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| author | Christian König <christian.koenig@amd.com> | 2016-09-28 12:03:04 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-25 14:38:27 -0400 |
| commit | f7da30d979d4c6af4b7f4fe3094e581d8c5812d7 (patch) | |
| tree | 146e1d60ebd94ec4be945449a6a399b4f5543b01 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | a7d64de659946e852cd8f2a9691a21ddbb4ebc86 (diff) | |
| download | linux-f7da30d979d4c6af4b7f4fe3094e581d8c5812d7.tar.bz2 | |
drm/amdgpu: move PT validation back into VM code v2
Saves a bunch of CPU cycles when swapping things back in and
allows us to split the VM headers into a separate file.
v2: rename parameters
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 504ae09d3991..a13e551e67cf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -388,9 +388,9 @@ retry: /* Last resort, try to evict something from the current working set */ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p, - struct amdgpu_bo_list_entry *lobj) + struct amdgpu_bo *validated) { - uint32_t domain = lobj->robj->allowed_domains; + uint32_t domain = validated->allowed_domains; int r; if (!p->evictable) @@ -406,7 +406,7 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p, uint32_t other; /* If we reached our current BO we can forget it */ - if (candidate == lobj) + if (candidate->robj == validated) break; other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type); @@ -439,6 +439,23 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p, return false; } +static int amdgpu_cs_validate(void *param, struct amdgpu_bo *bo) +{ + struct amdgpu_cs_parser *p = param; + int r; + + do { + r = amdgpu_cs_bo_validate(p, bo); + } while (r == -ENOMEM && amdgpu_cs_try_evict(p, bo)); + if (r) + return r; + + if (bo->shadow) + r = amdgpu_cs_bo_validate(p, bo); + + return r; +} + static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p, struct list_head *validated) { @@ -466,18 +483,10 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p, if (p->evictable == lobj) p->evictable = NULL; - do { - r = amdgpu_cs_bo_validate(p, bo); - } while (r == -ENOMEM && amdgpu_cs_try_evict(p, lobj)); + r = amdgpu_cs_validate(p, bo); if (r) return r; - if (bo->shadow) { - r = amdgpu_cs_bo_validate(p, bo); - if (r) - return r; - } - if (binding_userptr) { drm_free_large(lobj->user_pages); lobj->user_pages = NULL; @@ -595,14 +604,19 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, list_splice(&need_pages, &p->validated); } - amdgpu_vm_get_pt_bos(p->adev, &fpriv->vm, &duplicates); - p->bytes_moved_threshold = amdgpu_cs_get_threshold_for_moves(p->adev); p->bytes_moved = 0; p->evictable = list_last_entry(&p->validated, struct amdgpu_bo_list_entry, tv.head); + r = amdgpu_vm_validate_pt_bos(p->adev, &fpriv->vm, + amdgpu_cs_validate, p); + if (r) { + DRM_ERROR("amdgpu_vm_validate_pt_bos() failed.\n"); + goto error_validate; + } + r = amdgpu_cs_list_validate(p, &duplicates); if (r) { DRM_ERROR("amdgpu_cs_list_validate(duplicates) failed.\n"); |