[Intel-gfx] [PATCH] drm/i915: add render standby support

[Erik Andrén]

2009/10/7 Jesse Barnes <jbarnes at virtuousgeek.org>:
> Render standy allows the GPU to power down the render unit when idle.
> In order for this to work, it needs a page of graphics memory to save
> state.  This patch allocates that page and enables the feature on
> supported chipsets.
>
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---

Do you have any figures on how much power this saves?

Best regards,
Erik