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[2620:137:e000::1:20]) by mx.google.com with ESMTP id gl11-20020a170906e0cb00b00996d0a9b50csi6434764ejb.234.2023.08.30.12.07.52; Wed, 30 Aug 2023 12:08:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232571AbjH3TEG (ORCPT + 99 others); Wed, 30 Aug 2023 15:04:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245640AbjH3Ppw (ORCPT ); Wed, 30 Aug 2023 11:45:52 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 16E88132 for ; Wed, 30 Aug 2023 08:45:48 -0700 (PDT) Received: from loongson.cn (unknown [10.20.42.43]) by gateway (Coremail) with SMTP id _____8Cx7+sqZO9kmyEdAA--.58305S3; Wed, 30 Aug 2023 23:45:46 +0800 (CST) Received: from openarena.loongson.cn (unknown [10.20.42.43]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxviMqZO9kjVRnAA--.12491S4; Wed, 30 Aug 2023 23:45:46 +0800 (CST) From: Sui Jingfeng To: Patrik Jakobsson , David Airlie , Daniel Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] drm/gma500: Print the start address of the GTT Date: Wed, 30 Aug 2023 23:45:45 +0800 Message-Id: <20230830154546.499987-3-suijingfeng@loongson.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230830154546.499987-1-suijingfeng@loongson.cn> References: <20230830154546.499987-1-suijingfeng@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxviMqZO9kjVRnAA--.12491S4 X-CM-SenderInfo: xvxlyxpqjiv03j6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBj9xXoW7GrW5WF4fWw1xurWxZF1UJwc_yoWfXFXEga yUArZxGryqkFs8GFs7Zrs5AFy2ya4avF4vvan2qa43Gr98Ar17X34jgF95X3yxXa17KFnr JwnrXF10kFsFkosvyTuYvTs0mTUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUb7xYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_JF0_JFyl8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwA2z4x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ Cr1j6rxdM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx1l5I 8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv67AK xVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64 vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8G jcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2I x0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK 8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I 0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07j5l1kUUUUU= X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1775682193810158761 X-GMAIL-MSGID: 1775682193810158761 The PGTBL_CTL register provides the starting physical memory address of the Graphics Translation Table (GTT). We want to see what's the value in it. This patch is useful for debug. Signed-off-by: Sui Jingfeng --- drivers/gpu/drm/gma500/gtt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index 379bc218aa6b..112418301866 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -243,6 +243,8 @@ static void psb_gtt_init_ranges(struct drm_psb_private *dev_priv) gtt_mem = &pdev->resource[PSB_GATT_RESOURCE]; } + drm_info(dev, "Phys start of GTT: 0x%llx\n", (u64)gtt_phys_start); + pg->gtt_phys_start = gtt_phys_start; pg->mmu_gatt_start = mmu_gatt_start; pg->gtt_start = gtt_start;