[PATCH 4/6] drm/amdgpu: double the priority of kernel allocations

Christian König deathsimple at vodafone.de
Fri Jan 13 09:51:09 UTC 2017


From: Christian König <christian.koenig at amd.com>

Give kernel allocations a higher priority cause it is often
more work to swap them back in.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index f399d98..2de1dda 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -387,6 +387,8 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
 		return r;
 
 	bo->tbo.priority = ilog2(bo->tbo.num_pages);
+	if (kernel)
+		bo->tbo.priority *= 2;
 	bo->tbo.priority = min(bo->tbo.priority, TTM_MAX_BO_PRIORITY - 1);
 
 	if (flags & AMDGPU_GEM_CREATE_VRAM_CLEARED &&
-- 
2.7.4



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