Commit 68dcdc99 authored by Simon Glass's avatar Simon Glass

video: Add a function to control cache flushing

Allow the cache-flushing function of a video device to be controlled.
Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
parent f1a1247d
......@@ -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);
......
......@@ -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
......
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