[PATCH] drm/qxl: fix the suspend/resume issue on qxl device

[Gerd Hoffmann]

On Wed, Sep 07, 2022 at 05:44:23PM +0800, Zongmin Zhou wrote:
> 
> From: Zongmin Zhou <zhouzongmin at kylinos.cn>
> 
> Details:
> Currently, when trying to suspend and resume with qxl device，
> there are some error messages after resuming,
> eventually caused to black screen and can't be recovered.

[ analysis snipped ]

> Let's fix this by reset io and remove the qxl_ring_init_hdr calling.

Pushed to drm-misc-next

thanks,
  Gerd