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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"
37 * This file contains the definition for amdgpu_display_manager
38 * and its API for amdgpu driver's use.
39 * This component provides all the display related functionality
40 * and this is the only component that calls DAL API.
41 * The API contained here intended for amdgpu driver use.
42 * The API that is called directly from KMS framework is located
43 * in amdgpu_dm_kms.h file
46 #define AMDGPU_DM_MAX_DISPLAY_INDEX 31
48 #define AMDGPU_DM_MAX_CRTC 6
50 #define AMDGPU_DM_MAX_NUM_EDP 2
52 #define AMDGPU_DMUB_NOTIFICATION_MAX 5
55 #include "include/amdgpu_dal_power_if.h"
56 #include "amdgpu_dm_irq.h"
59 #include "irq_types.h"
60 #include "signal_types.h"
61 #include "amdgpu_dm_crc.h"
62 #include "mod_info_packet.h"
64 struct set_config_cmd_payload;
65 enum aux_return_code_type;
66 enum set_config_status;
68 /* Forward declarations */
75 struct dc_plane_state;
76 struct dmub_notification;
78 struct common_irq_params {
79 struct amdgpu_device *adev;
80 enum dc_irq_source irq_src;
81 atomic64_t previous_timestamp;
85 * struct dm_compressor_info - Buffer info used by frame buffer compression
86 * @cpu_addr: MMIO cpu addr
87 * @bo_ptr: Pointer to the buffer object
88 * @gpu_addr: MMIO gpu addr
90 struct dm_compressor_info {
92 struct amdgpu_bo *bo_ptr;
96 typedef void (*dmub_notify_interrupt_callback_t)(struct amdgpu_device *adev, struct dmub_notification *notify);
99 * struct dmub_hpd_work - Handle time consuming work in low priority outbox IRQ
101 * @handle_hpd_work: Work to be executed in a separate thread to handle hpd_low_irq
102 * @dmub_notify: notification for callback function
103 * @adev: amdgpu_device pointer
105 struct dmub_hpd_work {
106 struct work_struct handle_hpd_work;
107 struct dmub_notification *dmub_notify;
108 struct amdgpu_device *adev;
112 * struct vblank_control_work - Work data for vblank control
113 * @work: Kernel work data for the work event
114 * @dm: amdgpu display manager device
115 * @acrtc: amdgpu CRTC instance for which the event has occurred
116 * @stream: DC stream for which the event has occurred
117 * @enable: true if enabling vblank
119 struct vblank_control_work {
120 struct work_struct work;
121 struct amdgpu_display_manager *dm;
122 struct amdgpu_crtc *acrtc;
123 struct dc_stream_state *stream;
128 * struct amdgpu_dm_backlight_caps - Information about backlight
130 * Describe the backlight support for ACPI or eDP AUX.
132 struct amdgpu_dm_backlight_caps {
134 * @ext_caps: Keep the data struct with all the information about the
135 * display support for HDR.
137 union dpcd_sink_ext_caps *ext_caps;
139 * @aux_min_input_signal: Min brightness value supported by the display
141 u32 aux_min_input_signal;
143 * @aux_max_input_signal: Max brightness value supported by the display
146 u32 aux_max_input_signal;
148 * @min_input_signal: minimum possible input in range 0-255.
150 int min_input_signal;
152 * @max_input_signal: maximum possible input in range 0-255.
154 int max_input_signal;
156 * @caps_valid: true if these values are from the ACPI interface.
160 * @aux_support: Describes if the display supports AUX backlight.
166 * struct dal_allocation - Tracks mapped FB memory for SMU communication
167 * @list: list of dal allocations
168 * @bo: GPU buffer object
169 * @cpu_ptr: CPU virtual address of the GPU buffer object
170 * @gpu_addr: GPU virtual address of the GPU buffer object
172 struct dal_allocation {
173 struct list_head list;
174 struct amdgpu_bo *bo;
180 * struct hpd_rx_irq_offload_work_queue - Work queue to handle hpd_rx_irq
183 struct hpd_rx_irq_offload_work_queue {
185 * @wq: workqueue structure to queue offload work.
187 struct workqueue_struct *wq;
189 * @offload_lock: To protect fields of offload work queue.
