[PATCH v19 05/30] drm/shmem-helper: Refactor locked/unlocked functions

From: Dmitry Osipenko
Date: Fri Jan 05 2024 - 13:48:13 EST

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Add locked and remove unlocked postfixes from drm-shmem function names,
making names consistent with the drm/gem core code.

Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Suggested-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_gem_shmem_helper.c | 60 +++++++++----------
drivers/gpu/drm/lima/lima_gem.c | 6 +-
drivers/gpu/drm/panfrost/panfrost_drv.c | 2 +-
drivers/gpu/drm/panfrost/panfrost_gem.c | 2 +-
.../gpu/drm/panfrost/panfrost_gem_shrinker.c | 2 +-
drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 +-
include/drm/drm_gem_shmem_helper.h | 28 ++++-----
7 files changed, 51 insertions(+), 51 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 0d61f2b3e213..043e8e3b129c 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -153,7 +153,7 @@ void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem)
kfree(shmem->sgt);
}
if (shmem->pages)
- drm_gem_shmem_put_pages(shmem);
+ drm_gem_shmem_put_pages_locked(shmem);

drm_WARN_ON(obj->dev, shmem->pages_use_count);

@@ -165,7 +165,7 @@ void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem)
}
EXPORT_SYMBOL_GPL(drm_gem_shmem_free);

-static int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem)
+static int drm_gem_shmem_get_pages_locked(struct drm_gem_shmem_object *shmem)
{
struct drm_gem_object *obj = &shmem->base;
struct page **pages;
@@ -199,12 +199,12 @@ static int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem)
}

/*
- * drm_gem_shmem_put_pages - Decrease use count on the backing pages for a shmem GEM object
+ * drm_gem_shmem_put_pages_locked - Decrease use count on the backing pages for a shmem GEM object
* @shmem: shmem GEM object
*
* This function decreases the use count and puts the backing pages when use drops to zero.
*/
-void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem)
+void drm_gem_shmem_put_pages_locked(struct drm_gem_shmem_object *shmem)
{
struct drm_gem_object *obj = &shmem->base;

@@ -226,7 +226,7 @@ void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem)
shmem->pages_mark_accessed_on_put);
shmem->pages = NULL;
}
-EXPORT_SYMBOL_GPL(drm_gem_shmem_put_pages);
+EXPORT_SYMBOL_GPL(drm_gem_shmem_put_pages_locked);

static int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem)
{
@@ -234,7 +234,7 @@ static int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem)

dma_resv_assert_held(shmem->base.resv);

- ret = drm_gem_shmem_get_pages(shmem);
+ ret = drm_gem_shmem_get_pages_locked(shmem);

return ret;
}
@@ -243,7 +243,7 @@ static void drm_gem_shmem_unpin_locked(struct drm_gem_shmem_object *shmem)
{
dma_resv_assert_held(shmem->base.resv);

- drm_gem_shmem_put_pages(shmem);
+ drm_gem_shmem_put_pages_locked(shmem);
}

/**
@@ -293,7 +293,7 @@ void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem)
EXPORT_SYMBOL_GPL(drm_gem_shmem_unpin);

/*
- * drm_gem_shmem_vmap - Create a virtual mapping for a shmem GEM object
+ * drm_gem_shmem_vmap_locked - Create a virtual mapping for a shmem GEM object
* @shmem: shmem GEM object
* @map: Returns the kernel virtual address of the SHMEM GEM object's backing
* store.
@@ -302,13 +302,13 @@ EXPORT_SYMBOL_GPL(drm_gem_shmem_unpin);
* exists for the buffer backing the shmem GEM object. It hides the differences
* between dma-buf imported and natively allocated objects.
*
- * Acquired mappings should be cleaned up by calling drm_gem_shmem_vunmap().
+ * Acquired mappings should be cleaned up by calling drm_gem_shmem_vunmap_locked().
*
* Returns:
* 0 on success or a negative error code on failure.
*/
-int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
- struct iosys_map *map)
+int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem,
+ struct iosys_map *map)
{
struct drm_gem_object *obj = &shmem->base;
int ret = 0;
@@ -331,7 +331,7 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
return 0;
}

- ret = drm_gem_shmem_get_pages(shmem);
+ ret = drm_gem_shmem_get_pages_locked(shmem);
if (ret)
goto err_zero_use;

@@ -354,28 +354,28 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,

err_put_pages:
if (!obj->import_attach)
- drm_gem_shmem_put_pages(shmem);
+ drm_gem_shmem_put_pages_locked(shmem);
err_zero_use:
shmem->vmap_use_count = 0;

return ret;
}
-EXPORT_SYMBOL_GPL(drm_gem_shmem_vmap);
+EXPORT_SYMBOL_GPL(drm_gem_shmem_vmap_locked);

