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);