Merge tag 'drm-intel-next-2016-10-24' of git://anongit.freedesktop.org/drm-intel into drm-next

- first slice of the gvt device model (Zhenyu et al)
- compression support for gpu error states (Chris)
- sunset clause on gpu errors resulting in dmesg noise telling users
  how to report them
- .rodata diet from Tvrtko
- switch over lots of macros to only take dev_priv (Tvrtko)
- underrun suppression for dp link training (Ville)
- lspcon (hmdi 2.0 on skl/bxt) support from Shashank Sharma, polish
  from Jani
- gen9 wm fixes from Paulo&Lyude
- updated ddi programming for kbl (Rodrigo)
- respect alternate aux/ddc pins (from vbt) for all ddi ports (Ville)

* tag 'drm-intel-next-2016-10-24' of git://anongit.freedesktop.org/drm-intel: (227 commits)
  drm/i915: Update DRIVER_DATE to 20161024
  drm/i915: Stop setting SNB min-freq-table 0 on powersave setup
  drm/i915/dp: add lane_count check in intel_dp_check_link_status
  drm/i915: Fix whitespace issues
  drm/i915: Clean up DDI DDC/AUX CH sanitation
  drm/i915: Respect alternate_ddc_pin for all DDI ports
  drm/i915: Respect alternate_aux_channel for all DDI ports
  drm/i915/gen9: Remove WaEnableYV12BugFixInHalfSliceChicken7
  drm/i915: KBL - Recommended buffer translation programming for DisplayPort
  drm/i915: Move down skl/kbl ddi iboost and n_edp_entires fixup
  drm/i915: Add a sunset clause to GPU hang logging
  drm/i915: Stop reporting error details in dmesg as well as the error-state
  drm/i915/gvt: do not ignore return value of create_scratch_page
  drm/i915/gvt: fix spare warnings on odd constant _Bool cast
  drm/i915/gvt: mark symbols static where possible
  drm/i915/gvt: fix sparse warnings on different address spaces
  drm/i915/gvt: properly access enabled intel_engine_cs
  drm/i915/gvt: Remove defunct vmap_batch()
  drm/i915/gvt: Use common mapping routines for shadow_bb object
  drm/i915/gvt: Use common mapping routines for indirect_ctx object
  ...

1 files changed, 20 insertions, 5 deletions

diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 1012eeea1324..47590ab08d7e 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -514,6 +514,8 @@ static const struct attribute *vlv_attrs[] = {
 	NULL,
 };
 
+#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
+
 static ssize_t error_state_read(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *attr, char *buf,
 				loff_t off, size_t count)
@@ -571,6 +573,21 @@ static struct bin_attribute error_state_attr = {
 	.write = error_state_write,
 };
 
+static void i915_setup_error_capture(struct device *kdev)
+{
+	if (sysfs_create_bin_file(&kdev->kobj, &error_state_attr))
+		DRM_ERROR("error_state sysfs setup failed\n");
+}
+
+static void i915_teardown_error_capture(struct device *kdev)
+{
+	sysfs_remove_bin_file(&kdev->kobj, &error_state_attr);
+}
+#else
+static void i915_setup_error_capture(struct device *kdev) {}
+static void i915_teardown_error_capture(struct device *kdev) {}
+#endif
+
 void i915_setup_sysfs(struct drm_i915_private *dev_priv)
 {
 	struct device *kdev = dev_priv->drm.primary->kdev;
@@ -617,17 +634,15 @@ void i915_setup_sysfs(struct drm_i915_private *dev_priv)
 	if (ret)
 		DRM_ERROR("RPS sysfs setup failed\n");
 
-	ret = sysfs_create_bin_file(&kdev->kobj,
-				    &error_state_attr);
-	if (ret)
-		DRM_ERROR("error_state sysfs setup failed\n");
+	i915_setup_error_capture(kdev);
 }
 
 void i915_teardown_sysfs(struct drm_i915_private *dev_priv)
 {
 	struct device *kdev = dev_priv->drm.primary->kdev;
 
-	sysfs_remove_bin_file(&kdev->kobj, &error_state_attr);
+	i915_teardown_error_capture(kdev);
+
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
 		sysfs_remove_files(&kdev->kobj, vlv_attrs);
 	else