[Intel-gfx] [PATCH] drm/i915: Disable outputs during unregister

[Ville Syrjälä]

On Fri, Nov 27, 2020 at 10:05:48PM +0000, Chris Wilson wrote:
> Switch off the scanout during driver unregister, so we can shutdown the
> HW immediately for unbind.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  drivers/gpu/drm/i915/i915_drv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 320856b665a1..62d188e5cb8d 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -738,6 +738,7 @@ static void i915_driver_unregister(struct drm_i915_private *dev_priv)
>  	 * events.
>  	 */
>  	drm_kms_helper_poll_fini(&dev_priv->drm);
> +	drm_atomic_helper_shutdown(&dev_priv->drm);

Looks like we already have this in remove(). Is that too late?

>  
>  	intel_gt_driver_unregister(&dev_priv->gt);
>  	acpi_video_unregister();
> -- 
> 2.20.1
> 
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-- 
Ville Syrjälä
Intel