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| author | Rob Clark <robdclark@chromium.org> | 2023-08-02 15:21:52 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2023-08-10 13:08:03 -0700 |
| commit | 7391c282ba0f0e82ac131658e2faf712215ed6a2 (patch) | |
| tree | a1de12c463d9ed0fb65da9b768b9dc0c1ce033ea /drivers/gpu/drm/msm/msm_gem_submit.c | |
| parent | fc896cf3d6913fb0e79ec146fff6dcda5aaa4384 (diff) | |
| download | linux-7391c282ba0f0e82ac131658e2faf712215ed6a2.tar.gz linux-7391c282ba0f0e82ac131658e2faf712215ed6a2.tar.bz2 linux-7391c282ba0f0e82ac131658e2faf712215ed6a2.zip | |
drm/msm: Remove vma use tracking
This was not strictly necessary, as page unpinning (ie. shrinker) only
cares about the resv. It did give us some extra sanity checking for
userspace controlled iova, and was useful to catch issues on kernel and
userspace side when enabling userspace iova. But if userspace screws
this up, it just corrupts it's own gpu buffers and/or gets iova faults.
So we can just let userspace shoot it's own foot and drop the extra per-
buffer SUBMIT overhead.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Patchwork: https://patchwork.freedesktop.org/patch/551023/
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_submit.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_submit.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index ec5aa6932ea1..99744de6c05a 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -261,10 +261,7 @@ static void submit_cleanup_bo(struct msm_gem_submit *submit, int i, */ submit->bos[i].flags &= ~cleanup_flags; - if (flags & BO_VMA_PINNED) - msm_gem_vma_unpin(submit->bos[i].vma); - - if (flags & BO_OBJ_PINNED) + if (flags & BO_PINNED) msm_gem_unpin_locked(obj); if (flags & BO_LOCKED) @@ -273,7 +270,7 @@ static void submit_cleanup_bo(struct msm_gem_submit *submit, int i, static void submit_unlock_unpin_bo(struct msm_gem_submit *submit, int i) { - unsigned cleanup_flags = BO_VMA_PINNED | BO_OBJ_PINNED | BO_LOCKED; + unsigned cleanup_flags = BO_PINNED | BO_LOCKED; submit_cleanup_bo(submit, i, cleanup_flags); if (!(submit->bos[i].flags & BO_VALID)) @@ -404,9 +401,6 @@ static int submit_pin_objects(struct msm_gem_submit *submit) if (ret) break; - submit->bos[i].flags |= BO_VMA_PINNED; - submit->bos[i].vma = vma; - if (vma->iova == submit->bos[i].iova) { submit->bos[i].flags |= BO_VALID; } else { @@ -427,7 +421,7 @@ static int submit_pin_objects(struct msm_gem_submit *submit) mutex_lock(&priv->lru.lock); for (i = 0; i < submit->nr_bos; i++) { msm_gem_pin_obj_locked(submit->bos[i].obj); - submit->bos[i].flags |= BO_OBJ_PINNED; + submit->bos[i].flags |= BO_PINNED; } mutex_unlock(&priv->lru.lock); @@ -554,7 +548,7 @@ static void submit_cleanup(struct msm_gem_submit *submit, bool error) unsigned i; if (error) - cleanup_flags |= BO_VMA_PINNED | BO_OBJ_PINNED; + cleanup_flags |= BO_PINNED; for (i = 0; i < submit->nr_bos; i++) { struct drm_gem_object *obj = submit->bos[i].obj; |