@@ -3124,7 +3124,7 @@ static const struct file_operations i915_display_crc_ctl_fops = {
static void wm_latency_show(struct seq_file *m, const uint16_t wm[5])
{
struct drm_device *dev = m->private;
- int num_levels = IS_HASWELL(dev) || IS_BROADWELL(dev) ? 5 : 4;
+ int num_levels = ilk_wm_max_level(dev) + 1;
int level;
drm_modeset_lock_all(dev);
@@ -3207,7 +3207,7 @@ static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
struct seq_file *m = file->private_data;
struct drm_device *dev = m->private;
uint16_t new[5] = { 0 };
- int num_levels = IS_HASWELL(dev) || IS_BROADWELL(dev) ? 5 : 4;
+ int num_levels = ilk_wm_max_level(dev) + 1;
int level;
int ret;
char tmp[32];
@@ -917,6 +917,7 @@ extern struct drm_display_mode *intel_find_panel_downclock(
/* intel_pm.c */
void intel_init_clock_gating(struct drm_device *dev);
void intel_suspend_hw(struct drm_device *dev);
+int ilk_wm_max_level(const struct drm_device *dev);
void intel_update_watermarks(struct drm_crtc *crtc);
void intel_update_sprite_watermarks(struct drm_plane *plane,
struct drm_crtc *crtc,
@@ -2077,7 +2077,7 @@ static void intel_fixup_cur_wm_latency(struct drm_device *dev, uint16_t wm[5])
wm[3] *= 2;
}
-static int ilk_wm_max_level(const struct drm_device *dev)
+int ilk_wm_max_level(const struct drm_device *dev)
{
/* how many WM levels are we expecting */
if (IS_HASWELL(dev) || IS_BROADWELL(dev))