From patchwork Tue Oct 5 10:43:01 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Hellstrom X-Patchwork-Id: 232021 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o95AinVm002129 for ; Tue, 5 Oct 2010 10:45:11 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2C5CD9F375 for ; Tue, 5 Oct 2010 03:44:49 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp-outbound-2.vmware.com (smtp-outbound-2.vmware.com [65.115.85.73]) by gabe.freedesktop.org (Postfix) with ESMTP id C053D9F105 for ; Tue, 5 Oct 2010 03:43:18 -0700 (PDT) Received: from mailhost2.vmware.com (mailhost2.vmware.com [10.16.67.167]) by smtp-outbound-2.vmware.com (Postfix) with ESMTP id 99E221C009; Tue, 5 Oct 2010 03:43:18 -0700 (PDT) Received: from localhost.localdomain (sslvpn-dhcp137.eng.vmware.com [10.20.254.137]) by mailhost2.vmware.com (Postfix) with ESMTP id 84BE38E7BC; Tue, 5 Oct 2010 03:43:16 -0700 (PDT) From: Thomas Hellstrom To: airlied@redhat.com Subject: [PATCH 03/11] vmwgfx: Add new-style PM hooks to improve hibernation behavior Date: Tue, 5 Oct 2010 12:43:01 +0200 Message-Id: <1286275389-26641-4-git-send-email-thellstrom@vmware.com> X-Mailer: git-send-email 1.6.2.5 In-Reply-To: <1286275389-26641-3-git-send-email-thellstrom@vmware.com> References: <1286275389-26641-1-git-send-email-thellstrom@vmware.com> <1286275389-26641-2-git-send-email-thellstrom@vmware.com> <1286275389-26641-3-git-send-email-thellstrom@vmware.com> Cc: Thomas Hellstrom , dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Tue, 05 Oct 2010 10:45:11 +0000 (UTC) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index eedab92..45e57d3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -752,34 +752,10 @@ static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, */ ttm_bo_swapout_all(&dev_priv->bdev); - /** - * Release 3d reference held by fbdev and potentially - * stop fifo. - */ - dev_priv->suspended = true; - if (dev_priv->enable_fb) - vmw_3d_resource_dec(dev_priv); - break; case PM_POST_HIBERNATION: case PM_POST_SUSPEND: case PM_POST_RESTORE: - if (!dev_priv->suspended) { - printk(KERN_WARNING - "[%s] Driver is not suspended at resume" - " point.\n", VMWGFX_DRIVER_NAME); - - break; - } - - /** - * Reclaim 3d reference held by fbdev and potentially - * start fifo. - */ - if (dev_priv->enable_fb) - vmw_3d_resource_inc(dev_priv); - - dev_priv->suspended = false; ttm_suspend_unlock(&vmaster->lock); break; @@ -795,7 +771,7 @@ static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, * These might not be needed with the virtual SVGA device. */ -int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state) +static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state) { struct drm_device *dev = pci_get_drvdata(pdev); struct vmw_private *dev_priv = vmw_priv(dev); @@ -812,13 +788,81 @@ int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state) return 0; } -int vmw_pci_resume(struct pci_dev *pdev) +static int vmw_pci_resume(struct pci_dev *pdev) { pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); return pci_enable_device(pdev); } +static int vmw_pm_suspend(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct pm_message dummy; + + dummy.event = 0; + + return vmw_pci_suspend(pdev, dummy); +} + +static int vmw_pm_resume(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + + return vmw_pci_resume(pdev); +} + +static int vmw_pm_prepare(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct drm_device *dev = pci_get_drvdata(pdev); + struct vmw_private *dev_priv = vmw_priv(dev); + + /** + * Release 3d reference held by fbdev and potentially + * stop fifo. + */ + dev_priv->suspended = true; + if (dev_priv->enable_fb) + vmw_3d_resource_dec(dev_priv); + + if (dev_priv->num_3d_resources != 0) { + + DRM_INFO("Can't suspend or hibernate " + "while 3D resources are active.\n"); + + if (dev_priv->enable_fb) + vmw_3d_resource_inc(dev_priv); + dev_priv->suspended = false; + return -EBUSY; + } + + return 0; +} + +static void vmw_pm_complete(struct device *kdev) +{ + struct pci_dev *pdev = to_pci_dev(kdev); + struct drm_device *dev = pci_get_drvdata(pdev); + struct vmw_private *dev_priv = vmw_priv(dev); + + /** + * Reclaim 3d reference held by fbdev and potentially + * start fifo. + */ + if (dev_priv->enable_fb) + vmw_3d_resource_inc(dev_priv); + + dev_priv->suspended = false; +} + +static const struct dev_pm_ops vmw_pm_ops = { + .prepare = vmw_pm_prepare, + .complete = vmw_pm_complete, + .suspend = vmw_pm_suspend, + .resume = vmw_pm_resume, +}; + static struct drm_driver driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_MODESET, @@ -854,15 +898,16 @@ static struct drm_driver driver = { #if defined(CONFIG_COMPAT) .compat_ioctl = drm_compat_ioctl, #endif - }, + }, .pci_driver = { - .name = VMWGFX_DRIVER_NAME, - .id_table = vmw_pci_id_list, - .probe = vmw_probe, - .remove = vmw_remove, - .suspend = vmw_pci_suspend, - .resume = vmw_pci_resume - }, + .name = VMWGFX_DRIVER_NAME, + .id_table = vmw_pci_id_list, + .probe = vmw_probe, + .remove = vmw_remove, + .driver = { + .pm = &vmw_pm_ops + } + }, .name = VMWGFX_DRIVER_NAME, .desc = VMWGFX_DRIVER_DESC, .date = VMWGFX_DRIVER_DATE,