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>

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 9ee2729..b40004b 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -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));

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index f8f602d..7886e4f 100644 (file)
--- 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 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]);