diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_sysfs.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index 1012eeea1324..3df8d3dd31cd 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -460,7 +460,7 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev, static DEVICE_ATTR(gt_act_freq_mhz, S_IRUGO, gt_act_freq_mhz_show, NULL); static DEVICE_ATTR(gt_cur_freq_mhz, S_IRUGO, gt_cur_freq_mhz_show, NULL); -static DEVICE_ATTR(gt_boost_freq_mhz, S_IRUGO, gt_boost_freq_mhz_show, gt_boost_freq_mhz_store); +static DEVICE_ATTR(gt_boost_freq_mhz, S_IRUGO | S_IWUSR, gt_boost_freq_mhz_show, gt_boost_freq_mhz_store); static DEVICE_ATTR(gt_max_freq_mhz, S_IRUGO | S_IWUSR, gt_max_freq_mhz_show, gt_max_freq_mhz_store); static DEVICE_ATTR(gt_min_freq_mhz, S_IRUGO | S_IWUSR, gt_min_freq_mhz_show, gt_min_freq_mhz_store); @@ -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 |