2 * Copyright (C) 2015-2020 Advanced Micro Devices, Inc. All rights reserved.
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5 * copy of this software and associated documentation files (the "Software"),
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11 * The above copyright notice and this permission notice shall be included in
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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26 #ifndef __AMDGPU_DM_H__
27 #define __AMDGPU_DM_H__
29 #include <drm/display/drm_dp_mst_helper.h>
30 #include <drm/drm_atomic.h>
31 #include <drm/drm_connector.h>
32 #include <drm/drm_crtc.h>
33 #include <drm/drm_plane.h>
34 #include "link_service_types.h"
35 #include <drm/drm_writeback.h>
38 * This file contains the definition for amdgpu_display_manager
39 * and its API for amdgpu driver's use.
40 * This component provides all the display related functionality
41 * and this is the only component that calls DAL API.
42 * The API contained here intended for amdgpu driver use.
43 * The API that is called directly from KMS framework is located
44 * in amdgpu_dm_kms.h file
47 #define AMDGPU_DM_MAX_DISPLAY_INDEX 31
49 #define AMDGPU_DM_MAX_CRTC 6
51 #define AMDGPU_DM_MAX_NUM_EDP 2
53 #define AMDGPU_DMUB_NOTIFICATION_MAX 5
55 #define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID 0x00001A
56 #define AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE 0x40
57 #define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_VERSION_3 0x3
59 #define AMDGPU_HDR_MULT_DEFAULT (0x100000000LL)
62 #include "include/amdgpu_dal_power_if.h"
63 #include "amdgpu_dm_irq.h"
66 #include "irq_types.h"
67 #include "signal_types.h"
68 #include "amdgpu_dm_crc.h"
69 #include "mod_info_packet.h"
71 struct set_config_cmd_payload;
72 enum aux_return_code_type;
73 enum set_config_status;
75 /* Forward declarations */
82 struct dc_plane_state;
83 struct dmub_notification;
85 struct amd_vsdb_block {
86 unsigned char ieee_id[3];
87 unsigned char version;
88 unsigned char feature_caps;
91 struct common_irq_params {
92 struct amdgpu_device *adev;
93 enum dc_irq_source irq_src;
94 atomic64_t previous_timestamp;
98 * struct dm_compressor_info - Buffer info used by frame buffer compression
99 * @cpu_addr: MMIO cpu addr
100 * @bo_ptr: Pointer to the buffer object
101 * @gpu_addr: MMIO gpu addr
103 struct dm_compressor_info {
105 struct amdgpu_bo *bo_ptr;
109 typedef void (*dmub_notify_interrupt_callback_t)(struct amdgpu_device *adev, struct dmub_notification *notify);
112 * struct dmub_hpd_work - Handle time consuming work in low priority outbox IRQ
114 * @handle_hpd_work: Work to be executed in a separate thread to handle hpd_low_irq
115 * @dmub_notify: notification for callback function
116 * @adev: amdgpu_device pointer
118 struct dmub_hpd_work {
119 struct work_struct handle_hpd_work;
120 struct dmub_notification *dmub_notify;
121 struct amdgpu_device *adev;
125 * struct vblank_control_work - Work data for vblank control
126 * @work: Kernel work data for the work event
127 * @dm: amdgpu display manager device
128 * @acrtc: amdgpu CRTC instance for which the event has occurred
129 * @stream: DC stream for which the event has occurred
130 * @enable: true if enabling vblank
132 struct vblank_control_work {
133 struct work_struct work;
134 struct amdgpu_display_manager *dm;
135 struct amdgpu_crtc *acrtc;
136 struct dc_stream_state *stream;
140 struct idle_workqueue {
141 struct work_struct work;
142 struct amdgpu_display_manager *dm;
148 * struct amdgpu_dm_backlight_caps - Information about backlight
150 * Describe the backlight support for ACPI or eDP AUX.
152 struct amdgpu_dm_backlight_caps {
154 * @ext_caps: Keep the data struct with all the information about the
155 * display support for HDR.
