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drm/i915: Ivybridge still has fences! 

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

Cc: stable@kernel.org
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>
This commit is contained in:
Daniel Vetter 2011-10-09 21:52:01 +02:00 committed by Keith Packard
parent 616fdb5afb
commit 775d17b6ca
2 changed files with 3 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_irq.c
View File

@ -824,6 +824,7 @@ static void i915_gem_record_fences(struct drm_device *dev,
/* 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));

2
drivers/gpu/drm/i915/i915_suspend.c
View File

@ -370,6 +370,7 @@ static void i915_save_modeset_reg(struct drm_device *dev)
/* 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(struct drm_device *dev)
/* 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]);