191 spinlock_t offload_lock;
193 * @is_handling_link_loss: Used to prevent inserting link loss event when
194 * we're handling link loss
196 bool is_handling_link_loss;
198 * @aconnector: The aconnector that this work queue is attached to
200 struct amdgpu_dm_connector *aconnector;
204 * struct hpd_rx_irq_offload_work - hpd_rx_irq offload work structure
206 struct hpd_rx_irq_offload_work {
208 * @work: offload work
210 struct work_struct work;
212 * @data: reference irq data which is used while handling offload work
214 union hpd_irq_data data;
216 * @offload_wq: offload work queue that this work is queued to
218 struct hpd_rx_irq_offload_work_queue *offload_wq;
222 * struct amdgpu_display_manager - Central amdgpu display manager device
224 * @dc: Display Core control structure
225 * @adev: AMDGPU base driver structure
226 * @ddev: DRM base driver structure
227 * @display_indexes_num: Max number of display streams supported
228 * @irq_handler_list_table_lock: Synchronizes access to IRQ tables
229 * @backlight_dev: Backlight control device
230 * @backlight_link: Link on which to control backlight
231 * @backlight_caps: Capabilities of the backlight device
232 * @freesync_module: Module handling freesync calculations
233 * @hdcp_workqueue: AMDGPU content protection queue
234 * @fw_dmcu: Reference to DMCU firmware
235 * @dmcu_fw_version: Version of the DMCU firmware
236 * @soc_bounding_box: SOC bounding box values provided by gpu_info FW
237 * @cached_state: Caches device atomic state for suspend/resume
238 * @cached_dc_state: Cached state of content streams
239 * @compressor: Frame buffer compression buffer. See &struct dm_compressor_info
240 * @force_timing_sync: set via debugfs. When set, indicates that all connected
241 * displays will be forced to synchronize.
242 * @dmcub_trace_event_en: enable dmcub trace events
243 * @dmub_outbox_params: DMUB Outbox parameters
244 * @num_of_edps: number of backlight eDPs
245 * @disable_hpd_irq: disables all HPD and HPD RX interrupt handling in the
247 * @dmub_aux_transfer_done: struct completion used to indicate when DMUB
249 * @delayed_hpd_wq: work queue used to delay DMUB HPD work
251 struct amdgpu_display_manager {
258 * DMUB service, used for controlling the DMUB on hardware
259 * that supports it. The pointer to the dmub_srv will be
260 * NULL on hardware that does not support it.
262 struct dmub_srv *dmub_srv;
267 * Notification from DMUB.
270 struct dmub_notification *dmub_notify;
275 * Callback functions to handle notification from DMUB.
278 dmub_notify_interrupt_callback_t dmub_callback[AMDGPU_DMUB_NOTIFICATION_MAX];
281 * @dmub_thread_offload:
283 * Flag to indicate if callback is offload.
286 bool dmub_thread_offload[AMDGPU_DMUB_NOTIFICATION_MAX];
291 * Framebuffer regions for the DMUB.
293 struct dmub_srv_fb_info *dmub_fb_info;
298 * DMUB firmware, required on hardware that has DMUB support.
300 const struct firmware *dmub_fw;
305 * Buffer object for the DMUB.
307 struct amdgpu_bo *dmub_bo;
312 * GPU virtual address for the DMUB buffer object.
314 u64 dmub_bo_gpu_addr;
319 * CPU address for the DMUB buffer object.
321 void *dmub_bo_cpu_addr;
326 * DMCUB firmware version.
328 uint32_t dmcub_fw_version;
333 * The Common Graphics Services device. It provides an interface for
334 * accessing registers.
336 struct cgs_device *cgs_device;
338 struct amdgpu_device *adev;
339 struct drm_device *ddev;
340 u16 display_indexes_num;
345 * In combination with &dm_atomic_state it helps manage
346 * global atomic state that doesn't map cleanly into existing
347 * drm resources, like &dc_context.
349 struct drm_private_obj atomic_obj;
354 * Guards access to DC functions that can issue register write
357 struct mutex dc_lock;
362 * Guards access to audio instance changes.
364 struct mutex audio_lock;
369 * Used to notify ELD changes to sound driver.
371 struct drm_audio_component *audio_component;
376 * True if the audio component has been registered
377 * successfully, false otherwise.
379 bool audio_registered;
382 * @irq_handler_list_low_tab:
384 * Low priority IRQ handler table.
386 * It is a n*m table consisting of n IRQ sources, and m handlers per IRQ
387 * source. Low priority IRQ handlers are deferred to a workqueue to be
388 * processed. Hence, they can sleep.
390 * Note that handlers are called in the same order as they were
393 struct list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER];
396 * @irq_handler_list_high_tab:
398 * High priority IRQ handler table.
400 * It is a n*m table, same as &irq_handler_list_low_tab. However,
401 * handlers in this table are not deferred and are called immediately.
403 struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER];
408 * Page flip IRQ parameters, passed to registered handlers when
411 struct common_irq_params
412 pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1];
417 * Vertical blanking IRQ parameters, passed to registered handlers when
420 struct common_irq_params
421 vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1];
426 * OTG vertical interrupt0 IRQ parameters, passed to registered
427 * handlers when triggered.
