Attachment 76349 Details for Bug 60439 – possible fix

[patch] possible fix

0001-drm-radeon-fix-S-R-on-VM-systems-cayman-TN-SI.patch (text/plain), 1.46 KB, created by Alex Deucher on 2013-03-11 19:35:12 UTC

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Creator: Alex Deucher

Created: 2013-03-11 19:35:12 UTC

Size: 1.46 KB

patch

obsolete

>From 752f78b3209abd8b3a2b152e5ccd566ed2d11ec8 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Mon, 11 Mar 2013 15:32:26 -0400
>Subject: [PATCH] drm/radeon: fix S/R on VM systems (cayman/TN/SI)
>
>We weren't properly tearing down the VM sub-alloctor
>on suspend leading to bogus VM PTs on resume.
>
>Fixes:
>https://bugs.freedesktop.org/show_bug.cgi?id=60439
>
>Tested-by: Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/ni.c |    1 +
> drivers/gpu/drm/radeon/si.c |    1 +
> 2 files changed, 2 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
>index 3d81ca7..e6f3989 100644
>--- a/drivers/gpu/drm/radeon/ni.c
>+++ b/drivers/gpu/drm/radeon/ni.c
>@@ -1780,6 +1780,7 @@ int cayman_resume(struct radeon_device *rdev)
> int cayman_suspend(struct radeon_device *rdev)
> {
> 	r600_audio_fini(rdev);
>+	radeon_vm_manager_fini(rdev);
> 	cayman_cp_enable(rdev, false);
> 	cayman_dma_stop(rdev);
> 	evergreen_irq_suspend(rdev);
>diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
>index 9128120..bafbe32 100644
>--- a/drivers/gpu/drm/radeon/si.c
>+++ b/drivers/gpu/drm/radeon/si.c
>@@ -4469,6 +4469,7 @@ int si_resume(struct radeon_device *rdev)
> 
> int si_suspend(struct radeon_device *rdev)
> {
>+	radeon_vm_manager_fini(rdev);
> 	si_cp_enable(rdev, false);
> 	cayman_dma_stop(rdev);
> 	si_irq_suspend(rdev);
>-- 
>1.7.7.5
>

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