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path: root/drivers/gpu/drm/i915/i915_sysfs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_sysfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_sysfs.c25
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