Trigger the panel operation helpers only if host found the panel.
Add check.
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
Changes for v3:
- none
Changes for v2:
- new patch
drivers/gpu/drm/exynos/exynos_drm_dsi.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 8d137857818c..0bb44e476633 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1439,7 +1439,8 @@ static void exynos_dsi_disable(struct drm_encoder *encoder)
dsi->state &= ~DSIM_STATE_VIDOUT_AVAILABLE;
- drm_panel_disable(dsi->panel);
+ if (dsi->panel)
+ drm_panel_disable(dsi->panel);
list_for_each_entry_reverse(iter, &dsi->bridge_chain, chain_node) {
if (iter->funcs->disable)
@@ -1447,7 +1448,8 @@ static void exynos_dsi_disable(struct drm_encoder *encoder)
}
exynos_dsi_set_display_enable(dsi, false);
- drm_panel_unprepare(dsi->panel);
+ if (dsi->panel)
+ drm_panel_unprepare(dsi->panel);
list_for_each_entry(iter, &dsi->bridge_chain, chain_node) {
if (iter->funcs->post_disable)
--
2.25.1
