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-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dsi.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 3955f84dc893..33628d85edad 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1378,6 +1378,7 @@ static void exynos_dsi_unregister_te_irq(struct exynos_dsi *dsi)
static void exynos_dsi_enable(struct drm_encoder *encoder)
{
struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+ struct drm_bridge *iter;
int ret;
if (dsi->state & DSIM_STATE_ENABLED)
@@ -1391,7 +1392,11 @@ static void exynos_dsi_enable(struct drm_encoder *encoder)
if (ret < 0)
goto err_put_sync;
} else {
- drm_bridge_chain_pre_enable(dsi->out_bridge);
+ list_for_each_entry_reverse(iter, &dsi->bridge_chain,
+ chain_node) {
+ if (iter->funcs->pre_enable)
+ iter->funcs->pre_enable(iter);
+ }
}
exynos_dsi_set_display_mode(dsi);
@@ -1402,7 +1407,10 @@ static void exynos_dsi_enable(struct drm_encoder *encoder)
if (ret < 0)
goto err_display_disable;
} else {
- drm_bridge_chain_enable(dsi->out_bridge);
+ list_for_each_entry(iter, &dsi->bridge_chain, chain_node) {
+ if (iter->funcs->enable)
+ iter->funcs->enable(iter);
+ }
}
dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE;
@@ -1420,6 +1428,7 @@ err_put_sync:
static void exynos_dsi_disable(struct drm_encoder *encoder)
{
struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+ struct drm_bridge *iter;
if (!(dsi->state & DSIM_STATE_ENABLED))
return;
@@ -1427,10 +1436,20 @@ static void exynos_dsi_disable(struct drm_encoder *encoder)
dsi->state &= ~DSIM_STATE_VIDOUT_AVAILABLE;
drm_panel_disable(dsi->panel);
- drm_bridge_chain_disable(dsi->out_bridge);
+
+ list_for_each_entry_reverse(iter, &dsi->bridge_chain, chain_node) {
+ if (iter->funcs->disable)
+ iter->funcs->disable(iter);
+ }
+
exynos_dsi_set_display_enable(dsi, false);
drm_panel_unprepare(dsi->panel);
- drm_bridge_chain_post_disable(dsi->out_bridge);
+
+ list_for_each_entry(iter, &dsi->bridge_chain, chain_node) {
+ if (iter->funcs->post_disable)
+ iter->funcs->post_disable(iter);
+ }
+
dsi->state &= ~DSIM_STATE_ENABLED;
pm_runtime_put_sync(dsi->dev);
}
@@ -1523,7 +1542,7 @@ static int exynos_dsi_host_attach(struct mipi_dsi_host *host,
if (out_bridge) {
drm_bridge_attach(encoder, out_bridge, NULL);
dsi->out_bridge = out_bridge;
- list_splice(&encoder->bridge_chain, &dsi->bridge_chain);
+ list_splice_init(&encoder->bridge_chain, &dsi->bridge_chain);
} else {
int ret = exynos_dsi_create_connector(encoder);