3 files changed, 11 insertions, 50 deletions

diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 36216d28d8bd..544f8f8c3f44 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -35,15 +35,6 @@ struct dma_buf_attachment;
  */
 struct dma_buf_ops {
 	/**
-	  * @cache_sgt_mapping:
-	  *
-	  * If true the framework will cache the first mapping made for each
-	  * attachment. This avoids creating mappings for attachments multiple
-	  * times.
-	  */
-	bool cache_sgt_mapping;
-
-	/**
 	 * @attach:
 	 *
 	 * This is called from dma_buf_attach() to make sure that a given
@@ -493,8 +484,6 @@ struct dma_buf_attach_ops {
  * @dmabuf: buffer for this attachment.
  * @dev: device attached to the buffer.
  * @node: list of dma_buf_attachment, protected by dma_resv lock of the dmabuf.
- * @sgt: cached mapping.
- * @dir: direction of cached mapping.
  * @peer2peer: true if the importer can handle peer resources without pages.
  * @priv: exporter specific attachment data.
  * @importer_ops: importer operations for this attachment, if provided
@@ -514,8 +503,6 @@ struct dma_buf_attachment {
 	struct dma_buf *dmabuf;
 	struct device *dev;
 	struct list_head node;
-	struct sg_table *sgt;
-	enum dma_data_direction dir;
 	bool peer2peer;
 	const struct dma_buf_attach_ops *importer_ops;
 	void *importer_priv;
@@ -583,20 +570,6 @@ static inline bool dma_buf_is_dynamic(struct dma_buf *dmabuf)
 	return !!dmabuf->ops->pin;
 }
 
-/**
- * dma_buf_attachment_is_dynamic - check if a DMA-buf attachment uses dynamic
- * mappings
- * @attach: the DMA-buf attachment to check
- *
- * Returns true if a DMA-buf importer wants to call the map/unmap functions with
- * the dma_resv lock held.
- */
-static inline bool
-dma_buf_attachment_is_dynamic(struct dma_buf_attachment *attach)
-{
-	return !!attach->importer_ops;
-}
-
 struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
 					  struct device *dev);
 struct dma_buf_attachment *
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index e7ad819962e3..b12776883d14 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -169,8 +169,8 @@ struct dma_fence_ops {
 	 * implementation know that there is another driver waiting on the
 	 * signal (ie. hw->sw case).
 	 *
-	 * This function can be called from atomic context, but not
-	 * from irq context, so normal spinlocks can be used.
+	 * This is called with irq's disabled, so only spinlocks which disable
+	 * IRQ's can be used in the code outside of this callback.
 	 *
 	 * A return value of false indicates the fence already passed,
 	 * or some failure occurred that made it impossible to enable
@@ -239,27 +239,6 @@ struct dma_fence_ops {
 	void (*release)(struct dma_fence *fence);
 
 	/**
-	 * @fence_value_str:
-	 *
-	 * Callback to fill in free-form debug info specific to this fence, like
-	 * the sequence number.
-	 *
-	 * This callback is optional.
-	 */
-	void (*fence_value_str)(struct dma_fence *fence, char *str, int size);
-
-	/**
-	 * @timeline_value_str:
-	 *
-	 * Fills in the current value of the timeline as a string, like the
-	 * sequence number. Note that the specific fence passed to this function
-	 * should not matter, drivers should only use it to look up the
-	 * corresponding timeline structures.
-	 */
-	void (*timeline_value_str)(struct dma_fence *fence,
-				   char *str, int size);
-
-	/**
 	 * @set_deadline:
 	 *
 	 * Callback to allow a fence waiter to inform the fence signaler of
diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h
index 6a4a3cec4638..923d68e07679 100644
--- a/include/linux/screen_info.h
+++ b/include/linux/screen_info.h
@@ -126,8 +126,17 @@ static inline unsigned int screen_info_video_type(const struct screen_info *si)
 	return VIDEO_TYPE_CGA;
 }
 
+static inline u32 __screen_info_vesapm_info_base(const struct screen_info *si)
+{
+	if (si->vesapm_seg < 0xc000)
+		return 0;
+	return (si->vesapm_seg << 4) + si->vesapm_off;
+}
+
 ssize_t screen_info_resources(const struct screen_info *si, struct resource *r, size_t num);
 
+u32 __screen_info_lfb_bits_per_pixel(const struct screen_info *si);
+
 #if defined(CONFIG_PCI)
 void screen_info_apply_fixups(void);
 struct pci_dev *screen_info_pci_dev(const struct screen_info *si);