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Message-ID: <20250322212608.40511-6-dmitry.osipenko@collabora.com>
Date: Sun, 23 Mar 2025 00:26:03 +0300
From: Dmitry Osipenko <dmitry.osipenko@...labora.com>
To: David Airlie <airlied@...il.com>,
Simona Vetter <simona@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
Christian König <christian.koenig@....com>,
Gerd Hoffmann <kraxel@...hat.com>,
Qiang Yu <yuq825@...il.com>,
Steven Price <steven.price@....com>,
Boris Brezillon <boris.brezillon@...labora.com>,
Frank Binns <frank.binns@...tec.com>,
Matt Coster <matt.coster@...tec.com>
Cc: dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org,
kernel@...labora.com
Subject: [PATCH v20 05/10] drm/shmem-helper: Refactor locked/unlocked functions
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@...labora.com>
Suggested-by: Boris Brezillon <boris.brezillon@...labora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
---
drivers/gpu/drm/drm_gem_shmem_helper.c | 60 +++++++++----------
drivers/gpu/drm/imagination/pvr_gem.c | 4 +-
drivers/gpu/drm/lima/lima_gem.c | 2 +-
drivers/gpu/drm/panfrost/panfrost_drv.c | 2 +-
.../gpu/drm/panfrost/panfrost_gem_shrinker.c | 2 +-
drivers/gpu/drm/tests/drm_gem_shmem_test.c | 14 ++---
include/drm/drm_gem_shmem_helper.h | 28 ++++-----
7 files changed, 56 insertions(+), 56 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 98c68999d61a..a9e35a46e72b 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -174,7 +174,7 @@ 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);
@@ -186,7 +186,7 @@ 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;
@@ -220,12 +220,12 @@ 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;
@@ -247,7 +247,7 @@ 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);
int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem)
{
@@ -257,7 +257,7 @@ int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem)
drm_WARN_ON(shmem->base.dev, drm_gem_is_imported(&shmem->base));
- ret = drm_gem_shmem_get_pages(shmem);
+ ret = drm_gem_shmem_get_pages_locked(shmem);
return ret;
}
@@ -267,7 +267,7 @@ 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);
}
EXPORT_SYMBOL(drm_gem_shmem_unpin_locked);
@@ -318,7 +318,7 @@ 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.
@@ -327,13 +327,13 @@ 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;
@@ -356,7 +356,7 @@ 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;
@@ -379,28 +379,28 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
err_put_pages:
if (!drm_gem_is_imported(obj))
- 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;
@@ -416,12 +416,12 @@ 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,
@@ -449,7 +449,7 @@ 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);
@@ -460,9 +460,9 @@ 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;
@@ -476,7 +476,7 @@ 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;
@@ -492,7 +492,7 @@ 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
@@ -589,7 +589,7 @@ 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);
@@ -639,7 +639,7 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
return -EINVAL;
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)
@@ -707,7 +707,7 @@ static struct sg_table *drm_gem_shmem_get_pages_sgt_locked(struct drm_gem_shmem_
drm_WARN_ON(obj->dev, drm_gem_is_imported(obj));
- ret = drm_gem_shmem_get_pages(shmem);
+ ret = drm_gem_shmem_get_pages_locked(shmem);
if (ret)
return ERR_PTR(ret);
@@ -729,7 +729,7 @@ 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/imagination/pvr_gem.c b/drivers/gpu/drm/imagination/pvr_gem.c
index 6a8c81fe8c1e..d9d7c6d1a138 100644
--- a/drivers/gpu/drm/imagination/pvr_gem.c
+++ b/drivers/gpu/drm/imagination/pvr_gem.c
@@ -203,7 +203,7 @@ pvr_gem_object_vmap(struct pvr_gem_object *pvr_obj)
dma_resv_lock(obj->resv, NULL);
- err = drm_gem_shmem_vmap(shmem_obj, &map);
+ err = drm_gem_shmem_vmap_locked(shmem_obj, &map);
if (err)
goto err_unlock;
@@ -257,7 +257,7 @@ pvr_gem_object_vunmap(struct pvr_gem_object *pvr_obj)
dma_sync_sgtable_for_device(dev, shmem_obj->sgt, DMA_BIDIRECTIONAL);
