From: Chris Wilson Date: Fri, 24 Jun 2016 13:00:19 +0000 (+0100) Subject: drm/i915: Demidlayer driver unloading X-Git-Tag: v4.14-rc1~2243^2~42^2~411 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3e783bac8ade7dd66f97cb748582035356a210ba;p=platform%2Fkernel%2Flinux-rpi.git drm/i915: Demidlayer driver unloading To complete the transition to manual control of load/unload, we need to take over unloading from i915_pci_remove(). This allows us to correctly order our unregister vs shutdown phases, which currently are inverted due to the midlayer. However, the unload sequence is still invalid as we shutdown the driver with the last reference. Ideally, all we want to do is remove the userspace access on device removal, deferring the cleanup to the drm_dev_release() - breaking the reference cycles is then left as an exercise for the reader. Signed-off-by: Chris Wilson Cc: Daniel Vetter Cc: Ville Syrjälä Reviewed-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/1466773227-7994-7-git-send-email-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 5003962..a9c2f63 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1435,12 +1435,16 @@ static void i915_driver_register(struct drm_i915_private *dev_priv) static void i915_driver_unregister(struct drm_i915_private *dev_priv) { i915_audio_component_cleanup(dev_priv); + intel_gpu_ips_teardown(); acpi_video_unregister(); intel_opregion_unregister(dev_priv); + intel_modeset_unregister(dev_priv); i915_teardown_sysfs(dev_priv->dev); i915_debugfs_unregister(dev_priv); + drm_dev_unregister(dev_priv->dev); + i915_gem_shrinker_cleanup(dev_priv); } diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 1a335e1..9ddae6a 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1042,7 +1042,8 @@ i915_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); - drm_put_dev(dev); + i915_driver_unload(dev); + drm_dev_unref(dev); } static int i915_pm_suspend(struct device *dev) @@ -1748,7 +1749,6 @@ static struct drm_driver driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET, - .unload = i915_driver_unload, .open = i915_driver_open, .lastclose = i915_driver_lastclose, .preclose = i915_driver_preclose,