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 8CAA4C433EF for ; Tue, 28 Jun 2022 02:32:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245304AbiF1CcA (ORCPT ); Mon, 27 Jun 2022 22:32:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244685AbiF1C1r (ORCPT ); Mon, 27 Jun 2022 22:27:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 394C925E9E; Mon, 27 Jun 2022 19:25:28 -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 C3A6861922; Tue, 28 Jun 2022 02:25:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5435C341CD; Tue, 28 Jun 2022 02:25:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656383127; bh=ad2FX3ZQroRMSFtiEC/UDm+xiK8OJDZ67Y/c7byKK68=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KE3J2rFPVJ6+8UxZUTat0idncT2MymAJs3Z0RxPUkyAva74iwOV/Fn86/JgebaD4+ N+7hg295Khp9Mbya4yWBenoqFRmSYEGdACuvh/x6jaazWwVafIe041yYAg6xcRU5TL v2evOnJ+gBpIHjT2BYPkBoTptO8fccvOXO0moIQsOkLzRIm7LE/eHdQPOqBccfthpH MqWR5GIqeDKJtWBCQS59AkVb8Kla62Kv0lMtVcCvkFn6mFgtFEyddTpc1SiWrEkiJ7 eWYyWRpRuicHzvm5FHBAqeD5C79BUQzU+tGMTe9xgEvvHzWSAvjno5ReCipHs8XDdS Wt9+k+pz22HjA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Maxime Ripard , Melissa Wen , Sasha Levin , emma@anholt.net, mripard@kernel.org, airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.19 04/22] drm/vc4: crtc: Use an union to store the page flip callback Date: Mon, 27 Jun 2022 22:24:59 -0400 Message-Id: <20220628022518.596687-4-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220628022518.596687-1-sashal@kernel.org> References: <20220628022518.596687-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 5615ceb15708..9152d4d9c5d7 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -823,17 +823,17 @@ struct vc4_async_flip_state { struct drm_framebuffer *old_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); @@ -872,6 +872,14 @@ 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 @@ -942,8 +950,8 @@ static int vc4_async_page_flip(struct drm_crtc *crtc, */ drm_atomic_set_fb_for_plane(plane->state, 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