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26 #ifndef __AMDGPU_DM_H__
27 #define __AMDGPU_DM_H__
29 #include <drm/drm_atomic.h>
30 #include <drm/drm_connector.h>
31 #include <drm/drm_crtc.h>
32 #include <drm/drm_dp_mst_helper.h>
33 #include <drm/drm_plane.h>
36 * This file contains the definition for amdgpu_display_manager
37 * and its API for amdgpu driver's use.
38 * This component provides all the display related functionality
39 * and this is the only component that calls DAL API.
40 * The API contained here intended for amdgpu driver use.
41 * The API that is called directly from KMS framework is located
42 * in amdgpu_dm_kms.h file
45 #define AMDGPU_DM_MAX_DISPLAY_INDEX 31
47 #define AMDGPU_DM_MAX_CRTC 6
50 #include "include/amdgpu_dal_power_if.h"
51 #include "amdgpu_dm_irq.h"
54 #include "irq_types.h"
55 #include "signal_types.h"
56 #include "amdgpu_dm_crc.h"
58 /* Forward declarations */
64 struct dc_plane_state;
66 struct common_irq_params {
67 struct amdgpu_device *adev;
68 enum dc_irq_source irq_src;
69 atomic64_t previous_timestamp;
73 * struct dm_compressor_info - Buffer info used by frame buffer compression
74 * @cpu_addr: MMIO cpu addr
75 * @bo_ptr: Pointer to the buffer object
76 * @gpu_addr: MMIO gpu addr
78 struct dm_compressor_info {
80 struct amdgpu_bo *bo_ptr;
85 * struct vblank_workqueue - Works to be executed in a separate thread during vblank
86 * @mall_work: work for mall stutter
87 * @dm: amdgpu display manager device
88 * @otg_inst: otg instance of which vblank is being set
89 * @enable: true if enable vblank
91 struct vblank_workqueue {
92 struct work_struct mall_work;
93 struct amdgpu_display_manager *dm;
99 * struct amdgpu_dm_backlight_caps - Information about backlight
101 * Describe the backlight support for ACPI or eDP AUX.
103 struct amdgpu_dm_backlight_caps {
105 * @ext_caps: Keep the data struct with all the information about the
106 * display support for HDR.
108 union dpcd_sink_ext_caps *ext_caps;
110 * @aux_min_input_signal: Min brightness value supported by the display
112 u32 aux_min_input_signal;
114 * @aux_max_input_signal: Max brightness value supported by the display
117 u32 aux_max_input_signal;
119 * @min_input_signal: minimum possible input in range 0-255.
121 int min_input_signal;
123 * @max_input_signal: maximum possible input in range 0-255.
125 int max_input_signal;
127 * @caps_valid: true if these values are from the ACPI interface.
131 * @aux_support: Describes if the display supports AUX backlight.
137 * struct dal_allocation - Tracks mapped FB memory for SMU communication
139 struct dal_allocation {
140 struct list_head list;
141 struct amdgpu_bo *bo;
147 * struct amdgpu_display_manager - Central amdgpu display manager device
149 * @dc: Display Core control structure
150 * @adev: AMDGPU base driver structure
151 * @ddev: DRM base driver structure
152 * @display_indexes_num: Max number of display streams supported
153 * @irq_handler_list_table_lock: Synchronizes access to IRQ tables
154 * @backlight_dev: Backlight control device
155 * @backlight_link: Link on which to control backlight
156 * @backlight_caps: Capabilities of the backlight device
157 * @freesync_module: Module handling freesync calculations
158 * @hdcp_workqueue: AMDGPU content protection queue
159 * @fw_dmcu: Reference to DMCU firmware
160 * @dmcu_fw_version: Version of the DMCU firmware
161 * @soc_bounding_box: SOC bounding box values provided by gpu_info FW
162 * @cached_state: Caches device atomic state for suspend/resume
163 * @cached_dc_state: Cached state of content streams
164 * @compressor: Frame buffer compression buffer. See &struct dm_compressor_info
165 * @force_timing_sync: set via debugfs. When set, indicates that all connected
166 * displays will be forced to synchronize.
168 struct amdgpu_display_manager {
175 * DMUB service, used for controlling the DMUB on hardware
176 * that supports it. The pointer to the dmub_srv will be
177 * NULL on hardware that does not support it.
179 struct dmub_srv *dmub_srv;
184 * Framebuffer regions for the DMUB.
