This eliminates the need for the "connectors" and "gpus" nodes in the
devicetree, which we were doing nothing connector- or gpu-specific
with.

Signed-off-by: Eric Anholt <eric at anholt.net>
---
 drivers/gpu/drm/msm/msm_drv.c | 65 +++++++++++++++++--------------------------
 include/drm/drmP.h            |  2 +-
 2 files changed, 27 insertions(+), 40 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index a9b0573..4e1263b 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -1039,34 +1039,7 @@ static const struct dev_pm_ops msm_pm_ops = {
  * Componentized driver support:
  */

-#ifdef CONFIG_OF
-/* NOTE: the CONFIG_OF case duplicates the same code as exynos or imx
- * (or probably any other).. so probably some room for some helpers
- */
-static int compare_of(struct device *dev, void *data)
-{
-       return dev->of_node == data;
-}
-
-static int add_components(struct device *dev, struct component_match 
**matchptr,
-               const char *name)
-{
-       struct device_node *np = dev->of_node;
-       unsigned i;
-
-       for (i = 0; ; i++) {
-               struct device_node *node;
-
-               node = of_parse_phandle(np, name, i);
-               if (!node)
-                       break;
-
-               component_match_add(dev, matchptr, compare_of, node);
-       }
-
-       return 0;
-}
-#else
+#ifndef CONFIG_OF
 static int compare_dev(struct device *dev, void *data)
 {
        return dev == data;
@@ -1088,6 +1061,20 @@ static const struct component_master_ops msm_drm_ops = {
        .unbind = msm_drm_unbind,
 };

+static struct platform_driver *const noncomponent_drivers[] = {
+#if IS_ENABLED(CONFIG_DRM_MSM_DSI)
+       &msm_dsi_phy_driver,
+#endif
+};
+
+static struct platform_driver *const component_drivers[] = {
+#if IS_ENABLED(CONFIG_DRM_MSM_DSI)
+       &msm_dsi_driver,
+#endif
+       &msm_hdmi_driver,
+       &adreno_driver,
+};
+
 /*
  * Platform driver:
  */
@@ -1096,8 +1083,9 @@ static int msm_pdev_probe(struct platform_device *pdev)
 {
        struct component_match *match = NULL;
 #ifdef CONFIG_OF
-       add_components(&pdev->dev, &match, "connectors");
-       add_components(&pdev->dev, &match, "gpus");
+       drm_platform_component_match_add_drivers(&pdev->dev, &match,
+                                                component_drivers,
+                                                ARRAY_SIZE(component_drivers));
 #else
        /* For non-DT case, it kinda sucks.  We don't actually have a way
         * to know whether or not we are waiting for certain devices (or if
@@ -1159,20 +1147,17 @@ static struct platform_driver msm_platform_driver = {
        .id_table   = msm_id,
 };

-static struct platform_driver *const component_drivers[] = {
-#if IS_ENABLED(CONFIG_DRM_MSM_DSI)
-       &msm_dsi_phy_driver,
-       &msm_dsi_driver,
-#endif
-       &msm_hdmi_driver,
-       &adreno_driver,
-};
-
 static int __init msm_drm_register(void)
 {
        int ret;

        DBG("init");
+
+       ret = drm_platform_register_drivers(noncomponent_drivers,
+                                           ARRAY_SIZE(noncomponent_drivers));
+       if (ret)
+               return ret;
+
        ret = drm_platform_register_drivers(component_drivers,
                                            ARRAY_SIZE(component_drivers));
        if (ret)
@@ -1187,6 +1172,8 @@ static void __exit msm_drm_unregister(void)
        platform_driver_unregister(&msm_platform_driver);
        drm_platform_unregister_drivers(component_drivers,
                                        ARRAY_SIZE(component_drivers));
+       drm_platform_unregister_drivers(noncomponent_drivers,
+                                       ARRAY_SIZE(noncomponent_drivers));
 }

 module_init(msm_drm_register);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index b65d886..0da8599 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1094,7 +1094,7 @@ void drm_platform_unregister_drivers(struct 
platform_driver *const *drv,
                                     int count);
 void drm_platform_component_match_add_drivers(struct device *dev,
                                              struct component_match **match,
-                                             struct platform_driver **drivers,
+                                             struct platform_driver *const 
*drivers,
                                              int count);

 /* returns true if currently okay to sleep */
-- 
2.1.4

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