1 files changed, 27 insertions, 3 deletions

diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index 1a1b52e6f73e..328272ff77d8 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -8,16 +8,19 @@
 
 #include <linux/component.h>
 #include <linux/kfifo.h>
+#include <linux/module.h>
 #include <linux/of_graph.h>
 #include <linux/of_reserved_mem.h>
+#include <linux/platform_device.h>
 
-#include <drm/drmP.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_drv.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_of.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
 
 #include "sun4i_drv.h"
 #include "sun4i_frontend.h"
@@ -38,7 +41,7 @@ static int drm_sun4i_gem_dumb_create(struct drm_file *file_priv,
 DEFINE_DRM_GEM_CMA_FOPS(sun4i_drv_fops);
 
 static struct drm_driver sun4i_drv_driver = {
-	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC,
+	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
 
 	/* Generic Operations */
 	.fops			= &sun4i_drv_fops,
@@ -82,7 +85,6 @@ static int sun4i_drv_bind(struct device *dev)
 	}
 
 	drm_mode_config_init(drm);
-	drm->mode_config.allow_fb_modifiers = true;
 
 	ret = component_bind_all(drm->dev, drm);
 	if (ret) {
@@ -343,6 +345,27 @@ static int sun4i_drv_add_endpoints(struct device *dev,
 	return count;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int sun4i_drv_drm_sys_suspend(struct device *dev)
+{
+	struct drm_device *drm = dev_get_drvdata(dev);
+
+	return drm_mode_config_helper_suspend(drm);
+}
+
+static int sun4i_drv_drm_sys_resume(struct device *dev)
+{
+	struct drm_device *drm = dev_get_drvdata(dev);
+
+	return drm_mode_config_helper_resume(drm);
+}
+#endif
+
+static const struct dev_pm_ops sun4i_drv_drm_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(sun4i_drv_drm_sys_suspend,
+				sun4i_drv_drm_sys_resume)
+};
+
 static int sun4i_drv_probe(struct platform_device *pdev)
 {
 	struct component_match *match = NULL;
@@ -415,6 +438,7 @@ static struct platform_driver sun4i_drv_platform_driver = {
 	.driver		= {
 		.name		= "sun4i-drm",
 		.of_match_table	= sun4i_drv_of_table,
+		.pm = &sun4i_drv_drm_pm_ops,
 	},
 };
 module_platform_driver(sun4i_drv_platform_driver);