drm/exynos: dsi: Add support for panel prepare and unprepare routines
Modify exynos_dsi driver to support the new panel calls:
prepare and unprepare.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 6302aa6..abb5f61 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1115,7 +1115,7 @@
if (ret < 0)
return ret;
- ret = drm_panel_enable(dsi->panel);
+ ret = drm_panel_prepare(dsi->panel);
if (ret < 0) {
exynos_dsi_poweroff(dsi);
return ret;
@@ -1124,6 +1124,14 @@
exynos_dsi_set_display_mode(dsi);
exynos_dsi_set_display_enable(dsi, true);
+ ret = drm_panel_enable(dsi->panel);
+ if (ret < 0) {
+ exynos_dsi_set_display_enable(dsi, false);
+ drm_panel_unprepare(dsi->panel);
+ exynos_dsi_poweroff(dsi);
+ return ret;
+ }
+
dsi->state |= DSIM_STATE_ENABLED;
return 0;
@@ -1134,8 +1142,9 @@
if (!(dsi->state & DSIM_STATE_ENABLED))
return;
- exynos_dsi_set_display_enable(dsi, false);
drm_panel_disable(dsi->panel);
+ exynos_dsi_set_display_enable(dsi, false);
+ drm_panel_unprepare(dsi->panel);
exynos_dsi_poweroff(dsi);
dsi->state &= ~DSIM_STATE_ENABLED;