drm/i915: split PCH clock gating init

Ibex Peak and CougarPoint already require a different setting (added
here), and future chips will likely follow that precedent.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 581395e581eb..3a1c27718065 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -210,6 +210,7 @@ struct drm_i915_display_funcs {
                              struct drm_framebuffer *old_fb);
         void (*fdi_link_train)(struct drm_crtc *crtc);
         void (*init_clock_gating)(struct drm_device *dev);
+        void (*init_pch_clock_gating)(struct drm_device *dev);
         /* clock updates for mode set */
         /* cursor updates */
         /* render clock increase/decrease */