}
- drm_gem_shmem_vunmap(shmem_obj, &map);
+ drm_gem_shmem_vunmap_locked(shmem_obj, &map);
dma_resv_unlock(obj->resv);
}
diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c
index 9bb997dbb4b9..609221351cde 100644
--- a/drivers/gpu/drm/lima/lima_gem.c
+++ b/drivers/gpu/drm/lima/lima_gem.c
@@ -195,7 +195,7 @@ 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_vmap_locked(&bo->base, map);
}
static int lima_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index 0f3935556ac7..a731f6b59a42 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -476,7 +476,7 @@ 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_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/tests/drm_gem_shmem_test.c b/drivers/gpu/drm/tests/drm_gem_shmem_test.c
index fd4215e2f982..98884966bb92 100644
--- a/drivers/gpu/drm/tests/drm_gem_shmem_test.c
+++ b/drivers/gpu/drm/tests/drm_gem_shmem_test.c
@@ -173,7 +173,7 @@ static void drm_gem_shmem_test_vmap(struct kunit *test)
ret = kunit_add_action_or_reset(test, drm_gem_shmem_free_wrapper, shmem);
KUNIT_ASSERT_EQ(test, ret, 0);
- ret = drm_gem_shmem_vmap(shmem, &map);
+ ret = drm_gem_shmem_vmap_locked(shmem, &map);
KUNIT_ASSERT_EQ(test, ret, 0);
KUNIT_ASSERT_NOT_NULL(test, shmem->vaddr);
KUNIT_ASSERT_FALSE(test, iosys_map_is_null(&map));
@@ -183,7 +183,7 @@ static void drm_gem_shmem_test_vmap(struct kunit *test)
for (i = 0; i < TEST_SIZE; i++)
KUNIT_EXPECT_EQ(test, iosys_map_rd(&map, i, u8), TEST_BYTE);
- drm_gem_shmem_vunmap(shmem, &map);
+ drm_gem_shmem_vunmap_locked(shmem, &map);
KUNIT_EXPECT_NULL(test, shmem->vaddr);
KUNIT_EXPECT_EQ(test, shmem->vmap_use_count, 0);
}
@@ -281,17 +281,17 @@ static void drm_gem_shmem_test_madvise(struct kunit *test)
ret = kunit_add_action_or_reset(test, drm_gem_shmem_free_wrapper, shmem);
KUNIT_ASSERT_EQ(test, ret, 0);
- ret = drm_gem_shmem_madvise(shmem, 1);
+ ret = drm_gem_shmem_madvise_locked(shmem, 1);
KUNIT_EXPECT_TRUE(test, ret);
KUNIT_ASSERT_EQ(test, shmem->madv, 1);
/* Set madv to a negative value */
- ret = drm_gem_shmem_madvise(shmem, -1);
+ ret = drm_gem_shmem_madvise_locked(shmem, -1);
KUNIT_EXPECT_FALSE(test, ret);
KUNIT_ASSERT_EQ(test, shmem->madv, -1);
/* Check that madv cannot be set back to a positive value */
- ret = drm_gem_shmem_madvise(shmem, 0);
+ ret = drm_gem_shmem_madvise_locked(shmem, 0);
KUNIT_EXPECT_FALSE(test, ret);
KUNIT_ASSERT_EQ(test, shmem->madv, -1);
}
@@ -319,7 +319,7 @@ static void drm_gem_shmem_test_purge(struct kunit *test)
ret = drm_gem_shmem_is_purgeable(shmem);
KUNIT_EXPECT_FALSE(test, ret);
- ret = drm_gem_shmem_madvise(shmem, 1);
+ ret = drm_gem_shmem_madvise_locked(shmem, 1);
KUNIT_EXPECT_TRUE(test, ret);
/* The scatter/gather table will be freed by drm_gem_shmem_free */
@@ -329,7 +329,7 @@ static void drm_gem_shmem_test_purge(struct kunit *test)
ret = drm_gem_shmem_is_purgeable(shmem);
KUNIT_EXPECT_TRUE(test, ret);
- drm_gem_shmem_purge(shmem);
+ drm_gem_shmem_purge_locked(shmem);
KUNIT_EXPECT_NULL(test, shmem->pages);
KUNIT_EXPECT_NULL(test, shmem->sgt);
KUNIT_EXPECT_EQ(test, shmem->madv, -1);
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index cef5a6b5a4d6..0609e336479d 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -102,19 +102,19 @@ struct drm_gem_shmem_object *drm_gem_shmem_create_with_mnt(struct drm_device *de
struct vfsmount *gemfs);
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_pin_locked(struct drm_gem_shmem_object *shmem);
void drm_gem_shmem_unpin_locked(struct drm_gem_shmem_object *shmem);
-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)
{
@@ -123,7 +123,7 @@ static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem
!shmem->base.dma_buf && !drm_gem_is_imported(&shmem->base);
}
-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);
@@ -214,12 +214,12 @@ 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.
@@ -229,7 +229,7 @@ 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);
}
/*
@@ -237,15 +237,15 @@ 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);
}
/**
--
2.49.0
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