9 03/30] drm/vc4: crtc: Use an union to store the page flip callback Date: Mon, 26 Sep 2022 12:11:34 +0200 Message-Id: <20220926100736.283415181@linuxfoundation.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220926100736.153157100@linuxfoundation.org> References: <20220926100736.153157100@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maxime Ripard [ Upstream commit 2523e9dcc3be91bf9fdc0d1e542557ca00bbef42 ] We'll need to extend the vc4_async_flip_state structure to rely on another callback implementation, so let's move the current one into a union. Reviewed-by: Melissa Wen Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20220610115149.964394-10-maxime@cerno.tech Signed-off-by: Sasha Levin --- drivers/gpu/drm/vc4/vc4_crtc.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 51d34e7275ab..9d97f535a4d6 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -717,17 +717,17 @@ struct vc4_async_flip_state { struct drm_framebuffer *fb; struct drm_pending_vblank_event *event; - struct vc4_seqno_cb cb; + union { + struct vc4_seqno_cb seqno; + } cb; }; /* Called when the V3D execution for the BO being flipped to is done, so that * we can actually update the plane's address to point to it. */ static void -vc4_async_page_flip_complete(struct vc4_seqno_cb *cb) +vc4_async_page_flip_complete(struct vc4_async_flip_state *flip_state) { - struct vc4_async_flip_state *flip_state = - container_of(cb, struct vc4_async_flip_state, cb); struct drm_crtc *crtc = flip_state->crtc; struct drm_device *dev = crtc->dev; struct vc4_dev *vc4 = to_vc4_dev(dev); @@ -749,6 +749,14 @@ vc4_async_page_flip_complete(struct vc4_seqno_cb *cb) up(&vc4->async_modeset); } +static void vc4_async_page_flip_seqno_complete(struct vc4_seqno_cb *cb) +{ + struct vc4_async_flip_state *flip_state = + container_of(cb, struct vc4_async_flip_state, cb.seqno); + + vc4_async_page_flip_complete(flip_state); +} + /* Implements async (non-vblank-synced) page flips. * * The page flip ioctl needs to return immediately, so we grab the @@ -794,8 +802,8 @@ static int vc4_async_page_flip(struct drm_crtc *crtc, drm_atomic_set_fb_for_plane(plane->state, fb); plane->fb = fb; - vc4_queue_seqno_cb(dev, &flip_state->cb, bo->seqno, - vc4_async_page_flip_complete); + vc4_queue_seqno_cb(dev, &flip_state->cb.seqno, bo->seqno, + vc4_async_page_flip_seqno_complete); /* Driver takes ownership of state on successful async commit. */ return 0; -- 2.35.1