diff options
| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:44:52 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:36 -0700 |
| commit | 68dcdc99c51c0f0e4678b3b2b66249f3c6715d34 (patch) | |
| tree | 67e4a3d6aef971d3a4e4041827d5f4d0d5c88d05 | |
| parent | f1a1247d8946ab2bd7efdd8c5197495768ef6269 (diff) | |
video: Add a function to control cache flushing
Allow the cache-flushing function of a video device to be controlled.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/video/video-uclass.c | 7 | ||||
| -rw-r--r-- | include/video.h | 8 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c index 63d0d9d7d3..24d537e6c4 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 b20f06f335..fa643ca5ab 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 |