drm/dsi: Implement DCS set_{column,page}_address commands

Provide small convenience wrappers to set the column and page extents of
the frame memory accessed by the host processors.

Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 79927f2d4b6c..061a792daf7d 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -205,6 +205,10 @@ int mipi_dsi_dcs_enter_sleep_mode(struct mipi_dsi_device *dsi);
 int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi);
 int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi);
 int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi);
+int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start,
+                                    u16 end);
+int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start,
+                                  u16 end);
 int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi);
 int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi,
                              enum mipi_dsi_dcs_tear_mode mode);