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

[He, Hongbo]

Reviewed-by: Roger.He <hongbo...@amd.com>

-Original Message-
From: Christian König [mailto:deathsim...@vodafone.de] 
Sent: Friday, January 13, 2017 5:51 PM
To: He, Hongbo <hongbo...@amd.com>
Cc: amd-gfx@lists.freedesktop.org; dri-de...@lists.freedesktop.org
Subject: [PATCH 4/6] drm/amdgpu: double the priority of kernel allocations

From: Christian König <christian.koe...@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.koe...@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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[PATCH 4/6] drm/amdgpu: double the priority of kernel allocations

[Christian König]

From: Christian König 

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

Signed-off-by: Christian König 
---
 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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