[Intel-gfx] [PATCH 30/37] drm/i915: disable rc6 on haswell for now

Rodrigo Vivi rodrigo.vivi at gmail.com
Mon Mar 26 19:53:07 CEST 2012


Reviewed-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>

On Wed, Mar 21, 2012 at 10:10 PM, Eugeni Dodonov
<eugeni.dodonov at intel.com> wrote:
> This needs proper enablement to avoid machine hangs, so let's just avoid
> it for now.
>
> Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c |    4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 2c5b953..f7dbcab 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -8275,6 +8275,10 @@ static bool intel_enable_rc6(struct drm_device *dev)
>        if (INTEL_INFO(dev)->gen == 5)
>                return 0;
>
> +       /* Sorry Haswell, no RC6 for you for now. */
> +       if (IS_HASWELL(dev))
> +               return 0;
> +
>        /*
>         * Disable rc6 on Sandybridge
>         */
> --
> 1.7.9.2
>
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-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br
GPG: 0x905BE242 @ wwwkeys.pgp.net



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