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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 6
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;
141 * struct idle_workqueue - Work data for periodic action in idle
142 * @work: Kernel work data for the work event
143 * @dm: amdgpu display manager device
144 * @enable: true if idle worker is enabled
145 * @running: true if idle worker is running
147 struct idle_workqueue {
148 struct work_struct work;
149 struct amdgpu_display_manager *dm;
155 * struct amdgpu_dm_backlight_caps - Information about backlight
157 * Describe the backlight support for ACPI or eDP AUX.
159 struct amdgpu_dm_backlight_caps {
161 * @ext_caps: Keep the data struct with all the information about the
162 * display support for HDR.
164 union dpcd_sink_ext_caps *ext_caps;
166 * @aux_min_input_signal: Min brightness value supported by the display
168 u32 aux_min_input_signal;
170 * @aux_max_input_signal: Max brightness value supported by the display
173 u32 aux_max_input_signal;
175 * @min_input_signal: minimum possible input in range 0-255.
177 int min_input_signal;
179 * @max_input_signal: maximum possible input in range 0-255.
181 int max_input_signal;
183 * @caps_valid: true if these values are from the ACPI interface.
187 * @aux_support: Describes if the display supports AUX backlight.
191 * @ac_level: the default brightness if booted on AC
195 * @dc_level: the default brightness if booted on DC
201 * struct dal_allocation - Tracks mapped FB memory for SMU communication
202 * @list: list of dal allocations
203 * @bo: GPU buffer object
204 * @cpu_ptr: CPU virtual address of the GPU buffer object
205 * @gpu_addr: GPU virtual address of the GPU buffer object
207 struct dal_allocation {
208 struct list_head list;
209 struct amdgpu_bo *bo;
215 * struct hpd_rx_irq_offload_work_queue - Work queue to handle hpd_rx_irq
218 struct hpd_rx_irq_offload_work_queue {
220 * @wq: workqueue structure to queue offload work.
222 struct workqueue_struct *wq;
224 * @offload_lock: To protect fields of offload work queue.
226 spinlock_t offload_lock;
228 * @is_handling_link_loss: Used to prevent inserting link loss event when
229 * we're handling link loss
231 bool is_handling_link_loss;
233 * @is_handling_mst_msg_rdy_event: Used to prevent inserting mst message
234 * ready event when we're already handling mst message ready event
236 bool is_handling_mst_msg_rdy_event;
238 * @aconnector: The aconnector that this work queue is attached to
240 struct amdgpu_dm_connector *aconnector;
244 * struct hpd_rx_irq_offload_work - hpd_rx_irq offload work structure
246 struct hpd_rx_irq_offload_work {
248 * @work: offload work
250 struct work_struct work;
252 * @data: reference irq data which is used while handling offload work
254 union hpd_irq_data data;
256 * @offload_wq: offload work queue that this work is queued to
258 struct hpd_rx_irq_offload_work_queue *offload_wq;
262 * struct amdgpu_display_manager - Central amdgpu display manager device
264 * @dc: Display Core control structure
265 * @adev: AMDGPU base driver structure
266 * @ddev: DRM base driver structure
267 * @display_indexes_num: Max number of display streams supported
268 * @irq_handler_list_table_lock: Synchronizes access to IRQ tables
269 * @backlight_dev: Backlight control device
270 * @backlight_link: Link on which to control backlight
271 * @backlight_caps: Capabilities of the backlight device
272 * @freesync_module: Module handling freesync calculations
273 * @hdcp_workqueue: AMDGPU content protection queue
274 * @fw_dmcu: Reference to DMCU firmware
275 * @dmcu_fw_version: Version of the DMCU firmware
276 * @soc_bounding_box: SOC bounding box values provided by gpu_info FW
277 * @cached_state: Caches device atomic state for suspend/resume
278 * @cached_dc_state: Cached state of content streams
279 * @compressor: Frame buffer compression buffer. See &struct dm_compressor_info
280 * @force_timing_sync: set via debugfs. When set, indicates that all connected
281 * displays will be forced to synchronize.
282 * @dmcub_trace_event_en: enable dmcub trace events
283 * @dmub_outbox_params: DMUB Outbox parameters
284 * @num_of_edps: number of backlight eDPs
285 * @disable_hpd_irq: disables all HPD and HPD RX interrupt handling in the
287 * @dmub_aux_transfer_done: struct completion used to indicate when DMUB
289 * @delayed_hpd_wq: work queue used to delay DMUB HPD work
291 struct amdgpu_display_manager {
298 * DMUB service, used for controlling the DMUB on hardware
299 * that supports it. The pointer to the dmub_srv will be
300 * NULL on hardware that does not support it.
