From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Date: Thu, 12 Jun 2014 17:16:43 +0000 (-0700)
Subject: drm/i915: BDW PSR: Remove limitations that aren't valid for BDW.
X-Git-Tag: firefly_0821_release~176^2~3450^2~63^2~41
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4c8c7000cc54ef45d05d3519ddb9118d4c65fbd0;p=firefly-linux-kernel-4.4.55.git

drm/i915: BDW PSR: Remove limitations that aren't valid for BDW.

Reviewed-by: Vijay Purushothaman <vijay.a.purushothaman@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 73e4a5cb7195..f8ff2573ff9c 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1776,6 +1776,10 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
 		return false;
 	}
 
+	/* Below limitations aren't valid for Broadwell */
+	if (IS_BROADWELL(dev))
+		goto out;
+
 	if (I915_READ(SPRCTL(intel_crtc->pipe)) & SPRITE_ENABLE) {
 		DRM_DEBUG_KMS("PSR condition failed: Sprite is Enabled\n");
 		return false;
@@ -1792,6 +1796,7 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
 		return false;
 	}
 
+ out:
 	dev_priv->psr.source_ok = true;
 	return true;
 }