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From: Vaishali Thakkar <vthakkar1994@gmail.com>
To: alexander.deucher@amd.com
Cc: christian.koenig@amd.com, David1.Zhou@amd.com, airlied@linux.ie,
	brodkin@synopsys.com, linux@armlinux.org.uk,
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	nouveau@lists.freedesktop.org,
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	Vaishali Thakkar <vthakkar1994@gmail.com>
Subject: [PATCH] drm/core: Remove drm_dev_unref() and it's uses
Date: Thu, 26 Apr 2018 15:58:19 +0530	[thread overview]
Message-ID: <20180426102819.6985-1-vthakkar1994@gmail.com> (raw)

It's been a while since we introduced drm_dev{get/put} functions
to replace reference/unreference in drm subsystem for the
consistency purpose. So, with this patch, let's just replace
all current use cases of drm_dev_unref() with drm_dev_put and remove
the function itself.

Coccinelle was used for mass-patching.

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c            |  4 ++--
 drivers/gpu/drm/arc/arcpgu_drv.c                   |  4 ++--
 drivers/gpu/drm/armada/armada_drv.c                |  6 +++---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c       |  4 ++--
 drivers/gpu/drm/drm_drv.c                          | 13 -------------
 drivers/gpu/drm/etnaviv/etnaviv_drv.c              |  4 ++--
 drivers/gpu/drm/exynos/exynos_drm_drv.c            |  4 ++--
 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c          |  4 ++--
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c    |  4 ++--
 drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c    |  8 ++++----
 drivers/gpu/drm/i915/selftests/huge_pages.c        |  2 +-
 drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c   |  2 +-
 drivers/gpu/drm/i915/selftests/i915_gem_evict.c    |  2 +-
 drivers/gpu/drm/i915/selftests/i915_gem_gtt.c      |  2 +-
 drivers/gpu/drm/i915/selftests/i915_gem_object.c   |  2 +-
 drivers/gpu/drm/i915/selftests/i915_request.c      |  2 +-
 drivers/gpu/drm/i915/selftests/i915_vma.c          |  2 +-
 drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c |  2 +-
 drivers/gpu/drm/imx/imx-drm-core.c                 |  4 ++--
 drivers/gpu/drm/mediatek/mtk_drm_drv.c             |  6 +++---
 drivers/gpu/drm/msm/msm_drv.c                      |  8 ++++----
 drivers/gpu/drm/mxsfb/mxsfb_drv.c                  |  4 ++--
 drivers/gpu/drm/nouveau/nouveau_platform.c         |  2 +-
 drivers/gpu/drm/omapdrm/omap_drv.c                 |  4 ++--
 drivers/gpu/drm/pl111/pl111_drv.c                  |  4 ++--
 drivers/gpu/drm/qxl/qxl_drv.c                      |  2 +-
 drivers/gpu/drm/rcar-du/rcar_du_drv.c              |  2 +-
 drivers/gpu/drm/rockchip/rockchip_drm_drv.c        |  4 ++--
 drivers/gpu/drm/shmobile/shmob_drm_drv.c           |  4 ++--
 drivers/gpu/drm/sti/sti_drv.c                      |  8 ++++----
 drivers/gpu/drm/stm/drv.c                          |  4 ++--
 drivers/gpu/drm/sun4i/sun4i_drv.c                  |  4 ++--
 drivers/gpu/drm/tegra/drm.c                        |  4 ++--
 drivers/gpu/drm/tinydrm/core/tinydrm-core.c        |  6 +++---
 drivers/gpu/drm/tve200/tve200_drv.c                |  4 ++--
 drivers/gpu/drm/udl/udl_drv.c                      |  2 +-
 drivers/gpu/drm/vc4/vc4_drv.c                      |  4 ++--
 drivers/gpu/drm/vgem/vgem_drv.c                    |  2 +-
 drivers/gpu/drm/virtio/virtgpu_drm_bus.c           |  2 +-
 drivers/gpu/drm/zte/zx_drm_drv.c                   |  4 ++--
 include/drm/drm_drv.h                              |  1 -
 41 files changed, 73 insertions(+), 87 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 0b19482b36b8..5fb455febeba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -647,7 +647,7 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
 err_pci:
 	pci_disable_device(pdev);
 err_free:
-	drm_dev_unref(dev);
+	drm_dev_put(dev);
 	return ret;
 }
 