302 struct dmub_srv *dmub_srv;
307 * Notification from DMUB.
310 struct dmub_notification *dmub_notify;
315 * Callback functions to handle notification from DMUB.
318 dmub_notify_interrupt_callback_t dmub_callback[AMDGPU_DMUB_NOTIFICATION_MAX];
321 * @dmub_thread_offload:
323 * Flag to indicate if callback is offload.
326 bool dmub_thread_offload[AMDGPU_DMUB_NOTIFICATION_MAX];
331 * Framebuffer regions for the DMUB.
333 struct dmub_srv_fb_info *dmub_fb_info;
338 * DMUB firmware, required on hardware that has DMUB support.
340 const struct firmware *dmub_fw;
345 * Buffer object for the DMUB.
347 struct amdgpu_bo *dmub_bo;
352 * GPU virtual address for the DMUB buffer object.
354 u64 dmub_bo_gpu_addr;
359 * CPU address for the DMUB buffer object.
361 void *dmub_bo_cpu_addr;
366 * DMCUB firmware version.
368 uint32_t dmcub_fw_version;
373 * The Common Graphics Services device. It provides an interface for
374 * accessing registers.
376 struct cgs_device *cgs_device;
378 struct amdgpu_device *adev;
379 struct drm_device *ddev;
380 u16 display_indexes_num;
385 * In combination with &dm_atomic_state it helps manage
386 * global atomic state that doesn't map cleanly into existing
387 * drm resources, like &dc_context.
389 struct drm_private_obj atomic_obj;
394 * Guards access to DC functions that can issue register write
397 struct mutex dc_lock;
402 * Guards access to audio instance changes.
404 struct mutex audio_lock;
409 * Used to notify ELD changes to sound driver.
411 struct drm_audio_component *audio_component;
416 * True if the audio component has been registered
417 * successfully, false otherwise.
419 bool audio_registered;
422 * @irq_handler_list_low_tab:
424 * Low priority IRQ handler table.
426 * It is a n*m table consisting of n IRQ sources, and m handlers per IRQ
427 * source. Low priority IRQ handlers are deferred to a workqueue to be
428 * processed. Hence, they can sleep.
430 * Note that handlers are called in the same order as they were
433 struct list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER];
436 * @irq_handler_list_high_tab:
438 * High priority IRQ handler table.
440 * It is a n*m table, same as &irq_handler_list_low_tab. However,
441 * handlers in this table are not deferred and are called immediately.
443 struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER];
448 * Page flip IRQ parameters, passed to registered handlers when
451 struct common_irq_params
452 pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1];
457 * Vertical blanking IRQ parameters, passed to registered handlers when
460 struct common_irq_params
461 vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1];
466 * OTG vertical interrupt0 IRQ parameters, passed to registered
467 * handlers when triggered.
469 struct common_irq_params
470 vline0_params[DC_IRQ_SOURCE_DC6_VLINE0 - DC_IRQ_SOURCE_DC1_VLINE0 + 1];
475 * Vertical update IRQ parameters, passed to registered handlers when
478 struct common_irq_params
479 vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1];
482 * @dmub_trace_params:
484 * DMUB trace event IRQ parameters, passed to registered handlers when
487 struct common_irq_params
488 dmub_trace_params[1];
490 struct common_irq_params
491 dmub_outbox_params[1];
493 spinlock_t irq_handler_list_table_lock;
495 struct backlight_device *backlight_dev[AMDGPU_DM_MAX_NUM_EDP];
497 const struct dc_link *backlight_link[AMDGPU_DM_MAX_NUM_EDP];
501 struct amdgpu_dm_backlight_caps backlight_caps[AMDGPU_DM_MAX_NUM_EDP];
503 struct mod_freesync *freesync_module;
504 struct hdcp_workqueue *hdcp_workqueue;
507 * @vblank_control_workqueue:
509 * Deferred work for vblank control events.
511 struct workqueue_struct *vblank_control_workqueue;
516 * Periodic work for idle events.
