From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub Date: Thu, 08 Aug 2013 12:28:42 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1341392802==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 1EC5EE6159 for ; Thu, 8 Aug 2013 05:28:43 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1341392802== Content-Type: multipart/alternative; boundary="1375964922.a456E5.2666"; charset="us-ascii" --1375964922.a456E5.2666 Date: Thu, 8 Aug 2013 12:28:42 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=66963 --- Comment #84 from Alex Deucher --- Does disabling clockgating avoid the hangs? diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c index bdd888b..85f2ab8 100644 --- a/drivers/gpu/drm/radeon/rv6xx_dpm.c +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c @@ -1985,7 +1985,7 @@ int rv6xx_dpm_init(struct radeon_device *rdev) pi->voltage_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0); - pi->gfx_clock_gating = true; + pi->gfx_clock_gating = false; pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss, ASIC_INTERNAL_ENGINE_SS, 0); Make sure you do a cold shutdown after changing that. -- You are receiving this mail because: You are the assignee for the bug. --1375964922.a456E5.2666 Date: Thu, 8 Aug 2013 12:28:42 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 84 on bug 66963 from 
Does disabling clockgating avoid the hangs?

diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c
b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index bdd888b..85f2ab8 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1985,7 +1985,7 @@ int rv6xx_dpm_init(struct radeon_device *rdev)
        pi->voltage_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
0);

-       pi->gfx_clock_gating = true;
+       pi->gfx_clock_gating = false;

        pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
                                                       ASIC_INTERNAL_ENGINE_SS,
0);


Make sure you do a cold shutdown after changing that.

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  • You are the assignee for the bug.
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