@@ -112,6 +112,110 @@ static void host2guc_slpc(struct drm_i915_private *dev_priv,
DRM_ERROR("event 0x%x status %d\n", (data[1] >> 8), ret);
}
+static void host2guc_slpc_set_param(struct drm_i915_private *dev_priv,
+ u32 id, u32 value)
+{
+ struct slpc_event_input data = {0};
+
+ data.header.value = SLPC_EVENT(SLPC_EVENT_PARAMETER_SET, 2);
+ data.args[0] = id;
+ data.args[1] = value;
+
+ host2guc_slpc(dev_priv, &data, 4);
+}
+
+void slpc_mem_set_param(struct slpc_shared_data *data,
+ u32 id,
+ u32 value)
+{
+ data->override_parameters_set_bits[id >> 5]
+ |= (1 << (id % 32));
+ data->override_parameters_values[id] = value;
+}
+
+void intel_slpc_set_param(struct drm_i915_private *dev_priv,
+ u32 id,
+ u32 value)
+{
+ struct page *page;
+ struct slpc_shared_data *data = NULL;
+
+ WARN_ON(id >= SLPC_MAX_PARAM);
+
+ if (!dev_priv->guc.slpc.vma)
+ return;
+
+ page = i915_vma_first_page(dev_priv->guc.slpc.vma);
+ data = kmap_atomic(page);
+ slpc_mem_set_param(data, id, value);
+ kunmap_atomic(data);
+
+ host2guc_slpc_set_param(dev_priv, id, value);
+}
+
+static void host2guc_slpc_unset_param(struct drm_i915_private *dev_priv,
+ u32 id)
+{
+ struct slpc_event_input data = {0};
+
+ data.header.value = SLPC_EVENT(SLPC_EVENT_PARAMETER_UNSET, 1);
+ data.args[0] = id;
+
+ host2guc_slpc(dev_priv, &data, 3);
+}
+
+void slpc_mem_unset_param(struct slpc_shared_data *data,
+ u32 id)
+{
+ data->override_parameters_set_bits[id >> 5]
+ &= (~(1 << (id % 32)));
+ data->override_parameters_values[id] = 0;
+}
+
+void intel_slpc_unset_param(struct drm_i915_private *dev_priv,
+ u32 id)
+{
+ struct page *page;
+ struct slpc_shared_data *data = NULL;
+
+ WARN_ON(id >= SLPC_MAX_PARAM);
+
+ if (!dev_priv->guc.slpc.vma)
+ return;
+
+ page = i915_vma_first_page(dev_priv->guc.slpc.vma);
+ data = kmap_atomic(page);
+ slpc_mem_unset_param(data, id);
+ kunmap_atomic(data);
+
+ host2guc_slpc_unset_param(dev_priv, id);
+}
+
+void intel_slpc_get_param(struct drm_i915_private *dev_priv,
+ u32 id,
+ int *overriding, u32 *value)
+{
+ struct page *page;
+ struct slpc_shared_data *data = NULL;
+ u32 bits;
+
+ WARN_ON(id >= SLPC_MAX_PARAM);
+
+ if (!dev_priv->guc.slpc.vma)
+ return;
+
+ page = i915_vma_first_page(dev_priv->guc.slpc.vma);
+ data = kmap_atomic(page);
+ if (overriding) {
+ bits = data->override_parameters_set_bits[id >> 5];
+ *overriding = (0 != (bits & (1 << (id % 32))));
+ }
+ if (value)
+ *value = data->override_parameters_values[id];
+
+ kunmap_atomic(data);
+}
+
void intel_slpc_init(struct drm_i915_private *dev_priv)
{
struct intel_guc *guc = &dev_priv->guc;
@@ -194,6 +194,30 @@ enum slpc_status {
SLPC_STATUS_NO_LOCK = 22,
};
+enum slpc_param_id {
+ SLPC_PARAM_TASK_ENABLE_GTPERF = 0,
+ SLPC_PARAM_TASK_DISABLE_GTPERF = 1,
+ SLPC_PARAM_TASK_ENABLE_BALANCER = 2,
+ SLPC_PARAM_TASK_DISABLE_BALANCER = 3,
+ SLPC_PARAM_TASK_ENABLE_DCC = 4,
+ SLPC_PARAM_TASK_DISABLE_DCC = 5,
+ SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ = 6,
+ SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ = 7,
+ SLPC_PARAM_GLOBAL_MIN_GT_SLICE_FREQ_MHZ = 8,
+ SLPC_PARAM_GLOBAL_MAX_GT_SLICE_FREQ_MHZ = 9,
+ SLPC_PARAM_GTPERF_THRESHOLD_MAX_FPS = 10,
+ SLPC_PARAM_GLOBAL_DISABLE_GT_FREQ_MANAGEMENT = 11,
+ SLPC_PARAM_GTPERF_ENABLE_FRAMERATE_STALLING = 12,
+ SLPC_PARAM_GLOBAL_DISABLE_RC6_MODE_CHANGE = 13,
+ SLPC_PARAM_GLOBAL_OC_UNSLICE_FREQ_MHZ = 14,
+ SLPC_PARAM_GLOBAL_OC_SLICE_FREQ_MHZ = 15,
+ SLPC_PARAM_GLOBAL_ENABLE_IA_GT_BALANCING = 16,
+ SLPC_PARAM_GLOBAL_ENABLE_ADAPTIVE_BURST_TURBO = 17,
+ SLPC_PARAM_GLOBAL_ENABLE_EVAL_MODE = 18,
+ SLPC_PARAM_GLOBAL_ENABLE_BALANCER_IN_NON_GAMING_MODE = 19,
+ SLPC_MAX_PARAM,
+};
+
/* intel_slpc.c */
void intel_slpc_init(struct drm_i915_private *dev_priv);
void intel_slpc_cleanup(struct drm_i915_private *dev_priv);
@@ -204,5 +228,9 @@ void intel_slpc_read_shared_data(struct drm_i915_private *dev_priv,
struct slpc_shared_data *data);
const char *intel_slpc_get_state_str(enum slpc_global_state state);
bool intel_slpc_get_status(struct drm_i915_private *dev_priv);
+void intel_slpc_unset_param(struct drm_i915_private *dev_priv, u32 id);
+void intel_slpc_set_param(struct drm_i915_private *dev_priv, u32 id, u32 value);
+void intel_slpc_get_param(struct drm_i915_private *dev_priv, u32 id,
+ int *overriding, u32 *value);
#endif