/*
- * drm_gem_shmem_vunmap - Unmap a virtual mapping for a shmem GEM object
+ * drm_gem_shmem_vunmap_locked - Unmap a virtual mapping for a shmem GEM object
* @shmem: shmem GEM object
* @map: Kernel virtual address where the SHMEM GEM object was mapped
*
* This function cleans up a kernel virtual address mapping acquired by
- * drm_gem_shmem_vmap(). The mapping is only removed when the use count drops to
- * zero.
+ * drm_gem_shmem_vmap_locked(). The mapping is only removed when the use count
+ * drops to zero.
*
* This function hides the differences between dma-buf imported and natively
* allocated objects.
*/
-void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
- struct iosys_map *map)
+void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem,
+ struct iosys_map *map)
{
struct drm_gem_object *obj = &shmem->base;

@@ -391,12 +391,12 @@ void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
return;

vunmap(shmem->vaddr);
- drm_gem_shmem_put_pages(shmem);
+ drm_gem_shmem_put_pages_locked(shmem);
}

shmem->vaddr = NULL;
}
-EXPORT_SYMBOL_GPL(drm_gem_shmem_vunmap);
+EXPORT_SYMBOL_GPL(drm_gem_shmem_vunmap_locked);

static int
drm_gem_shmem_create_with_handle(struct drm_file *file_priv,
@@ -424,7 +424,7 @@ drm_gem_shmem_create_with_handle(struct drm_file *file_priv,
/* Update madvise status, returns true if not purged, else
* false or -errno.
*/
-int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv)
+int drm_gem_shmem_madvise_locked(struct drm_gem_shmem_object *shmem, int madv)
{
dma_resv_assert_held(shmem->base.resv);

@@ -435,9 +435,9 @@ int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv)

return (madv >= 0);
}
-EXPORT_SYMBOL_GPL(drm_gem_shmem_madvise);
+EXPORT_SYMBOL_GPL(drm_gem_shmem_madvise_locked);

-void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem)
+void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem)
{
struct drm_gem_object *obj = &shmem->base;
struct drm_device *dev = obj->dev;
@@ -451,7 +451,7 @@ void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem)
kfree(shmem->sgt);
shmem->sgt = NULL;

- drm_gem_shmem_put_pages(shmem);
+ drm_gem_shmem_put_pages_locked(shmem);

shmem->madv = -1;

@@ -467,7 +467,7 @@ void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem)

invalidate_mapping_pages(file_inode(obj->filp)->i_mapping, 0, (loff_t)-1);
}
-EXPORT_SYMBOL_GPL(drm_gem_shmem_purge);
+EXPORT_SYMBOL_GPL(drm_gem_shmem_purge_locked);

/**
* drm_gem_shmem_dumb_create - Create a dumb shmem buffer object
@@ -564,7 +564,7 @@ static void drm_gem_shmem_vm_close(struct vm_area_struct *vma)
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);

dma_resv_lock(shmem->base.resv, NULL);
- drm_gem_shmem_put_pages(shmem);
+ drm_gem_shmem_put_pages_locked(shmem);
dma_resv_unlock(shmem->base.resv);

drm_gem_vm_close(vma);
@@ -611,7 +611,7 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
}

dma_resv_lock(shmem->base.resv, NULL);
- ret = drm_gem_shmem_get_pages(shmem);
+ ret = drm_gem_shmem_get_pages_locked(shmem);
dma_resv_unlock(shmem->base.resv);

if (ret)
@@ -679,7 +679,7 @@ static struct sg_table *drm_gem_shmem_get_pages_sgt_locked(struct drm_gem_shmem_

drm_WARN_ON(obj->dev, obj->import_attach);

- ret = drm_gem_shmem_get_pages(shmem);
+ ret = drm_gem_shmem_get_pages_locked(shmem);
if (ret)
return ERR_PTR(ret);

@@ -701,7 +701,7 @@ static struct sg_table *drm_gem_shmem_get_pages_sgt_locked(struct drm_gem_shmem_
sg_free_table(sgt);
kfree(sgt);
err_put_pages:
- drm_gem_shmem_put_pages(shmem);
+ drm_gem_shmem_put_pages_locked(shmem);
return ERR_PTR(ret);
}

diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c
index 4f9736e5f929..433bda72e59b 100644
--- a/drivers/gpu/drm/lima/lima_gem.c
+++ b/drivers/gpu/drm/lima/lima_gem.c
@@ -180,7 +180,7 @@ static int lima_gem_pin(struct drm_gem_object *obj)
if (bo->heap_size)
return -EINVAL;

- return drm_gem_shmem_pin(&bo->base);
+ return drm_gem_shmem_object_pin(obj);
}

static int lima_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map)
@@ -190,7 +190,7 @@ static int lima_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map)
if (bo->heap_size)
return -EINVAL;

- return drm_gem_shmem_vmap(&bo->base, map);
+ return drm_gem_shmem_object_vmap(obj, map);
}

static int lima_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
@@ -200,7 +200,7 @@ static int lima_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
if (bo->heap_size)
return -EINVAL;