@@ -657,7 +657,7 @@ amdgpu_pci_remove(struct pci_dev *pdev)
 	struct drm_device *dev = pci_get_drvdata(pdev);
 
 	drm_dev_unregister(dev);
-	drm_dev_unref(dev);
+	drm_dev_put(dev);
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
 }
diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c
index f067de4e1e82..dcb06d4e9135 100644
--- a/drivers/gpu/drm/arc/arcpgu_drv.c
+++ b/drivers/gpu/drm/arc/arcpgu_drv.c
@@ -216,7 +216,7 @@ static int arcpgu_probe(struct platform_device *pdev)
 	arcpgu_unload(drm);
 
 err_unref:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return ret;
 }
@@ -227,7 +227,7 @@ static int arcpgu_remove(struct platform_device *pdev)
 
 	drm_dev_unregister(drm);
 	arcpgu_unload(drm);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 4b11b6b52f1d..d1705d298a39 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -109,7 +109,7 @@ static int armada_drm_bind(struct device *dev)
 
 	/*
 	 * The drm_device structure must be at the start of
-	 * armada_private for drm_dev_unref() to work correctly.
+	 * armada_private for drm_dev_put() to work correctly.
 	 */
 	BUILD_BUG_ON(offsetof(struct armada_private, drm) != 0);
 
@@ -180,7 +180,7 @@ static int armada_drm_bind(struct device *dev)
 	drm_mode_config_cleanup(&priv->drm);
 	drm_mm_takedown(&priv->linear);
 	flush_work(&priv->fb_unref_work);
-	drm_dev_unref(&priv->drm);
+	drm_dev_put(&priv->drm);
 	return ret;
 }
 
@@ -200,7 +200,7 @@ static void armada_drm_unbind(struct device *dev)
 	drm_mm_takedown(&priv->linear);
 	flush_work(&priv->fb_unref_work);
 
-	drm_dev_unref(&priv->drm);
+	drm_dev_put(&priv->drm);
 }
 
 static int compare_of(struct device *dev, void *data)
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index c1ea5c36b006..1c8487803a70 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
@@ -774,7 +774,7 @@ static int atmel_hlcdc_dc_drm_probe(struct platform_device *pdev)
 	atmel_hlcdc_dc_unload(ddev);
 
 err_unref:
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	return ret;
 }
@@ -785,7 +785,7 @@ static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev)
 
 	drm_dev_unregister(ddev);
 	atmel_hlcdc_dc_unload(ddev);
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index a1b9338736e3..3dc507b13cf2 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -656,19 +656,6 @@ void drm_dev_put(struct drm_device *dev)
 }
 EXPORT_SYMBOL(drm_dev_put);
 
-/**
- * drm_dev_unref - Drop reference of a DRM device
- * @dev: device to drop reference of or NULL
- *
- * This is a compatibility alias for drm_dev_put() and should not be used by new
- * code.
- */
-void drm_dev_unref(struct drm_device *dev)
-{
-	drm_dev_put(dev);
-}
-EXPORT_SYMBOL(drm_dev_unref);
-
 static int create_compat_control_link(struct drm_device *dev)
 {
 	struct drm_minor *minor;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index ab50090d066c..716187a07227 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -613,7 +613,7 @@ static int etnaviv_bind(struct device *dev)
 out_bind:
 	kfree(priv);
 out_unref:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return ret;
 }
@@ -630,7 +630,7 @@ static void etnaviv_unbind(struct device *dev)
 	drm->dev_private = NULL;
 	kfree(priv);
 
