diff mbox

[U-Boot,v2,04/37] video: Add a function to control cache flushing

Message ID 1453430725-4641-5-git-send-email-sjg@chromium.org
State Accepted
Delegated to: Simon Glass
Headers show

Commit Message

Simon Glass Jan. 22, 2016, 2:44 a.m. UTC
Allow the cache-flushing function of a video device to be controlled.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

Changes in v2: None

 drivers/video/video-uclass.c | 7 +++++++
 include/video.h              | 8 ++++++++
 2 files changed, 15 insertions(+)

Comments

Simon Glass Jan. 22, 2016, 6:38 p.m. UTC | #1
On 21 January 2016 at 19:44, Simon Glass <sjg@chromium.org> wrote:
> Allow the cache-flushing function of a video device to be controlled.
>
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
>
> Changes in v2: None
>
>  drivers/video/video-uclass.c | 7 +++++++
>  include/video.h              | 8 ++++++++
>  2 files changed, 15 insertions(+)

Applied to u-boot-rockchip.
diff mbox

Patch

diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index 63d0d9d..24d537e 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -42,6 +42,13 @@ 
  */
 DECLARE_GLOBAL_DATA_PTR;
 
+void video_set_flush_dcache(struct udevice *dev, bool flush)
+{
+	struct video_priv *priv = dev_get_uclass_priv(dev);
+
+	priv->flush_dcache = flush;
+}
+
 static ulong alloc_fb(struct udevice *dev, ulong *addrp)
 {
 	struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
diff --git a/include/video.h b/include/video.h
index b20f06f..fa643ca 100644
--- a/include/video.h
+++ b/include/video.h
@@ -158,6 +158,14 @@  int video_get_xsize(struct udevice *dev);
  */
 int video_get_ysize(struct udevice *dev);
 
+/**
+ * Set whether we need to flush the dcache when changing the image. This
+ * defaults to off.
+ *
+ * @param flush		non-zero to flush cache after update, 0 to skip
+ */
+void video_set_flush_dcache(struct udevice *dev, bool flush);
+
 #endif /* CONFIG_DM_VIDEO */
 
 #ifndef CONFIG_DM_VIDEO