- return drm_gem_shmem_mmap(&bo->base, vma);
+ return drm_gem_shmem_object_mmap(obj, vma);
}

static const struct drm_gem_object_funcs lima_gem_funcs = {
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index a926d71e8131..a15d62f19afb 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -438,7 +438,7 @@ static int panfrost_ioctl_madvise(struct drm_device *dev, void *data,
}
}

- args->retained = drm_gem_shmem_madvise(&bo->base, args->madv);
+ args->retained = drm_gem_shmem_madvise_locked(&bo->base, args->madv);

if (args->retained) {
if (args->madv == PANFROST_MADV_DONTNEED)
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c
index d47b40b82b0b..f268bd5c2884 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.c
@@ -192,7 +192,7 @@ static int panfrost_gem_pin(struct drm_gem_object *obj)
if (bo->is_heap)
return -EINVAL;

- return drm_gem_shmem_pin(&bo->base);
+ return drm_gem_shmem_object_pin(obj);
}

static enum drm_gem_object_status panfrost_gem_status(struct drm_gem_object *obj)
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
index 3d9f51bd48b6..02b60ea1433a 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
@@ -51,7 +51,7 @@ static bool panfrost_gem_purge(struct drm_gem_object *obj)
goto unlock_mappings;

panfrost_gem_teardown_mappings_locked(bo);
- drm_gem_shmem_purge(&bo->base);
+ drm_gem_shmem_purge_locked(&bo->base);
ret = true;

dma_resv_unlock(shmem->base.resv);
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index f38385fe76bb..1ab081bd81a8 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -538,7 +538,7 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
err_map:
sg_free_table(sgt);
err_pages:
- drm_gem_shmem_put_pages(&bo->base);
+ drm_gem_shmem_put_pages_locked(&bo->base);
err_unlock:
dma_resv_unlock(obj->resv);
err_bo:
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index bf0c31aa8fbe..9e83212becbb 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -99,16 +99,16 @@ struct drm_gem_shmem_object {
struct drm_gem_shmem_object *drm_gem_shmem_create(struct drm_device *dev, size_t size);
void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem);

-void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem);
+void drm_gem_shmem_put_pages_locked(struct drm_gem_shmem_object *shmem);
int drm_gem_shmem_pin(struct drm_gem_shmem_object *shmem);
void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem);
-int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
- struct iosys_map *map);
-void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
- struct iosys_map *map);
+int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem,
+ struct iosys_map *map);
+void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem,
+ struct iosys_map *map);
int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct *vma);

-int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv);
+int drm_gem_shmem_madvise_locked(struct drm_gem_shmem_object *shmem, int madv);

static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem)
{
@@ -117,7 +117,7 @@ static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem
!shmem->base.dma_buf && !shmem->base.import_attach;
}

-void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem);
+void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem);

struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_shmem_object *shmem);
struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_shmem_object *shmem);
@@ -208,12 +208,12 @@ static inline struct sg_table *drm_gem_shmem_object_get_sg_table(struct drm_gem_
}

/*
- * drm_gem_shmem_object_vmap - GEM object function for drm_gem_shmem_vmap()
+ * drm_gem_shmem_object_vmap - GEM object function for drm_gem_shmem_vmap_locked()
* @obj: GEM object
* @map: Returns the kernel virtual address of the SHMEM GEM object's backing store.
*
- * This function wraps drm_gem_shmem_vmap(). Drivers that employ the shmem helpers should
- * use it as their &drm_gem_object_funcs.vmap handler.
+ * This function wraps drm_gem_shmem_vmap_locked(). Drivers that employ the shmem
+ * helpers should use it as their &drm_gem_object_funcs.vmap handler.
*
* Returns:
* 0 on success or a negative error code on failure.
@@ -223,7 +223,7 @@ static inline int drm_gem_shmem_object_vmap(struct drm_gem_object *obj,
{
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);

- return drm_gem_shmem_vmap(shmem, map);
+ return drm_gem_shmem_vmap_locked(shmem, map);
}

/*
@@ -231,15 +231,15 @@ static inline int drm_gem_shmem_object_vmap(struct drm_gem_object *obj,
* @obj: GEM object
* @map: Kernel virtual address where the SHMEM GEM object was mapped
*
- * This function wraps drm_gem_shmem_vunmap(). Drivers that employ the shmem helpers should
- * use it as their &drm_gem_object_funcs.vunmap handler.
+ * This function wraps drm_gem_shmem_vunmap_locked(). Drivers that employ the shmem
+ * helpers should use it as their &drm_gem_object_funcs.vunmap handler.
*/
static inline void drm_gem_shmem_object_vunmap(struct drm_gem_object *obj,
struct iosys_map *map)
{
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);

- drm_gem_shmem_vunmap(shmem, map);
+ drm_gem_shmem_vunmap_locked(shmem, map);
}

/**
--
2.43.0

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