From patchwork Mon Jul 16 22:38:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 10527719 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 04F8F60348 for ; Mon, 16 Jul 2018 22:38:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0791728EF6 for ; Mon, 16 Jul 2018 22:38:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F06C628F51; Mon, 16 Jul 2018 22:38:56 +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=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham 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 8966D28EF6 for ; Mon, 16 Jul 2018 22:38:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E1E536E593; Mon, 16 Jul 2018 22:38:54 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5B35B6E099; Mon, 16 Jul 2018 22:38:54 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Jul 2018 15:38:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,363,1526367600"; d="scan'208";a="67442996" Received: from josouza-mobl.jf.intel.com ([10.24.11.40]) by orsmga003.jf.intel.com with ESMTP; 16 Jul 2018 15:38:53 -0700 From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= To: intel-gfx@lists.freedesktop.org Date: Mon, 16 Jul 2018 15:38:38 -0700 Message-Id: <20180716223841.5081-3-jose.souza@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180716223841.5081-1-jose.souza@intel.com> References: <20180716223841.5081-1-jose.souza@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/6] drm/i915: Move out non-modeset calls from modeset init and cleanup X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP i915_load_modeset_init() and intel_modeset_cleanup() was initializing and cleaning up things that is not modeset only. This will make easy initialize drive without display part. Signed-off-by: José Roberto de Souza --- drivers/gpu/drm/i915/i915_drv.c | 56 ++++++++++++++++++---------- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/intel_display.c | 16 +++----- 3 files changed, 42 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 99792039176f..402ed9b4f29e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -665,25 +665,15 @@ static int i915_load_modeset_init(struct drm_device *dev) /* must happen before intel_power_domains_init_hw() on VLV/CHV */ intel_update_rawclk(dev_priv); - intel_power_domains_init_hw(dev_priv, false); - intel_csr_ucode_init(dev_priv); - ret = intel_irq_install(dev_priv); - if (ret) - goto cleanup_csr; - intel_setup_gmbus(dev_priv); /* Important: The output setup functions called by modeset_init need * working irqs for e.g. gmbus and dp aux transfers. */ ret = intel_modeset_init(dev); if (ret) - goto cleanup_irq; - - ret = i915_gem_init(dev_priv); - if (ret) - goto cleanup_modeset; + goto cleanup_gmbus; intel_setup_overlay(dev_priv); @@ -692,23 +682,17 @@ static int i915_load_modeset_init(struct drm_device *dev) ret = intel_fbdev_init(dev); if (ret) - goto cleanup_gem; + goto cleanup_modeset; /* Only enable hotplug handling once the fbdev is fully set up. */ intel_hpd_init(dev_priv); return 0; -cleanup_gem: - if (i915_gem_suspend(dev_priv)) - DRM_ERROR("failed to idle hardware; continuing to unload!\n"); - i915_gem_fini(dev_priv); cleanup_modeset: intel_modeset_cleanup(dev); -cleanup_irq: - drm_irq_uninstall(dev); +cleanup_gmbus: intel_teardown_gmbus(dev_priv); -cleanup_csr: intel_csr_ucode_fini(dev_priv); intel_power_domains_fini(dev_priv); vga_switcheroo_unregister_client(pdev); @@ -1395,9 +1379,22 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_cleanup_hw; } + ret = intel_irq_install(dev_priv); + if (ret) + goto out_cleanup_hw; + + /* i915_gem_init() call chain will call + * intel_display_power_put(i915, POWER_DOMAIN_GT_IRQ); + */ + intel_power_domains_init_hw(dev_priv, false); + + ret = i915_gem_init(dev_priv); + if (ret) + goto cleanup_irq; + ret = i915_load_modeset_init(&dev_priv->drm); if (ret < 0) - goto out_cleanup_hw; + goto cleanup_gem; i915_driver_register(dev_priv); @@ -1411,6 +1408,12 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; +cleanup_gem: + if (i915_gem_suspend(dev_priv)) + DRM_ERROR("failed to idle hardware; continuing to unload!\n"); + i915_gem_fini(dev_priv); +cleanup_irq: + drm_irq_uninstall(&dev_priv->drm); out_cleanup_hw: i915_driver_cleanup_hw(dev_priv); out_cleanup_mmio: @@ -1445,8 +1448,21 @@ void i915_driver_unload(struct drm_device *dev) intel_gvt_cleanup(dev_priv); + intel_modeset_cleanup_prepare(dev); + + intel_disable_gt_powersave(dev_priv); + + /* + * Interrupts and polling as the first thing to avoid creating havoc. + * Too much stuff here (turning of connectors, ...) would + * experience fancy races otherwise. + */ + intel_irq_uninstall(dev_priv); + intel_modeset_cleanup(dev); + intel_cleanup_gt_powersave(dev_priv); + intel_bios_cleanup(dev_priv); vga_switcheroo_unregister_client(pdev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 4fb937399440..51eb48f6b57a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3419,6 +3419,7 @@ mkwrite_device_info(struct drm_i915_private *dev_priv) /* modesetting */ extern void intel_modeset_init_hw(struct drm_device *dev); extern int intel_modeset_init(struct drm_device *dev); +extern void intel_modeset_cleanup_prepare(struct drm_device *dev); extern void intel_modeset_cleanup(struct drm_device *dev); extern int intel_connector_register(struct drm_connector *); extern void intel_connector_unregister(struct drm_connector *); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index bbf63741ae80..136fb8d51967 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15905,7 +15905,7 @@ static void intel_hpd_poll_fini(struct drm_device *dev) drm_connector_list_iter_end(&conn_iter); } -void intel_modeset_cleanup(struct drm_device *dev) +void intel_modeset_cleanup_prepare(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); @@ -15913,15 +15913,11 @@ void intel_modeset_cleanup(struct drm_device *dev) flush_work(&dev_priv->atomic_helper.free_work); WARN_ON(!llist_empty(&dev_priv->atomic_helper.free_list)); +} - intel_disable_gt_powersave(dev_priv); - - /* - * Interrupts and polling as the first thing to avoid creating havoc. - * Too much stuff here (turning of connectors, ...) would - * experience fancy races otherwise. - */ - intel_irq_uninstall(dev_priv); +void intel_modeset_cleanup(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = to_i915(dev); /* * Due to the hpd irq storm handling the hotplug work can re-arm the @@ -15943,8 +15939,6 @@ void intel_modeset_cleanup(struct drm_device *dev) intel_cleanup_overlay(dev_priv); - intel_cleanup_gt_powersave(dev_priv); - intel_teardown_gmbus(dev_priv); destroy_workqueue(dev_priv->modeset_wq);