157 union dpcd_sink_ext_caps *ext_caps;
159 * @aux_min_input_signal: Min brightness value supported by the display
161 u32 aux_min_input_signal;
163 * @aux_max_input_signal: Max brightness value supported by the display
166 u32 aux_max_input_signal;
168 * @min_input_signal: minimum possible input in range 0-255.
170 int min_input_signal;
172 * @max_input_signal: maximum possible input in range 0-255.
174 int max_input_signal;
176 * @caps_valid: true if these values are from the ACPI interface.
180 * @aux_support: Describes if the display supports AUX backlight.
186 * struct dal_allocation - Tracks mapped FB memory for SMU communication
187 * @list: list of dal allocations
188 * @bo: GPU buffer object
189 * @cpu_ptr: CPU virtual address of the GPU buffer object
190 * @gpu_addr: GPU virtual address of the GPU buffer object
192 struct dal_allocation {
193 struct list_head list;
194 struct amdgpu_bo *bo;
200 * struct hpd_rx_irq_offload_work_queue - Work queue to handle hpd_rx_irq
203 struct hpd_rx_irq_offload_work_queue {
205 * @wq: workqueue structure to queue offload work.
207 struct workqueue_struct *wq;
209 * @offload_lock: To protect fields of offload work queue.
211 spinlock_t offload_lock;
213 * @is_handling_link_loss: Used to prevent inserting link loss event when
214 * we're handling link loss
216 bool is_handling_link_loss;
218 * @is_handling_mst_msg_rdy_event: Used to prevent inserting mst message
219 * ready event when we're already handling mst message ready event
221 bool is_handling_mst_msg_rdy_event;
223 * @aconnector: The aconnector that this work queue is attached to
225 struct amdgpu_dm_connector *aconnector;
229 * struct hpd_rx_irq_offload_work - hpd_rx_irq offload work structure
231 struct hpd_rx_irq_offload_work {
233 * @work: offload work
235 struct work_struct work;
237 * @data: reference irq data which is used while handling offload work
239 union hpd_irq_data data;
241 * @offload_wq: offload work queue that this work is queued to
243 struct hpd_rx_irq_offload_work_queue *offload_wq;
247 * struct amdgpu_display_manager - Central amdgpu display manager device
249 * @dc: Display Core control structure
250 * @adev: AMDGPU base driver structure
251 * @ddev: DRM base driver structure
252 * @display_indexes_num: Max number of display streams supported
253 * @irq_handler_list_table_lock: Synchronizes access to IRQ tables
254 * @backlight_dev: Backlight control device
255 * @backlight_link: Link on which to control backlight
256 * @backlight_caps: Capabilities of the backlight device
257 * @freesync_module: Module handling freesync calculations
258 * @hdcp_workqueue: AMDGPU content protection queue
259 * @fw_dmcu: Reference to DMCU firmware
260 * @dmcu_fw_version: Version of the DMCU firmware
261 * @soc_bounding_box: SOC bounding box values provided by gpu_info FW
262 * @cached_state: Caches device atomic state for suspend/resume
263 * @cached_dc_state: Cached state of content streams
264 * @compressor: Frame buffer compression buffer. See &struct dm_compressor_info
265 * @force_timing_sync: set via debugfs. When set, indicates that all connected
266 * displays will be forced to synchronize.
267 * @dmcub_trace_event_en: enable dmcub trace events
268 * @dmub_outbox_params: DMUB Outbox parameters
269 * @num_of_edps: number of backlight eDPs
270 * @disable_hpd_irq: disables all HPD and HPD RX interrupt handling in the
272 * @dmub_aux_transfer_done: struct completion used to indicate when DMUB
274 * @delayed_hpd_wq: work queue used to delay DMUB HPD work
276 struct amdgpu_display_manager {
283 * DMUB service, used for controlling the DMUB on hardware
284 * that supports it. The pointer to the dmub_srv will be
285 * NULL on hardware that does not support it.
287 struct dmub_srv *dmub_srv;
292 * Notification from DMUB.
295 struct dmub_notification *dmub_notify;
300 * Callback functions to handle notification from DMUB.
303 dmub_notify_interrupt_callback_t dmub_callback[AMDGPU_DMUB_NOTIFICATION_MAX];
306 * @dmub_thread_offload:
308 * Flag to indicate if callback is offload.