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 }
 
 static const struct component_master_ops etnaviv_master_ops = {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index a518e9c6d6cc..3629e5c93e3a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -411,7 +411,7 @@ static int exynos_drm_bind(struct device *dev)
 err_free_private:
 	kfree(private);
 err_free_drm:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return ret;
 }
@@ -435,7 +435,7 @@ static void exynos_drm_unbind(struct device *dev)
 	drm->dev_private = NULL;
 	dev_set_drvdata(dev, NULL);
 
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 }
 
 static const struct component_master_ops exynos_drm_ops = {
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index 80232321a244..664ac9dc1f65 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -358,7 +358,7 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev)
 	return 0;
 
 unref:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 unregister_pix_clk:
 	clk_unregister(fsl_dev->pix_clk);
 disable_clk:
@@ -371,7 +371,7 @@ static int fsl_dcu_drm_remove(struct platform_device *pdev)
 	struct fsl_dcu_drm_device *fsl_dev = platform_get_drvdata(pdev);
 
 	drm_dev_unregister(fsl_dev->drm);
-	drm_dev_unref(fsl_dev->drm);
+	drm_dev_put(fsl_dev->drm);
 	clk_disable_unprepare(fsl_dev->clk);
 	clk_unregister(fsl_dev->pix_clk);
 
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index d4f6f1f9df5b..ec878c7e3f75 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -387,7 +387,7 @@ static int hibmc_pci_probe(struct pci_dev *pdev,
 err_disable:
 	pci_disable_device(pdev);
 err_free:
-	drm_dev_unref(dev);
+	drm_dev_put(dev);
 
 	return ret;
 }
@@ -398,7 +398,7 @@ 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[] = {
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index ddb0403f1975..e6a62d5a00a3 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/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 = {
diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c
index 05bbef363fff..22de60920b1a 100644
--- a/drivers/gpu/drm/i915/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/selftests/huge_pages.c
@@ -1720,7 +1720,7 @@ int i915_gem_huge_page_mock_selftests(void)
 
 	i915_modparams.enable_ppgtt = saved_ppgtt;
 
-	drm_dev_unref(&dev_priv->drm);
+	drm_dev_put(&dev_priv->drm);
 
 	return err;
 }
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c
index 89dc25a5a53b..a7055b12e53c 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c
@@ -389,7 +389,7 @@ int i915_gem_dmabuf_mock_selftests(void)
 
 	err = i915_subtests(tests, i915);
 
-	drm_dev_unref(&i915->drm);
+	drm_dev_put(&i915->drm);
 	return err;
 }
 
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
index ab9d7bee0aae..7b21e4135aa5 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
@@ -490,7 +490,7 @@ int i915_gem_evict_mock_selftests(void)
 	err = i915_subtests(tests, i915);
 	mutex_unlock(&i915->drm.struct_mutex);
 
-	drm_dev_unref(&i915->drm);
+	drm_dev_put(&i915->drm);
 	return err;
 }
 
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index f7dc926f4ef1..1cf4e9af0b65 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -1646,7 +1646,7 @@ int i915_gem_gtt_mock_selftests(void)
 	err = i915_subtests(tests, i915);
 	mutex_unlock(&i915->drm.struct_mutex);
 
-	drm_dev_unref(&i915->drm);
+	drm_dev_put(&i915->drm);
 	return err;
 }
 
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
index fbdb2419d418..7066f22ef8f1 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -586,7 +586,7 @@ int i915_gem_object_mock_selftests(void)
 
 	err = i915_subtests(tests, i915);
 
-	drm_dev_unref(&i915->drm);
+	drm_dev_put(&i915->drm);
 	return err;
 }
 
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 94bc2e1898a4..5d069de4a19a 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -262,7 +262,7 @@ int i915_request_mock_selftests(void)
 		return -ENOMEM;
 
 	err = i915_subtests(tests, i915);
-	drm_dev_unref(&i915->drm);
+	drm_dev_put(&i915->drm);
 
 	return err;
 }
diff --git a/drivers/gpu/drm/i915/selftests/i915_vma.c b/drivers/gpu/drm/i915/selftests/i915_vma.c
index eb89e301b602..9fbba5defb3e 100644
--- a/drivers/gpu/drm/i915/selftests/i915_vma.c
+++ b/drivers/gpu/drm/i915/selftests/i915_vma.c
@@ -734,7 +734,7 @@ int i915_vma_mock_selftests(void)
 	err = i915_subtests(tests, i915);
 	mutex_unlock(&i915->drm.struct_mutex);
 
