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From: Ben Widawsky <benjamin.widawsky@intel.com>
To: Intel GFX <intel-gfx@lists.freedesktop.org>
Cc: Ben Widawsky <ben@bwidawsk.net>,
	Ben Widawsky <benjamin.widawsky@intel.com>
Subject: [PATCH 2/4] drm/i915/skl: Implement WaHdcCtxNonCoherent
Date: Thu,  8 Jan 2015 19:59:11 -0800	[thread overview]
Message-ID: <1420775953-1100-2-git-send-email-benjamin.widawsky@intel.com> (raw)
In-Reply-To: <1420775953-1100-1-git-send-email-benjamin.widawsky@intel.com>

Cc: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 62318a4..b8a445b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -841,6 +841,17 @@ static int chv_init_workarounds(struct intel_engine_cs *ring)
 	return 0;
 }
 
+static int skl_init_workarounds(struct intel_engine_cs *ring)
+{
+	struct drm_device *dev = ring->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	/* WaHdcCtxNonCoherent:skl */
+	WA_SET_BIT_MASKED(HDC_CHICKEN0, HDC_FORCE_CTX_NON_COHERENT);
+
+	return 0;
+}
+
 int init_workarounds_ring(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
@@ -856,6 +867,9 @@ int init_workarounds_ring(struct intel_engine_cs *ring)
 	if (IS_CHERRYVIEW(dev))
 		return chv_init_workarounds(ring);
 
+	if (IS_SKYLAKE(dev))
+		return skl_init_workarounds(ring);
+
 	return 0;
 }
 
-- 
2.2.1

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  reply	other threads:[~2015-01-09  3:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-09  3:59 [PATCH 1/4] drm/i915/bdw: Implement non-coherent ctx w/a Ben Widawsky
2015-01-09  3:59 ` Ben Widawsky [this message]
2015-01-09  3:59 ` [PATCH 3/4] drm/i915/skl: Implement WaDisablePartialInstShootdown Ben Widawsky
2015-01-09  3:59 ` [PATCH 4/4] drm/i915: Add a fallback for unimplemented gen9 w/a Ben Widawsky
2015-01-09  9:35   ` shuang.he
2015-02-02 12:33 ` [PATCH 1/4] drm/i915/bdw: Implement non-coherent ctx w/a Ville Syrjälä
2015-02-02 13:21   ` Damien Lespiau
2015-02-05  4:09     ` Ben Widawsky

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