Am 18.11.19 um 11:35 schrieb Daniel Vetter:
No in-tree users left.
Good to know, thanks.
Aside, I think mock_dmabuf would be a nice addition to drm
mock/selftest helpers (we have some already), with an
EXPORT_SYMBOL_FOR_TESTS_ONLY.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 36 -------------------
.../gpu/drm/i915/gem/selftests/mock_dmabuf.c | 16 ---------
2 files changed, 52 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
index eaea49d08eb5..372b57ca0efc 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
@@ -93,40 +93,6 @@ static void i915_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
i915_gem_object_unpin_map(obj);
}
-static void *i915_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num)
-{
- struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf);
- struct page *page;
-
- if (page_num >= obj->base.size >> PAGE_SHIFT)
- return NULL;
-
- if (!i915_gem_object_has_struct_page(obj))
- return NULL;
-
- if (i915_gem_object_pin_pages(obj))
- return NULL;
-
- /* Synchronisation is left to the caller (via .begin_cpu_access()) */
- page = i915_gem_object_get_page(obj, page_num);
- if (IS_ERR(page))
- goto err_unpin;
-
- return kmap(page);
-
-err_unpin:
- i915_gem_object_unpin_pages(obj);
- return NULL;
-}
-
-static void i915_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num, void *addr)
-{
- struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf);
-
- kunmap(virt_to_page(addr));
- i915_gem_object_unpin_pages(obj);
-}
-
static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
{
struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf);
@@ -195,8 +161,6 @@ static const struct dma_buf_ops i915_dmabuf_ops = {
.map_dma_buf = i915_gem_map_dma_buf,
.unmap_dma_buf = i915_gem_unmap_dma_buf,
.release = drm_gem_dmabuf_release,
- .map = i915_gem_dmabuf_kmap,
- .unmap = i915_gem_dmabuf_kunmap,
.mmap = i915_gem_dmabuf_mmap,
.vmap = i915_gem_dmabuf_vmap,
.vunmap = i915_gem_dmabuf_vunmap,
diff --git a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
index b9e059d4328a..9272bef57092 100644
--- a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
@@ -76,20 +76,6 @@ static void mock_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
vm_unmap_ram(vaddr, mock->npages);
}
-static void *mock_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num)
-{
- struct mock_dmabuf *mock = to_mock(dma_buf);
-
- return kmap(mock->pages[page_num]);
-}
-
-static void mock_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num, void *addr)
-{
- struct mock_dmabuf *mock = to_mock(dma_buf);
-
- return kunmap(mock->pages[page_num]);
-}
-
static int mock_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
{
return -ENODEV;
@@ -99,8 +85,6 @@ static const struct dma_buf_ops mock_dmabuf_ops = {
.map_dma_buf = mock_map_dma_buf,
.unmap_dma_buf = mock_unmap_dma_buf,
.release = mock_dmabuf_release,
- .map = mock_dmabuf_kmap,
- .unmap = mock_dmabuf_kunmap,
.mmap = mock_dmabuf_mmap,
.vmap = mock_dmabuf_vmap,
.vunmap = mock_dmabuf_vunmap,
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