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=-6.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 A5D24C04EB8 for ; Wed, 12 Dec 2018 13:21:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 75ED52084E for ; Wed, 12 Dec 2018 13:21:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 75ED52084E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727675AbeLLNV1 (ORCPT ); Wed, 12 Dec 2018 08:21:27 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40580 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727614AbeLLNVU (ORCPT ); Wed, 12 Dec 2018 08:21:20 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D458085550; Wed, 12 Dec 2018 13:21:19 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-117-174.ams2.redhat.com [10.36.117.174]) by smtp.corp.redhat.com (Postfix) with ESMTP id 475A81054FD9; Wed, 12 Dec 2018 13:21:14 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id CCAF95E195; Wed, 12 Dec 2018 14:21:11 +0100 (CET) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Cc: spice-devel@redhat.com, Gerd Hoffmann , Dave Airlie , David Airlie , virtualization@lists.linux-foundation.org (open list:DRM DRIVER FOR QXL VIRTUAL GPU), spice-devel@lists.freedesktop.org (open list:DRM DRIVER FOR QXL VIRTUAL GPU), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 15/18] drm/qxl: use qxl_num_crtc directly Date: Wed, 12 Dec 2018 14:21:06 +0100 Message-Id: <20181212132109.8126-16-kraxel@redhat.com> In-Reply-To: <20181212132109.8126-1-kraxel@redhat.com> References: <20181212132109.8126-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Wed, 12 Dec 2018 13:21:19 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org qdev->monitors_config->max_allowed is effectively set by the qxl.num_heads module parameter, stored in the qxl_num_crtc variable. Lets get rid of the indirection and use the variable qxl_num_crtc directly. The kernel doesn't need to dereference pointers each time it needs the value, and when reading the code you don't have to trace where and why qdev->monitors_config->max_allowed is set. Signed-off-by: Gerd Hoffmann --- drivers/gpu/drm/qxl/qxl_display.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index fc88826b69..6ea5d031d0 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -80,10 +80,10 @@ static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) DRM_DEBUG_KMS("no client monitors configured\n"); return status; } - if (num_monitors > qdev->monitors_config->max_allowed) { + if (num_monitors > qxl_num_crtc) { DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", - qdev->monitors_config->max_allowed, num_monitors); - num_monitors = qdev->monitors_config->max_allowed; + qxl_num_crtc, num_monitors); + num_monitors = qxl_num_crtc; } else { num_monitors = qdev->rom->client_monitors_config.count; } @@ -96,8 +96,7 @@ static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) return status; } /* we copy max from the client but it isn't used */ - qdev->client_monitors_config->max_allowed = - qdev->monitors_config->max_allowed; + qdev->client_monitors_config->max_allowed = qxl_num_crtc; for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { struct qxl_urect *c_rect = &qdev->rom->client_monitors_config.heads[i]; @@ -204,7 +203,7 @@ static int qxl_add_monitors_config_modes(struct drm_connector *connector, if (!qdev->monitors_config) return 0; - if (h >= qdev->monitors_config->max_allowed) + if (h >= qxl_num_crtc) return 0; if (!qdev->client_monitors_config) return 0; @@ -307,8 +306,7 @@ static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc, return; } - if (!qdev->monitors_config || - qdev->monitors_config->max_allowed <= i) + if (!qdev->monitors_config || qxl_num_crtc <= i) return; head.id = i; @@ -350,9 +348,10 @@ static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc, if (oldcount != qdev->monitors_config->count) DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n", oldcount, qdev->monitors_config->count, - qdev->monitors_config->max_allowed); + qxl_num_crtc); qdev->monitors_config->heads[i] = head; + qdev->monitors_config->max_allowed = qxl_num_crtc; qxl_send_monitors_config(qdev); } @@ -1148,9 +1147,8 @@ int qxl_create_monitors_object(struct qxl_device *qdev) { int ret; struct drm_gem_object *gobj; - int max_allowed = qxl_num_crtc; int monitors_config_size = sizeof(struct qxl_monitors_config) + - max_allowed * sizeof(struct qxl_head); + qxl_num_crtc * sizeof(struct qxl_head); ret = qxl_gem_object_create(qdev, monitors_config_size, 0, QXL_GEM_DOMAIN_VRAM, @@ -1172,9 +1170,8 @@ int qxl_create_monitors_object(struct qxl_device *qdev) qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); memset(qdev->monitors_config, 0, monitors_config_size); - qdev->monitors_config->max_allowed = max_allowed; - - qdev->dumb_heads = kcalloc(max_allowed, sizeof(qdev->dumb_heads[0]), GFP_KERNEL); + qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]), + GFP_KERNEL); return 0; } -- 2.9.3