linux-kernel - [008/104] drm/i915: Ivybridge still has fences!

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Message-Id: <20111207161215.447285296@clark.kroah.org>
Date:	Wed, 07 Dec 2011 08:11:10 -0800
From:	Greg KH <gregkh@...e.de>
To:	<linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>
Cc:	<torvalds@...ux-foundation.org>, <akpm@...ux-foundation.org>,
	<alan@...rguk.ukuu.org.uk>, Daniel Vetter <daniel.vetter@...ll.ch>,
	Keith Packard <keithp@...thp.com>
Subject: [008/104] drm/i915: Ivybridge still has fences!

3.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Daniel Vetter <daniel.vetter@...ll.ch>

commit 775d17b6ca4357048f36c22151335addfe15db4b upstream.

So don't forget to restore them on resume and dump them into
the error state.

Signed-off-by: Daniel Vetter <daniel.vetter@...ll.ch>
Reviewed-by: Chris Wilson <chris@...is-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@...thp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/i915/i915_irq.c     |    1 +
 drivers/gpu/drm/i915/i915_suspend.c |    2 ++
 2 files changed, 3 insertions(+)

--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -822,6 +822,7 @@ static void i915_gem_record_fences(struc
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			error->fence[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -370,6 +370,7 @@ static void i915_save_modeset_reg(struct
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
@@ -404,6 +405,7 @@ static void i915_restore_modeset_reg(str
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->saveFENCE[i]);


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