drm/i915: Convert bandwidth state to global state

Now that we have the more formal global state thing let's
use if for memory bandwidth tracking. No real difference
to the current private object usage since we already
tried to avoid taking the single serializing lock needlessly.
But since we're going to roll the global state out to more
things probably a good idea to unify the approaches a bit.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200120174728.21095-16-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>

1 files changed, 14 insertions, 17 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 9c40ad52dd73..26fa94329eda 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -377,10 +377,9 @@ static struct intel_bw_state *
 intel_atomic_get_bw_state(struct intel_atomic_state *state)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	struct drm_private_state *bw_state;
+	struct intel_global_state *bw_state;
 
-	bw_state = drm_atomic_get_private_obj_state(&state->base,
-						    &dev_priv->bw_obj);
+	bw_state = intel_atomic_get_global_obj_state(state, &dev_priv->bw_obj);
 	if (IS_ERR(bw_state))
 		return ERR_CAST(bw_state);
 
@@ -395,7 +394,7 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
 	unsigned int data_rate, max_data_rate;
 	unsigned int num_active_planes;
 	struct intel_crtc *crtc;
-	int i;
+	int i, ret;
 
 	/* FIXME earlier gens need some checks too */
 	if (INTEL_GEN(dev_priv) < 11)
@@ -437,6 +436,10 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
 	if (!bw_state)
 		return 0;
 
+	ret = intel_atomic_lock_global_state(&bw_state->base);
+	if (ret)
+		return ret;
+
 	data_rate = intel_bw_data_rate(dev_priv, bw_state);
 	num_active_planes = intel_bw_num_active_planes(dev_priv, bw_state);
 
@@ -454,7 +457,8 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
 	return 0;
 }
 
-static struct drm_private_state *intel_bw_duplicate_state(struct drm_private_obj *obj)
+static struct intel_global_state *
+intel_bw_duplicate_state(struct intel_global_obj *obj)
 {
 	struct intel_bw_state *state;
 
@@ -462,18 +466,16 @@ static struct drm_private_state *intel_bw_duplicate_state(struct drm_private_obj
 	if (!state)
 		return NULL;
 
-	__drm_atomic_helper_private_obj_duplicate_state(obj, &state->base);
-
 	return &state->base;
 }
 
-static void intel_bw_destroy_state(struct drm_private_obj *obj,
-				   struct drm_private_state *state)
+static void intel_bw_destroy_state(struct intel_global_obj *obj,
+				   struct intel_global_state *state)
 {
 	kfree(state);
 }
 
-static const struct drm_private_state_funcs intel_bw_funcs = {
+static const struct intel_global_state_funcs intel_bw_funcs = {
 	.atomic_duplicate_state = intel_bw_duplicate_state,
 	.atomic_destroy_state = intel_bw_destroy_state,
 };
@@ -486,13 +488,8 @@ int intel_bw_init(struct drm_i915_private *dev_priv)
 	if (!state)
 		return -ENOMEM;
 
-	drm_atomic_private_obj_init(&dev_priv->drm, &dev_priv->bw_obj,
-				    &state->base, &intel_bw_funcs);
+	intel_atomic_global_obj_init(dev_priv, &dev_priv->bw_obj,
+				     &state->base, &intel_bw_funcs);
 
 	return 0;
 }
-
-void intel_bw_cleanup(struct drm_i915_private *dev_priv)
-{
-	drm_atomic_private_obj_fini(&dev_priv->bw_obj);
-}