Merging upstream version 6.9.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 316 insertions, 2 deletions

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 3731828825..4891bd916d 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -718,6 +718,7 @@
 # define DP_PSR_SU_REGION_SCANLINE_CAPTURE	BIT(4) /* eDP 1.4a */
 # define DP_PSR_IRQ_HPD_WITH_CRC_ERRORS		BIT(5) /* eDP 1.4a */
 # define DP_PSR_ENABLE_PSR2			BIT(6) /* eDP 1.4a */
+# define DP_PSR_ENABLE_SU_REGION_ET             BIT(7) /* eDP 1.5 */
 
 #define DP_ADAPTER_CTRL			    0x1a0
 # define DP_ADAPTER_CTRL_FORCE_LOAD_SENSE   (1 << 0)
@@ -1080,6 +1081,7 @@
 # define STREAM_STATUS_CHANGED               (1 << 2)
 # define HDMI_LINK_STATUS_CHANGED            (1 << 3)
 # define CONNECTED_OFF_ENTRY_REQUESTED       (1 << 4)
+# define DP_TUNNELING_IRQ                    (1 << 5)
 
 #define DP_PSR_ERROR_STATUS                 0x2006  /* XXX 1.2? */
 # define DP_PSR_LINK_CRC_ERROR              (1 << 0)
@@ -1381,6 +1383,66 @@
 #define DP_HDCP_2_2_REG_STREAM_TYPE_OFFSET	0x69494
 #define DP_HDCP_2_2_REG_DBG_OFFSET		0x69518
 
+/* DP-tunneling */
+#define DP_TUNNELING_OUI				0xe0000
+#define  DP_TUNNELING_OUI_BYTES				3
+
+#define DP_TUNNELING_DEV_ID				0xe0003
+#define  DP_TUNNELING_DEV_ID_BYTES			6
+
+#define DP_TUNNELING_HW_REV				0xe0009
+#define  DP_TUNNELING_HW_REV_MAJOR_SHIFT		4
+#define  DP_TUNNELING_HW_REV_MAJOR_MASK			(0xf << DP_TUNNELING_HW_REV_MAJOR_SHIFT)
+#define  DP_TUNNELING_HW_REV_MINOR_SHIFT		0
+#define  DP_TUNNELING_HW_REV_MINOR_MASK			(0xf << DP_TUNNELING_HW_REV_MINOR_SHIFT)
+
+#define DP_TUNNELING_SW_REV_MAJOR			0xe000a
+#define DP_TUNNELING_SW_REV_MINOR			0xe000b
+
+#define DP_TUNNELING_CAPABILITIES			0xe000d
+#define  DP_IN_BW_ALLOCATION_MODE_SUPPORT		(1 << 7)
+#define  DP_PANEL_REPLAY_OPTIMIZATION_SUPPORT		(1 << 6)
+#define  DP_TUNNELING_SUPPORT				(1 << 0)
+
+#define DP_IN_ADAPTER_INFO				0xe000e
+#define  DP_IN_ADAPTER_NUMBER_BITS			7
+#define  DP_IN_ADAPTER_NUMBER_MASK			((1 << DP_IN_ADAPTER_NUMBER_BITS) - 1)
+
+#define DP_USB4_DRIVER_ID				0xe000f
+#define  DP_USB4_DRIVER_ID_BITS				4
+#define  DP_USB4_DRIVER_ID_MASK				((1 << DP_USB4_DRIVER_ID_BITS) - 1)
+
+#define DP_USB4_DRIVER_BW_CAPABILITY			0xe0020
+#define  DP_USB4_DRIVER_BW_ALLOCATION_MODE_SUPPORT	(1 << 7)
+
+#define DP_IN_ADAPTER_TUNNEL_INFORMATION		0xe0021
+#define  DP_GROUP_ID_BITS				3
+#define  DP_GROUP_ID_MASK				((1 << DP_GROUP_ID_BITS) - 1)
+
+#define DP_BW_GRANULARITY				0xe0022
+#define  DP_BW_GRANULARITY_MASK				0x3
+
+#define DP_ESTIMATED_BW					0xe0023
+#define DP_ALLOCATED_BW					0xe0024
+
+#define DP_TUNNELING_STATUS				0xe0025
+#define  DP_BW_ALLOCATION_CAPABILITY_CHANGED		(1 << 3)
+#define  DP_ESTIMATED_BW_CHANGED			(1 << 2)
+#define  DP_BW_REQUEST_SUCCEEDED			(1 << 1)
+#define  DP_BW_REQUEST_FAILED				(1 << 0)
+
+#define DP_TUNNELING_MAX_LINK_RATE			0xe0028
+
+#define DP_TUNNELING_MAX_LANE_COUNT			0xe0029
+#define  DP_TUNNELING_MAX_LANE_COUNT_MASK		0x1f
+
+#define DP_DPTX_BW_ALLOCATION_MODE_CONTROL		0xe0030
+#define  DP_DISPLAY_DRIVER_BW_ALLOCATION_MODE_ENABLE	(1 << 7)
+#define  DP_UNMASK_BW_ALLOCATION_IRQ			(1 << 6)
+
+#define DP_REQUEST_BW					0xe0031
+#define  MAX_DP_REQUEST_BW				255
+
 /* LTTPR: Link Training (LT)-tunable PHY Repeaters */
 #define DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV 0xf0000 /* 1.3 */
 #define DP_MAX_LINK_RATE_PHY_REPEATER			    0xf0001 /* 1.4a */
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 472359a9d6..a62fcd051d 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -98,8 +98,9 @@ struct drm_dp_vsc_sdp {
 	enum dp_content_type content_type;
 };
 
