From: Rob Clark robdclark@chromium.org
Prep for a following patch. While we are at it, convert a few remaining WARN_ON()s to GEM_WARN_ON().
Signed-off-by: Rob Clark robdclark@chromium.org --- drivers/gpu/drm/msm/msm_gem.c | 2 +- drivers/gpu/drm/msm/msm_gem.h | 1 + drivers/gpu/drm/msm/msm_gem_vma.c | 15 ++++++++++----- 3 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index a4f61972667b..f96d1dc72021 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -938,7 +938,7 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m, name, comm ? ":" : "", comm ? comm : "", vma->aspace, vma->iova, vma->mapped ? "mapped" : "unmapped", - vma->inuse); + msm_gem_vma_inuse(vma)); kfree(comm); }
diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index 947ff7d9b471..1b7f0f0b88bf 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -61,6 +61,7 @@ struct msm_gem_vma { int msm_gem_init_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma, int npages, u64 range_start, u64 range_end); +bool msm_gem_vma_inuse(struct msm_gem_vma *vma); void msm_gem_purge_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma); void msm_gem_unmap_vma(struct msm_gem_address_space *aspace, diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c index f914ddbaea89..dc2ae097805e 100644 --- a/drivers/gpu/drm/msm/msm_gem_vma.c +++ b/drivers/gpu/drm/msm/msm_gem_vma.c @@ -37,6 +37,11 @@ msm_gem_address_space_get(struct msm_gem_address_space *aspace) return aspace; }
+bool msm_gem_vma_inuse(struct msm_gem_vma *vma) +{ + return !!vma->inuse; +} + /* Actually unmap memory for the vma */ void msm_gem_purge_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma) @@ -44,7 +49,7 @@ void msm_gem_purge_vma(struct msm_gem_address_space *aspace, unsigned size = vma->node.size << PAGE_SHIFT;
/* Print a message if we try to purge a vma in use */ - if (WARN_ON(vma->inuse > 0)) + if (GEM_WARN_ON(msm_gem_vma_inuse(vma))) return;
/* Don't do anything if the memory isn't mapped */ @@ -61,7 +66,7 @@ void msm_gem_purge_vma(struct msm_gem_address_space *aspace, void msm_gem_unmap_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma) { - if (!WARN_ON(!vma->iova)) + if (!GEM_WARN_ON(!vma->iova)) vma->inuse--; }
@@ -73,7 +78,7 @@ msm_gem_map_vma(struct msm_gem_address_space *aspace, unsigned size = npages << PAGE_SHIFT; int ret = 0;
- if (WARN_ON(!vma->iova)) + if (GEM_WARN_ON(!vma->iova)) return -EINVAL;
/* Increase the usage counter */ @@ -100,7 +105,7 @@ msm_gem_map_vma(struct msm_gem_address_space *aspace, void msm_gem_close_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma) { - if (WARN_ON(vma->inuse > 0 || vma->mapped)) + if (GEM_WARN_ON(msm_gem_vma_inuse(vma) || vma->mapped)) return;
spin_lock(&aspace->lock); @@ -120,7 +125,7 @@ int msm_gem_init_vma(struct msm_gem_address_space *aspace, { int ret;
- if (WARN_ON(vma->iova)) + if (GEM_WARN_ON(vma->iova)) return -EBUSY;
spin_lock(&aspace->lock);