The lock functions and the locked-pin/unpin functions of GEM VRAM are not
requried any longer. Remove them.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/drm_gem_vram_helper.c | 109 --------------------------
include/drm/drm_gem_vram_helper.h | 5 --
2 files changed, 114 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 42ad80888df7..3dfccdb744da 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -151,36 +151,6 @@ void drm_gem_vram_put(struct drm_gem_vram_object *gbo)
}
EXPORT_SYMBOL(drm_gem_vram_put);
-/**
- * drm_gem_vram_lock() - Locks a VRAM-backed GEM object
- * @gbo: the GEM VRAM object
- * @no_wait: don't wait for buffer object to become available
- *
- * See ttm_bo_reserve() for more information.
- *
- * Returns:
- * 0 on success, or
- * a negative error code otherwise
- */
-int drm_gem_vram_lock(struct drm_gem_vram_object *gbo, bool no_wait)
-{
- return ttm_bo_reserve(&gbo->bo, true, no_wait, NULL);
-}
-EXPORT_SYMBOL(drm_gem_vram_lock);
-
-/**
- * drm_gem_vram_unlock() - \
- Release a reservation acquired by drm_gem_vram_lock()
- * @gbo: the GEM VRAM object
- *
- * See ttm_bo_unreserve() for more information.
- */
-void drm_gem_vram_unlock(struct drm_gem_vram_object *gbo)
-{
- ttm_bo_unreserve(&gbo->bo);
-}
-EXPORT_SYMBOL(drm_gem_vram_unlock);
-
/**
* drm_gem_vram_mmap_offset() - Returns a GEM VRAM object's mmap offset
* @gbo: the GEM VRAM object
@@ -262,49 +232,6 @@ int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag)
}
EXPORT_SYMBOL(drm_gem_vram_pin);
-/**
- * drm_gem_vram_pin_locked() - Pins a GEM VRAM object in a region.
- * @gbo: the GEM VRAM object
- * @pl_flag: a bitmask of possible memory regions
- *
- * Pinning a buffer object ensures that it is not evicted from
- * a memory region. A pinned buffer object has to be unpinned before
- * it can be pinned to another region.
- *
- * This function pins a GEM VRAM object that has already been
- * locked. Use drm_gem_vram_pin() if possible.
- *
- * Returns:
- * 0 on success, or
- * a negative error code otherwise.
- */
-int drm_gem_vram_pin_locked(struct drm_gem_vram_object *gbo,
- unsigned long pl_flag)
-{
- int i, ret;
- struct ttm_operation_ctx ctx = { false, false };
-
- lockdep_assert_held(&gbo->bo.resv->lock.base);
-
- if (gbo->pin_count) {
- ++gbo->pin_count;
- return 0;
- }
-
- drm_gem_vram_placement(gbo, pl_flag);
- for (i = 0; i < gbo->placement.num_placement; ++i)
- gbo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
-
- ret = ttm_bo_validate(&gbo->bo, &gbo->placement, &ctx);
- if (ret < 0)
- return ret;
-
- gbo->pin_count = 1;
-
- return 0;
-}
-EXPORT_SYMBOL(drm_gem_vram_pin_locked);
-
/**
* drm_gem_vram_unpin() - Unpins a GEM VRAM object
* @gbo: the GEM VRAM object
@@ -347,42 +274,6 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo)
}
EXPORT_SYMBOL(drm_gem_vram_unpin);
-/**
- * drm_gem_vram_unpin_locked() - Unpins a GEM VRAM object
- * @gbo: the GEM VRAM object
- *
- * This function unpins a GEM VRAM object that has already been
- * locked. Use drm_gem_vram_unpin() if possible.
- *
- * Returns:
- * 0 on success, or
- * a negative error code otherwise.
- */
-int drm_gem_vram_unpin_locked(struct drm_gem_vram_object *gbo)
-{
- int i, ret;
- struct ttm_operation_ctx ctx = { false, false };
-
- lockdep_assert_held(&gbo->bo.resv->lock.base);
-
- if (WARN_ON_ONCE(!gbo->pin_count))
- return 0;
-
- --gbo->pin_count;
- if (gbo->pin_count)
- return 0;
-
- for (i = 0; i < gbo->placement.num_placement ; ++i)
- gbo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
-
- ret = ttm_bo_validate(&gbo->bo, &gbo->placement, &ctx);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-EXPORT_SYMBOL(drm_gem_vram_unpin_locked);
-
/**
* drm_gem_vram_kmap_at() - Maps a GEM VRAM object into kernel address space
* @gbo: the GEM VRAM object
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 4d1d2c1bf32b..1d4aa87f8dfa 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -77,15 +77,10 @@ struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
unsigned long pg_align,
bool interruptible);
void drm_gem_vram_put(struct drm_gem_vram_object *gbo);
-int drm_gem_vram_lock(struct drm_gem_vram_object *gbo, bool no_wait);
-void drm_gem_vram_unlock(struct drm_gem_vram_object *gbo);
u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo);
s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo);
int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag);
-int drm_gem_vram_pin_locked(struct drm_gem_vram_object *gbo,
- unsigned long pl_flag);
int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo);
-int drm_gem_vram_unpin_locked(struct drm_gem_vram_object *gbo);
void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map,
bool *is_iomem, struct ttm_bo_kmap_obj *kmap);
void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map,
--
2.21.0
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