From patchwork Mon Jun 3 16:56:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Helen Mae Koike Fornazier X-Patchwork-Id: 10973361 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 14B4E6C5 for ; Mon, 3 Jun 2019 16:56:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F333828658 for ; Mon, 3 Jun 2019 16:56:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E784D2873A; Mon, 3 Jun 2019 16:56:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A225928658 for ; Mon, 3 Jun 2019 16:56:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EB57E892BD; Mon, 3 Jun 2019 16:56:56 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by gabe.freedesktop.org (Postfix) with ESMTPS id AFBCC892BD for ; Mon, 3 Jun 2019 16:56:55 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: koike) with ESMTPSA id 7B3C0284AD8 From: Helen Koike To: dri-devel@lists.freedesktop.org, nicholas.kazlauskas@amd.com Subject: [PATCH v4 4/5] drm/vc4: fix fb references in async update Date: Mon, 3 Jun 2019 13:56:09 -0300 Message-Id: <20190603165610.24614-5-helen.koike@collabora.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190603165610.24614-1-helen.koike@collabora.com> References: <20190603165610.24614-1-helen.koike@collabora.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?St=C3=A9phane_Marchesin?= , Sean Paul , David Airlie , daniel.vetter@ffwll.ch, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Tomasz Figa , Helen Koike , boris.brezillon@collabora.com, kernel@collabora.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Async update callbacks are expected to set the old_fb in the new_state so prepare/cleanup framebuffers are balanced. Calling drm_atomic_set_fb_for_plane() (which gets a reference of the new fb and put the old fb) is not required, as it's taken care by drm_mode_cursor_universal() when calling drm_atomic_helper_update_plane(). Cc: # v4.19+ Fixes: 539c320bfa97 ("drm/vc4: update cursors asynchronously through atomic") Suggested-by: Boris Brezillon Signed-off-by: Helen Koike Reviewed-by: Boris Brezillon --- Hello, I tested on a Raspberry Pi model B rev2 with igt plane_cursor_legacy and kms_cursor_legacy and I didn't see any regressions. Changes in v4: None Changes in v3: None Changes in v2: - Added reviewed-by tag - updated CC stable and Fixes tag drivers/gpu/drm/vc4/vc4_plane.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index be2274924b34..441e06d45c89 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -1020,7 +1020,7 @@ static void vc4_plane_atomic_async_update(struct drm_plane *plane, { struct vc4_plane_state *vc4_state, *new_vc4_state; - drm_atomic_set_fb_for_plane(plane->state, state->fb); + swap(plane->state->fb, state->fb); plane->state->crtc_x = state->crtc_x; plane->state->crtc_y = state->crtc_y; plane->state->crtc_w = state->crtc_w;