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-rw-r--r--include/drm/display/drm_dp.h73
-rw-r--r--include/drm/display/drm_dp_helper.h65
-rw-r--r--include/drm/display/drm_dp_mst_helper.h31
-rw-r--r--include/drm/display/drm_dp_tunnel.h248
-rw-r--r--include/drm/display/drm_dsc.h3
5 files changed, 411 insertions, 9 deletions
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 3731828825bd..0b032faa8cf2 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)
@@ -1148,6 +1150,8 @@
#define DP_DPRX_FEATURE_ENUMERATION_LIST_CONT_1 0x2214 /* 2.0 E11 */
# define DP_ADAPTIVE_SYNC_SDP_SUPPORTED (1 << 0)
+# define DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE GENMASK(1, 0)
+# define DP_ADAPTIVE_SYNC_SDP_LENGTH GENMASK(5, 0)
# define DP_AS_SDP_FIRST_HALF_LINE_OR_3840_PIXEL_CYCLE_WINDOW_NOT_SUPPORTED (1 << 1)
# define DP_VSC_EXT_SDP_FRAMEWORK_VERSION_1_SUPPORTED (1 << 4)
@@ -1381,6 +1385,66 @@
#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 */
@@ -1577,10 +1641,12 @@ enum drm_dp_phy {
#define DP_SDP_AUDIO_COPYMANAGEMENT 0x05 /* DP 1.2 */
#define DP_SDP_ISRC 0x06 /* DP 1.2 */
#define DP_SDP_VSC 0x07 /* DP 1.2 */
+#define DP_SDP_ADAPTIVE_SYNC 0x22 /* DP 1.4 */
#define DP_SDP_CAMERA_GENERIC(i) (0x08 + (i)) /* 0-7, DP 1.3 */
#define DP_SDP_PPS 0x10 /* DP 1.4 */
#define DP_SDP_VSC_EXT_VESA 0x20 /* DP 1.4 */
#define DP_SDP_VSC_EXT_CEA 0x21 /* DP 1.4 */
+
/* 0x80+ CEA-861 infoframe types */
#define DP_SDP_AUDIO_INFOFRAME_HB2 0x1b
@@ -1736,4 +1802,11 @@ enum dp_content_type {
DP_CONTENT_TYPE_GAME = 0x04,
};
+enum operation_mode {
+ DP_AS_SDP_AVT_DYNAMIC_VTOTAL = 0x00,
+ DP_AS_SDP_AVT_FIXED_VTOTAL = 0x01,
+ DP_AS_SDP_FAVT_TRR_NOT_REACHED = 0x02,
+ DP_AS_SDP_FAVT_TRR_REACHED = 0x03
+};
+
#endif /* _DRM_DP_H_ */
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 863b2e7add29..8bed890eec2c 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -98,8 +98,39 @@ 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);
+/**
+ * struct drm_dp_as_sdp - drm DP Adaptive Sync SDP
+ *
+ * This structure represents a DP AS SDP of drm
+ * It is based on DP 2.1 spec [Table 2-126: Adaptive-Sync SDP Header Bytes] and
+ * [Table 2-127: Adaptive-Sync SDP Payload for DB0 through DB8]
+ *
+ * @sdp_type: Secondary-data packet type
+ * @revision: Revision Number
+ * @length: Number of valid data bytes
+ * @vtotal: Minimum Vertical Vtotal
+ * @target_rr: Target Refresh
+ * @duration_incr_ms: Successive frame duration increase
+ * @duration_decr_ms: Successive frame duration decrease
+ * @operation_mode: Adaptive Sync Operation Mode
+ */
+struct drm_dp_as_sdp {
+ unsigned char sdp_type;
+ unsigned char revision;
+ unsigned char length;
+ int vtotal;
+ int target_rr;
+ int duration_incr_ms;
+ int duration_decr_ms;
+ enum operation_mode mode;
+};
+
+void drm_dp_as_sdp_log(struct drm_printer *p,
+ const struct drm_dp_as_sdp *as_sdp);
+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]);
+bool drm_dp_as_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]);
@@ -221,6 +252,12 @@ drm_dp_channel_coding_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
}
static inline bool
+drm_dp_128b132b_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+ return dpcd[DP_MAIN_LINK_CHANNEL_CODING] & DP_CAP_ANSI_128B132B;
+}
+
+static inline bool
drm_dp_alternate_scrambler_reset_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
{
return dpcd[DP_EDP_CONFIGURATION_CAP] &
@@ -421,7 +458,18 @@ struct drm_dp_aux {
* @wait_hpd_asserted: wait for HPD to be asserted
*
* This is mainly useful for eDP panels drivers to wait for an eDP
- * panel to finish powering on. This is an optional function.
