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UPSTREAM: drm/virtio: Wake up all waiters when capset response comes in.

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If multiple callers occur simultaneously, wake them all up.

Signed-off-by: David Riley <davidriley@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190605234423.11348-2-davidriley@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 676a905b09)
Signed-off-by: Greg Hartman <ghartman@google.com>
BUG: 139386237
Change-Id: Ia6b18613dded27f78417c34d19604bbaa5e53901
This commit is contained in:
David Riley 2019-06-05 16:44:21 -07:00 • committed by Alistair Delva
commit 32bb6b58d0
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/virtio/virtgpu_vq.c
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@ -600,7 +600,7 @@ static void virtio_gpu_cmd_capset_cb(struct virtio_gpu_device *vgdev,
}
}
spin_unlock(&vgdev->display_info_lock);
wake_up(&vgdev->resp_wq);
wake_up_all(&vgdev->resp_wq);
}
static int virtio_get_edid_block(void *data, u8 *buf,