Add correspondent helpers to be able to get old/new bandwidth
global state object.
v2: - Fixed typo in function call
v3: - Changed new functions naming to use convention proposed
by Jani Nikula, i.e intel_bw_* in intel_bw.c file.
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_bw.c | 33 ++++++++++++++++++++++---
drivers/gpu/drm/i915/display/intel_bw.h | 9 +++++++
2 files changed, 39 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 58b264bc318d..bdad7476dc7b 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -374,8 +374,35 @@ static unsigned int intel_bw_data_rate(struct drm_i915_private *dev_priv,
return data_rate;
}
-static struct intel_bw_state *
-intel_atomic_get_bw_state(struct intel_atomic_state *state)
+struct intel_bw_state *
+intel_bw_get_old_state(struct intel_atomic_state *state)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ struct intel_global_state *bw_state;
+
+ bw_state = intel_atomic_get_old_global_obj_state(state, &dev_priv->bw_obj);
+ if (IS_ERR(bw_state))
+ return ERR_CAST(bw_state);
+
+ return to_intel_bw_state(bw_state);
+}
+
+struct intel_bw_state *
+intel_bw_get_new_state(struct intel_atomic_state *state)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ struct intel_global_state *bw_state;
+
+ bw_state = intel_atomic_get_new_global_obj_state(state, &dev_priv->bw_obj);
+
+ if (IS_ERR(bw_state))
+ return ERR_CAST(bw_state);
+
+ return to_intel_bw_state(bw_state);
+}
+
+struct intel_bw_state *
+intel_bw_get_state(struct intel_atomic_state *state)
{
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
struct intel_global_state *bw_state;
@@ -420,7 +447,7 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
old_active_planes == new_active_planes)
continue;
- bw_state = intel_atomic_get_bw_state(state);
+ bw_state = intel_bw_get_state(state);
if (IS_ERR(bw_state))
return PTR_ERR(bw_state);
diff --git a/drivers/gpu/drm/i915/display/intel_bw.h b/drivers/gpu/drm/i915/display/intel_bw.h
index a8aa7624c5aa..b5f61463922f 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.h
+++ b/drivers/gpu/drm/i915/display/intel_bw.h
@@ -24,6 +24,15 @@ struct intel_bw_state {
#define to_intel_bw_state(x) container_of((x), struct intel_bw_state, base)
+struct intel_bw_state *
+intel_bw_get_old_state(struct intel_atomic_state *state);
+
+struct intel_bw_state *
+intel_bw_get_new_state(struct intel_atomic_state *state);
+
+struct intel_bw_state *
+intel_bw_get_state(struct intel_atomic_state *state);
+
void intel_bw_init_hw(struct drm_i915_private *dev_priv);
int intel_bw_init(struct drm_i915_private *dev_priv);
int intel_bw_atomic_check(struct intel_atomic_state *state);
--
2.24.1.485.gad05a3d8e5
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