drm/msm/dp: use atomic callbacks for DP bridge ops

Use atomic variants for DP bridge callback functions so that
the atomic state can be accessed in the interface drivers.
The atomic state will help the driver find out if the display
is in self refresh state.

Signed-off-by: Sankeerth Billakanti <[e-mail]>
Signed-off-by: Vinod Polimera <[e-mail]>
Reviewed-by: Dmitry Baryshkov <[e-mail]>
Reviewed-by: Douglas Anderson <[e-mail]>
Patchwork: https://patchwork.freedesktop.org/patch/524731/
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Baryshkov <[e-mail]>

drivers/gpu/drm/msm/dp/dp_display.c

···
 	return 0;
 }
 
-void dp_bridge_enable(struct drm_bridge *drm_bridge)
+void dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
+			     struct drm_bridge_state *old_bridge_state)
 {
 	struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
 	struct msm_dp *dp = dp_bridge->dp_display;
···
 	mutex_unlock(&dp_display->event_mutex);
 }
 
-void dp_bridge_disable(struct drm_bridge *drm_bridge)
+void dp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
+			      struct drm_bridge_state *old_bridge_state)
 {
 	struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
 	struct msm_dp *dp = dp_bridge->dp_display;
···
 	dp_ctrl_push_idle(dp_display->ctrl);
 }
 
-void dp_bridge_post_disable(struct drm_bridge *drm_bridge)
+void dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
+				   struct drm_bridge_state *old_bridge_state)
 {
 	struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
 	struct msm_dp *dp = dp_bridge->dp_display;

drivers/gpu/drm/msm/dp/dp_drm.c

···
 	.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,
-	.enable       = dp_bridge_enable,
-	.disable      = dp_bridge_disable,
-	.post_disable = dp_bridge_post_disable,
+	.atomic_enable          = dp_bridge_atomic_enable,
+	.atomic_disable         = dp_bridge_atomic_disable,
+	.atomic_post_disable    = dp_bridge_atomic_post_disable,
 	.mode_set     = dp_bridge_mode_set,
 	.mode_valid   = dp_bridge_mode_valid,
 	.get_modes    = dp_bridge_get_modes,

drivers/gpu/drm/msm/dp/dp_drm.h

···
 struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
 			struct drm_encoder *encoder);
 
-void dp_bridge_enable(struct drm_bridge *drm_bridge);
-void dp_bridge_disable(struct drm_bridge *drm_bridge);
-void dp_bridge_post_disable(struct drm_bridge *drm_bridge);
+void dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
+			     struct drm_bridge_state *old_bridge_state);
+void dp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
+			      struct drm_bridge_state *old_bridge_state);
+void dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
+				   struct drm_bridge_state *old_bridge_state);
 enum drm_mode_status dp_bridge_mode_valid(struct drm_bridge *bridge,
 					  const struct drm_display_info *info,
 					  const struct drm_display_mode *mode);