[PATCH v2 4/4] drm: exynos: dsi: Switch to atomic funcs

[Jagan Teki]

The new support drm bridges are moving towards atomic functions.

Replace atomic version of functions to continue the transition
to the atomic API.

Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
---
Changes for v2:
- new patch 

 drivers/gpu/drm/exynos/exynos_drm_dsi.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c 
b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 37ad94b563c4..f2c12a356952 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1372,7 +1372,8 @@ static void exynos_dsi_unregister_te_irq(struct 
exynos_dsi *dsi)
        }
 }
 
-static void exynos_dsi_enable(struct drm_bridge *bridge)
+static void exynos_dsi_atomic_enable(struct drm_bridge *bridge,
+                                    struct drm_bridge_state *old_bridge_state)
 {
        struct exynos_dsi *dsi = bridge_to_dsi(bridge);
        const struct drm_bridge_funcs *funcs = dsi->out_bridge->funcs;
@@ -1390,19 +1391,20 @@ static void exynos_dsi_enable(struct drm_bridge *bridge)
        dsi->state |= DSIM_STATE_ENABLED;
 
        if (dsi->out_bridge)
-               funcs->pre_enable(dsi->out_bridge);
+               funcs->atomic_pre_enable(dsi->out_bridge, old_bridge_state);
 
        exynos_dsi_set_display_mode(bridge);
        exynos_dsi_set_display_enable(dsi, true);
 
        if (dsi->out_bridge)
-               funcs->enable(dsi->out_bridge);
+               funcs->atomic_enable(dsi->out_bridge, old_bridge_state);
 
        dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE;
        return;
 }
 
-static void exynos_dsi_disable(struct drm_bridge *bridge)
+static void exynos_dsi_atomic_disable(struct drm_bridge *bridge,
+                                     struct drm_bridge_state *old_bridge_state)
 {
        struct exynos_dsi *dsi = bridge_to_dsi(bridge);
        const struct drm_bridge_funcs *funcs = dsi->out_bridge->funcs;
@@ -1413,12 +1415,12 @@ static void exynos_dsi_disable(struct drm_bridge 
*bridge)
        dsi->state &= ~DSIM_STATE_VIDOUT_AVAILABLE;
 
        if (dsi->out_bridge)
-               funcs->disable(dsi->out_bridge);
+               funcs->atomic_disable(dsi->out_bridge, old_bridge_state);
 
        exynos_dsi_set_display_enable(dsi, false);
 
        if (dsi->out_bridge)
-               funcs->post_disable(dsi->out_bridge);
+               funcs->atomic_post_disable(dsi->out_bridge, old_bridge_state);
 
        dsi->state &= ~DSIM_STATE_ENABLED;
        pm_runtime_put_sync(dsi->dev);
@@ -1433,8 +1435,11 @@ static int exynos_dsi_attach(struct drm_bridge *bridge,
 }
 
 static const struct drm_bridge_funcs exynos_dsi_bridge_funcs = {
-       .enable                 = exynos_dsi_enable,
-       .disable                = exynos_dsi_disable,
+       .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
+       .atomic_destroy_state   = drm_atomic_helper_bridge_destroy_state,
+       .atomic_reset           = drm_atomic_helper_bridge_reset,
+       .atomic_enable          = exynos_dsi_atomic_enable,
+       .atomic_disable         = exynos_dsi_atomic_disable,
        .attach                 = exynos_dsi_attach,
 };
 
@@ -1605,7 +1610,7 @@ static void exynos_dsi_unbind(struct device *dev, struct 
device *master,
 {
        struct exynos_dsi *dsi = dev_get_drvdata(dev);
 
-       exynos_dsi_disable(&dsi->bridge);
+       exynos_dsi_atomic_disable(&dsi->bridge, NULL);
 
        mipi_dsi_host_unregister(&dsi->dsi_host);
 }
-- 
2.25.1