Attachment 32603 Details for Bug 25733 – Patch from Dave Airlie via irc to fix kernel bug 15035

[patch] Patch from Dave Airlie via irc to fix kernel bug 15035

0001-drm-radeon-kms-only-evict-to-GTT-if-CP-is-ready.patch (text/plain), 1.11 KB, created by Gavin Kinsey on 2010-01-12 16:29:36 UTC

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Creator: Gavin Kinsey

Created: 2010-01-12 16:29:36 UTC

Size: 1.11 KB

patch

obsolete

>From 09ab1ce6ec91430246e7071238d6e0e537263acf Mon Sep 17 00:00:00 2001
>From: Dave Airlie <airlied@redhat.com>
>Date: Wed, 13 Jan 2010 09:21:49 +1000
>Subject: [PATCH] drm/radeon/kms: only evict to GTT if CP is ready
>
>really we should be testing gart.ready but that isn't set correctly on suspend
>so this hack shoudl be worth testing the theory for now.
>---
> drivers/gpu/drm/radeon/radeon_ttm.c |    5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
>index a004507..db820ae 100644
>--- a/drivers/gpu/drm/radeon/radeon_ttm.c
>+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
>@@ -215,7 +215,10 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
> 	rbo = container_of(bo, struct radeon_bo, tbo);
> 	switch (bo->mem.mem_type) {
> 	case TTM_PL_VRAM:
>-		radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);
>+		if (rbo->rdev->cp.ready == false)
>+			radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_CPU);
>+		else
>+			radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);
> 		break;
> 	case TTM_PL_TT:
> 	default:
>-- 
>1.6.5.2
>

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