drm/msm/gem: Split out inuse helper

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>
Link: https://lore.kernel.org/r/20220411215849.297838-5-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 02b9ae6..f53e298 100644 (file)
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -937,7 +937,7 @@ 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 947ff7d..1b7f0f0 100644 (file)
--- 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 6490659..dc2ae09 100644 (file)
--- 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);