From: Michal Wajdeczko <michal.wajdeczko@intel.com>
Date: Mon, 27 May 2019 18:36:10 +0000 (+0000)
Subject: drm/i915/guc: Enable GuC CTB communication on Gen11
X-Git-Tag: v5.4-rc1~32^2~21^2~598
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a18c3d5e4e420ebb45083e5d0761cca321c80f01;p=platform%2Fkernel%2Flinux-rpi.git

drm/i915/guc: Enable GuC CTB communication on Gen11

Gen11 GuC firmware expects H2G command messages to be sent over CTB
(command transport buffers).

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: John Spotswood <john.a.spotswood@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190527183613.17076-15-michal.wajdeczko@intel.com
---

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index d7c07a9..fc66d7f3 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -746,6 +746,7 @@ static const struct intel_device_info intel_cannonlake_info = {
 	}, \
 	GEN(11), \
 	.ddb_size = 2048, \
+	.has_guc_ct = 1, \
 	.has_logical_ring_elsq = 1, \
 	.color = { .degamma_lut_size = 33, .gamma_lut_size = 1024 }