311 bool dmub_thread_offload[AMDGPU_DMUB_NOTIFICATION_MAX];
316 * Framebuffer regions for the DMUB.
318 struct dmub_srv_fb_info *dmub_fb_info;
323 * DMUB firmware, required on hardware that has DMUB support.
325 const struct firmware *dmub_fw;
330 * Buffer object for the DMUB.
332 struct amdgpu_bo *dmub_bo;
337 * GPU virtual address for the DMUB buffer object.
339 u64 dmub_bo_gpu_addr;
344 * CPU address for the DMUB buffer object.
346 void *dmub_bo_cpu_addr;
351 * DMCUB firmware version.
353 uint32_t dmcub_fw_version;
358 * The Common Graphics Services device. It provides an interface for
359 * accessing registers.
361 struct cgs_device *cgs_device;
363 struct amdgpu_device *adev;
364 struct drm_device *ddev;
365 u16 display_indexes_num;
370 * In combination with &dm_atomic_state it helps manage
371 * global atomic state that doesn't map cleanly into existing
372 * drm resources, like &dc_context.
374 struct drm_private_obj atomic_obj;
379 * Guards access to DC functions that can issue register write
382 struct mutex dc_lock;
387 * Guards access to audio instance changes.
389 struct mutex audio_lock;
394 * Used to notify ELD changes to sound driver.
396 struct drm_audio_component *audio_component;
401 * True if the audio component has been registered
402 * successfully, false otherwise.
404 bool audio_registered;
407 * @irq_handler_list_low_tab:
409 * Low priority IRQ handler table.
411 * It is a n*m table consisting of n IRQ sources, and m handlers per IRQ
412 * source. Low priority IRQ handlers are deferred to a workqueue to be
413 * processed. Hence, they can sleep.
415 * Note that handlers are called in the same order as they were
418 struct list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER];
421 * @irq_handler_list_high_tab:
423 * High priority IRQ handler table.
425 * It is a n*m table, same as &irq_handler_list_low_tab. However,
426 * handlers in this table are not deferred and are called immediately.
428 struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER];
433 * Page flip IRQ parameters, passed to registered handlers when
436 struct common_irq_params
437 pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1];
442 * Vertical blanking IRQ parameters, passed to registered handlers when
445 struct common_irq_params
446 vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1];
451 * OTG vertical interrupt0 IRQ parameters, passed to registered
452 * handlers when triggered.
454 struct common_irq_params
455 vline0_params[DC_IRQ_SOURCE_DC6_VLINE0 - DC_IRQ_SOURCE_DC1_VLINE0 + 1];
460 * Vertical update IRQ parameters, passed to registered handlers when
463 struct common_irq_params
464 vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1];
467 * @dmub_trace_params:
469 * DMUB trace event IRQ parameters, passed to registered handlers when
472 struct common_irq_params
473 dmub_trace_params[1];
475 struct common_irq_params
476 dmub_outbox_params[1];
478 spinlock_t irq_handler_list_table_lock;
480 struct backlight_device *backlight_dev[AMDGPU_DM_MAX_NUM_EDP];
482 const struct dc_link *backlight_link[AMDGPU_DM_MAX_NUM_EDP];
486 struct amdgpu_dm_backlight_caps backlight_caps[AMDGPU_DM_MAX_NUM_EDP];
488 struct mod_freesync *freesync_module;
489 struct hdcp_workqueue *hdcp_workqueue;
492 * @vblank_control_workqueue:
494 * Deferred work for vblank control events.
496 struct workqueue_struct *vblank_control_workqueue;
497 struct idle_workqueue *idle_workqueue;
499 struct drm_atomic_state *cached_state;
500 struct dc_state *cached_dc_state;
502 struct dm_compressor_info compressor;
504 const struct firmware *fw_dmcu;
505 uint32_t dmcu_fw_version;
509 * gpu_info FW provided soc bounding box struct or 0 if not
512 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
515 * @active_vblank_irq_count:
517 * number of currently active vblank irqs
519 uint32_t active_vblank_irq_count;
521 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
523 * @secure_display_ctxs:
525 * Store the ROI information and the work_struct to command dmub and psp for
528 struct secure_display_context *secure_display_ctxs;
531 * @hpd_rx_offload_wq:
533 * Work queue to offload works of hpd_rx_irq
535 struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq;
539 * fake encoders used for DP MST.
