Merge tag 'drm-hisilicon-next-2018-09-26' of github.com:xin3liang/linux into drm-next

- A crash fix founded in recent linux-next from John Garry
- One sparse warning fix from Souptick Joarder
- Some xxx_unref cleanup from Thomas Zimmermann

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Xinliang Liu <xinliang.liu@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/CAGd==04mXPMjVZ3=cM8r+DSQNM6zy7Anc4T2OsHjZgSsazBTPQ@mail.gmail.com

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c

@@ -37,7 +37,7 @@ static const struct file_operations hibmc_fops = {
 	.llseek		= no_llseek,
 };
 
-irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
+static irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
 {
 	struct drm_device *dev = (struct drm_device *)arg;
 	struct hibmc_drm_private *priv =
@@ -74,30 +74,16 @@ static int __maybe_unused hibmc_pm_suspend(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
-	struct hibmc_drm_private *priv = drm_dev->dev_private;
-
-	drm_kms_helper_poll_disable(drm_dev);
-	priv->suspend_state = drm_atomic_helper_suspend(drm_dev);
-	if (IS_ERR(priv->suspend_state)) {
-		DRM_ERROR("drm_atomic_helper_suspend failed: %ld\n",
-			  PTR_ERR(priv->suspend_state));
-		drm_kms_helper_poll_enable(drm_dev);
-		return PTR_ERR(priv->suspend_state);
-	}
 
-	return 0;
+	return drm_mode_config_helper_suspend(drm_dev);
 }
 
 static int  __maybe_unused hibmc_pm_resume(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
-	struct hibmc_drm_private *priv = drm_dev->dev_private;
 
-	drm_atomic_helper_resume(drm_dev, priv->suspend_state);
-	drm_kms_helper_poll_enable(drm_dev);
-
-	return 0;
+	return drm_mode_config_helper_resume(drm_dev);
 }
 
 static const struct dev_pm_ops hibmc_pm_ops = {
@@ -387,7 +373,7 @@ err_unload:
 err_disable:
 	pci_disable_device(pdev);
 err_free:
-	drm_dev_unref(dev);
+	drm_dev_put(dev);
 
 	return ret;
 }
@@ -398,11 +384,11 @@ static void hibmc_pci_remove(struct pci_dev *pdev)
 
 	drm_dev_unregister(dev);
 	hibmc_unload(dev);
-	drm_dev_unref(dev);
+	drm_dev_put(dev);
 }
 
 static struct pci_device_id hibmc_pci_table[] = {
-	{0x19e5, 0x1711, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{ PCI_VDEVICE(HUAWEI, 0x1711) },
 	{0,}
 };
 

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h

@@ -47,7 +47,6 @@ struct hibmc_drm_private {
 	/* drm */
 	struct drm_device  *dev;
 	bool mode_config_initialized;
-	struct drm_atomic_state *suspend_state;
 
 	/* ttm */
 	struct drm_global_reference mem_global_ref;

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c

@@ -71,7 +71,6 @@ static int hibmc_drm_fb_create(struct drm_fb_helper *helper,
 	DRM_DEBUG_DRIVER("surface width(%d), height(%d) and bpp(%d)\n",
 			 sizes->surface_width, sizes->surface_height,
 			 sizes->surface_bpp);
-	sizes->surface_depth = 32;
 
 	bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8);
 
@@ -122,6 +121,7 @@ static int hibmc_drm_fb_create(struct drm_fb_helper *helper,
 	hi_fbdev->fb = hibmc_framebuffer_init(priv->dev, &mode_cmd, gobj);
 	if (IS_ERR(hi_fbdev->fb)) {
 		ret = PTR_ERR(hi_fbdev->fb);
+		hi_fbdev->fb = NULL;
 		DRM_ERROR("failed to initialize framebuffer: %d\n", ret);
 		goto out_release_fbi;
 	}

drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c

@@ -283,7 +283,7 @@ static void hibmc_bo_unref(struct hibmc_bo **bo)
 		return;
 
 	tbo = &((*bo)->bo);
-	ttm_bo_unref(&tbo);
+	ttm_bo_put(tbo);
 	*bo = NULL;
 }
 

drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c

@@ -193,7 +193,7 @@ static int kirin_drm_bind(struct device *dev)
 
 	ret = kirin_drm_kms_init(drm_dev);
 	if (ret)
-		goto err_drm_dev_unref;
+		goto err_drm_dev_put;
 
 	ret = drm_dev_register(drm_dev, 0);
 	if (ret)
@@ -203,8 +203,8 @@ static int kirin_drm_bind(struct device *dev)
 
 err_kms_cleanup:
 	kirin_drm_kms_cleanup(drm_dev);
-err_drm_dev_unref:
-	drm_dev_unref(drm_dev);
+err_drm_dev_put:
+	drm_dev_put(drm_dev);
 
 	return ret;
 }
@@ -215,7 +215,7 @@ static void kirin_drm_unbind(struct device *dev)
 
 	drm_dev_unregister(drm_dev);
 	kirin_drm_kms_cleanup(drm_dev);
-	drm_dev_unref(drm_dev);
+	drm_dev_put(drm_dev);
 }
 
 static const struct component_master_ops kirin_drm_ops = {