提交 eb8bc8dc 编写于 作者: M Maarten Lankhorst

drm/i915: Remove vma unpin in intel_plane_destroy

commit a667fb40
Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date:   Thu Dec 15 15:29:44 2016 +0100

    drm/i915: Disable all crtcs during driver unload, v2.

made sure that all crtc's are disabled on driver unload, but only the
following commit made sure all fb's are cleaned up correctly:

commit 9b2104f4
Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date:   Tue Feb 21 14:51:40 2017 +0100

    drm/atomic: Make disable_all helper fully disable the crtc.

Finally remove this and add a WARN_ON when vma is set. It should
have been removed by intel_cleanup_plane_fb().
Signed-off-by: NMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170511082844.13965-2-maarten.lankhorst@linux.intel.comReviewed-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
上级 749d98b8
......@@ -102,23 +102,7 @@ void
intel_plane_destroy_state(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct i915_vma *vma;
vma = fetch_and_zero(&to_intel_plane_state(state)->vma);
/*
* FIXME: Normally intel_cleanup_plane_fb handles destruction of vma.
* We currently don't clear all planes during driver unload, so we have
* to be able to unpin vma here for now.
*
* Normally this can only happen during unload when kmscon is disabled
* and userspace doesn't attempt to set a framebuffer at all.
*/
if (vma) {
mutex_lock(&plane->dev->struct_mutex);
intel_unpin_fb_vma(vma);
mutex_unlock(&plane->dev->struct_mutex);
}
WARN_ON(to_intel_plane_state(state)->vma);
drm_atomic_helper_plane_destroy_state(plane, state);
}
......
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