518 struct idle_workqueue *idle_workqueue;
520 struct drm_atomic_state *cached_state;
521 struct dc_state *cached_dc_state;
523 struct dm_compressor_info compressor;
525 const struct firmware *fw_dmcu;
526 uint32_t dmcu_fw_version;
530 * gpu_info FW provided soc bounding box struct or 0 if not
533 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
536 * @active_vblank_irq_count:
538 * number of currently active vblank irqs
540 uint32_t active_vblank_irq_count;
542 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
544 * @secure_display_ctxs:
546 * Store the ROI information and the work_struct to command dmub and psp for
549 struct secure_display_context *secure_display_ctxs;
552 * @hpd_rx_offload_wq:
554 * Work queue to offload works of hpd_rx_irq
556 struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq;
560 * fake encoders used for DP MST.
562 struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC];
563 bool force_timing_sync;
564 bool disable_hpd_irq;
565 bool dmcub_trace_event_en;
569 * DAL fb memory allocation list, for communication with SMU.
571 struct list_head da_list;
572 struct completion dmub_aux_transfer_done;
573 struct workqueue_struct *delayed_hpd_wq;
578 * cached backlight values.
580 u32 brightness[AMDGPU_DM_MAX_NUM_EDP];
582 * @actual_brightness:
584 * last successfully applied backlight values.
586 u32 actual_brightness[AMDGPU_DM_MAX_NUM_EDP];
589 * @aux_hpd_discon_quirk:
591 * quirk for hpd discon while aux is on-going.
592 * occurred on certain intel platform
594 bool aux_hpd_discon_quirk;
599 * Guards access to DPIA AUX
601 struct mutex dpia_aux_lock;
606 * Bounding box data read from dmub during early initialization for DCN4+
608 struct dml2_soc_bb *bb_from_dmub;
611 enum dsc_clock_force_state {
612 DSC_CLK_FORCE_DEFAULT = 0,
613 DSC_CLK_FORCE_ENABLE,
614 DSC_CLK_FORCE_DISABLE,
617 struct dsc_preferred_settings {
618 enum dsc_clock_force_state dsc_force_enable;
619 uint32_t dsc_num_slices_v;
620 uint32_t dsc_num_slices_h;
621 uint32_t dsc_bits_per_pixel;
622 bool dsc_force_disable_passthrough;
625 enum mst_progress_status {
626 MST_STATUS_DEFAULT = 0,
628 MST_REMOTE_EDID = BIT(1),
629 MST_ALLOCATE_NEW_PAYLOAD = BIT(2),
630 MST_CLEAR_ALLOCATED_PAYLOAD = BIT(3),
634 * struct amdgpu_hdmi_vsdb_info - Keep track of the VSDB info
636 * AMDGPU supports FreeSync over HDMI by using the VSDB section, and this
637 * struct is useful to keep track of the display-specific information about
640 struct amdgpu_hdmi_vsdb_info {
642 * @amd_vsdb_version: Vendor Specific Data Block Version, should be
643 * used to determine which Vendor Specific InfoFrame (VSIF) to send.
645 unsigned int amd_vsdb_version;
648 * @freesync_supported: FreeSync Supported.
650 bool freesync_supported;
653 * @min_refresh_rate_hz: FreeSync Minimum Refresh Rate in Hz.
655 unsigned int min_refresh_rate_hz;
658 * @max_refresh_rate_hz: FreeSync Maximum Refresh Rate in Hz
660 unsigned int max_refresh_rate_hz;
663 * @replay_mode: Replay supported
668 struct amdgpu_dm_connector {
670 struct drm_connector base;
671 uint32_t connector_id;
674 /* we need to mind the EDID between detect
675 and get modes due to analog/digital/tvencoder */
678 /* shared with amdgpu */
679 struct amdgpu_hpd hpd;
681 /* number of modes generated from EDID at 'dc_sink' */
684 /* The 'old' sink - before an HPD.
685 * The 'current' sink is in dc_link->sink. */
686 struct dc_sink *dc_sink;
687 struct dc_link *dc_link;
690 * @dc_em_sink: Reference to the emulated (virtual) sink.
692 struct dc_sink *dc_em_sink;
695 struct drm_dp_mst_topology_mgr mst_mgr;
696 struct amdgpu_dm_dp_aux dm_dp_aux;
697 struct drm_dp_mst_port *mst_output_port;
698 struct amdgpu_dm_connector *mst_root;
699 struct drm_dp_aux *dsc_aux;
700 struct mutex handle_mst_msg_ready;
702 /* TODO see if we can merge with ddc_bus or make a dm_connector */
703 struct amdgpu_i2c_adapter *i2c;
705 /* Monitor range limits */
707 * @min_vfreq: Minimal frequency supported by the display in Hz. This
708 * value is set to zero when there is no FreeSync support.
