[Intel-gfx] [PATCH v2] drm/i915: Respect num_pipes when install or reset dispaly IRQ

[Joonas Lahtinen]

On pe, 2016-12-09 at 18:01 +0800, Wang Elaine wrote:
> From: Elaine Wang <elaine.wang at intel.com>
> 
> Some platforms don't have display. To avoid accessing the
> non-existent registers, check whether num_pipes isn't zero
> before invoking dispaly IRQ install or reset function.
> 
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Signed-off-by: Elaine Wang <elaine.wang at intel.com>

Seems straightforward to me. A-b from Ville?

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation