Attachment 37568 Details for Bug 29005 – 1280901139-8922-1-git-send-email-airlied@gmail.com

[patch] 1280901139-8922-1-git-send-email-airlied@gmail.com

1280901211.20901_0.cantiga (text/plain), 6.07 KB, created by Chris Wilson on 2010-08-04 01:40:42 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Chris Wilson

Created: 2010-08-04 01:40:42 UTC

Size: 6.07 KB

patch

obsolete

>X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on
>	cantiga.alporthouse.com
>X-Spam-Level: 
>X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM
>	autolearn=ham version=3.3.1
>X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=66.98.244.53;
>Received: from mail.surfanytime.net [109.228.6.236]
>	by cantiga.alporthouse.com with POP3 (fetchmail-6.3.17)
>	for <ickle@localhost> (single-drop); Wed, 04 Aug 2010 06:53:31 +0100 (BST)
>Received: from relay.fireflyinternet.com (unverified [66.98.244.53]) 
>	by fireflyinternet.com (Firefly Internet SMTP) with ESMTP id 1694168-1500048 
>	for <chris.alporthouse@surfanytime.net>; Wed, 04 Aug 2010 06:54:32 +0100
>Return-Path: <intel-gfx-bounces+chris=chris-wilson.co.uk@lists.freedesktop.org>
>Received-SPF: none (No spf1 record for (lists.freedesktop.org) ) client-ip=212.53.64.18; envelope-from=<intel-gfx-bounces+chris=chris-wilson.co.uk@lists.freedesktop.org>;
>Received: from coumta57.netbenefit.co.uk (unverified [212.53.64.18]) 
>	by relay.fireflyinternet.com (FireflyRelay1) with ESMTP id 77254897 
>	for <chris.alporthouse@surfanytime.net>; Wed, 04 Aug 2010 06:52:37 +0100
>Return-Path: <intel-gfx-bounces+chris=chris-wilson.co.uk@lists.freedesktop.org>
>Received: from gabe.freedesktop.org ([131.252.210.177]:53908)
>	by coumta57.netbenefit.co.uk with esmtp (NBT 4.61 23)
>	id 1OgWuF-0000a9-Ns
>	for chris@chris-wilson.co.uk; Wed, 04 Aug 2010 06:52:51 +0100
>Received: from gabe.freedesktop.org (localhost [127.0.0.1])
>	by gabe.freedesktop.org (Postfix) with ESMTP id 8FE559ED71
>	for <chris@chris-wilson.co.uk>; Tue,  3 Aug 2010 22:52:46 -0700 (PDT)
>X-Original-To: intel-gfx@lists.freedesktop.org
>Delivered-To: intel-gfx@lists.freedesktop.org
>Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28])
>	by gabe.freedesktop.org (Postfix) with ESMTP id 456979E9AD
>	for <intel-gfx@lists.freedesktop.org>;
>	Tue,  3 Aug 2010 22:52:22 -0700 (PDT)
>Received: from int-mx01.intmail.prod.int.phx2.redhat.com
>	(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])
>	by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o745qLgq009139
>	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK)
>	for <intel-gfx@lists.freedesktop.org>; Wed, 4 Aug 2010 01:52:21 -0400
>Received: from clockmaker-el6.bne.redhat.com (dhcp-0-222.bne.redhat.com
>	[10.64.0.222])
>	by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP
>	id o745qJrm022993
>	for <intel-gfx@lists.freedesktop.org>; Wed, 4 Aug 2010 01:52:20 -0400
>From: Dave Airlie <airlied@gmail.com>
>To: intel-gfx@lists.freedesktop.org
>Date: Wed,  4 Aug 2010 15:52:19 +1000
>Message-Id: <1280901139-8922-1-git-send-email-airlied@gmail.com>
>X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11
>Subject: [Intel-gfx] [PATCH] i915: disable DAC on Ironlake also when doing
>	CRT load detection.
>X-BeenThere: intel-gfx@lists.freedesktop.org
>X-Mailman-Version: 2.1.11
>Precedence: list
>List-Id: Intel graphics driver community testing & development