186 struct dmub_srv_fb_info *dmub_fb_info;
191 * DMUB firmware, required on hardware that has DMUB support.
193 const struct firmware *dmub_fw;
198 * Buffer object for the DMUB.
200 struct amdgpu_bo *dmub_bo;
205 * GPU virtual address for the DMUB buffer object.
207 u64 dmub_bo_gpu_addr;
212 * CPU address for the DMUB buffer object.
214 void *dmub_bo_cpu_addr;
219 * DMCUB firmware version.
221 uint32_t dmcub_fw_version;
226 * The Common Graphics Services device. It provides an interface for
227 * accessing registers.
229 struct cgs_device *cgs_device;
231 struct amdgpu_device *adev;
232 struct drm_device *ddev;
233 u16 display_indexes_num;
238 * In combination with &dm_atomic_state it helps manage
239 * global atomic state that doesn't map cleanly into existing
240 * drm resources, like &dc_context.
242 struct drm_private_obj atomic_obj;
247 * Guards access to DC functions that can issue register write
250 struct mutex dc_lock;
255 * Guards access to audio instance changes.
257 struct mutex audio_lock;
259 #if defined(CONFIG_DRM_AMD_DC_DCN)
263 * Guards access to deferred vblank work state.
265 spinlock_t vblank_lock;
271 * Used to notify ELD changes to sound driver.
273 struct drm_audio_component *audio_component;
278 * True if the audio component has been registered
279 * successfully, false otherwise.
281 bool audio_registered;
284 * @irq_handler_list_low_tab:
286 * Low priority IRQ handler table.
288 * It is a n*m table consisting of n IRQ sources, and m handlers per IRQ
289 * source. Low priority IRQ handlers are deferred to a workqueue to be
290 * processed. Hence, they can sleep.
292 * Note that handlers are called in the same order as they were
295 struct list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER];
298 * @irq_handler_list_high_tab:
300 * High priority IRQ handler table.
302 * It is a n*m table, same as &irq_handler_list_low_tab. However,
303 * handlers in this table are not deferred and are called immediately.
305 struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER];
310 * Page flip IRQ parameters, passed to registered handlers when
313 struct common_irq_params
314 pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1];
319 * Vertical blanking IRQ parameters, passed to registered handlers when
322 struct common_irq_params
323 vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1];
328 * OTG vertical interrupt0 IRQ parameters, passed to registered
329 * handlers when triggered.
331 struct common_irq_params
332 vline0_params[DC_IRQ_SOURCE_DC6_VLINE0 - DC_IRQ_SOURCE_DC1_VLINE0 + 1];
337 * Vertical update IRQ parameters, passed to registered handlers when
340 struct common_irq_params
341 vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1];
344 * @dmub_trace_params:
346 * DMUB trace event IRQ parameters, passed to registered handlers when
349 struct common_irq_params
350 dmub_trace_params[1];
352 spinlock_t irq_handler_list_table_lock;
354 struct backlight_device *backlight_dev;
356 const struct dc_link *backlight_link;
357 struct amdgpu_dm_backlight_caps backlight_caps;
359 struct mod_freesync *freesync_module;
360 #ifdef CONFIG_DRM_AMD_DC_HDCP
361 struct hdcp_workqueue *hdcp_workqueue;
364 #if defined(CONFIG_DRM_AMD_DC_DCN)
368 * amdgpu workqueue during vblank
370 struct vblank_workqueue *vblank_workqueue;
373 struct drm_atomic_state *cached_state;
374 struct dc_state *cached_dc_state;
376 struct dm_compressor_info compressor;
378 const struct firmware *fw_dmcu;
379 uint32_t dmcu_fw_version;
383 * gpu_info FW provided soc bounding box struct or 0 if not
386 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
388 #if defined(CONFIG_DRM_AMD_DC_DCN)
390 * @active_vblank_irq_count:
392 * number of currently active vblank irqs
394 uint32_t active_vblank_irq_count;
397 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
401 * Work to be executed in a separate thread to communicate with PSP.
403 struct crc_rd_work *crc_rd_wrk;
409 * fake encoders used for DP MST.
411 struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC];
412 bool force_timing_sync;
413 bool disable_hpd_irq;
414 bool dmcub_trace_event_en;
418 * DAL fb memory allocation list, for communication with SMU.
