drm/omap: dss: Remove unused omap_dss_device operations

The omap_dss_device .pre_enable(), .post_disable() and .set_timings()
are not used anymore. Remove them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-55-laurent.pinchart@ideasonboard.com

diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
index 455b410..c7650a7 100644 (file)
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -234,18 +234,6 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
 }
 EXPORT_SYMBOL_GPL(omapdss_device_disconnect);
 
-void omapdss_device_pre_enable(struct omap_dss_device *dssdev)
-{
-       if (!dssdev)
-               return;
-
-       omapdss_device_pre_enable(dssdev->next);
-
-       if (dssdev->ops && dssdev->ops->pre_enable)
-               dssdev->ops->pre_enable(dssdev);
-}
-EXPORT_SYMBOL_GPL(omapdss_device_pre_enable);
-
 void omapdss_device_enable(struct omap_dss_device *dssdev)
 {
        if (!dssdev)
@@ -272,20 +260,6 @@ void omapdss_device_disable(struct omap_dss_device *dssdev)
 }
 EXPORT_SYMBOL_GPL(omapdss_device_disable);
 
-void omapdss_device_post_disable(struct omap_dss_device *dssdev)
-{
-       if (!dssdev)
-               return;
-
-       if (dssdev->ops && dssdev->ops->post_disable)
-               dssdev->ops->post_disable(dssdev);
-
-       omapdss_device_post_disable(dssdev->next);
-
-       dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-EXPORT_SYMBOL_GPL(omapdss_device_post_disable);
-
 /* -----------------------------------------------------------------------------
  * Components Handling
  */

diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index cbbe10b..ab19d4a 100644 (file)
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -342,15 +342,11 @@ struct omap_dss_device_ops {
        void (*disconnect)(struct omap_dss_device *dssdev,
                        struct omap_dss_device *dst);
 
-       void (*pre_enable)(struct omap_dss_device *dssdev);
        void (*enable)(struct omap_dss_device *dssdev);
        void (*disable)(struct omap_dss_device *dssdev);
-       void (*post_disable)(struct omap_dss_device *dssdev);
 
        int (*check_timings)(struct omap_dss_device *dssdev,
                             struct drm_display_mode *mode);
-       void (*set_timings)(struct omap_dss_device *dssdev,
-                           const struct drm_display_mode *mode);
 
        int (*get_modes)(struct omap_dss_device *dssdev,
                         struct drm_connector *connector);
@@ -449,10 +445,8 @@ int omapdss_device_connect(struct dss_device *dss,
                           struct omap_dss_device *dst);
 void omapdss_device_disconnect(struct omap_dss_device *src,
                               struct omap_dss_device *dst);
-void omapdss_device_pre_enable(struct omap_dss_device *dssdev);
 void omapdss_device_enable(struct omap_dss_device *dssdev);
 void omapdss_device_disable(struct omap_dss_device *dssdev);
-void omapdss_device_post_disable(struct omap_dss_device *dssdev);
 
 int omap_dss_get_num_overlay_managers(void);
 

diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c
index 18a79dd..ae4b867 100644 (file)
--- a/drivers/gpu/drm/omapdrm/omap_encoder.c
+++ b/drivers/gpu/drm/omapdrm/omap_encoder.c
@@ -113,13 +113,8 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder,
        bus_flags = connector->display_info.bus_flags;
        omap_encoder_update_videomode_flags(&vm, bus_flags);
 
-       /* Set timings for all devices in the display pipeline. */
+       /* Set timings for the dss manager. */
        dss_mgr_set_timings(output, &vm);
-
-       for (dssdev = output; dssdev; dssdev = dssdev->next) {
-               if (dssdev->ops && dssdev->ops->set_timings)
-                       dssdev->ops->set_timings(dssdev, adjusted_mode);
-       }
 }
 
 static void omap_encoder_disable(struct drm_encoder *encoder)
@@ -132,26 +127,10 @@ static void omap_encoder_disable(struct drm_encoder *encoder)
 
        /*
         * Disable the chain of external devices, starting at the one at the
-        * internal encoder's output.
+        * internal encoder's output. This is used for DSI outputs only, as
+        * dssdev->next is NULL for all other outputs.
         */
        omapdss_device_disable(dssdev->next);
-
-       /*
-        * Disable the internal encoder. This will disable the DSS output. The
-        * DSI is treated as an exception as DSI pipelines still use the legacy
-        * flow where the pipeline output controls the encoder.
-        */
-       if (dssdev->type != OMAP_DISPLAY_TYPE_DSI) {
-               if (dssdev->ops && dssdev->ops->disable)
-                       dssdev->ops->disable(dssdev);
-               dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-       }
-
-       /*
-        * Perform the post-disable operations on the chain of external devices
-        * to complete the display pipeline disable.
-        */
-       omapdss_device_post_disable(dssdev->next);
 }
 
 static void omap_encoder_enable(struct drm_encoder *encoder)
@@ -162,23 +141,10 @@ static void omap_encoder_enable(struct drm_encoder *encoder)
 
        dev_dbg(dev->dev, "enable(%s)\n", dssdev->name);
 
-       /* Prepare the chain of external devices for pipeline enable. */
-       omapdss_device_pre_enable(dssdev->next);
-
-       /*
-        * Enable the internal encoder. This will enable the DSS output. The
-        * DSI is treated as an exception as DSI pipelines still use the legacy
-        * flow where the pipeline output controls the encoder.
-        */
-       if (dssdev->type != OMAP_DISPLAY_TYPE_DSI) {
-               if (dssdev->ops && dssdev->ops->enable)
-                       dssdev->ops->enable(dssdev);
-               dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-       }
-
        /*
         * Enable the chain of external devices, starting at the one at the
-        * internal encoder's output.
+        * internal encoder's output. This is used for DSI outputs only, as
+        * dssdev->next is NULL for all other outputs.
         */
        omapdss_device_enable(dssdev->next);
 }