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| author |   Alex Deucher <alexander.deucher@amd.com> | 2019-03-28 10:15:03 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-28 10:15:03 -0500 |
| commit | 8944042dece3ed80cd7320ef1f0de8920220ca49 (patch) | |
| tree | 07d620ffd7af4fb117040a5e9e0ccb58ad1b0d40 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | Revert "drm/amdkfd: support concurrent userptr update for HMM" (diff) | |
| download | linux-dev-8944042dece3ed80cd7320ef1f0de8920220ca49.tar.xz linux-dev-8944042dece3ed80cd7320ef1f0de8920220ca49.zip | |
Revert "drm/amdgpu: fix HMM config dependency issue"
This reverts commit 6b8f7e3dee7883084932bbdfce471a2960c6db5d.
This depends on an HMM fix which is not upstream yet.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index c1240bf243ba..ba781088e0e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -710,9 +710,7 @@ struct amdgpu_ttm_tt { uint64_t userptr; struct task_struct *usertask; uint32_t userflags; -#if IS_ENABLED(CONFIG_DRM_AMDGPU_USERPTR) struct hmm_range range; -#endif }; /** @@ -722,7 +720,6 @@ struct amdgpu_ttm_tt { * Calling function must call amdgpu_ttm_tt_userptr_range_done() once and only * once afterwards to stop HMM tracking */ -#if IS_ENABLED(CONFIG_DRM_AMDGPU_USERPTR) int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) { struct amdgpu_ttm_tt *gtt = (void *)ttm; @@ -805,7 +802,6 @@ bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm) return r; } -#endif /** * amdgpu_ttm_tt_set_user_pages - Copy pages in, putting old pages as necessary. @@ -823,6 +819,29 @@ void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages) } /** + * amdgpu_ttm_tt_mark_user_page - Mark pages as dirty + * + * Called while unpinning userptr pages + */ +void amdgpu_ttm_tt_mark_user_pages(struct ttm_tt *ttm) +{ + struct amdgpu_ttm_tt *gtt = (void *)ttm; + unsigned i; + + for (i = 0; i < ttm->num_pages; ++i) { + struct page *page = ttm->pages[i]; + + if (!page) + continue; + + if (!(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY)) + set_page_dirty(page); + + mark_page_accessed(page); + } +} + +/** * amdgpu_ttm_tt_pin_userptr - prepare the sg table with the user pages * * Called by amdgpu_ttm_backend_bind() @@ -883,11 +902,9 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) sg_free_table(ttm->sg); -#if IS_ENABLED(CONFIG_DRM_AMDGPU_USERPTR) if (gtt->range.pfns && ttm->pages[0] == hmm_pfn_to_page(>t->range, gtt->range.pfns[0])) WARN_ONCE(1, "Missing get_user_page_done\n"); -#endif } int amdgpu_ttm_gart_bind(struct amdgpu_device *adev, |