Am 04.11.2016 um 12:00 schrieb Christian König:
From: Christian König <[email protected]>
This disables the VRAM manager when a special placement is requested, otherwise
we play ping/pong with the buffers on every command submission.
v2: only check lpfn
Signed-off-by: Christian König <[email protected]>
Could anybody give a Reviewed-by for this? I think that is a rather
important performance bug fix.
Regards,
Christian.
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 180eed7c..d710226 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -108,7 +108,7 @@ static int amdgpu_vram_mgr_new(struct ttm_mem_type_manager
*man,
lpfn = man->size;
if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS ||
- amdgpu_vram_page_split == -1) {
+ place->lpfn || amdgpu_vram_page_split == -1) {
pages_per_node = ~0ul;
num_nodes = 1;
} else {
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