From patchwork Thu Oct 19 23:02:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Noralf_Tr=C3=B8nnes?= X-Patchwork-Id: 10018463 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BA79860224 for ; Thu, 19 Oct 2017 23:03:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AD68528E66 for ; Thu, 19 Oct 2017 23:03:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A221528E6D; Thu, 19 Oct 2017 23:03:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 28D0528E66 for ; Thu, 19 Oct 2017 23:03:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AA1F86EBA8; Thu, 19 Oct 2017 23:03:07 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from smtp.domeneshop.no (smtp.domeneshop.no [IPv6:2a01:5b40:0:3005::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8B4C06EB84; Thu, 19 Oct 2017 23:03:00 +0000 (UTC) Received: from 211.81-166-168.customer.lyse.net ([81.166.168.211]:55738 helo=localhost.localdomain) by smtp.domeneshop.no with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_CBC_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1e5Jq3-0001FW-F8; Fri, 20 Oct 2017 01:02:55 +0200 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= To: dri-devel@lists.freedesktop.org Date: Fri, 20 Oct 2017 01:02:00 +0200 Message-Id: <20171019230213.63521-3-noralf@tronnes.org> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171019230213.63521-1-noralf@tronnes.org> References: <20171019230213.63521-1-noralf@tronnes.org> MIME-Version: 1.0 Cc: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , jy0922.shim@samsung.com, daniel.vetter@ffwll.ch, tomi.valkeinen@ti.com, sw0312.kim@samsung.com, inki.dae@samsung.com, hdegoede@redhat.com, kyungmin.park@samsung.com, bskeggs@redhat.com, rodrigo.vivi@intel.com, alexander.deucher@amd.com, linux@armlinux.org.uk, intel-gfx@lists.freedesktop.org, christian.koenig@amd.com, mark.yao@rock-chips.com Subject: [Intel-gfx] [PATCH 02/15] drm: Add drm_device->drm_fb_helper_private pointer X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP drm_fb_helper is *the* way of doing fbdev emulation so add a pointer to struct drm_device. This makes it possible to add callback helpers for .last_close and .output_poll_changed further reducing fbdev emulation footprint in drivers. The pointer is set by drm_fb_helper_init() and cleared by drm_fb_helper_fini(). Signed-off-by: Noralf Trønnes Reviewed-by: Daniel Vetter --- This patch was initially part of the patchset: drm/tinydrm: Use vmalloc BO Changes since previous version: - Change member name: fbdev -> drm_fb_helper_private - Expand docs - Set and clear pointer in drm_fb_helper_init/fini() drivers/gpu/drm/drm_fb_helper.c | 13 +++++++++++-- include/drm/drm_device.h | 9 +++++++++ 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 954cdd48de92..c07b7af8de4c 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -799,8 +799,10 @@ int drm_fb_helper_init(struct drm_device *dev, struct drm_mode_config *config = &dev->mode_config; int i; - if (!drm_fbdev_emulation) + if (!drm_fbdev_emulation) { + dev->drm_fb_helper_private = fb_helper; return 0; + } if (!max_conn_count) return -EINVAL; @@ -835,6 +837,8 @@ int drm_fb_helper_init(struct drm_device *dev, i++; } + dev->drm_fb_helper_private = fb_helper; + return 0; out_free: drm_fb_helper_crtc_free(fb_helper); @@ -913,7 +917,12 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) { struct fb_info *info; - if (!drm_fbdev_emulation || !fb_helper) + if (!fb_helper) + return; + + fb_helper->dev->drm_fb_helper_private = NULL; + + if (!drm_fbdev_emulation) return; cancel_work_sync(&fb_helper->resume_work); diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h index e21af87a2f3c..6b26262658ae 100644 --- a/include/drm/drm_device.h +++ b/include/drm/drm_device.h @@ -17,6 +17,7 @@ struct drm_vblank_crtc; struct drm_sg_mem; struct drm_local_map; struct drm_vma_offset_manager; +struct drm_fb_helper; struct inode; @@ -185,6 +186,14 @@ struct drm_device { struct drm_vma_offset_manager *vma_offset_manager; /*@} */ int switch_power_state; + + /** + * @drm_fb_helper_private: + * + * Pointer to the fbdev emulation structure. + * Set by drm_fb_helper_init() and cleared by drm_fb_helper_fini(). + */ + struct drm_fb_helper *drm_fb_helper_private; }; #endif