-void drm_dp_vsc_sdp_log(const char *level, struct device *dev,
-			const struct drm_dp_vsc_sdp *vsc);
+void drm_dp_vsc_sdp_log(struct drm_printer *p, const struct drm_dp_vsc_sdp *vsc);
+
+bool drm_dp_vsc_sdp_supported(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
 
 int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]);
 
@@ -818,5 +819,8 @@ int drm_dp_bw_overhead(int lane_count, int hactive,
 		       int dsc_slice_count,
 		       int bpp_x16, unsigned long flags);
 int drm_dp_bw_channel_coding_efficiency(bool is_uhbr);
+int drm_dp_max_dprx_data_rate(int max_link_rate, int max_lanes);
+
+ssize_t drm_dp_vsc_sdp_pack(const struct drm_dp_vsc_sdp *vsc, struct dp_sdp *sdp);
 
 #endif /* _DRM_DP_HELPER_H_ */
diff --git a/include/drm/display/drm_dp_tunnel.h b/include/drm/display/drm_dp_tunnel.h
new file mode 100644
index 0000000000..87212c8479
--- /dev/null
+++ b/include/drm/display/drm_dp_tunnel.h
@@ -0,0 +1,248 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef __DRM_DP_TUNNEL_H__
+#define __DRM_DP_TUNNEL_H__
+
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+
+struct drm_dp_aux;
+
+struct drm_device;
+
+struct drm_atomic_state;
+struct drm_dp_tunnel_mgr;
+struct drm_dp_tunnel_state;
+
+struct ref_tracker;
+
+struct drm_dp_tunnel_ref {
+	struct drm_dp_tunnel *tunnel;
+	struct ref_tracker *tracker;
+};
+
+#ifdef CONFIG_DRM_DISPLAY_DP_TUNNEL
+
+struct drm_dp_tunnel *
+drm_dp_tunnel_get(struct drm_dp_tunnel *tunnel, struct ref_tracker **tracker);
+
+void
+drm_dp_tunnel_put(struct drm_dp_tunnel *tunnel, struct ref_tracker **tracker);
+
+static inline void drm_dp_tunnel_ref_get(struct drm_dp_tunnel *tunnel,
+					 struct drm_dp_tunnel_ref *tunnel_ref)
+{
+	tunnel_ref->tunnel = drm_dp_tunnel_get(tunnel, &tunnel_ref->tracker);
+}
+
+static inline void drm_dp_tunnel_ref_put(struct drm_dp_tunnel_ref *tunnel_ref)
+{
+	drm_dp_tunnel_put(tunnel_ref->tunnel, &tunnel_ref->tracker);
+	tunnel_ref->tunnel = NULL;
+}
+
+struct drm_dp_tunnel *
+drm_dp_tunnel_detect(struct drm_dp_tunnel_mgr *mgr,
+		     struct drm_dp_aux *aux);
+int drm_dp_tunnel_destroy(struct drm_dp_tunnel *tunnel);
+
+int drm_dp_tunnel_enable_bw_alloc(struct drm_dp_tunnel *tunnel);
+int drm_dp_tunnel_disable_bw_alloc(struct drm_dp_tunnel *tunnel);
+bool drm_dp_tunnel_bw_alloc_is_enabled(const struct drm_dp_tunnel *tunnel);
+int drm_dp_tunnel_alloc_bw(struct drm_dp_tunnel *tunnel, int bw);
+int drm_dp_tunnel_get_allocated_bw(struct drm_dp_tunnel *tunnel);
+int drm_dp_tunnel_update_state(struct drm_dp_tunnel *tunnel);
