From: Daisy Sun <daisy.sun@intel.com>
Date: Mon, 16 Jun 2014 22:48:18 +0000 (-0700)
Subject: drm/i915: Broaden FBC resolution limit to 4096*4096
X-Git-Tag: v3.17-rc1~82^2~63^2~24
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=032843a5a5733cbb50daca20a76ead2c55d8f51a;p=karo-tx-linux.git

drm/i915: Broaden FBC resolution limit to 4096*4096

Staring from HSW, the resolution limit of FBC has increased to
4096*4096

Issue: VIZ-2813
Change-Id: I842f64e3cf2c0d18d29ef1bcfef3b9bb1f1764ac
Signed-off-by: Daisy Sun <daisy.sun@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 537a7ee8e5c9..6cd11aaf0bb4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -530,7 +530,10 @@ void intel_update_fbc(struct drm_device *dev)
 		goto out_disable;
 	}
 
-	if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) {
+	if (INTEL_INFO(dev)->gen >= 8 || IS_HASWELL(dev)) {
+		max_width = 4096;
+		max_height = 4096;
+	} else if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) {
 		max_width = 4096;
 		max_height = 2048;
 	} else {