[Intel-gfx] [PATCH 25/51] drm: Garbage collect drm_dev_fini
Sam Ravnborg
sam at ravnborg.org
Sat Mar 7 08:30:54 UTC 2020
On Mon, Mar 02, 2020 at 11:26:05PM +0100, Daniel Vetter wrote:
> It has become empty. Given the few users I figured not much point
> splitting this up.
>
> v2: Rebase over i915 changes.
>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Acked-by: Sam Ravnborg <sam at ravnborg.org>
> ---
> drivers/gpu/drm/cirrus/cirrus.c | 1 -
> drivers/gpu/drm/drm_drv.c | 23 +------------------
> drivers/gpu/drm/drm_mipi_dbi.c | 1 -
> drivers/gpu/drm/i915/i915_drv.c | 9 --------
> .../gpu/drm/i915/selftests/mock_gem_device.c | 2 --
> drivers/gpu/drm/ingenic/ingenic-drm.c | 1 -
> drivers/gpu/drm/mcde/mcde_drv.c | 1 -
> drivers/gpu/drm/tidss/tidss_drv.c | 2 --
> drivers/gpu/drm/tiny/gm12u320.c | 1 -
> drivers/gpu/drm/tiny/repaper.c | 1 -
> drivers/gpu/drm/udl/udl_drv.c | 1 -
> drivers/gpu/drm/vgem/vgem_drv.c | 1 -
> drivers/gpu/drm/vkms/vkms_drv.c | 1 -
> drivers/gpu/drm/xen/xen_drm_front.c | 2 --
> include/drm/drm_drv.h | 5 +---
> 15 files changed, 2 insertions(+), 50 deletions(-)
>
> diff --git a/drivers/gpu/drm/cirrus/cirrus.c b/drivers/gpu/drm/cirrus/cirrus.c
> index 2232556ce34c..a9d789a56536 100644
> --- a/drivers/gpu/drm/cirrus/cirrus.c
> +++ b/drivers/gpu/drm/cirrus/cirrus.c
> @@ -529,7 +529,6 @@ static void cirrus_mode_config_init(struct cirrus_device *cirrus)
> static void cirrus_release(struct drm_device *dev)
> {
> drm_mode_config_cleanup(dev);
> - drm_dev_fini(dev);
> }
>
> DEFINE_DRM_GEM_FOPS(cirrus_fops);
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index 90b6ae81d431..c709a0ce018c 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -283,7 +283,6 @@ void drm_minor_release(struct drm_minor *minor)
> * struct driver_device *priv = container_of(...);
> *
> * drm_mode_config_cleanup(drm);
> - * drm_dev_fini(drm);
> * }
> *
> * static struct drm_driver driver_drm_driver = {
> @@ -738,23 +737,6 @@ int devm_drm_dev_init(struct device *parent,
> }
> EXPORT_SYMBOL(devm_drm_dev_init);
>
> -/**
> - * drm_dev_fini - Finalize a dead DRM device
> - * @dev: DRM device
> - *
> - * Finalize a dead DRM device. This is the converse to drm_dev_init() and
> - * frees up all data allocated by it. All driver private data should be
> - * finalized first. Note that this function does not free the @dev, that is
> - * left to the caller.
> - *
> - * The ref-count of @dev must be zero, and drm_dev_fini() should only be called
> - * from a &drm_driver.release callback.