-	drm_dev_unref(&i915->drm);
+	drm_dev_put(&i915->drm);
 	return err;
 }
 
diff --git a/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c b/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c
index 46580026c7fc..b6c9deeeda7b 100644
--- a/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c
@@ -463,7 +463,7 @@ int intel_breadcrumbs_mock_selftests(void)
 		return -ENOMEM;
 
 	err = i915_subtests(tests, i915->engine[RCS]);
-	drm_dev_unref(&i915->drm);
+	drm_dev_put(&i915->drm);
 
 	return err;
 }
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 1d053bbefc02..27f54cbee7fb 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -307,7 +307,7 @@ static int imx_drm_bind(struct device *dev)
 err_kms:
 	drm_mode_config_cleanup(drm);
 err_unref:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return ret;
 }
@@ -327,7 +327,7 @@ static void imx_drm_unbind(struct device *dev)
 	component_unbind_all(drm->dev, drm);
 	dev_set_drvdata(dev, NULL);
 
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 }
 
 static const struct component_master_ops imx_drm_ops = {
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index a2ca90fc403c..5d024a154e1a 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -341,7 +341,7 @@ static int mtk_drm_bind(struct device *dev)
 err_deinit:
 	mtk_drm_kms_deinit(drm);
 err_free:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 	return ret;
 }
 
@@ -350,7 +350,7 @@ static void mtk_drm_unbind(struct device *dev)
 	struct mtk_drm_private *private = dev_get_drvdata(dev);
 
 	drm_dev_unregister(private->drm);
-	drm_dev_unref(private->drm);
+	drm_dev_put(private->drm);
 	private->drm = NULL;
 }
 
@@ -504,7 +504,7 @@ static int mtk_drm_remove(struct platform_device *pdev)
 
 	drm_dev_unregister(drm);
 	mtk_drm_kms_deinit(drm);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	component_master_del(&pdev->dev, &mtk_drm_ops);
 	pm_runtime_disable(&pdev->dev);
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 30cd514d8f7c..558a82f828b8 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -260,7 +260,7 @@ static int msm_drm_uninit(struct device *dev)
 	msm_mdss_destroy(ddev);
 
 	ddev->dev_private = NULL;
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	kfree(priv);
 
@@ -368,7 +368,7 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv) {
-		drm_dev_unref(ddev);
+		drm_dev_put(ddev);
 		return -ENOMEM;
 	}
 
@@ -378,7 +378,7 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 	ret = msm_mdss_init(ddev);
 	if (ret) {
 		kfree(priv);
-		drm_dev_unref(ddev);
+		drm_dev_put(ddev);
 		return ret;
 	}
 
@@ -398,7 +398,7 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 	if (ret) {
 		msm_mdss_destroy(ddev);
 		kfree(priv);
-		drm_dev_unref(ddev);
+		drm_dev_put(ddev);
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index 5cae8db9dcd4..1ca9bafcd4f2 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -403,7 +403,7 @@ static int mxsfb_probe(struct platform_device *pdev)
 err_unload:
 	mxsfb_unload(drm);
 err_free:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return ret;
 }
@@ -414,7 +414,7 @@ static int mxsfb_remove(struct platform_device *pdev)
 
 	drm_dev_unregister(drm);
 	mxsfb_unload(drm);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c
index 1ada186fab77..039e23548e08 100644
--- a/drivers/gpu/drm/nouveau/nouveau_platform.c
+++ b/drivers/gpu/drm/nouveau/nouveau_platform.c
@@ -36,7 +36,7 @@ static int nouveau_platform_probe(struct platform_device *pdev)
 
