/*
* Copyright ( C ) 2015 - 2020 Advanced Micro Devices , Inc . All rights reserved .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDER ( S ) OR AUTHOR ( S ) BE LIABLE FOR ANY CLAIM , DAMAGES OR
* OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE ,
* ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE .
*
* Authors : AMD
*
*/
#ifndef __AMDGPU_DM_H__
#define __AMDGPU_DM_H__
#include <drm/display/drm_dp_mst_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_connector.h>
#include <drm/drm_crtc.h>
#include <drm/drm_plane.h>
#include "link_service_types.h"
#include <drm/drm_writeback.h>
/*
* This file contains the definition for amdgpu_display_manager
* and its API for amdgpu driver ' s use .
* This component provides all the display related functionality
* and this is the only component that calls DAL API .
* The API contained here intended for amdgpu driver use .
* The API that is called directly from KMS framework is located
* in amdgpu_dm_kms . h file
*/
#define AMDGPU_DM_MAX_DISPLAY_INDEX 31
#define AMDGPU_DM_MAX_CRTC 6
#define AMDGPU_DM_MAX_NUM_EDP 2
#define AMDGPU_DMUB_NOTIFICATION_MAX 8
#define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID 0 x00001A
#define AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE 0 x40
#define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_VERSION_3 0 x3
#define AMDGPU_HDR_MULT_DEFAULT (0 x100000000LL)
/*
# include " include / amdgpu_dal_power_if . h "
# include " amdgpu_dm_irq . h "
*/
#include "irq_types.h"
#include "signal_types.h"
#include "amdgpu_dm_crc.h"
#include "mod_info_packet.h"
struct aux_payload;
struct set_config_cmd_payload;
enum aux_return_code_type;
enum set_config_status;
/* Forward declarations */
struct amdgpu_device;
struct amdgpu_crtc;
struct drm_device;
struct dc;
struct amdgpu_bo;
struct dmub_srv;
struct dc_plane_state;
struct dmub_notification;
struct dmub_cmd_fused_request;
struct amd_vsdb_block {
unsigned char ieee_id[3 ];
unsigned char version;
unsigned char feature_caps;
};
struct common_irq_params {
struct amdgpu_device *adev;
enum dc_irq_source irq_src;
atomic64_t previous_timestamp;
};
/**
* struct dm_compressor_info - Buffer info used by frame buffer compression
* @ cpu_addr : MMIO cpu addr
* @ bo_ptr : Pointer to the buffer object
* @ gpu_addr : MMIO gpu addr
*/
struct dm_compressor_info {
void *cpu_addr;
struct amdgpu_bo *bo_ptr;
uint64_t gpu_addr;
};
typedef void (*dmub_notify_interrupt_callback_t)(struct amdgpu_device *adev, struct dmub_notification *notify);
/**
* struct dmub_hpd_work - Handle time consuming work in low priority outbox IRQ
*
* @ handle_hpd_work : Work to be executed in a separate thread to handle hpd_low_irq
* @ dmub_notify : notification for callback function
* @ adev : amdgpu_device pointer
*/
struct dmub_hpd_work {
struct work_struct handle_hpd_work;
struct dmub_notification *dmub_notify;
struct amdgpu_device *adev;
};
/**
* struct vblank_control_work - Work data for vblank control
* @ work : Kernel work data for the work event
* @ dm : amdgpu display manager device
* @ acrtc : amdgpu CRTC instance for which the event has occurred
* @ stream : DC stream for which the event has occurred
* @ enable : true if enabling vblank
*/
struct vblank_control_work {
struct work_struct work;
struct amdgpu_display_manager *dm;
struct amdgpu_crtc *acrtc;
struct dc_stream_state *stream;
bool enable;
};
/**
* struct idle_workqueue - Work data for periodic action in idle
* @ work : Kernel work data for the work event
* @ dm : amdgpu display manager device
* @ enable : true if idle worker is enabled
* @ running : true if idle worker is running
*/
struct idle_workqueue {
struct work_struct work;
struct amdgpu_display_manager *dm;
bool enable;
bool running;
};
/**
* struct vupdate_offload_work - Work data for offloading task from vupdate handler
* @ work : Kernel work data for the work event
* @ adev : amdgpu_device back pointer
* @ stream : DC stream associated with the crtc
* @ adjust : DC CRTC timing adjust to be applied to the crtc
*/
struct vupdate_offload_work {
struct work_struct work;
struct amdgpu_device *adev;
struct dc_stream_state *stream;
struct dc_crtc_timing_adjust *adjust;
};
#define MAX_LUMINANCE_DATA_POINTS 99
/**
* struct amdgpu_dm_luminance_data - Custom luminance data
* @ luminance : Luminance in percent
* @ input_signal : Input signal in range 0 - 255
*/
struct amdgpu_dm_luminance_data {
u8 luminance;
u8 input_signal;
} __packed;
/**
* struct amdgpu_dm_backlight_caps - Information about backlight
*
* Describe the backlight support for ACPI or eDP AUX .
