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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E30CC433E1 for ; Wed, 8 Jul 2020 07:49:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 09EF720786 for ; Wed, 8 Jul 2020 07:49:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726145AbgGHHtQ (ORCPT ); Wed, 8 Jul 2020 03:49:16 -0400 Received: from mx2.suse.de ([195.135.220.15]:36412 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725937AbgGHHtP (ORCPT ); Wed, 8 Jul 2020 03:49:15 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3B24EAF7A; Wed, 8 Jul 2020 07:49:15 +0000 (UTC) From: Thomas Zimmermann To: airlied@redhat.com, daniel@ffwll.ch, sam@ravnborg.org, noralf@tronnes.org, emil.l.velikov@gmail.com, yc_chen@aspeedtech.com Cc: dri-devel@lists.freedesktop.org, Thomas Zimmermann , Joel Stanley , Benjamin Herrenschmidt , Gerd Hoffmann , Daniel Vetter , stable@vger.kernel.org Subject: [PATCH 5/6] drm/ast: Initialize DRAM type before posting GPU Date: Wed, 8 Jul 2020 09:49:11 +0200 Message-Id: <20200708074912.25422-6-tzimmermann@suse.de> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200708074912.25422-1-tzimmermann@suse.de> References: <20200708074912.25422-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Posting the GPU requires the correct DRAM type to be stored in struct ast_private. Therefore first initialize the DRAM info and then post the GPU. This restores the original order of instructions in this function. Signed-off-by: Thomas Zimmermann Fixes: bad09da6deab ("drm/ast: Fixed vram size incorrect issue on POWER") Cc: Joel Stanley Cc: Y.C. Chen Cc: Benjamin Herrenschmidt Cc: Dave Airlie Cc: Thomas Zimmermann Cc: Gerd Hoffmann Cc: Daniel Vetter Cc: Sam Ravnborg Cc: Emil Velikov Cc: "Y.C. Chen" Cc: # v4.11+ --- drivers/gpu/drm/ast/ast_main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index b162cc82204d..87e5baded2a7 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -418,15 +418,15 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags) ast_detect_chip(dev, &need_post); - if (need_post) - ast_post_gpu(dev); - ret = ast_get_dram_info(dev); if (ret) goto out_free; drm_info(dev, "dram MCLK=%u Mhz type=%d bus_width=%d\n", ast->mclk, ast->dram_type, ast->dram_bus_width); + if (need_post) + ast_post_gpu(dev); + ret = ast_mm_init(ast); if (ret) goto out_free; -- 2.27.0