 	ret = drm_dev_register(drm, 0);
 	if (ret < 0) {
-		drm_dev_unref(drm);
+		drm_dev_put(drm);
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index 3632854c2b91..e12cedc15e27 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -598,7 +598,7 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev)
 	omap_drm_irq_uninstall(ddev);
 err_free_drm_dev:
 	omap_gem_deinit(ddev);
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 err_destroy_wq:
 	destroy_workqueue(priv->wq);
 	omap_disconnect_dssdevs();
@@ -627,7 +627,7 @@ static void omapdrm_cleanup(struct omap_drm_private *priv)
 	omap_drm_irq_uninstall(ddev);
 	omap_gem_deinit(ddev);
 
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	destroy_workqueue(priv->wq);
 
diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c
index 4621259d5387..6e21308dd6c6 100644
--- a/drivers/gpu/drm/pl111/pl111_drv.c
+++ b/drivers/gpu/drm/pl111/pl111_drv.c
@@ -304,7 +304,7 @@ static int pl111_amba_probe(struct amba_device *amba_dev,
 	return 0;
 
 dev_unref:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 	return ret;
 }
 
@@ -318,7 +318,7 @@ static int pl111_amba_remove(struct amba_device *amba_dev)
 	if (priv->panel)
 		drm_panel_bridge_remove(priv->bridge);
 	drm_mode_config_cleanup(drm);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
index 2445e75cf7ea..86bd42dca09c 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.c
+++ b/drivers/gpu/drm/qxl/qxl_drv.c
@@ -119,7 +119,7 @@ qxl_pci_remove(struct pci_dev *pdev)
 
 	dev->dev_private = NULL;
 	kfree(qdev);
-	drm_dev_unref(dev);
+	drm_dev_put(dev);
 }
 
 static const struct file_operations qxl_fops = {
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 3917d839c04c..1adcf80912e1 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -378,7 +378,7 @@ static int rcar_du_remove(struct platform_device *pdev)
 	drm_kms_helper_poll_fini(ddev);
 	drm_mode_config_cleanup(ddev);
 
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index f814d37b1db2..9c846be8fc64 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -184,7 +184,7 @@ static int rockchip_drm_bind(struct device *dev)
 err_free:
 	drm_dev->dev_private = NULL;
 	dev_set_drvdata(dev, NULL);
-	drm_dev_unref(drm_dev);
+	drm_dev_put(drm_dev);
 	return ret;
 }
 
@@ -204,7 +204,7 @@ static void rockchip_drm_unbind(struct device *dev)
 
 	drm_dev->dev_private = NULL;
 	dev_set_drvdata(dev, NULL);
-	drm_dev_unref(drm_dev);
+	drm_dev_put(drm_dev);
 }
 
 static const struct file_operations rockchip_drm_driver_fops = {
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
index 592572554eb0..8d1ff596c774 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
+++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
@@ -198,7 +198,7 @@ static int shmob_drm_remove(struct platform_device *pdev)
 	drm_kms_helper_poll_fini(ddev);
 	drm_mode_config_cleanup(ddev);
 	drm_irq_uninstall(ddev);
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	return 0;
 }
@@ -294,7 +294,7 @@ static int shmob_drm_probe(struct platform_device *pdev)
 	drm_kms_helper_poll_fini(ddev);
 	drm_mode_config_cleanup(ddev);
 err_free_drm_dev:
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
index 55b6967d27e1..e8d6199878ce 100644
--- a/drivers/gpu/drm/sti/sti_drv.c
+++ b/drivers/gpu/drm/sti/sti_drv.c
@@ -242,7 +242,7 @@ static int sti_bind(struct device *dev)
 
 	ret = sti_init(ddev);
 	if (ret)
-		goto err_drm_dev_unref;
+		goto err_drm_dev_put;
 
 	ret = component_bind_all(ddev->dev, ddev);
 	if (ret)
@@ -266,8 +266,8 @@ static int sti_bind(struct device *dev)
 	drm_mode_config_cleanup(ddev);
 err_cleanup:
 	sti_cleanup(ddev);
-err_drm_dev_unref:
-	drm_dev_unref(ddev);
+err_drm_dev_put:
+	drm_dev_put(ddev);
 	return ret;
 }
 