+
+void drm_dp_tunnel_set_io_error(struct drm_dp_tunnel *tunnel);
+
+int drm_dp_tunnel_handle_irq(struct drm_dp_tunnel_mgr *mgr,
+			     struct drm_dp_aux *aux);
+
+int drm_dp_tunnel_max_dprx_rate(const struct drm_dp_tunnel *tunnel);
+int drm_dp_tunnel_max_dprx_lane_count(const struct drm_dp_tunnel *tunnel);
+int drm_dp_tunnel_available_bw(const struct drm_dp_tunnel *tunnel);
+
+const char *drm_dp_tunnel_name(const struct drm_dp_tunnel *tunnel);
+
+struct drm_dp_tunnel_state *
+drm_dp_tunnel_atomic_get_state(struct drm_atomic_state *state,
+			       struct drm_dp_tunnel *tunnel);
+
+struct drm_dp_tunnel_state *
+drm_dp_tunnel_atomic_get_old_state(struct drm_atomic_state *state,
+				   const struct drm_dp_tunnel *tunnel);
+
+struct drm_dp_tunnel_state *
+drm_dp_tunnel_atomic_get_new_state(struct drm_atomic_state *state,
+				   const struct drm_dp_tunnel *tunnel);
+
+int drm_dp_tunnel_atomic_set_stream_bw(struct drm_atomic_state *state,
+				       struct drm_dp_tunnel *tunnel,
+				       u8 stream_id, int bw);
+int drm_dp_tunnel_atomic_get_group_streams_in_state(struct drm_atomic_state *state,
+						    const struct drm_dp_tunnel *tunnel,
+						    u32 *stream_mask);
+
+int drm_dp_tunnel_atomic_check_stream_bws(struct drm_atomic_state *state,
+					  u32 *failed_stream_mask);
+
+int drm_dp_tunnel_atomic_get_required_bw(const struct drm_dp_tunnel_state *tunnel_state);
+
+struct drm_dp_tunnel_mgr *
+drm_dp_tunnel_mgr_create(struct drm_device *dev, int max_group_count);
+void drm_dp_tunnel_mgr_destroy(struct drm_dp_tunnel_mgr *mgr);
+
+#else
+
+static inline struct drm_dp_tunnel *
+drm_dp_tunnel_get(struct drm_dp_tunnel *tunnel, struct ref_tracker **tracker)
+{
+	return NULL;
+}
+
+static inline void
+drm_dp_tunnel_put(struct drm_dp_tunnel *tunnel, struct ref_tracker **tracker) {}
+
+static inline void drm_dp_tunnel_ref_get(struct drm_dp_tunnel *tunnel,
+					 struct drm_dp_tunnel_ref *tunnel_ref) {}
+
+static inline void drm_dp_tunnel_ref_put(struct drm_dp_tunnel_ref *tunnel_ref) {}
+
+static inline struct drm_dp_tunnel *
+drm_dp_tunnel_detect(struct drm_dp_tunnel_mgr *mgr,
+		     struct drm_dp_aux *aux)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline int
+drm_dp_tunnel_destroy(struct drm_dp_tunnel *tunnel)
+{
+	return 0;
+}
+
+static inline int drm_dp_tunnel_enable_bw_alloc(struct drm_dp_tunnel *tunnel)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int drm_dp_tunnel_disable_bw_alloc(struct drm_dp_tunnel *tunnel)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline bool drm_dp_tunnel_bw_alloc_is_enabled(const struct drm_dp_tunnel *tunnel)
