On Wed, Mar 13, 2013 at 11:21:04AM -0700, Ben Widawsky wrote:
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> ---
> 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 52203fd..3166aa4 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4175,7 +4175,7 @@ void intel_init_pm(struct drm_device *dev)
> dev_priv->display.init_clock_gating = gen6_init_clock_gating;
> } else if (IS_IVYBRIDGE(dev)) {
> /* FIXME: detect B0+ stepping and use auto training */
> - if (SNB_READ_WM0_LATENCY()) {
> + if (SNB_READ_WM0_LATENCY() && !HAS_PCH_NOP(dev)) {
Check for platform support first?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
