[Intel-gfx] [PATCH 1/2] drm/i915: don't run hsw power well code on !hsw

[Paulo Zanoni]

Hi

2013/1/30 Daniel Vetter <daniel.vetter at ffwll.ch>:
> Dumps annoying noise into the dmesg:
>
> [drm:intel_set_power_well] *ERROR* Timeout enabling power well
>
> Reported-by: Sedat Dilek <sedat.dilek at gmail.com>
> Cc: Sedat Dilek <sedat.dilek at gmail.com>
> Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>

> ---
>  drivers/gpu/drm/i915/intel_pm.c |    3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 64d65f5..703219c 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4053,6 +4053,9 @@ void intel_set_power_well(struct drm_device *dev, bool enable)
>         bool is_enabled, enable_requested;
>         uint32_t tmp;
>
> +       if (!IS_HASWELL(dev))
> +               return;
> +
>         tmp = I915_READ(HSW_PWR_WELL_DRIVER);
>         is_enabled = tmp & HSW_PWR_WELL_STATE;
>         enable_requested = tmp & HSW_PWR_WELL_ENABLE;
> --
> 1.7.10.4
>
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-- 
Paulo Zanoni