From patchwork Fri Oct 23 12:28:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11853255 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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D8D1CC4363A for ; Fri, 23 Oct 2020 12:28:24 +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 840D721D43 for ; Fri, 23 Oct 2020 12:28:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="KEXUk8TD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 840D721D43 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7DCC36E5B6; Fri, 23 Oct 2020 12:28:23 +0000 (UTC) Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by gabe.freedesktop.org (Postfix) with ESMTPS id 009CB6E588 for ; Fri, 23 Oct 2020 12:28:21 +0000 (UTC) Received: by mail-wm1-x341.google.com with SMTP id c194so1251492wme.2 for ; Fri, 23 Oct 2020 05:28:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=dj2domUp6Tc4E/xynSJbnk7myrhGiB+pBgcgfXE3+yw=; b=KEXUk8TDsjfk/8cHeA27aWb2hlXbDLTdHjaJ1fyUKxoOcn68+vHJVTH/BuI3CxFRQ8 HmltC3dxdgxDbv1HPD79J6LPsBJdHA1A9GjX8e78Nz3q18XHU792tbSlP+fjllhJGI8F 9o3txJcOXkWKmLawDBlIAK15abfpCykubkHYs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=dj2domUp6Tc4E/xynSJbnk7myrhGiB+pBgcgfXE3+yw=; b=IDuWJ23ngEL3PwK1YoCYG7onHAD7WHabXTASGIcGIq9pRK+3svYNyelXe8Kp/HlYh9 uen2TW6vz6XTyAYFQEVso9A25YpWfwGuB18PDs5K8jAsyM7qMC2DLRSNEAi/D5LRTEhA IE+GJHeoWDGWNLHUqwDi/794vIb9hv0Ld6Xcwx7KcVbKkIgwwxLyiWq8eseT3570F+oU VG/QZlJrif28pKiqOysRn6yIahwzmPqZIJ7hKd1keWNzE5J1m9hxK8f21140nmy7jrYc ZolAcxSLZptPpHhhFyesvN0D9ZEvP/YLaf9hnKOb0lWMdiuM3J11z3HXfg9MAh51QNtS 0INQ== X-Gm-Message-State: AOAM532WVeKnbSsWv5MaDAUyD21tnYVBjLwvCjcwsZf33AGX1bC/d/zy 7ZWPcRA7cjreKpaSLPvrMjWC22SKu4M2c1SN X-Google-Smtp-Source: ABdhPJwFukyZg0NRbHXO3De1/avBax66cIGoZNWfed4+Guu5htzIDU/jGCaQ9Q5Xe5rIMsLfB4qfsw== X-Received: by 2002:a1c:383:: with SMTP id 125mr547324wmd.175.1603456100079; Fri, 23 Oct 2020 05:28:20 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id j5sm3133451wrx.88.2020.10.23.05.28.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2020 05:28:19 -0700 (PDT) From: Daniel Vetter To: DRI Development Date: Fri, 23 Oct 2020 14:28:08 +0200 Message-Id: <20201023122811.2374118-2-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201023122811.2374118-1-daniel.vetter@ffwll.ch> References: <20201023122811.2374118-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/5] drm: Compile out legacy chunks from struct drm_device X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , Daniel Vetter , Intel Graphics Development , Maxime Ripard , Thomas Zimmermann , Daniel Vetter Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This means some very few #ifdef in code, but it allows us to enlist the compiler to make sure this stuff isn't used anymore. More important, only legacy drivers change drm_device (for the legacy_dev_list shadow attach management), therefore this is prep to allow modern drivers to have a const driver struct. Which is nice, because there's a ton of function pointers in there. Signed-off-by: Daniel Vetter Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Thomas Zimmermann Cc: David Airlie Cc: Daniel Vetter Signed-off-by: Daniel Vetter Acked-by: Maxime Ripard Reviewed-by: Sam Ravnborg --- drivers/gpu/drm/drm_file.c | 2 ++ drivers/gpu/drm/drm_vblank.c | 15 ++++++++++++--- include/drm/drm_drv.h | 2 ++ 3 files changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index 0ac4566ae3f4..b50380fa80ce 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -258,9 +258,11 @@ void drm_file_free(struct drm_file *file) (long)old_encode_dev(file->minor->kdev->devt), atomic_read(&dev->open_count)); +#ifdef CONFIG_DRM_LEGACY if (drm_core_check_feature(dev, DRIVER_LEGACY) && dev->driver->preclose) dev->driver->preclose(dev, file); +#endif if (drm_core_check_feature(dev, DRIVER_LEGACY)) drm_legacy_lock_release(dev, file->filp); diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c index ba7e741764aa..15e5ea436434 100644 --- a/drivers/gpu/drm/drm_vblank.c +++ b/drivers/gpu/drm/drm_vblank.c @@ -210,9 +210,12 @@ static u32 __get_vblank_counter(struct drm_device *dev, unsigned int pipe) if (crtc->funcs->get_vblank_counter) return crtc->funcs->get_vblank_counter(crtc); - } else if (dev->driver->get_vblank_counter) { + } +#ifdef CONFIG_DRM_LEGACY + else if (dev->driver->get_vblank_counter) { return dev->driver->get_vblank_counter(dev, pipe); } +#endif return drm_vblank_no_hw_counter(dev, pipe); } @@ -430,9 +433,12 @@ static void __disable_vblank(struct drm_device *dev, unsigned int pipe) if (crtc->funcs->disable_vblank) crtc->funcs->disable_vblank(crtc); - } else { + } +#ifdef CONFIG_DRM_LEGACY + else { dev->driver->disable_vblank(dev, pipe); } +#endif } /* @@ -1097,9 +1103,12 @@ static int __enable_vblank(struct drm_device *dev, unsigned int pipe) if (crtc->funcs->enable_vblank) return crtc->funcs->enable_vblank(crtc); - } else if (dev->driver->enable_vblank) { + } +#ifdef CONFIG_DRM_LEGACY + else if (dev->driver->enable_vblank) { return dev->driver->enable_vblank(dev, pipe); } +#endif return -EINVAL; } diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index c6d17550efc9..7af220226a25 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -498,6 +498,7 @@ struct drm_driver { */ const struct file_operations *fops; +#ifdef CONFIG_DRM_LEGACY /* Everything below here is for legacy driver, never use! */ /* private: */ @@ -512,6 +513,7 @@ struct drm_driver { int (*enable_vblank)(struct drm_device *dev, unsigned int pipe); void (*disable_vblank)(struct drm_device *dev, unsigned int pipe); int dev_priv_size; +#endif }; void *__devm_drm_dev_alloc(struct device *parent, struct drm_driver *driver,