541 struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC];
542 bool force_timing_sync;
543 bool disable_hpd_irq;
544 bool dmcub_trace_event_en;
548 * DAL fb memory allocation list, for communication with SMU.
550 struct list_head da_list;
551 struct completion dmub_aux_transfer_done;
552 struct workqueue_struct *delayed_hpd_wq;
557 * cached backlight values.
559 u32 brightness[AMDGPU_DM_MAX_NUM_EDP];
561 * @actual_brightness:
563 * last successfully applied backlight values.
565 u32 actual_brightness[AMDGPU_DM_MAX_NUM_EDP];
568 * @aux_hpd_discon_quirk:
570 * quirk for hpd discon while aux is on-going.
571 * occurred on certain intel platform
573 bool aux_hpd_discon_quirk;
578 * Guards access to DPIA AUX
580 struct mutex dpia_aux_lock;
583 * Bounding box data read from dmub during early initialization for DCN4+
585 struct dml2_soc_bb *bb_from_dmub;
588 enum dsc_clock_force_state {
589 DSC_CLK_FORCE_DEFAULT = 0,
590 DSC_CLK_FORCE_ENABLE,
591 DSC_CLK_FORCE_DISABLE,
594 struct dsc_preferred_settings {
595 enum dsc_clock_force_state dsc_force_enable;
596 uint32_t dsc_num_slices_v;
597 uint32_t dsc_num_slices_h;
598 uint32_t dsc_bits_per_pixel;
599 bool dsc_force_disable_passthrough;
602 enum mst_progress_status {
603 MST_STATUS_DEFAULT = 0,
605 MST_REMOTE_EDID = BIT(1),
606 MST_ALLOCATE_NEW_PAYLOAD = BIT(2),
607 MST_CLEAR_ALLOCATED_PAYLOAD = BIT(3),
611 * struct amdgpu_hdmi_vsdb_info - Keep track of the VSDB info
613 * AMDGPU supports FreeSync over HDMI by using the VSDB section, and this
614 * struct is useful to keep track of the display-specific information about
617 struct amdgpu_hdmi_vsdb_info {
619 * @amd_vsdb_version: Vendor Specific Data Block Version, should be
620 * used to determine which Vendor Specific InfoFrame (VSIF) to send.
622 unsigned int amd_vsdb_version;
625 * @freesync_supported: FreeSync Supported.
627 bool freesync_supported;
630 * @min_refresh_rate_hz: FreeSync Minimum Refresh Rate in Hz.
632 unsigned int min_refresh_rate_hz;
635 * @max_refresh_rate_hz: FreeSync Maximum Refresh Rate in Hz
637 unsigned int max_refresh_rate_hz;
640 * @replay_mode: Replay supported
645 struct amdgpu_dm_connector {
647 struct drm_connector base;
648 uint32_t connector_id;
651 /* we need to mind the EDID between detect
652 and get modes due to analog/digital/tvencoder */
655 /* shared with amdgpu */
656 struct amdgpu_hpd hpd;
658 /* number of modes generated from EDID at 'dc_sink' */
661 /* The 'old' sink - before an HPD.
662 * The 'current' sink is in dc_link->sink. */
663 struct dc_sink *dc_sink;
664 struct dc_link *dc_link;
667 * @dc_em_sink: Reference to the emulated (virtual) sink.
669 struct dc_sink *dc_em_sink;
672 struct drm_dp_mst_topology_mgr mst_mgr;
673 struct amdgpu_dm_dp_aux dm_dp_aux;
674 struct drm_dp_mst_port *mst_output_port;
675 struct amdgpu_dm_connector *mst_root;
676 struct drm_dp_aux *dsc_aux;
677 struct mutex handle_mst_msg_ready;
679 /* TODO see if we can merge with ddc_bus or make a dm_connector */
680 struct amdgpu_i2c_adapter *i2c;
682 /* Monitor range limits */
684 * @min_vfreq: Minimal frequency supported by the display in Hz. This
685 * value is set to zero when there is no FreeSync support.
