[PATCH AUTOSEL for 4.9 34/55] drm/amdgpu: don't try to move pinned BOs

From: Sasha Levin
Date: Tue Jan 23 2018 - 23:37:34 EST


From: Christian KÃnig <christian.koenig@xxxxxxx>

[ Upstream commit 6edc6910ba4cd6eab309263539c8f09b8ad772bf ]

Never try to move pinned BOs during CS.

Signed-off-by: Christian KÃnig <christian.koenig@xxxxxxx>
Reviewed-by: Michel DÃnzer <michel.daenzer@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index f26d1fd53bef..cb505f66d3aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -416,6 +416,10 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
if (candidate == lobj)
break;

+ /* We can't move pinned BOs here */
+ if (bo->pin_count)
+ continue;
+
other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);

/* Check if this BO is in one of the domains we need space for */
--
2.11.0