@@ -277,7 +277,7 @@ static void sti_unbind(struct device *dev)
 
 	drm_dev_unregister(ddev);
 	sti_cleanup(ddev);
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 }
 
 static const struct component_master_ops sti_ops = {
diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
index 9ab00a87f7cc..6ece3acabd56 100644
--- a/drivers/gpu/drm/stm/drv.c
+++ b/drivers/gpu/drm/stm/drv.c
@@ -159,7 +159,7 @@ static int stm_drm_platform_probe(struct platform_device *pdev)
 	return 0;
 
 err_unref:
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	return ret;
 }
@@ -172,7 +172,7 @@ static int stm_drm_platform_remove(struct platform_device *pdev)
 
 	drm_dev_unregister(ddev);
 	drv_unload(ddev);
-	drm_dev_unref(ddev);
+	drm_dev_put(ddev);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index 50d19605c38f..42c881d5275d 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -143,7 +143,7 @@ static int sun4i_drv_bind(struct device *dev)
 	drm_mode_config_cleanup(drm);
 	of_reserved_mem_device_release(dev);
 free_drm:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 	return ret;
 }
 
@@ -156,7 +156,7 @@ static void sun4i_drv_unbind(struct device *dev)
 	sun4i_framebuffer_free(drm);
 	drm_mode_config_cleanup(drm);
 	of_reserved_mem_device_release(dev);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 }
 
 static const struct component_master_ops sun4i_drv_master_ops = {
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 7afe2f635f74..f5119f2bbf5f 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -1210,7 +1210,7 @@ static int host1x_drm_probe(struct host1x_device *dev)
 	return 0;
 
 unref:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 	return err;
 }
 
@@ -1219,7 +1219,7 @@ static int host1x_drm_remove(struct host1x_device *dev)
 	struct drm_device *drm = dev_get_drvdata(&dev->dev);
 
 	drm_dev_unregister(drm);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c
index 4c6616278c48..ca2b6a8b74c2 100644
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c
+++ b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c
@@ -135,7 +135,7 @@ static int tinydrm_init(struct device *parent, struct tinydrm_device *tdev,
 	/*
 	 * We don't embed drm_device, because that prevent us from using
 	 * devm_kzalloc() to allocate tinydrm_device in the driver since
-	 * drm_dev_unref() frees the structure. The devm_ functions provide
+	 * drm_dev_put() frees the structure. The devm_ functions provide
 	 * for easy error handling.
 	 */
 	drm = drm_dev_alloc(driver, parent);
@@ -155,7 +155,7 @@ static void tinydrm_fini(struct tinydrm_device *tdev)
 	drm_mode_config_cleanup(tdev->drm);
 	mutex_destroy(&tdev->dirty_lock);
 	tdev->drm->dev_private = NULL;
-	drm_dev_unref(tdev->drm);
+	drm_dev_put(tdev->drm);
 }
 
 static void devm_tinydrm_release(void *data)
@@ -172,7 +172,7 @@ static void devm_tinydrm_release(void *data)
  *
  * This function initializes @tdev, the underlying DRM device and it's
  * mode_config. Resources will be automatically freed on driver detach (devres)
- * using drm_mode_config_cleanup() and drm_dev_unref().
+ * using drm_mode_config_cleanup() and drm_dev_put().
  *
  * Returns:
  * Zero on success, negative error code on failure.
diff --git a/drivers/gpu/drm/tve200/tve200_drv.c b/drivers/gpu/drm/tve200/tve200_drv.c
index ac344ddb23bc..e36a78ef68b7 100644
--- a/drivers/gpu/drm/tve200/tve200_drv.c
+++ b/drivers/gpu/drm/tve200/tve200_drv.c
@@ -250,7 +250,7 @@ static int tve200_probe(struct platform_device *pdev)
 clk_disable:
 	clk_disable_unprepare(priv->pclk);
 dev_unref:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 	return ret;
 }
 
