Reviewed-by: Chunming Zhou <david1.z...@amd.com> for the series.


btw: any new patch based on this for enabling eviction and swapout for per-vm-bo?

Regards,
David Zhou
On 2017年11月17日 18:49, Christian König wrote:
Instead of the global statistics use the per context bytes moved counter.

v2: rebased

Signed-off-by: Christian König <christian.koe...@amd.com>
Reviewed-by: Michel Dänzer <michel.daen...@amd.com>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c     |  9 +++------
  drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 10 +++-------
  2 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 41994b87c76e..bea5bc64bf7b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -344,7 +344,6 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
  {
        struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
        struct ttm_operation_ctx ctx = { true, false };
-       u64 initial_bytes_moved, bytes_moved;
        uint32_t domain;
        int r;
@@ -374,15 +373,13 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p, retry:
        amdgpu_ttm_placement_from_domain(bo, domain);
-       initial_bytes_moved = atomic64_read(&adev->num_bytes_moved);
        r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
-       bytes_moved = atomic64_read(&adev->num_bytes_moved) -
-                     initial_bytes_moved;
-       p->bytes_moved += bytes_moved;
+
+       p->bytes_moved += ctx.bytes_moved;
        if (adev->mc.visible_vram_size < adev->mc.real_vram_size &&
            bo->tbo.mem.mem_type == TTM_PL_VRAM &&
            bo->tbo.mem.start < adev->mc.visible_vram_size >> PAGE_SHIFT)
-               p->bytes_moved_vis += bytes_moved;
+               p->bytes_moved_vis += ctx.bytes_moved;
if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
                domain = bo->allowed_domains;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 15027f751e07..dc0a8be98043 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -331,7 +331,6 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
        struct amdgpu_bo *bo;
        enum ttm_bo_type type;
        unsigned long page_align;
-       u64 initial_bytes_moved, bytes_moved;
        size_t acc_size;
        int r;
@@ -406,22 +405,19 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
        bo->tbo.bdev = &adev->mman.bdev;
        amdgpu_ttm_placement_from_domain(bo, domain);
- initial_bytes_moved = atomic64_read(&adev->num_bytes_moved);
-       /* Kernel allocation are uninterruptible */
        r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type,
                                 &bo->placement, page_align, &ctx, NULL,
                                 acc_size, sg, resv, &amdgpu_ttm_bo_destroy);
        if (unlikely(r != 0))
                return r;
- bytes_moved = atomic64_read(&adev->num_bytes_moved) -
-                     initial_bytes_moved;
        if (adev->mc.visible_vram_size < adev->mc.real_vram_size &&
            bo->tbo.mem.mem_type == TTM_PL_VRAM &&
            bo->tbo.mem.start < adev->mc.visible_vram_size >> PAGE_SHIFT)
-               amdgpu_cs_report_moved_bytes(adev, bytes_moved, bytes_moved);
+               amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved,
+                                            ctx.bytes_moved);
        else
-               amdgpu_cs_report_moved_bytes(adev, bytes_moved, 0);
+               amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved, 0);
if (kernel)
                bo->tbo.priority = 1;

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