+{
+	return false;
+}
+
+static inline int
+drm_dp_tunnel_alloc_bw(struct drm_dp_tunnel *tunnel, int bw)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+drm_dp_tunnel_get_allocated_bw(struct drm_dp_tunnel *tunnel)
+{
+	return -1;
+}
+
+static inline int
+drm_dp_tunnel_update_state(struct drm_dp_tunnel *tunnel)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline void drm_dp_tunnel_set_io_error(struct drm_dp_tunnel *tunnel) {}
+
+static inline int
+drm_dp_tunnel_handle_irq(struct drm_dp_tunnel_mgr *mgr,
+			 struct drm_dp_aux *aux)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+drm_dp_tunnel_max_dprx_rate(const struct drm_dp_tunnel *tunnel)
+{
+	return 0;
+}
+
+static inline int
+drm_dp_tunnel_max_dprx_lane_count(const struct drm_dp_tunnel *tunnel)
+{
+	return 0;
+}
+
+static inline int
+drm_dp_tunnel_available_bw(const struct drm_dp_tunnel *tunnel)
+{
+	return -1;
+}
+
+static inline const char *
+drm_dp_tunnel_name(const struct drm_dp_tunnel *tunnel)
+{
+	return NULL;
+}
+
+static inline struct drm_dp_tunnel_state *
+drm_dp_tunnel_atomic_get_state(struct drm_atomic_state *state,
+			       struct drm_dp_tunnel *tunnel)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline struct drm_dp_tunnel_state *
+drm_dp_tunnel_atomic_get_new_state(struct drm_atomic_state *state,
+				   const struct drm_dp_tunnel *tunnel)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline int
+drm_dp_tunnel_atomic_set_stream_bw(struct drm_atomic_state *state,
+				   struct drm_dp_tunnel *tunnel,
+				   u8 stream_id, int bw)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+drm_dp_tunnel_atomic_get_group_streams_in_state(struct drm_atomic_state *state,
+						const struct drm_dp_tunnel *tunnel,
+						u32 *stream_mask)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+drm_dp_tunnel_atomic_check_stream_bws(struct drm_atomic_state *state,
+				      u32 *failed_stream_mask)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+drm_dp_tunnel_atomic_get_required_bw(const struct drm_dp_tunnel_state *tunnel_state)
+{
+	return 0;
+}
+
+static inline struct drm_dp_tunnel_mgr *
+drm_dp_tunnel_mgr_create(struct drm_device *dev, int max_group_count)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline
+void drm_dp_tunnel_mgr_destroy(struct drm_dp_tunnel_mgr *mgr) {}
+
+#endif /* CONFIG_DRM_DISPLAY_DP_TUNNEL */
+
+#endif /* __DRM_DP_TUNNEL_H__ */