> - */
> -void drm_dev_fini(struct drm_device *dev)
> -{
> -}
> -EXPORT_SYMBOL(drm_dev_fini);
> -
> /**
> * drm_dev_alloc - Allocate new DRM device
> * @driver: DRM driver to allocate device for
> @@ -803,11 +785,8 @@ static void drm_dev_release(struct kref *ref)
> {
> struct drm_device *dev = container_of(ref, struct drm_device, ref);
>
> - if (dev->driver->release) {
> + if (dev->driver->release)
> dev->driver->release(dev);
> - } else {
> - drm_dev_fini(dev);
> - }
>
> drm_managed_release(dev);
>
> diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
> index 069603dfcd10..a678e07508d4 100644
> --- a/drivers/gpu/drm/drm_mipi_dbi.c
> +++ b/drivers/gpu/drm/drm_mipi_dbi.c
> @@ -591,7 +591,6 @@ void mipi_dbi_release(struct drm_device *drm)
> DRM_DEBUG_DRIVER("\n");
>
> drm_mode_config_cleanup(drm);
> - drm_dev_fini(drm);
> }
> EXPORT_SYMBOL(mipi_dbi_release);
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index bb14209beeed..ff24ca5df7ed 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -911,13 +911,6 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent)
> return i915;
> }
>
> -static void i915_driver_destroy(struct drm_i915_private *i915)
> -{
> - struct pci_dev *pdev = i915->drm.pdev;
> -
> - drm_dev_fini(&i915->drm);
> -}
> -
> /**
> * i915_driver_probe - setup chip and create an initial config
> * @pdev: PCI device
> @@ -1020,7 +1013,6 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
> pci_disable_device(pdev);
> out_fini:
> i915_probe_error(i915, "Device initialization failed (%d)\n", ret);
> - i915_driver_destroy(i915);
> drm_dev_put(&i915->drm);
> return ret;
> }
> @@ -1077,7 +1069,6 @@ static void i915_driver_release(struct drm_device *dev)
> intel_runtime_pm_driver_release(rpm);
>
> i915_driver_late_release(dev_priv);
> - i915_driver_destroy(dev_priv);
> }
>
> static int i915_driver_open(struct drm_device *dev, struct drm_file *file)
> diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> index acf889e4b993..2b4407ac26de 100644
> --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> @@ -76,7 +76,6 @@ static void mock_device_release(struct drm_device *dev)
>
> drm_mode_config_cleanup(&i915->drm);
>
> - drm_dev_fini(&i915->drm);
> out:
> put_device(&i915->drm.pdev->dev);
> i915->drm.pdev = NULL;
> @@ -215,7 +214,6 @@ struct drm_i915_private *mock_gem_device(void)
> intel_gt_driver_late_release(&i915->gt);
> intel_memory_regions_driver_release(i915);
> drm_mode_config_cleanup(&i915->drm);
> - drm_dev_fini(&i915->drm);
> drm_dev_put(&i915->drm);
>
> return NULL;
> diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
> index e2c832eb4e9a..192aaa4421a3 100644
> --- a/drivers/gpu/drm/ingenic/ingenic-drm.c
> +++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
> @@ -492,7 +492,6 @@ static irqreturn_t ingenic_drm_irq_handler(int irq, void *arg)
> static void ingenic_drm_release(struct drm_device *drm)
> {
> drm_mode_config_cleanup(drm);
> - drm_dev_fini(drm);
> }
>
> static int ingenic_drm_enable_vblank(struct drm_crtc *crtc)
> diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
> index 7474481503a1..a543ebf3d541 100644
> --- a/drivers/gpu/drm/mcde/mcde_drv.c
> +++ b/drivers/gpu/drm/mcde/mcde_drv.c
> @@ -223,7 +223,6 @@ static void mcde_release(struct drm_device *drm)
> struct mcde *mcde = drm->dev_private;
>
> drm_mode_config_cleanup(drm);
> - drm_dev_fini(drm);
> }
>
> DEFINE_DRM_GEM_CMA_FOPS(drm_fops);
> diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c
> index 32a85628dbec..460d5e9d0cf4 100644
> --- a/drivers/gpu/drm/tidss/tidss_drv.c
> +++ b/drivers/gpu/drm/tidss/tidss_drv.c
> @@ -108,8 +108,6 @@ static void tidss_release(struct drm_device *ddev)
