drm/i915: enable/disable hooks for shared dplls
Looks at first like a bit of overkill, but
- Haswell actually wants different enable/disable functions for
different plls.
- And once we have full dpll hw state tracking we can move the full
register setup into the ->enable hook.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index bb1ad20..eaa04a6 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -132,6 +132,8 @@
list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
if ((intel_encoder)->base.crtc == (__crtc))
+struct drm_i915_private;
+
enum intel_dpll_id {
DPLL_ID_PRIVATE = -1, /* non-shared dpll in use */
/* real shared dpll ids must be >= 0 */
@@ -147,6 +149,10 @@
const char *name;
/* should match the index in the dev_priv->shared_dplls array */
enum intel_dpll_id id;
+ void (*enable)(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll);
+ void (*disable)(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll);
};
/* Used by dp and fdi links */
@@ -202,7 +208,6 @@
struct opregion_acpi;
struct opregion_swsci;
struct opregion_asle;
-struct drm_i915_private;
struct intel_opregion {
struct opregion_header __iomem *header;