429 struct common_irq_params
430 vline0_params[DC_IRQ_SOURCE_DC6_VLINE0 - DC_IRQ_SOURCE_DC1_VLINE0 + 1];
435 * Vertical update IRQ parameters, passed to registered handlers when
438 struct common_irq_params
439 vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1];
442 * @dmub_trace_params:
444 * DMUB trace event IRQ parameters, passed to registered handlers when
447 struct common_irq_params
448 dmub_trace_params[1];
450 struct common_irq_params
451 dmub_outbox_params[1];
453 spinlock_t irq_handler_list_table_lock;
455 struct backlight_device *backlight_dev[AMDGPU_DM_MAX_NUM_EDP];
457 const struct dc_link *backlight_link[AMDGPU_DM_MAX_NUM_EDP];
461 struct amdgpu_dm_backlight_caps backlight_caps[AMDGPU_DM_MAX_NUM_EDP];
463 struct mod_freesync *freesync_module;
464 struct hdcp_workqueue *hdcp_workqueue;
467 * @vblank_control_workqueue:
469 * Deferred work for vblank control events.
471 struct workqueue_struct *vblank_control_workqueue;
473 struct drm_atomic_state *cached_state;
474 struct dc_state *cached_dc_state;
476 struct dm_compressor_info compressor;
478 const struct firmware *fw_dmcu;
479 uint32_t dmcu_fw_version;
483 * gpu_info FW provided soc bounding box struct or 0 if not
486 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
489 * @active_vblank_irq_count:
491 * number of currently active vblank irqs
493 uint32_t active_vblank_irq_count;
495 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
497 * @secure_display_ctxs:
499 * Store the ROI information and the work_struct to command dmub and psp for
502 struct secure_display_context *secure_display_ctxs;
505 * @hpd_rx_offload_wq:
507 * Work queue to offload works of hpd_rx_irq
509 struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq;
513 * fake encoders used for DP MST.
515 struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC];
516 bool force_timing_sync;
517 bool disable_hpd_irq;
518 bool dmcub_trace_event_en;
522 * DAL fb memory allocation list, for communication with SMU.
524 struct list_head da_list;
525 struct completion dmub_aux_transfer_done;
526 struct workqueue_struct *delayed_hpd_wq;
531 * cached backlight values.
533 u32 brightness[AMDGPU_DM_MAX_NUM_EDP];
535 * @actual_brightness:
537 * last successfully applied backlight values.
539 u32 actual_brightness[AMDGPU_DM_MAX_NUM_EDP];
542 * @aux_hpd_discon_quirk:
544 * quirk for hpd discon while aux is on-going.
545 * occurred on certain intel platform
547 bool aux_hpd_discon_quirk;
552 * Guards access to DPIA AUX
554 struct mutex dpia_aux_lock;
557 enum dsc_clock_force_state {
558 DSC_CLK_FORCE_DEFAULT = 0,
559 DSC_CLK_FORCE_ENABLE,
560 DSC_CLK_FORCE_DISABLE,
563 struct dsc_preferred_settings {
564 enum dsc_clock_force_state dsc_force_enable;
565 uint32_t dsc_num_slices_v;
566 uint32_t dsc_num_slices_h;
567 uint32_t dsc_bits_per_pixel;
568 bool dsc_force_disable_passthrough;
571 enum mst_progress_status {
572 MST_STATUS_DEFAULT = 0,
574 MST_REMOTE_EDID = BIT(1),
575 MST_ALLOCATE_NEW_PAYLOAD = BIT(2),
576 MST_CLEAR_ALLOCATED_PAYLOAD = BIT(3),
580 * struct amdgpu_hdmi_vsdb_info - Keep track of the VSDB info
582 * AMDGPU supports FreeSync over HDMI by using the VSDB section, and this
583 * struct is useful to keep track of the display-specific information about
586 struct amdgpu_hdmi_vsdb_info {
588 * @amd_vsdb_version: Vendor Specific Data Block Version, should be
589 * used to determine which Vendor Specific InfoFrame (VSIF) to send.
591 unsigned int amd_vsdb_version;
594 * @freesync_supported: FreeSync Supported.
596 bool freesync_supported;
599 * @min_refresh_rate_hz: FreeSync Minimum Refresh Rate in Hz.
601 unsigned int min_refresh_rate_hz;
604 * @max_refresh_rate_hz: FreeSync Maximum Refresh Rate in Hz
606 unsigned int max_refresh_rate_hz;
609 struct amdgpu_dm_connector {
611 struct drm_connector base;
612 uint32_t connector_id;
615 /* we need to mind the EDID between detect
616 and get modes due to analog/digital/tvencoder */
619 /* shared with amdgpu */
620 struct amdgpu_hpd hpd;
622 /* number of modes generated from EDID at 'dc_sink' */
625 /* The 'old' sink - before an HPD.