713 * @max_vfreq: Maximum frequency supported by the display in Hz. This
714 * value is set to zero when there is no FreeSync support.
718 /* Audio instance - protected by audio_lock. */
721 struct mutex hpd_lock;
724 bool force_yuv420_output;
725 struct dsc_preferred_settings dsc_settings;
726 union dp_downstream_port_present mst_downstream_port_present;
727 /* Cached display modes */
728 struct drm_display_mode freesync_vid_base;
731 bool disallow_edp_enter_psr;
733 /* Record progress status of mst*/
736 /* Automated testing */
738 struct dc_crtc_timing *timing_requested;
742 enum adaptive_sync_type as_type;
743 struct amdgpu_hdmi_vsdb_info vsdb_info;
746 static inline void amdgpu_dm_set_mst_status(uint8_t *status,
747 uint8_t flags, bool set)
755 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base)
757 struct amdgpu_dm_wb_connector {
758 struct drm_writeback_connector base;
759 struct dc_link *link;
762 #define to_amdgpu_dm_wb_connector(x) container_of(x, struct amdgpu_dm_wb_connector, base)
764 extern const struct amdgpu_ip_block_version dm_ip_block;
766 /* enum amdgpu_transfer_function: pre-defined transfer function supported by AMD.
768 * It includes standardized transfer functions and pure power functions. The
769 * transfer function coefficients are available at modules/color/color_gamma.c
771 enum amdgpu_transfer_function {
772 AMDGPU_TRANSFER_FUNCTION_DEFAULT,
773 AMDGPU_TRANSFER_FUNCTION_SRGB_EOTF,
774 AMDGPU_TRANSFER_FUNCTION_BT709_INV_OETF,
775 AMDGPU_TRANSFER_FUNCTION_PQ_EOTF,
776 AMDGPU_TRANSFER_FUNCTION_IDENTITY,
777 AMDGPU_TRANSFER_FUNCTION_GAMMA22_EOTF,
778 AMDGPU_TRANSFER_FUNCTION_GAMMA24_EOTF,
779 AMDGPU_TRANSFER_FUNCTION_GAMMA26_EOTF,
780 AMDGPU_TRANSFER_FUNCTION_SRGB_INV_EOTF,
781 AMDGPU_TRANSFER_FUNCTION_BT709_OETF,
782 AMDGPU_TRANSFER_FUNCTION_PQ_INV_EOTF,
783 AMDGPU_TRANSFER_FUNCTION_GAMMA22_INV_EOTF,
784 AMDGPU_TRANSFER_FUNCTION_GAMMA24_INV_EOTF,
785 AMDGPU_TRANSFER_FUNCTION_GAMMA26_INV_EOTF,
786 AMDGPU_TRANSFER_FUNCTION_COUNT
789 struct dm_plane_state {
790 struct drm_plane_state base;
791 struct dc_plane_state *dc_state;
793 /* Plane color mgmt */
797 * 1D LUT for mapping framebuffer/plane pixel data before sampling or
798 * blending operations. It's usually applied to linearize input space.
799 * The blob (if not NULL) is an array of &struct drm_color_lut.
801 struct drm_property_blob *degamma_lut;
805 * Predefined transfer function to tell DC driver the input space to
808 enum amdgpu_transfer_function degamma_tf;
812 * Multiplier to 'gain' the plane. When PQ is decoded using the fixed
813 * func transfer function to the internal FP16 fb, 1.0 -> 80 nits (on
814 * AMD at least). When sRGB is decoded, 1.0 -> 1.0, obviously.
815 * Therefore, 1.0 multiplier = 80 nits for SDR content. So if you
816 * want, 203 nits for SDR content, pass in (203.0 / 80.0). Format is
817 * S31.32 sign-magnitude.
819 * HDR multiplier can wide range beyond [0.0, 1.0]. This means that PQ
820 * TF is needed for any subsequent linear-to-non-linear transforms.
826 * Color transformation matrix. The blob (if not NULL) is a &struct
829 struct drm_property_blob *ctm;
831 * @shaper_lut: shaper lookup table blob. The blob (if not NULL) is an
832 * array of &struct drm_color_lut.