>	<intel-gfx.lists.freedesktop.org>
>List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
>	<mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
>List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
>List-Post: <mailto:intel-gfx@lists.freedesktop.org>
>List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
>List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
>	<mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
>MIME-Version: 1.0
>Content-Type: text/plain; charset="us-ascii"
>Content-Transfer-Encoding: 7bit
>Sender: intel-gfx-bounces+chris=chris-wilson.co.uk@lists.freedesktop.org
>Errors-To: intel-gfx-bounces+chris=chris-wilson.co.uk@lists.freedesktop.org
>X-NB-Virus-Scan: virus-free
>X-Originally-To: chris@chris-wilson.co.uk
>X-NotAscii: charset=us-ascii
>X-Avast: Message is clean
>X-IP-stats: Incoming Last 0, First 686, in=20606, out=0, spam=0
>X-External-IP: 212.53.64.18
>X-Rcpt-To: <chris.alporthouse@surfanytime.net>
>X-SpamDetect: ***: 3.000000 Suspicious proportion of text in CAPS=1.0, Aspam=2.0
>X-NotAscii: charset=us-ascii
>X-Probe: +OK skipped, from trusted ip
>X-Avast: Message is clean
>X-IP-stats: Incoming Last 0, First 9, in=269, out=0, spam=0 ip=212.53.64.18
>Status: U
>X-UIDL: 188854
>
>From: Dave Airlie <airlied@redhat.com>
>
>Like on Sandybridge, disabling the DAC here when doing CRT load detect
>avoids forever hangs waiting on the hardware.
>
>test procedure on HP 2740p:
>boot with no VGA plugged in, start X,
>plug in VGA monitor (1280x1024)
>chvt 3
>machine hangs waiting forever.
>
>Signed-off-by: Dave Airlie <airlied@redhat.com>
>---
> drivers/gpu/drm/i915/intel_crt.c |   23 ++++++++++++-----------
> 1 files changed, 12 insertions(+), 11 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
>index ee0732b..2a3b59b 100644
>--- a/drivers/gpu/drm/i915/intel_crt.c
>+++ b/drivers/gpu/drm/i915/intel_crt.c
>@@ -160,19 +160,20 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
> 	struct drm_i915_private *dev_priv = dev->dev_private;
> 	u32 adpa, temp;
> 	bool ret;
>+	bool turn_off_dac = false;
> 
> 	temp = adpa = I915_READ(PCH_ADPA);
> 
>-	if (HAS_PCH_CPT(dev)) {
>-		/* Disable DAC before force detect */
>-		I915_WRITE(PCH_ADPA, adpa & ~ADPA_DAC_ENABLE);
>-		(void)I915_READ(PCH_ADPA);
>-	} else {
>-		adpa &= ~ADPA_CRT_HOTPLUG_MASK;
>-		/* disable HPD first */
>-		I915_WRITE(PCH_ADPA, adpa);
>-		(void)I915_READ(PCH_ADPA);
>-	}
>+	if (HAS_PCH_SPLIT(dev))
>+		turn_off_dac = true;
>+
>+	adpa &= ~ADPA_CRT_HOTPLUG_MASK;
>+	if (turn_off_dac)
>+		adpa &= ~ADPA_DAC_ENABLE;
>+
>+	/* disable HPD first */
>+	I915_WRITE(PCH_ADPA, adpa);
>+	(void)I915_READ(PCH_ADPA);
> 
> 	adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 |
> 			ADPA_CRT_HOTPLUG_WARMUP_10MS |
>@@ -188,7 +189,7 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
> 	while ((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) != 0)
> 		;
> 
>-	if (HAS_PCH_CPT(dev)) {
>+	if (turn_off_dac) {
> 		I915_WRITE(PCH_ADPA, temp);
> 		(void)I915_READ(PCH_ADPA);
> 	}
>-- 
>1.7.1
>
>_______________________________________________
>Intel-gfx mailing list
>Intel-gfx@lists.freedesktop.org
>http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>

Actions: View | Splinter Review

Attachments on bug 29005: 36941 | 36942 | 36943 | 36944 | 36959 | 36961 | 36962 | 37568

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.