@@ -265,7 +265,7 @@ static int tve200_remove(struct platform_device *pdev)
 		drm_panel_bridge_remove(priv->bridge);
 	drm_mode_config_cleanup(drm);
 	clk_disable_unprepare(priv->pclk);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 3c45a3064726..d5e94eb7a4ca 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -94,7 +94,7 @@ static int udl_usb_probe(struct usb_interface *interface,
 	return 0;
 
 err_free:
-	drm_dev_unref(dev);
+	drm_dev_put(dev);
 	return r;
 }
 
diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index 94b99c90425a..259c85fcd32c 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -312,7 +312,7 @@ static int vc4_drm_bind(struct device *dev)
 	vc4_gem_destroy(drm);
 	vc4_bo_cache_destroy(drm);
 dev_unref:
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 	return ret;
 }
 
@@ -327,7 +327,7 @@ static void vc4_drm_unbind(struct device *dev)
 
 	drm_mode_config_cleanup(drm);
 
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 }
 
 static const struct component_master_ops vc4_drm_ops = {
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 2524ff116f00..305f87665499 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -505,7 +505,7 @@ static int __init vgem_init(void)
 static void __exit vgem_exit(void)
 {
 	drm_dev_unregister(&vgem_device->drm);
-	drm_dev_unref(&vgem_device->drm);
+	drm_dev_put(&vgem_device->drm);
 }
 
 module_init(vgem_init);
diff --git a/drivers/gpu/drm/virtio/virtgpu_drm_bus.c b/drivers/gpu/drm/virtio/virtgpu_drm_bus.c
index 7df8d0c9026a..094b876f6da6 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drm_bus.c
+++ b/drivers/gpu/drm/virtio/virtgpu_drm_bus.c
@@ -85,6 +85,6 @@ int drm_virtio_init(struct drm_driver *driver, struct virtio_device *vdev)
 	return 0;
 
 err_free:
-	drm_dev_unref(dev);
+	drm_dev_put(dev);
 	return ret;
 }
diff --git a/drivers/gpu/drm/zte/zx_drm_drv.c b/drivers/gpu/drm/zte/zx_drm_drv.c
index 6f4205e80378..02ae1caf6e8a 100644
--- a/drivers/gpu/drm/zte/zx_drm_drv.c
+++ b/drivers/gpu/drm/zte/zx_drm_drv.c
@@ -122,7 +122,7 @@ static int zx_drm_bind(struct device *dev)
 	component_unbind_all(dev, drm);
 out_unregister:
 	dev_set_drvdata(dev, NULL);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 	return ret;
 }
 
@@ -136,7 +136,7 @@ static void zx_drm_unbind(struct device *dev)
 	drm_mode_config_cleanup(drm);
 	component_unbind_all(dev, drm);
 	dev_set_drvdata(dev, NULL);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 }
 
 static const struct component_master_ops zx_drm_master_ops = {
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index d23dcdd1bd95..c16dd4424b8a 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -622,7 +622,6 @@ void drm_dev_unregister(struct drm_device *dev);
 
 void drm_dev_get(struct drm_device *dev);
 void drm_dev_put(struct drm_device *dev);
-void drm_dev_unref(struct drm_device *dev);
 void drm_put_dev(struct drm_device *dev);
 void drm_dev_unplug(struct drm_device *dev);
 
-- 
2.14.1

             reply	other threads:[~2018-04-26 10:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-26 10:28 Vaishali Thakkar [this message]
2018-04-26 10:43 ` Laurent Pinchart
2018-04-26 12:06 ` Thierry Reding
2018-04-26 12:15 ` Boris Brezillon
2018-04-26 12:36 ` [Intel-gfx] " Daniel Vetter
     [not found]   ` <1556510.Xu6NnhyFGZ@avalon>
2018-04-26 12:57     ` Vaishali Thakkar
2018-04-26 13:14     ` Alexandre Belloni

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