[PATCH 2/2] radeon: attempt to fix active vram since 93225b0d7bc030f4a93165347a65893685822d70

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

Iterations of this patch seemed to break active vram, this seems like
a good plan for it.

second attempt to fix: https://bugs.freedesktop.org/show_bug.cgi?id=35254

Reported-by: Michael Larabel @ phoronix
Signed-off-by: Dave Airlie <airlied at redhat.com>
Cc: stable at kernel.org
---
 drivers/gpu/drm/radeon/radeon_object.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 7d6b8e8..620c321 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -73,9 +73,11 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
 	rbo->placement.lpfn = 0;
 	rbo->placement.placement = rbo->placements;
 	rbo->placement.busy_placement = rbo->placements;
-	if (domain & RADEON_GEM_DOMAIN_VRAM)
+	if (domain & RADEON_GEM_DOMAIN_VRAM) {
 		rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
 					TTM_PL_FLAG_VRAM;
+		rbo->placement.lpfn = rbo->rdev->mc.active_vram_size >> PAGE_SHIFT;
+	}
 	if (domain & RADEON_GEM_DOMAIN_GTT)
 		rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
 	if (domain & RADEON_GEM_DOMAIN_CPU)
-- 
1.7.3.4