+ * panel to finish powering on. It is optional for DP AUX controllers
+ * to implement this function. It is required for DP AUX endpoints
+ * (panel drivers) to call this function after powering up but before
+ * doing AUX transfers unless the DP AUX endpoint driver knows that
+ * we're not using the AUX controller's HPD. One example of the panel
+ * driver not needing to call this is if HPD is hooked up to a GPIO
+ * that the panel driver can read directly.
+ *
+ * If a DP AUX controller does not implement this function then it
+ * may still support eDP panels that use the AUX controller's built-in
+ * HPD signal by implementing a long wait for HPD in the transfer()
+ * callback, though this is deprecated.
*
* This function will efficiently wait for the HPD signal to be
* asserted. The `wait_us` parameter that is passed in says that we
@@ -463,9 +511,15 @@ struct drm_dp_aux {
* @is_remote: Is this AUX CH actually using sideband messaging.
*/
bool is_remote;
+
+ /**
+ * @powered_down: If true then the remote endpoint is powered down.
+ */
+ bool powered_down;
};
int drm_dp_dpcd_probe(struct drm_dp_aux *aux, unsigned int offset);
+void drm_dp_dpcd_set_powered(struct drm_dp_aux *aux, bool powered);
ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,
void *buffer, size_t size);
ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset,
@@ -715,7 +769,7 @@ static inline int drm_panel_dp_aux_backlight(struct drm_panel *panel,
#endif
-#ifdef CONFIG_DRM_DP_CEC
+#ifdef CONFIG_DRM_DISPLAY_DP_AUX_CEC
void drm_dp_cec_irq(struct drm_dp_aux *aux);
void drm_dp_cec_register_connector(struct drm_dp_aux *aux,
struct drm_connector *connector);
@@ -812,5 +866,8 @@ 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_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index 9b19d8bd520a..3546b58a121b 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -83,7 +83,6 @@ struct drm_dp_mst_branch;
* @passthrough_aux: parent aux to which DSC pass-through requests should be
* sent, only set if DSC pass-through is possible.
* @parent: branch device parent of this port
- * @vcpi: Virtual Channel Payload info for this port.
* @connector: DRM connector this port is connected to. Protected by
* &drm_dp_mst_topology_mgr.base.lock.
* @mgr: topology manager this port lives under.
@@ -818,7 +817,28 @@ int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr,
void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr);
-bool drm_dp_read_mst_cap(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+/**
+ * enum drm_dp_mst_mode - sink's MST mode capability
+ */
+enum drm_dp_mst_mode {
+ /**
+ * @DRM_DP_SST: The sink does not support MST nor single stream sideband
+ * messaging.
+ */
+ DRM_DP_SST,
+ /**
+ * @DRM_DP_MST: Sink supports MST, more than one stream and single
+ * stream sideband messaging.
+ */
+ DRM_DP_MST,
+ /**
+ * @DRM_DP_SST_SIDEBAND_MSG: Sink supports only one stream and single
+ * stream sideband messaging.
+ */
+ DRM_DP_SST_SIDEBAND_MSG,
+};
+
+enum drm_dp_mst_mode drm_dp_read_mst_cap(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool mst_state);
int drm_dp_mst_hpd_irq_handle_event(struct drm_dp_mst_topology_mgr *mgr,
@@ -928,6 +948,13 @@ int __must_check drm_dp_mst_root_conn_atomic_check(struct drm_connector_state *n
void drm_dp_mst_get_port_malloc(struct drm_dp_mst_port *port);
void drm_dp_mst_put_port_malloc(struct drm_dp_mst_port *port);
+static inline
+bool drm_dp_mst_port_is_logical(struct drm_dp_mst_port *port)
+{
+ return port->port_num >= DP_MST_LOGICAL_PORT_0;
+}
+
+struct drm_dp_aux *drm_dp_mst_aux_for_parent(struct drm_dp_mst_port *port);
struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port);
static inline struct drm_dp_mst_topology_state *
diff --git a/include/drm/display/drm_dp_tunnel.h b/include/drm/display/drm_dp_tunnel.h
new file mode 100644
index 000000000000..87212c847915
--- /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__ */
diff --git a/include/drm/display/drm_dsc.h b/include/drm/display/drm_dsc.h
index bc90273d06a6..bbbe7438473d 100644
--- a/include/drm/display/drm_dsc.h
+++ b/include/drm/display/drm_dsc.h
@@ -40,9 +40,6 @@
#define DSC_PPS_RC_RANGE_MINQP_SHIFT 11
#define DSC_PPS_RC_RANGE_MAXQP_SHIFT 6
#define DSC_PPS_NATIVE_420_SHIFT 1
-#define DSC_1_2_MAX_LINEBUF_DEPTH_BITS 16
-#define DSC_1_2_MAX_LINEBUF_DEPTH_VAL 0
-#define DSC_1_1_MAX_LINEBUF_DEPTH_BITS 13
/**
* struct drm_dsc_rc_range_parameters - DSC Rate Control range parameters
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