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 786E2C71133 for ; Fri, 25 Aug 2023 13:23:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245077AbjHYNWm (ORCPT ); Fri, 25 Aug 2023 09:22:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244157AbjHYNWe (ORCPT ); Fri, 25 Aug 2023 09:22:34 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB1B32107 for ; Fri, 25 Aug 2023 06:22:31 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id a640c23a62f3a-99cce6f7de2so112061766b.3 for ; Fri, 25 Aug 2023 06:22:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1692969750; x=1693574550; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=G/49YrZqjNimW06cF+vnlS/a15tY0huxh3tp9jjiGD8=; b=hLgoXa/3gicDXJ9UA0YdWtUO80OR8JXJ66SCx+TXsal85sBzoFLnbabUuI/MrETyrd nmLk9o+nyQZuNN8MCOTnpxD/KcwbU46nrSbjvZ9+MuN7F0NaF9CSTqlOklw5+gE8FVu1 uX7tnJ5q+fKpEijPaNj3PUU1Zp0NbrAEpE5WX6t8Xm+5xCBZcBV5BmDk3CGNYpG+ezZK j4/uDIh7S9Esuh9sWLHcwmyq0pmeDmuKio2ulbjwVumWzDUYPpEXSwa0g36w0KVMIBym wFQjmsT9/BU1jC+oMCvkyVAKkVIREG6Ir7iZ/+nnNel7wdaDxL59C6M/c/b11f/j5QrP jucg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692969750; x=1693574550; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=G/49YrZqjNimW06cF+vnlS/a15tY0huxh3tp9jjiGD8=; b=la5wa8HjA+xJ7IS9ViIakdXPYiG5RG3y0yxQnGl5DQfOVXNGigcRpzRrZVfKkLymkq gocZXTEykxGkMshmoNIrQvKY6UB6HjtXrgufhqnQ296DVlapcMSxQ2D3vs+dn58fbmxw a+LFWgZTglddih5N7BhewA4uv8Q+auw+uDUR9dmEdpv2nZlPkfNvjXsNaaNsnJyOwbjl q/F95MFb5RRCfK1AiW4wOK7JjaHbxW8EkJcEq2otoE9rD3A0fk2brQWqbYUZLI9ZfU4g ReaTOcpTyirguHPV82YUThJEk7O0yVn2qTRHAcxERdFPO3p7z6V3UKzNE0+Bi3HOiyEe t7iQ== X-Gm-Message-State: AOJu0Yx+NAs4xb5D7mkaPpQFN/6BtnyLOwcwJ1iydqOKjWjR3hYXIvk9 xA7tCN6DxKb/QRMRsWIoUGM= X-Google-Smtp-Source: AGHT+IHiPTg8Yu9UyjHFcEcRp7nIs2XpiN6eegnfnsUN8QcgbybMaw3YR2oSAUPJ9uJ6EDI8vm1mLA== X-Received: by 2002:a17:906:220f:b0:9a3:faf:7aa8 with SMTP id s15-20020a170906220f00b009a30faf7aa8mr2478509ejs.10.1692969749976; Fri, 25 Aug 2023 06:22:29 -0700 (PDT) Received: from localhost (p200300e41f1bd600f22f74fffe1f3a53.dip0.t-ipconnect.de. [2003:e4:1f1b:d600:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id d5-20020a1709067f0500b0099b7276235esm961691ejr.93.2023.08.25.06.22.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Aug 2023 06:22:29 -0700 (PDT) From: Thierry Reding To: Thierry Reding Cc: Jon Hunter , dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org Subject: [PATCH] drm/tegra: Remove existing framebuffer only if we support display Date: Fri, 25 Aug 2023 15:22:29 +0200 Message-ID: <20230825132229.1109445-1-thierry.reding@gmail.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Thierry Reding Tegra DRM doesn't support display on Tegra234 and later, so make sure not to remove any existing framebuffers in that case. Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/drm.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index b1e1a78e30c6..7a38dadbc264 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -1220,9 +1220,11 @@ static int host1x_drm_probe(struct host1x_device *dev) drm_mode_config_reset(drm); - err = drm_aperture_remove_framebuffers(&tegra_drm_driver); - if (err < 0) - goto hub; + if (drm->mode_config.num_crtc > 0) { + err = drm_aperture_remove_framebuffers(&tegra_drm_driver); + if (err < 0) + goto hub; + } err = drm_dev_register(drm, 0); if (err < 0) -- 2.41.0