From patchwork Fri Dec 13 15:58:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Pietrasiewicz X-Patchwork-Id: 11291433 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 27A142981 for ; Fri, 13 Dec 2019 21:25:00 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 696B6246BA for ; Fri, 13 Dec 2019 21:24:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 696B6246BA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 45E606E9B2; Fri, 13 Dec 2019 15:59:27 +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 505CD6E9B2 for ; Fri, 13 Dec 2019 15:59:24 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: andrzej.p) with ESMTPSA id BC538292D25 From: Andrzej Pietrasiewicz To: dri-devel@lists.freedesktop.org Subject: [PATCHv4 11/36] drm/komeda: Explicitly require 1 plane for AFBC Date: Fri, 13 Dec 2019 16:58:42 +0100 Message-Id: <20191213155907.16581-12-andrzej.p@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191213155907.16581-1-andrzej.p@collabora.com> References: <20191213155907.16581-1-andrzej.p@collabora.com> 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: , Cc: Ayan Halder , kernel@collabora.com, David Airlie , Liviu Dudau , Sandy Huang , Andrzej Pietrasiewicz , James Wang , Mihail Atanassov , Sean Paul MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Apparently komeda silently assumes that there is only 1 plane in an AFBC buffer. Make this assumption explicit. Signed-off-by: Andrzej Pietrasiewicz --- drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c index ce96389e3c40..157b73005ef8 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c @@ -170,6 +170,11 @@ komeda_fb_create(struct drm_device *dev, struct drm_file *file, info = kfb->base.format; if (kfb->base.modifier) { + if (info->num_planes != 1) { + DRM_DEBUG_KMS("AFBC requires exactly 1 plane.\n"); + kfree(kfb); + return ERR_PTR(-EINVAL); + } ret = komeda_fb_afbc_size_check(kfb, info, file, mode_cmd); } else { if (komeda_fb_check_src_coords(kfb, 0, 0, kfb->base.width,