return to_i915(node->minor->dev);
}
-/* As the drm_debugfs_init() routines are called before dev->dev_private is
- * allocated we need to hook into the minor for release. */
-static int
-drm_add_fake_info_node(struct drm_minor *minor,
- struct dentry *ent,
- const void *key)
-{
- struct drm_info_node *node;
-
- node = kmalloc(sizeof(*node), GFP_KERNEL);
- if (node == NULL) {
- debugfs_remove(ent);
- return -ENOMEM;
- }
-
- node->minor = minor;
- node->dent = ent;
- node->info_ent = (void *)key;
-
- mutex_lock(&minor->debugfs_lock);
- list_add(&node->list, &minor->debugfs_list);
- mutex_unlock(&minor->debugfs_lock);
-
- return 0;
-}
-
+ static __always_inline void seq_print_param(struct seq_file *m,
+ const char *name,
+ const char *type,
+ const void *x)
+ {
+ if (!__builtin_strcmp(type, "bool"))
+ seq_printf(m, "i915.%s=%s\n", name, yesno(*(const bool *)x));
+ else if (!__builtin_strcmp(type, "int"))
+ seq_printf(m, "i915.%s=%d\n", name, *(const int *)x);
+ else if (!__builtin_strcmp(type, "unsigned int"))
+ seq_printf(m, "i915.%s=%u\n", name, *(const unsigned int *)x);
+ else if (!__builtin_strcmp(type, "char *"))
+ seq_printf(m, "i915.%s=%s\n", name, *(const char **)x);
+ else
+ BUILD_BUG();
+ }
+
static int i915_capabilities(struct seq_file *m, void *data)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
.release = i915_forcewake_release,
};
-static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor)
-{
- struct dentry *ent;
-
- ent = debugfs_create_file("i915_forcewake_user",
- S_IRUSR,
- root, to_i915(minor->dev),
- &i915_forcewake_fops);
- if (!ent)
- return -ENOMEM;
-
- return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
-}
-
+ static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
+ {
+ struct drm_i915_private *dev_priv = m->private;
+ struct i915_hotplug *hotplug = &dev_priv->hotplug;
+
+ seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold);
+ seq_printf(m, "Detected: %s\n",
+ yesno(delayed_work_pending(&hotplug->reenable_work)));
+
+ return 0;
+ }
+
+ static ssize_t i915_hpd_storm_ctl_write(struct file *file,
+ const char __user *ubuf, size_t len,
+ loff_t *offp)
+ {
+ struct seq_file *m = file->private_data;
+ struct drm_i915_private *dev_priv = m->private;
+ struct i915_hotplug *hotplug = &dev_priv->hotplug;
+ unsigned int new_threshold;
+ int i;
+ char *newline;
+ char tmp[16];
+
+ if (len >= sizeof(tmp))
+ return -EINVAL;
+
+ if (copy_from_user(tmp, ubuf, len))
+ return -EFAULT;
+
+ tmp[len] = '\0';
+
+ /* Strip newline, if any */
+ newline = strchr(tmp, '\n');
+ if (newline)
+ *newline = '\0';
+
+ if (strcmp(tmp, "reset") == 0)
+ new_threshold = HPD_STORM_DEFAULT_THRESHOLD;
+ else if (kstrtouint(tmp, 10, &new_threshold) != 0)
+ return -EINVAL;
+
+ if (new_threshold > 0)
+ DRM_DEBUG_KMS("Setting HPD storm detection threshold to %d\n",
+ new_threshold);
+ else
+ DRM_DEBUG_KMS("Disabling HPD storm detection\n");
+
+ spin_lock_irq(&dev_priv->irq_lock);
+ hotplug->hpd_storm_threshold = new_threshold;
+ /* Reset the HPD storm stats so we don't accidentally trigger a storm */
+ for_each_hpd_pin(i)
+ hotplug->stats[i].count = 0;
+ spin_unlock_irq(&dev_priv->irq_lock);
+
+ /* Re-enable hpd immediately if we were in an irq storm */
+ flush_delayed_work(&dev_priv->hotplug.reenable_work);
+
+ return len;
+ }
+
+ static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file)
+ {
+ return single_open(file, i915_hpd_storm_ctl_show, inode->i_private);
+ }
+
+ static const struct file_operations i915_hpd_storm_ctl_fops = {
+ .owner = THIS_MODULE,
+ .open = i915_hpd_storm_ctl_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = i915_hpd_storm_ctl_write
+ };
+
-static int i915_debugfs_create(struct dentry *root,
- struct drm_minor *minor,
- const char *name,
- const struct file_operations *fops)
-{
- struct dentry *ent;
-
- ent = debugfs_create_file(name,
- S_IRUGO | S_IWUSR,
- root, to_i915(minor->dev),
- fops);
- if (!ent)
- return -ENOMEM;
-
- return drm_add_fake_info_node(minor, ent, fops);
-}
-
static const struct drm_info_list i915_debugfs_list[] = {
{"i915_capabilities", i915_capabilities, 0},
{"i915_gem_objects", i915_gem_object_info, 0},
void intel_audio_codec_disable(struct intel_encoder *encoder);
void i915_audio_component_init(struct drm_i915_private *dev_priv);
void i915_audio_component_cleanup(struct drm_i915_private *dev_priv);
+void intel_audio_init(struct drm_i915_private *dev_priv);
+void intel_audio_deinit(struct drm_i915_private *dev_priv);
+ /* intel_cdclk.c */
+ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv);
+ void intel_update_max_cdclk(struct drm_i915_private *dev_priv);
+ void intel_update_cdclk(struct drm_i915_private *dev_priv);
+ void intel_update_rawclk(struct drm_i915_private *dev_priv);
+ bool intel_cdclk_state_compare(const struct intel_cdclk_state *a,
+ const struct intel_cdclk_state *b);
+ void intel_set_cdclk(struct drm_i915_private *dev_priv,
+ const struct intel_cdclk_state *cdclk_state);
+
/* intel_display.c */
enum transcoder intel_crtc_pch_transcoder(struct intel_crtc *crtc);
- void skl_set_preferred_cdclk_vco(struct drm_i915_private *dev_priv, int vco);
void intel_update_rawclk(struct drm_i915_private *dev_priv);
+ int vlv_get_hpll_vco(struct drm_i915_private *dev_priv);
int vlv_get_cck_clock(struct drm_i915_private *dev_priv,
const char *name, u32 reg, int ref_freq);
+ int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
+ const char *name, u32 reg);
void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv);
void lpt_disable_iclkip(struct drm_i915_private *dev_priv);
extern const struct drm_plane_funcs intel_plane_funcs;
projects / linux-platform-drivers-x86.git / commitdiff