Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262343AbVDFWf6 (ORCPT ); Wed, 6 Apr 2005 18:35:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262344AbVDFWf6 (ORCPT ); Wed, 6 Apr 2005 18:35:58 -0400 Received: from ns2.suse.de ([195.135.220.15]:63186 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S262343AbVDFWfx (ORCPT ); Wed, 6 Apr 2005 18:35:53 -0400 To: Benjamin Herrenschmidt Cc: Andrew Morton , Linus Torvalds , Linux Kernel list Subject: Re: [PATCH] radeonfb: (#2) Implement proper workarounds for PLL accesses References: <1110519743.5810.13.camel@gaston> <1110672745.5787.60.camel@gaston> <1112743901.9568.67.camel@gaston> From: Andreas Schwab X-Yow: I feel real SOPHISTICATED being in FRANCE! Date: Thu, 07 Apr 2005 00:35:51 +0200 In-Reply-To: <1112743901.9568.67.camel@gaston> (Benjamin Herrenschmidt's message of "Wed, 06 Apr 2005 09:31:41 +1000") Message-ID: User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/22.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 827 Lines: 21 Benjamin Herrenschmidt writes: > Hrm... it should only add a few ms, maybe about 20 ms to the mode > switching... If you remove the radeon_msleep(5) call from the > radeon_pll_errata_after_data() routine in radeonfb.h, does it make a > difference ? Yes, it does. Without the sleep, switching is as fast as before. Andreas. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra?e 5, 90409 N?rnberg, Germany Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." - 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/