v2: Removing checks for vma obj and kmap_atomic validity. (Chris)
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_slpc.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_slpc.c b/drivers/gpu/drm/i915/intel_slpc.c
index 5ab8362..7062d8b 100644
--- a/drivers/gpu/drm/i915/intel_slpc.c
+++ b/drivers/gpu/drm/i915/intel_slpc.c
@@ -293,6 +293,10 @@ void intel_slpc_disable(struct drm_i915_private *dev_priv)
void intel_slpc_enable(struct drm_i915_private *dev_priv)
{
+ struct drm_i915_gem_object *obj;
+ struct page *page;
+ void *pv = NULL;
+ struct slpc_shared_data data;
u64 val;
host2guc_slpc_reset(dev_priv);
@@ -336,6 +340,25 @@ void intel_slpc_enable(struct drm_i915_private *dev_priv)
intel_slpc_set_param(dev_priv,
SLPC_PARAM_GLOBAL_ENABLE_BALANCER_IN_NON_GAMING_MODE,
0);
+
+ obj = dev_priv->guc.slpc.vma->obj;
+ intel_slpc_query_task_state(dev_priv);
+
+ pv = kmap_atomic(i915_gem_object_get_page(obj, 0));
+ data = *(struct slpc_shared_data *) pv;
+ kunmap_atomic(pv);
+
+ /*
+ * TODO: Define separate variables for slice and unslice
+ * frequencies for driver state variable.
+ */
+ dev_priv->rps.max_freq_softlimit =
+ data.task_state_data.freq_unslice_max;
+ dev_priv->rps.min_freq_softlimit =
+ data.task_state_data.freq_unslice_min;
+
+ dev_priv->rps.max_freq_softlimit *= GEN9_FREQ_SCALER;
+ dev_priv->rps.min_freq_softlimit *= GEN9_FREQ_SCALER;
}
void intel_slpc_reset(struct drm_i915_private *dev_priv)
--
1.9.1
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