834 struct drm_property_blob *shaper_lut;
838 * Predefined transfer function to delinearize color space.
840 enum amdgpu_transfer_function shaper_tf;
842 * @lut3d: 3D lookup table blob. The blob (if not NULL) is an array of
843 * &struct drm_color_lut.
845 struct drm_property_blob *lut3d;
847 * @blend_lut: blend lut lookup table blob. The blob (if not NULL) is an
848 * array of &struct drm_color_lut.
850 struct drm_property_blob *blend_lut;
854 * Pre-defined transfer function for converting plane pixel data before
855 * applying blend LUT.
857 enum amdgpu_transfer_function blend_tf;
860 enum amdgpu_dm_cursor_mode {
861 DM_CURSOR_NATIVE_MODE = 0,
862 DM_CURSOR_OVERLAY_MODE,
865 struct dm_crtc_state {
866 struct drm_crtc_state base;
867 struct dc_stream_state *stream;
870 bool cm_is_degamma_srgb;
879 bool freesync_vrr_info_changed;
881 bool dsc_force_changed;
883 struct mod_freesync_config freesync_config;
884 struct dc_info_packet vrr_infopacket;
891 * Pre-defined transfer function for converting internal FB -> wire
894 enum amdgpu_transfer_function regamma_tf;
896 enum amdgpu_dm_cursor_mode cursor_mode;
899 #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
901 struct dm_atomic_state {
902 struct drm_private_state base;
904 struct dc_state *context;
907 #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base)
909 struct dm_connector_state {
910 struct drm_connector_state base;
912 enum amdgpu_rmx_type scaling;
913 uint8_t underscan_vborder;
914 uint8_t underscan_hborder;
915 bool underscan_enable;
916 bool freesync_capable;
923 #define to_dm_connector_state(x)\
924 container_of((x), struct dm_connector_state, base)
926 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector);
927 struct drm_connector_state *
928 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector);
929 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
930 struct drm_connector_state *state,
931 struct drm_property *property,
934 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
935 const struct drm_connector_state *state,
936 struct drm_property *property,
939 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev);
941 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
942 struct amdgpu_dm_connector *aconnector,
944 struct dc_link *link,
947 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
948 struct drm_display_mode *mode);
950 void dm_restore_drm_connector_state(struct drm_device *dev,
951 struct drm_connector *connector);
953 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
956 void amdgpu_dm_trigger_timing_sync(struct drm_device *dev);
958 /* 3D LUT max size is 17x17x17 (4913 entries) */
959 #define MAX_COLOR_3DLUT_SIZE 17
960 #define MAX_COLOR_3DLUT_BITDEPTH 12
961 int amdgpu_dm_verify_lut3d_size(struct amdgpu_device *adev,
962 struct drm_plane_state *plane_state);
964 #define MAX_COLOR_LUT_ENTRIES 4096
965 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */
966 #define MAX_COLOR_LEGACY_LUT_ENTRIES 256
968 void amdgpu_dm_init_color_mod(void);
969 int amdgpu_dm_create_color_properties(struct amdgpu_device *adev);
970 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
971 int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
972 int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
973 struct drm_plane_state *plane_state,
974 struct dc_plane_state *dc_plane_state);
976 void amdgpu_dm_update_connector_after_detect(
977 struct amdgpu_dm_connector *aconnector);
979 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs;
981 int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int link_index,
982 struct aux_payload *payload, enum aux_return_code_type *operation_result);
984 int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int link_index,
985 struct set_config_cmd_payload *payload, enum set_config_status *operation_result);
987 struct dc_stream_state *
988 create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
989 const struct drm_display_mode *drm_mode,
990 const struct dm_connector_state *dm_state,
991 const struct dc_stream_state *old_stream);
993 int dm_atomic_get_state(struct drm_atomic_state *state,
994 struct dm_atomic_state **dm_state);
996 struct drm_connector *
997 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state,
998 struct drm_crtc *crtc);
1000 int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth);
1001 struct idle_workqueue *idle_create_workqueue(struct amdgpu_device *adev);
1003 void *dm_allocate_gpu_mem(struct amdgpu_device *adev,
1004 enum dc_gpu_mem_alloc_type type,
1008 bool amdgpu_dm_is_headless(struct amdgpu_device *adev);
1010 #endif /* __AMDGPU_DM_H__ */