> drm_kms_helper_poll_fini(ddev);
>
> tidss_modeset_cleanup(tidss);
> -
> - drm_dev_fini(ddev);
> }
>
> DEFINE_DRM_GEM_CMA_FOPS(tidss_fops);
> diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c
> index 524ca0941cf9..3928f69bbd3d 100644
> --- a/drivers/gpu/drm/tiny/gm12u320.c
> +++ b/drivers/gpu/drm/tiny/gm12u320.c
> @@ -637,7 +637,6 @@ static void gm12u320_driver_release(struct drm_device *dev)
>
> gm12u320_usb_free(gm12u320);
> drm_mode_config_cleanup(dev);
> - drm_dev_fini(dev);
> }
>
> DEFINE_DRM_GEM_FOPS(gm12u320_fops);
> diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c
> index df5654ef53ee..4741ff670ec9 100644
> --- a/drivers/gpu/drm/tiny/repaper.c
> +++ b/drivers/gpu/drm/tiny/repaper.c
> @@ -914,7 +914,6 @@ static void repaper_release(struct drm_device *drm)
> DRM_DEBUG_DRIVER("\n");
>
> drm_mode_config_cleanup(drm);
> - drm_dev_fini(drm);
> }
>
> static const uint32_t repaper_formats[] = {
> diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
> index 6a5594946096..8b78c356beb5 100644
> --- a/drivers/gpu/drm/udl/udl_drv.c
> +++ b/drivers/gpu/drm/udl/udl_drv.c
> @@ -38,7 +38,6 @@ static void udl_driver_release(struct drm_device *dev)
> {
> udl_fini(dev);
> udl_modeset_cleanup(dev);
> - drm_dev_fini(dev);
> }
>
> static struct drm_driver driver = {
> diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
> index 7486014e9149..ec1a8ebb6f1b 100644
> --- a/drivers/gpu/drm/vgem/vgem_drv.c
> +++ b/drivers/gpu/drm/vgem/vgem_drv.c
> @@ -432,7 +432,6 @@ static void vgem_release(struct drm_device *dev)
> struct vgem_device *vgem = container_of(dev, typeof(*vgem), drm);
>
> platform_device_unregister(vgem->platform);
> - drm_dev_fini(&vgem->drm);
> }
>
> static struct drm_driver vgem_driver = {
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
> index 2f35fe789343..eef85f1a0ce5 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.c
> +++ b/drivers/gpu/drm/vkms/vkms_drv.c
> @@ -64,7 +64,6 @@ static void vkms_release(struct drm_device *dev)
> platform_device_unregister(vkms->platform);
> drm_atomic_helper_shutdown(&vkms->drm);
> drm_mode_config_cleanup(&vkms->drm);
> - drm_dev_fini(&vkms->drm);
> destroy_workqueue(vkms->output.composer_workq);
> }
>
> diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
> index d22b5da38935..b91d23b5f3ae 100644
> --- a/drivers/gpu/drm/xen/xen_drm_front.c
> +++ b/drivers/gpu/drm/xen/xen_drm_front.c
> @@ -460,8 +460,6 @@ static void xen_drm_drv_release(struct drm_device *dev)
> drm_atomic_helper_shutdown(dev);
> drm_mode_config_cleanup(dev);
>
> - drm_dev_fini(dev);
> -
> if (front_info->cfg.be_alloc)
> xenbus_switch_state(front_info->xb_dev,
> XenbusStateInitialising);
> diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
> index cbd050419ab8..edee40e31e4b 100644
> --- a/include/drm/drm_drv.h
> +++ b/include/drm/drm_drv.h
> @@ -265,9 +265,7 @@ struct drm_driver {
> * @release:
> *
> * Optional callback for destroying device data after the final
> - * reference is released, i.e. the device is being destroyed. Drivers
> - * using this callback are responsible for calling drm_dev_fini()
> - * to finalize the device and then freeing the struct themselves.
> + * reference is released, i.e. the device is being destroyed.
> */
> void (*release) (struct drm_device *);
>
> @@ -623,7 +621,6 @@ int drm_dev_init(struct drm_device *dev,
> int devm_drm_dev_init(struct device *parent,
> struct drm_device *dev,
> struct drm_driver *driver);
> -void drm_dev_fini(struct drm_device *dev);
>
> struct drm_device *drm_dev_alloc(struct drm_driver *driver,
> struct device *parent);
> --
> 2.24.1
>
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