diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
index 7edeed52cc32..673fd211014f 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
@@ -359,6 +359,9 @@ void dc_state_destruct(struct dc_state *state)
 	}
 	state->phantom_plane_count = 0;
 
+	memset(state->probes, 0, sizeof(state->probes));
+	state->probe_count = 0;
+
 	state->stream_mask = 0;
 	memset(&state->res_ctx, 0, sizeof(state->res_ctx));
 	memset(&state->pp_display_cfg, 0, sizeof(state->pp_display_cfg));
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 436277acd034..3e22c1f8d4db 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -29,6 +29,7 @@
 #include "dc_types.h"
 #include "dc_state.h"
 #include "dc_plane.h"
+#include "dc_probe.h"
 #include "grph_object_defs.h"
 #include "logger_types.h"
 #include "hdcp_msg_types.h"
@@ -2105,6 +2106,14 @@ struct dc_surface_update {
 	struct cm_hist_control *cm_hist_control;
 };
 
+struct dc_state_update {
+	struct dc_stream_state   *stream;
+	struct dc_stream_update  *stream_update;
+	struct dc_surface_update *surface_updates;
+	int                       surface_count;
+	const struct dc_probe_updates *probe_updates;
+};
+
 struct dc_underflow_debug_data {
 	struct dcn_hubbub_reg_state *hubbub_reg_state;
 	struct dcn_hubp_reg_state *hubp_reg_state[MAX_PIPES];
diff --git a/drivers/gpu/drm/amd/display/dc/dc_probe.h b/drivers/gpu/drm/amd/display/dc/dc_probe.h
new file mode 100644
index 000000000000..ebf33b162b63
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dc_probe.h
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: MIT
+//
+// Copyright 2025 Advanced Micro Devices, Inc.
+
+#ifndef _DC_PROBE_H_
+#define _DC_PROBE_H_
+
+#include "os_types.h"
+
+/**
+ * enum dc_probe_type - What DM wants to probe.
+ *
+ * Each value names a measurable quantity as an abstraction. DC resolves it to
+ * whatever HW measurement block fulfills it. DM never selects the HW block.
+ */
+enum dc_probe_type {
+	DC_PROBE_PEAK_MEM_BW = 0,
+	DC_PROBE_AVG_MEM_BW,
+	DC_PROBE_MEM_LATENCY,
+	DC_PROBE_URGENT_RAMP_LATENCY,
+	DC_PROBE_URGENT_ASSERTION_COUNT,
+	DC_PROBE_PREFETCH_DATA_SIZE,
+};
+
+/**
+ * enum dc_probe_target_state - Target lifecycle state DM wants DC to reach.
+ *
+ * DM sets this to describe the final state DC must reach by the end of the
+ * commit. DC performs whatever HW transition sequence is needed.
+ *
+ * @DC_PROBE_NOT_MEASURING: probe inactive, no valid data available.
+ * @DC_PROBE_MEASURING:     probe runs continuously. The latest value can be
+ *   read back at any time and may differ on each read.
+ * @DC_PROBE_MEASURED:      probe performed one shot. The result is latched and
+ *   stays valid until DM transitions back to DC_PROBE_NOT_MEASURING.
+ */
+enum dc_probe_target_state {
+	DC_PROBE_NOT_MEASURING = 0,
+	DC_PROBE_MEASURING,
+	DC_PROBE_MEASURED,
+};
+
+/**
+ * enum dc_probe_scope_type - What the probe is scoped to.
+ * @DC_PROBE_SCOPE_GLOBAL: whole memory subsystem, no stream/plane selector.
+ *
+ * Only GLOBAL is implemented. Per-stream/plane scoping must select targets by
+ * stable id, not object pointer — dc_state copy semantics would dangle a raw
+ * pointer when the absolute-set commit removes or replaces the target.
+ */
+enum dc_probe_scope_type {
+	DC_PROBE_SCOPE_GLOBAL = 0,
+};
+
+/**
+ * struct dc_probe_scope - Selects what a probe measures against.
+ * @type: scope kind, only DC_PROBE_SCOPE_GLOBAL is implemented.
+ */
+struct dc_probe_scope {
+	enum dc_probe_scope_type type;
+};
+
+/**
+ * struct dc_probe_state - DM-authored descriptor of a single probe.
+ *
+ * A plain inline value with copy semantics: no allocation, no refcount. DC
+ * resolves each descriptor to a HW measurement instance and diffs the desired
+ * set against the committed set to plan the transition.
+ *
+ * @type:         what to measure.
+ * @target_state: desired lifecycle state for this probe.
+ * @scope:        what the probe is scoped to (GLOBAL only for now).
+ */
+struct dc_probe_state {
+	enum dc_probe_type         type;
+	enum dc_probe_target_state target_state;
+	struct dc_probe_scope      scope;
+};
+
+#define MAX_PROBES 1
+
+/**
+ * struct dc_probe_updates - Absolute set of probes DM wants active.
+ *
+ * Mirrors the plane/stream absolute-set model: the array is the complete
+ * desired set. DC compares it against the committed set to add, remove, or
+ * transition probes.
+ *
+ * @probes:      desired probe descriptors.
+ * @probe_count: number of valid entries in @probes.
+ */
+struct dc_probe_updates {
+	struct dc_probe_state probes[MAX_PROBES];
+	int                   probe_count;
+};
+
+#endif /* _DC_PROBE_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index cbbc1fb4b3dd..c42626101cd7 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -622,6 +622,7 @@ struct dc_state {
 	 * @stream_status: Planes status on a given stream
 	 */
 	struct dc_stream_status stream_status[MAX_PIPES];
+
 	/**
 	 * @phantom_streams: Stream state properties for phantoms
 	 */
@@ -645,6 +646,17 @@ struct dc_state {
 	 * @stream_count: Total phantom planes in use
 	 */
 	uint8_t phantom_plane_count;
+
+	/**
+	 * @probes: Committed absolute set of probe descriptors.
+	 */
+	struct dc_probe_state probes[MAX_PROBES];
+
+	/**
+	 * @probe_count: Number of valid entries in @probes.
+	 */
+	int probe_count;
+
 	/**
 	 * @res_ctx: Persistent state of resources
 	 */