diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_sysfs.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index d572435cfbe7..71f6de24444e 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -133,6 +133,17 @@ i915_l3_read(struct file *filp, struct kobject *kobj, if (ret) return ret; + if (IS_HASWELL(drm_dev)) { + if (dev_priv->l3_parity.remap_info) + memcpy(buf, + dev_priv->l3_parity.remap_info + (offset/4), + count); + else + memset(buf, 0, count); + + goto out; + } + misccpctl = I915_READ(GEN7_MISCCPCTL); I915_WRITE(GEN7_MISCCPCTL, misccpctl & ~GEN7_DOP_CLOCK_GATE_ENABLE); @@ -141,9 +152,10 @@ i915_l3_read(struct file *filp, struct kobject *kobj, I915_WRITE(GEN7_MISCCPCTL, misccpctl); +out: mutex_unlock(&drm_dev->struct_mutex); - return i; + return count; } static ssize_t |