| Message ID | 20220411215849.297838-5-robdclark@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/msm: Userspace allocated GPU addresses | expand |
On 12/04/2022 00:58, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > Prep for a following patch, where it gets a bit more complicated. > > Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.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 | 9 +++++++-- > 3 files changed, 9 insertions(+), 3 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 64906594fc65..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 (GEM_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 */ > @@ -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 (GEM_WARN_ON(vma->inuse > 0 || vma->mapped)) > + if (GEM_WARN_ON(msm_gem_vma_inuse(vma) || vma->mapped)) > return; > > spin_lock(&aspace->lock);
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 64906594fc65..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 (GEM_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 */ @@ -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 (GEM_WARN_ON(vma->inuse > 0 || vma->mapped)) + if (GEM_WARN_ON(msm_gem_vma_inuse(vma) || vma->mapped)) return; spin_lock(&aspace->lock);