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Subject[07/80] drm/i915: Ivybridge still has fences!
3.0-stable review patch.  If anyone has any objections, please let me know.

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

From: Daniel Vetter <daniel.vetter@ffwll.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@ffwll.ch>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.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
@@ -820,6 +820,7 @@ 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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