From d4d7d3630d703ff19923b82534bc18e345477c6f Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Tue, 2 Aug 2022 08:51:47 -0700 Subject: [PATCH] drm/msm/gem: Add msm_gem_assert_locked() All use of msm_gem_is_locked() is just for WARN_ON()s, so extract out into an msm_gem_assert_locked() patch. Signed-off-by: Rob Clark Patchwork: https://patchwork.freedesktop.org/patch/496136/ Link: https://lore.kernel.org/r/20220802155152.1727594-15-robdclark@gmail.com --- drivers/gpu/drm/msm/msm_gem.c | 36 ++++++++++++++++++------------------ drivers/gpu/drm/msm/msm_gem.h | 8 +++++++- 2 files changed, 25 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index d4e8af4..1dee0d1 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -97,7 +97,7 @@ static struct page **get_pages(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); if (!msm_obj->pages) { struct drm_device *dev = obj->dev; @@ -183,7 +183,7 @@ static struct page **msm_gem_pin_pages_locked(struct drm_gem_object *obj) struct msm_gem_object *msm_obj = to_msm_bo(obj); struct page **p; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); if (GEM_WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED)) { return ERR_PTR(-EBUSY); @@ -278,7 +278,7 @@ static uint64_t mmap_offset(struct drm_gem_object *obj) struct drm_device *dev = obj->dev; int ret; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); /* Make it mmapable */ ret = drm_gem_create_mmap_offset(obj); @@ -307,7 +307,7 @@ static struct msm_gem_vma *add_vma(struct drm_gem_object *obj, struct msm_gem_object *msm_obj = to_msm_bo(obj); struct msm_gem_vma *vma; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); vma = kzalloc(sizeof(*vma), GFP_KERNEL); if (!vma) @@ -326,7 +326,7 @@ static struct msm_gem_vma *lookup_vma(struct drm_gem_object *obj, struct msm_gem_object *msm_obj = to_msm_bo(obj); struct msm_gem_vma *vma; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); list_for_each_entry(vma, &msm_obj->vmas, list) { if (vma->aspace == aspace) @@ -357,7 +357,7 @@ put_iova_spaces(struct drm_gem_object *obj, bool close) struct msm_gem_object *msm_obj = to_msm_bo(obj); struct msm_gem_vma *vma; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); list_for_each_entry(vma, &msm_obj->vmas, list) { if (vma->aspace) { @@ -375,7 +375,7 @@ put_iova_vmas(struct drm_gem_object *obj) struct msm_gem_object *msm_obj = to_msm_bo(obj); struct msm_gem_vma *vma, *tmp; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); list_for_each_entry_safe(vma, tmp, &msm_obj->vmas, list) { del_vma(vma); @@ -388,7 +388,7 @@ static struct msm_gem_vma *get_vma_locked(struct drm_gem_object *obj, { struct msm_gem_vma *vma; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); vma = lookup_vma(obj, aspace); @@ -428,7 +428,7 @@ int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma) if (msm_obj->flags & MSM_BO_CACHED_COHERENT) prot |= IOMMU_CACHE; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); if (GEM_WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED)) return -EBUSY; @@ -448,7 +448,7 @@ void msm_gem_unpin_locked(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); msm_obj->pin_count--; GEM_WARN_ON(msm_obj->pin_count < 0); @@ -469,7 +469,7 @@ static int get_and_pin_iova_range_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma; int ret; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); vma = get_vma_locked(obj, aspace, range_start, range_end); if (IS_ERR(vma)) @@ -630,7 +630,7 @@ static void *get_vaddr(struct drm_gem_object *obj, unsigned madv) struct msm_gem_object *msm_obj = to_msm_bo(obj); int ret = 0; - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); if (obj->import_attach) return ERR_PTR(-ENODEV); @@ -703,7 +703,7 @@ void msm_gem_put_vaddr_locked(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); GEM_WARN_ON(msm_obj->vmap_count < 1); msm_obj->vmap_count--; @@ -745,7 +745,7 @@ void msm_gem_purge(struct drm_gem_object *obj) struct drm_device *dev = obj->dev; struct msm_gem_object *msm_obj = to_msm_bo(obj); - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); GEM_WARN_ON(!is_purgeable(msm_obj)); /* Get rid of any iommu mapping(s): */ @@ -782,7 +782,7 @@ void msm_gem_evict(struct drm_gem_object *obj) struct drm_device *dev = obj->dev; struct msm_gem_object *msm_obj = to_msm_bo(obj); - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); GEM_WARN_ON(is_unevictable(msm_obj)); /* Get rid of any iommu mapping(s): */ @@ -797,7 +797,7 @@ void msm_gem_vunmap(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); if (!msm_obj->vaddr || GEM_WARN_ON(!is_vunmapable(msm_obj))) return; @@ -811,7 +811,7 @@ static void update_lru(struct drm_gem_object *obj) struct msm_drm_private *priv = obj->dev->dev_private; struct msm_gem_object *msm_obj = to_msm_bo(obj); - GEM_WARN_ON(!msm_gem_is_locked(&msm_obj->base)); + msm_gem_assert_locked(&msm_obj->base); if (!msm_obj->pages) { GEM_WARN_ON(msm_obj->pin_count); @@ -831,7 +831,7 @@ static void update_lru(struct drm_gem_object *obj) bool msm_gem_active(struct drm_gem_object *obj) { - GEM_WARN_ON(!msm_gem_is_locked(obj)); + msm_gem_assert_locked(obj); if (to_msm_bo(obj)->pin_count) return true; diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index 0403b27..3c6add5 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -215,6 +215,12 @@ msm_gem_is_locked(struct drm_gem_object *obj) return dma_resv_is_locked(obj->resv) || (kref_read(&obj->refcount) == 0); } +static inline void +msm_gem_assert_locked(struct drm_gem_object *obj) +{ + GEM_WARN_ON(!msm_gem_is_locked(obj)); +} + /* imported/exported objects are not purgeable: */ static inline bool is_unpurgeable(struct msm_gem_object *msm_obj) { @@ -229,7 +235,7 @@ static inline bool is_purgeable(struct msm_gem_object *msm_obj) static inline bool is_vunmapable(struct msm_gem_object *msm_obj) { - GEM_WARN_ON(!msm_gem_is_locked(&msm_obj->base)); + msm_gem_assert_locked(&msm_obj->base); return (msm_obj->vmap_count == 0) && msm_obj->vaddr; } -- 2.7.4