[PATCH v5 4/7] drm: sun4i: dsi: Add mode_set function

[Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>]

Get the display mode settings via mode_set bridge function
instead of explicitly de-reference.

Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
Changes for v5:
- new patch

 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 12 +++++++++++-
 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h |  1 +
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index a6a272b55f77..731af31e2bde 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -718,7 +718,7 @@ static void sun6i_dsi_bridge_atomic_enable(struct drm_bridge *bridge,
 					   struct drm_bridge_state *old_bridge_state)
 {
 	struct sun6i_dsi *dsi = bridge_to_sun6i_dsi(bridge);
-	struct drm_display_mode *mode = &bridge->encoder->crtc->state->adjusted_mode;
+	struct drm_display_mode *mode = &dsi->mode;
 	struct mipi_dsi_device *device = dsi->device;
 	union phy_configure_opts opts = { };
 	struct phy_configure_opts_mipi_dphy *cfg = &opts.mipi_dphy;
@@ -854,6 +854,15 @@ static const struct drm_connector_funcs sun6i_dsi_connector_funcs = {
 	.atomic_destroy_state	= drm_atomic_helper_connector_destroy_state,
 };
 
+static void sun6i_dsi_bridge_mode_set(struct drm_bridge *bridge,
+				      const struct drm_display_mode *mode,
+				      const struct drm_display_mode *adjusted_mode)
+{
+	struct sun6i_dsi *dsi = bridge_to_sun6i_dsi(bridge);
+
+	drm_mode_copy(&dsi->mode, adjusted_mode);
+}
+
 static int sun6i_dsi_bridge_attach(struct drm_bridge *bridge,
 				   enum drm_bridge_attach_flags flags)
 {
@@ -872,6 +881,7 @@ static const struct drm_bridge_funcs sun6i_dsi_bridge_funcs = {
 	.atomic_reset		= drm_atomic_helper_bridge_reset,
 	.atomic_enable		= sun6i_dsi_bridge_atomic_enable,
 	.atomic_disable		= sun6i_dsi_bridge_atomic_disable,
+	.mode_set		= sun6i_dsi_bridge_mode_set,
 	.attach			= sun6i_dsi_bridge_attach,
 };
 
diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h
index d269304691c9..acdd586a4157 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h
@@ -20,6 +20,7 @@ struct sun6i_dsi {
 	struct drm_connector	connector;
 	struct drm_encoder	encoder;
 	struct mipi_dsi_host	host;
+	struct drm_display_mode	mode;
 
 	struct clk		*bus_clk;
 	struct clk		*mod_clk;
-- 
2.25.1