690 * @max_vfreq: Maximum frequency supported by the display in Hz. This
691 * value is set to zero when there is no FreeSync support.
695 /* Audio instance - protected by audio_lock. */
698 struct mutex hpd_lock;
701 bool force_yuv420_output;
702 struct dsc_preferred_settings dsc_settings;
703 union dp_downstream_port_present mst_downstream_port_present;
704 /* Cached display modes */
705 struct drm_display_mode freesync_vid_base;
708 bool disallow_edp_enter_psr;
710 /* Record progress status of mst*/
713 /* Automated testing */
715 struct dc_crtc_timing *timing_requested;
719 enum adaptive_sync_type as_type;
720 struct amdgpu_hdmi_vsdb_info vsdb_info;
723 static inline void amdgpu_dm_set_mst_status(uint8_t *status,
724 uint8_t flags, bool set)
732 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base)
734 struct amdgpu_dm_wb_connector {
735 struct drm_writeback_connector base;
736 struct dc_link *link;
739 #define to_amdgpu_dm_wb_connector(x) container_of(x, struct amdgpu_dm_wb_connector, base)
741 extern const struct amdgpu_ip_block_version dm_ip_block;
743 /* enum amdgpu_transfer_function: pre-defined transfer function supported by AMD.
745 * It includes standardized transfer functions and pure power functions. The
746 * transfer function coefficients are available at modules/color/color_gamma.c
748 enum amdgpu_transfer_function {
749 AMDGPU_TRANSFER_FUNCTION_DEFAULT,
750 AMDGPU_TRANSFER_FUNCTION_SRGB_EOTF,
751 AMDGPU_TRANSFER_FUNCTION_BT709_INV_OETF,
752 AMDGPU_TRANSFER_FUNCTION_PQ_EOTF,
753 AMDGPU_TRANSFER_FUNCTION_IDENTITY,
754 AMDGPU_TRANSFER_FUNCTION_GAMMA22_EOTF,
755 AMDGPU_TRANSFER_FUNCTION_GAMMA24_EOTF,
756 AMDGPU_TRANSFER_FUNCTION_GAMMA26_EOTF,
757 AMDGPU_TRANSFER_FUNCTION_SRGB_INV_EOTF,
758 AMDGPU_TRANSFER_FUNCTION_BT709_OETF,
759 AMDGPU_TRANSFER_FUNCTION_PQ_INV_EOTF,
760 AMDGPU_TRANSFER_FUNCTION_GAMMA22_INV_EOTF,
761 AMDGPU_TRANSFER_FUNCTION_GAMMA24_INV_EOTF,
762 AMDGPU_TRANSFER_FUNCTION_GAMMA26_INV_EOTF,
763 AMDGPU_TRANSFER_FUNCTION_COUNT
766 struct dm_plane_state {
767 struct drm_plane_state base;
768 struct dc_plane_state *dc_state;
770 /* Plane color mgmt */
774 * 1D LUT for mapping framebuffer/plane pixel data before sampling or
775 * blending operations. It's usually applied to linearize input space.
776 * The blob (if not NULL) is an array of &struct drm_color_lut.
778 struct drm_property_blob *degamma_lut;
782 * Predefined transfer function to tell DC driver the input space to
785 enum amdgpu_transfer_function degamma_tf;
789 * Multiplier to 'gain' the plane. When PQ is decoded using the fixed
790 * func transfer function to the internal FP16 fb, 1.0 -> 80 nits (on
791 * AMD at least). When sRGB is decoded, 1.0 -> 1.0, obviously.
792 * Therefore, 1.0 multiplier = 80 nits for SDR content. So if you
793 * want, 203 nits for SDR content, pass in (203.0 / 80.0). Format is
794 * S31.32 sign-magnitude.
796 * HDR multiplier can wide range beyond [0.0, 1.0]. This means that PQ
797 * TF is needed for any subsequent linear-to-non-linear transforms.