420 struct list_head da_list;
423 enum dsc_clock_force_state {
424 DSC_CLK_FORCE_DEFAULT = 0,
425 DSC_CLK_FORCE_ENABLE,
426 DSC_CLK_FORCE_DISABLE,
429 struct dsc_preferred_settings {
430 enum dsc_clock_force_state dsc_force_enable;
431 uint32_t dsc_num_slices_v;
432 uint32_t dsc_num_slices_h;
433 uint32_t dsc_bits_per_pixel;
436 struct amdgpu_dm_connector {
438 struct drm_connector base;
439 uint32_t connector_id;
441 /* we need to mind the EDID between detect
442 and get modes due to analog/digital/tvencoder */
445 /* shared with amdgpu */
446 struct amdgpu_hpd hpd;
448 /* number of modes generated from EDID at 'dc_sink' */
451 /* The 'old' sink - before an HPD.
452 * The 'current' sink is in dc_link->sink. */
453 struct dc_sink *dc_sink;
454 struct dc_link *dc_link;
455 struct dc_sink *dc_em_sink;
458 struct drm_dp_mst_topology_mgr mst_mgr;
459 struct amdgpu_dm_dp_aux dm_dp_aux;
460 struct drm_dp_mst_port *port;
461 struct amdgpu_dm_connector *mst_port;
462 struct drm_dp_aux *dsc_aux;
464 /* TODO see if we can merge with ddc_bus or make a dm_connector */
465 struct amdgpu_i2c_adapter *i2c;
467 /* Monitor range limits */
472 /* Audio instance - protected by audio_lock. */
475 struct mutex hpd_lock;
478 #ifdef CONFIG_DEBUG_FS
479 uint32_t debugfs_dpcd_address;
480 uint32_t debugfs_dpcd_size;
482 bool force_yuv420_output;
483 struct dsc_preferred_settings dsc_settings;
484 /* Cached display modes */
485 struct drm_display_mode freesync_vid_base;
488 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base)
490 extern const struct amdgpu_ip_block_version dm_ip_block;
492 struct dm_plane_state {
493 struct drm_plane_state base;
494 struct dc_plane_state *dc_state;
497 struct dm_crtc_state {
498 struct drm_crtc_state base;
499 struct dc_stream_state *stream;
502 bool cm_is_degamma_srgb;
509 bool freesync_timing_changed;
510 bool freesync_vrr_info_changed;
512 bool dsc_force_changed;
514 struct mod_freesync_config freesync_config;
515 struct dc_info_packet vrr_infopacket;
520 #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
522 struct dm_atomic_state {
523 struct drm_private_state base;
525 struct dc_state *context;
528 #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base)
530 struct dm_connector_state {
531 struct drm_connector_state base;
533 enum amdgpu_rmx_type scaling;
534 uint8_t underscan_vborder;
535 uint8_t underscan_hborder;
536 bool underscan_enable;
537 bool freesync_capable;
538 #ifdef CONFIG_DRM_AMD_DC_HDCP
546 struct amdgpu_hdmi_vsdb_info {
547 unsigned int amd_vsdb_version; /* VSDB version, should be used to determine which VSIF to send */
548 bool freesync_supported; /* FreeSync Supported */
549 unsigned int min_refresh_rate_hz; /* FreeSync Minimum Refresh Rate in Hz */
550 unsigned int max_refresh_rate_hz; /* FreeSync Maximum Refresh Rate in Hz */
554 #define to_dm_connector_state(x)\
555 container_of((x), struct dm_connector_state, base)
557 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector);
558 struct drm_connector_state *
559 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector);
560 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
561 struct drm_connector_state *state,
562 struct drm_property *property,
565 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
566 const struct drm_connector_state *state,
567 struct drm_property *property,
570 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev);
572 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
573 struct amdgpu_dm_connector *aconnector,
575 struct dc_link *link,
578 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
579 struct drm_display_mode *mode);
581 void dm_restore_drm_connector_state(struct drm_device *dev,
582 struct drm_connector *connector);
584 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
587 void amdgpu_dm_trigger_timing_sync(struct drm_device *dev);
589 #define MAX_COLOR_LUT_ENTRIES 4096
590 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */
591 #define MAX_COLOR_LEGACY_LUT_ENTRIES 256
593 void amdgpu_dm_init_color_mod(void);
594 int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
595 int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
596 struct dc_plane_state *dc_plane_state);
598 void amdgpu_dm_update_connector_after_detect(
599 struct amdgpu_dm_connector *aconnector);
601 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs;
603 #endif /* __AMDGPU_DM_H__ */