From 9c8679612e0b71cd3d8d5f4eb99e59b1eeb48695 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Mon, 18 Nov 2019 11:35:27 +0100 Subject: [PATCH] drm/i915: Drop dma_buf->k(un)map MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit No in-tree users left. 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. Acked-by: Christian König Reviewed-by: Chris Wilson Acked-by: Sumit Semwal Signed-off-by: Daniel Vetter Cc: Chris Wilson Cc: Matthew Auld Cc: Daniel Vetter Cc: Jani Nikula Cc: Sam Ravnborg Cc: "Christian König" Link: https://patchwork.freedesktop.org/patch/msgid/20191118103536.17675-7-daniel.vetter@ffwll.ch --- 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 96ce95c8ac5a..da010c45cb30 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, -- 2.30.2