diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4836-drm-amd-Replace-drm_dev_unref-with-drm_dev_put.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4836-drm-amd-Replace-drm_dev_unref-with-drm_dev_put.patch | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4836-drm-amd-Replace-drm_dev_unref-with-drm_dev_put.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4836-drm-amd-Replace-drm_dev_unref-with-drm_dev_put.patch new file mode 100644 index 00000000..2776faa3 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4836-drm-amd-Replace-drm_dev_unref-with-drm_dev_put.patch @@ -0,0 +1,80 @@ +From fa483a1f1886ec73160253b53f3fa330c941d8e1 Mon Sep 17 00:00:00 2001 +From: Thomas Zimmermann <contact@tzimmermann.org> +Date: Thu, 28 Jun 2018 16:10:25 +0200 +Subject: [PATCH 4836/5725] drm/amd: Replace drm_dev_unref with drm_dev_put + +This patch unifies the naming of DRM functions for reference counting +of struct drm_device. The resulting code is more aligned with the rest +of the Linux kernel interfaces. + +Signed-off-by: Thomas Zimmermann <contact@tzimmermann.org> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Raveendra Talabattula <raveendra.talabattula@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++-- + drivers/gpu/drm/drm_drv.c | 14 ++++++++++++++ + include/drm/drm_drv.h | 1 + + 3 files changed, 17 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +index 19f1a74..d01d4f0 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +@@ -669,7 +669,7 @@ 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; + } + +@@ -679,7 +679,7 @@ 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/drm_drv.c b/drivers/gpu/drm/drm_drv.c +index a7b6734..d5a25e6 100644 +--- a/drivers/gpu/drm/drm_drv.c ++++ b/drivers/gpu/drm/drm_drv.c +@@ -670,6 +670,20 @@ static void drm_dev_release(struct kref *ref) + } + + /** ++ * drm_dev_put - Drop reference of a DRM device ++ * @dev: device to drop reference of or NULL ++ * ++ * This decreases the ref-count of @dev by one. The device is destroyed if the ++ * ref-count drops to zero. ++ */ ++void drm_dev_put(struct drm_device *dev) ++{ ++ if (dev) ++ kref_put(&dev->ref, drm_dev_release); ++} ++EXPORT_SYMBOL(drm_dev_put); ++ ++/** + * drm_dev_ref - Take reference of a DRM device + * @dev: device to take reference of or NULL + * +diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h +index f08273c..5c3d3f7 100644 +--- a/include/drm/drm_drv.h ++++ b/include/drm/drm_drv.h +@@ -614,6 +614,7 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver, + int drm_dev_register(struct drm_device *dev, unsigned long flags); + void drm_dev_unregister(struct drm_device *dev); + ++void drm_dev_put(struct drm_device *dev); + void drm_dev_ref(struct drm_device *dev); + void drm_dev_unref(struct drm_device *dev); + void drm_put_dev(struct drm_device *dev); +-- +2.7.4 + |