Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933034Ab0DHRSP (ORCPT ); Thu, 8 Apr 2010 13:18:15 -0400 Received: from tex.lwn.net ([70.33.254.29]:46551 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933017Ab0DHRRE (ORCPT ); Thu, 8 Apr 2010 13:17:04 -0400 From: Jonathan Corbet To: linux-kernel@vger.kernel.org Cc: Florian Tobias Schandinat , Harald Welte , JosephChan@via.com.tw, ScottFang@viatech.com.cn, Deepak Saxena , linux-fbdev-devel@lists.sourceforge.net Subject: [PATCH 16/16] viafb: Only suspend/resume on VX855 Date: Thu, 8 Apr 2010 11:15:46 -0600 Message-Id: <1270746946-12467-17-git-send-email-corbet@lwn.net> X-Mailer: git-send-email 1.7.0.1 In-Reply-To: <1270746946-12467-1-git-send-email-corbet@lwn.net> References: <1270746946-12467-1-git-send-email-corbet@lwn.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1448 Lines: 46 The code is only known to work there, and is strongly suspected to not work on other chipsets. Signed-off-by: Jonathan Corbet --- drivers/video/via/viafbdev.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index f834440..2e70c79 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -1916,6 +1916,12 @@ static int viafb_suspend(struct pci_dev *pdev, pm_message_t state) int i; void __iomem *iomem = viaparinfo->shared->engine_mmio; +/* + * This code is currently only known to work on VX855 + */ + if (viaparinfo->shared->chip_info.gfx_chip_name != UNICHROME_VX855) + return -ENOTSUPP; + if (state.event == PM_EVENT_SUSPEND) { acquire_console_sem(); @@ -1940,6 +1946,12 @@ static int viafb_resume(struct pci_dev *pdev) int i; void __iomem *iomem = viaparinfo->shared->engine_mmio; +/* + * This code is currently only known to work on VX855 + */ + if (viaparinfo->shared->chip_info.gfx_chip_name != UNICHROME_VX855) + return -ENOTSUPP; + acquire_console_sem(); pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); -- 1.7.0.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/