626 * The 'current' sink is in dc_link->sink. */
627 struct dc_sink *dc_sink;
628 struct dc_link *dc_link;
631 * @dc_em_sink: Reference to the emulated (virtual) sink.
633 struct dc_sink *dc_em_sink;
636 struct drm_dp_mst_topology_mgr mst_mgr;
637 struct amdgpu_dm_dp_aux dm_dp_aux;
638 struct drm_dp_mst_port *mst_output_port;
639 struct amdgpu_dm_connector *mst_root;
640 struct drm_dp_aux *dsc_aux;
641 /* TODO see if we can merge with ddc_bus or make a dm_connector */
642 struct amdgpu_i2c_adapter *i2c;
644 /* Monitor range limits */
646 * @min_vfreq: Minimal frequency supported by the display in Hz. This
647 * value is set to zero when there is no FreeSync support.
652 * @max_vfreq: Maximum frequency supported by the display in Hz. This
653 * value is set to zero when there is no FreeSync support.
658 /* Audio instance - protected by audio_lock. */
661 struct mutex hpd_lock;
664 #ifdef CONFIG_DEBUG_FS
665 uint32_t debugfs_dpcd_address;
666 uint32_t debugfs_dpcd_size;
668 bool force_yuv420_output;
669 struct dsc_preferred_settings dsc_settings;
670 union dp_downstream_port_present mst_downstream_port_present;
671 /* Cached display modes */
672 struct drm_display_mode freesync_vid_base;
676 /* Record progress status of mst*/
679 /* Automated testing */
681 struct dc_crtc_timing *timing_requested;
685 enum adaptive_sync_type as_type;
686 struct amdgpu_hdmi_vsdb_info vsdb_info;
689 static inline void amdgpu_dm_set_mst_status(uint8_t *status,
690 uint8_t flags, bool set)
698 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base)
700 extern const struct amdgpu_ip_block_version dm_ip_block;
702 struct dm_plane_state {
703 struct drm_plane_state base;
704 struct dc_plane_state *dc_state;
707 struct dm_crtc_state {
708 struct drm_crtc_state base;
709 struct dc_stream_state *stream;
712 bool cm_is_degamma_srgb;
721 bool freesync_vrr_info_changed;
723 bool dsc_force_changed;
725 struct mod_freesync_config freesync_config;
726 struct dc_info_packet vrr_infopacket;
731 #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
733 struct dm_atomic_state {
734 struct drm_private_state base;
736 struct dc_state *context;
739 #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base)
741 struct dm_connector_state {
742 struct drm_connector_state base;
744 enum amdgpu_rmx_type scaling;
745 uint8_t underscan_vborder;
746 uint8_t underscan_hborder;
747 bool underscan_enable;
748 bool freesync_capable;
755 #define to_dm_connector_state(x)\
756 container_of((x), struct dm_connector_state, base)
758 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector);
759 struct drm_connector_state *
760 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector);
761 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
762 struct drm_connector_state *state,
763 struct drm_property *property,
766 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
767 const struct drm_connector_state *state,
768 struct drm_property *property,
771 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev);
773 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
774 struct amdgpu_dm_connector *aconnector,
776 struct dc_link *link,
779 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
780 struct drm_display_mode *mode);
782 void dm_restore_drm_connector_state(struct drm_device *dev,
783 struct drm_connector *connector);
785 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
788 void amdgpu_dm_trigger_timing_sync(struct drm_device *dev);
790 #define MAX_COLOR_LUT_ENTRIES 4096
791 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */
792 #define MAX_COLOR_LEGACY_LUT_ENTRIES 256
794 void amdgpu_dm_init_color_mod(void);
795 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
796 int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
797 int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
798 struct dc_plane_state *dc_plane_state);
800 void amdgpu_dm_update_connector_after_detect(
801 struct amdgpu_dm_connector *aconnector);
803 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs;
805 int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int link_index,
806 struct aux_payload *payload, enum aux_return_code_type *operation_result);
808 int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int link_index,
809 struct set_config_cmd_payload *payload, enum set_config_status *operation_result);
811 bool check_seamless_boot_capability(struct amdgpu_device *adev);
813 struct dc_stream_state *
814 create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
815 const struct drm_display_mode *drm_mode,
816 const struct dm_connector_state *dm_state,
817 const struct dc_stream_state *old_stream);
819 int dm_atomic_get_state(struct drm_atomic_state *state,
820 struct dm_atomic_state **dm_state);
822 struct amdgpu_dm_connector *
823 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state,
824 struct drm_crtc *crtc);
826 int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth);
827 #endif /* __AMDGPU_DM_H__ */