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drm/i915: make fbdev initialization asynchronous v2

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This gets us out of our init code and out to userspace quite a bit
faster, but does open us up to some bugs given the state of our init
time locking.

v2: switch to async_schedule (Chris)
    check with lockdep, seems happy (Jesse)
    move hotplug enable flag set to fbdev_initial_config (Jesse)

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Rebase on top of the dev_priv->enable_hotplug_processing
removal.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jesse Barnes
2014-05-28 14:39:03 -07:00
committed by Daniel Vetter
parent 00e1e623e6
commit d1d70677e1
3 changed files with 9 additions and 5 deletions
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6
drivers/gpu/drm/i915/intel_fbdev.c
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@@ -24,6 +24,7 @@
* David Airlie
*/
#include <linux/async.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/console.h>
@@ -670,9 +671,9 @@ int intel_fbdev_init(struct drm_device *dev)
return 0;
}
void intel_fbdev_initial_config(struct drm_device *dev)
void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_private *dev_priv = data;
struct intel_fbdev *ifbdev = dev_priv->fbdev;
/* Due to peculiar init order wrt to hpd handling this is separate. */
@@ -687,6 +688,7 @@ void intel_fbdev_fini(struct drm_device *dev)
flush_work(&dev_priv->fbdev_suspend_work);
async_synchronize_full();
intel_fbdev_destroy(dev, dev_priv->fbdev);
kfree(dev_priv->fbdev);
dev_priv->fbdev = NULL;