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

Commit Message

He, Hongbo Jan. 16, 2017, 3:30 a.m. UTC

Reviewed-by: Roger.He <[e-mail]>

-----Original Message-----
From: Christian König [mailto:[e-mail]] 
Sent: Friday, January 13, 2017 5:51 PM
To: He, Hongbo <[e-mail]>
Cc: [e-mail]; [e-mail]
Subject: [PATCH 4/6] drm/amdgpu: double the priority of kernel allocations

From: Christian König <[e-mail]>

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

Signed-off-by: Christian König <[e-mail]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 ++
 1 file changed, 2 insertions(+)

--
2.7.4

Patch

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 &&