On Mon, Sep 28, 2015 at 10:09:11PM +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> commit 58590c14d80defc94e900308a9d8fa55284de6f2 upstream.
This is not the commit id of the patch below at all, I can't take this,
please be more careful in the future.
thanks,
greg k-h
>
> 58590c1 drm/i915: Don't try to use DDR DVFS on CHV when disabled in the BIOS
> can't be backported as is because proper DDR DVFS support didn't even
> exist before
> 6f9c784 drm/i915: Don't do PM5/DDR DVFS with multiple pipes
>
> However we still want to get rid of the error messages. The simplest thing
> is to just suppress them, so let's do that instead.
>
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.1, 4.2
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index eadc15c..4a904f2 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -303,7 +303,7 @@ static void chv_set_memory_dvfs(struct drm_i915_private *dev_priv, bool enable)
>
> if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DDR_SETUP2) &
> FORCE_DDR_FREQ_REQ_ACK) == 0, 3))
> - DRM_ERROR("timed out waiting for Punit DDR DVFS request\n");
> + DRM_DEBUG_DRIVER("timed out waiting for Punit DDR DVFS request\n");
>
> mutex_unlock(&dev_priv->rps.hw_lock);
> }
> --
> 2.4.6
>
> --
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