> -----Original Message----- > From: Vivi, Rodrigo > Sent: Wednesday, August 30, 2017 5:59 PM > To: Sripada, Radhakrishna <[email protected]> > Cc: [email protected]; Pandiyan, Dhinakaran > <[email protected]>; Nikula, Jani <[email protected]>; > Taylor, Clinton A <[email protected]>; [email protected] > Subject: Re: [PATCH] drm/i915: Disable DRRS when PSR is enabled > > On Wed, 2017-08-30 at 17:32 -0700, Radhakrishna Sripada wrote: > > Some platforms donot support PSR and DRRS simultaneously. Deferring to > > PSR when both PSR and DRRS are supported by the panel. > > > > Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=101111 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101111 > > "Fixes: <commit>" is only used to -fixes cherry-picks. Not a case for this > patch. Got it. Will update in the next revision of the patch. > > > Cc: Nicholas Stommel <[email protected]> > > Cc: Dhinakaran Pandiyan <[email protected]> > > Cc: Jani Nikula <[email protected]> > > Cc: Clinton Taylor <[email protected]> > > Cc: Rodrigo Vivi <[email protected]> > > Signed-off-by: Radhakrishna Sripada <[email protected]> > > --- > > drivers/gpu/drm/i915/intel_dp.c | 10 +++++----- > > 1 file changed, 5 insertions(+), 5 deletions(-) > > > > diff --git a/drivers/gpu/drm/i915/intel_dp.c > > b/drivers/gpu/drm/i915/intel_dp.c index d3e5fdf0d2fa..dc7a6721e0dd > > 100644 > > --- a/drivers/gpu/drm/i915/intel_dp.c > > +++ b/drivers/gpu/drm/i915/intel_dp.c > > @@ -5469,11 +5469,6 @@ static void intel_dp_set_drrs_state(struct > drm_i915_private *dev_priv, > > return; > > } > > > > - /* > > - * FIXME: This needs proper synchronization with psr state for some > > - * platforms that cannot have PSR and DRRS enabled at the same > time. > > - */ > > - > > dig_port = dp_to_dig_port(intel_dp); > > encoder = &dig_port->base; > > intel_crtc = to_intel_crtc(encoder->base.crtc); > > @@ -5557,6 +5552,11 @@ void intel_edp_drrs_enable(struct intel_dp > *intel_dp, > > return; > > } > > > > + if (dev_priv->psr.enabled != NULL) { > > if (dev_priv->psr.enabled) { > ? This looks cleaner will use this in the follow up patch. > > > + DRM_DEBUG_KMS("PSR active. Disabling DRRS.\n"); > > + return; > > + } > > + > > mutex_lock(&dev_priv->drrs.mutex); > > if (WARN_ON(dev_priv->drrs.dp)) { > > DRM_ERROR("DRRS already enabled\n");
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