803 * Color transformation matrix. The blob (if not NULL) is a &struct
806 struct drm_property_blob *ctm;
808 * @shaper_lut: shaper lookup table blob. The blob (if not NULL) is an
809 * array of &struct drm_color_lut.
811 struct drm_property_blob *shaper_lut;
815 * Predefined transfer function to delinearize color space.
817 enum amdgpu_transfer_function shaper_tf;
819 * @lut3d: 3D lookup table blob. The blob (if not NULL) is an array of
820 * &struct drm_color_lut.
822 struct drm_property_blob *lut3d;
824 * @blend_lut: blend lut lookup table blob. The blob (if not NULL) is an
825 * array of &struct drm_color_lut.
827 struct drm_property_blob *blend_lut;
831 * Pre-defined transfer function for converting plane pixel data before
832 * applying blend LUT.
834 enum amdgpu_transfer_function blend_tf;
837 struct dm_crtc_state {
838 struct drm_crtc_state base;
839 struct dc_stream_state *stream;
842 bool cm_is_degamma_srgb;
851 bool freesync_vrr_info_changed;
853 bool dsc_force_changed;
855 struct mod_freesync_config freesync_config;
856 struct dc_info_packet vrr_infopacket;
863 * Pre-defined transfer function for converting internal FB -> wire
866 enum amdgpu_transfer_function regamma_tf;
869 #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
871 struct dm_atomic_state {
872 struct drm_private_state base;
874 struct dc_state *context;
877 #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base)
879 struct dm_connector_state {
880 struct drm_connector_state base;
882 enum amdgpu_rmx_type scaling;
883 uint8_t underscan_vborder;
884 uint8_t underscan_hborder;
885 bool underscan_enable;
886 bool freesync_capable;
893 #define to_dm_connector_state(x)\
894 container_of((x), struct dm_connector_state, base)
896 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector);
897 struct drm_connector_state *
898 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector);
899 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
900 struct drm_connector_state *state,
901 struct drm_property *property,
904 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
905 const struct drm_connector_state *state,
906 struct drm_property *property,
909 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev);
911 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
912 struct amdgpu_dm_connector *aconnector,
914 struct dc_link *link,
917 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
918 struct drm_display_mode *mode);
920 void dm_restore_drm_connector_state(struct drm_device *dev,
921 struct drm_connector *connector);
923 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
926 void amdgpu_dm_trigger_timing_sync(struct drm_device *dev);
928 /* 3D LUT max size is 17x17x17 (4913 entries) */
929 #define MAX_COLOR_3DLUT_SIZE 17
930 #define MAX_COLOR_3DLUT_BITDEPTH 12
931 int amdgpu_dm_verify_lut3d_size(struct amdgpu_device *adev,
932 struct drm_plane_state *plane_state);
934 #define MAX_COLOR_LUT_ENTRIES 4096
935 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */
936 #define MAX_COLOR_LEGACY_LUT_ENTRIES 256
938 void amdgpu_dm_init_color_mod(void);
939 int amdgpu_dm_create_color_properties(struct amdgpu_device *adev);
940 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
941 int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
942 int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
943 struct drm_plane_state *plane_state,
944 struct dc_plane_state *dc_plane_state);
946 void amdgpu_dm_update_connector_after_detect(
947 struct amdgpu_dm_connector *aconnector);
949 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs;
951 int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int link_index,
952 struct aux_payload *payload, enum aux_return_code_type *operation_result);
954 int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int link_index,
955 struct set_config_cmd_payload *payload, enum set_config_status *operation_result);
957 struct dc_stream_state *
958 create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
959 const struct drm_display_mode *drm_mode,
960 const struct dm_connector_state *dm_state,
961 const struct dc_stream_state *old_stream);
963 int dm_atomic_get_state(struct drm_atomic_state *state,
964 struct dm_atomic_state **dm_state);
966 struct drm_connector *
967 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state,
968 struct drm_crtc *crtc);
970 int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth);
971 struct idle_workqueue *idle_create_workqueue(struct amdgpu_device *adev);
973 void *dm_allocate_gpu_mem(struct amdgpu_device *adev,
974 enum dc_gpu_mem_alloc_type type,
977 #endif /* __AMDGPU_DM_H__ */