*/
struct amdgpu_dm_backlight_caps {
/**
* @ ext_caps : Keep the data struct with all the information about the
* display support for HDR .
*/
union dpcd_sink_ext_caps *ext_caps;
/**
* @ aux_min_input_signal : Min brightness value supported by the display
*/
u32 aux_min_input_signal;
/**
* @ aux_max_input_signal : Max brightness value supported by the display
* in nits .
*/
u32 aux_max_input_signal;
/**
* @ min_input_signal : minimum possible input in range 0 - 255 .
*/
int min_input_signal;
/**
* @ max_input_signal : maximum possible input in range 0 - 255 .
*/
int max_input_signal;
/**
* @ caps_valid : true if these values are from the ACPI interface .
*/
bool caps_valid;
/**
* @ aux_support : Describes if the display supports AUX backlight .
*/
bool aux_support;
/**
* @ ac_level : the default brightness if booted on AC
*/
u8 ac_level;
/**
* @ dc_level : the default brightness if booted on DC
*/
u8 dc_level;
/**
* @ data_points : the number of custom luminance data points
*/
u8 data_points;
/**
* @ luminance_data : custom luminance data
*/
struct amdgpu_dm_luminance_data luminance_data[MAX_LUMINANCE_DATA_POINTS];
};
/**
* struct dal_allocation - Tracks mapped FB memory for SMU communication
* @ list : list of dal allocations
* @ bo : GPU buffer object
* @ cpu_ptr : CPU virtual address of the GPU buffer object
* @ gpu_addr : GPU virtual address of the GPU buffer object
*/
struct dal_allocation {
struct list_head list;
struct amdgpu_bo *bo;
void *cpu_ptr;
u64 gpu_addr;
};
/**
* struct hpd_rx_irq_offload_work_queue - Work queue to handle hpd_rx_irq
* offload work
*/
struct hpd_rx_irq_offload_work_queue {
/**
* @ wq : workqueue structure to queue offload work .
*/
struct workqueue_struct *wq;
/**
* @ offload_lock : To protect fields of offload work queue .
*/
spinlock_t offload_lock;
/**
* @ is_handling_link_loss : Used to prevent inserting link loss event when
* we ' re handling link loss
*/
bool is_handling_link_loss;
/**
* @ is_handling_mst_msg_rdy_event : Used to prevent inserting mst message
* ready event when we ' re already handling mst message ready event
*/
bool is_handling_mst_msg_rdy_event;
/**
* @ aconnector : The aconnector that this work queue is attached to
*/
struct amdgpu_dm_connector *aconnector;
};
/**
* struct hpd_rx_irq_offload_work - hpd_rx_irq offload work structure
*/
struct hpd_rx_irq_offload_work {
/**
* @ work : offload work
*/
struct work_struct work;
/**
* @ data : reference irq data which is used while handling offload work
*/
union hpd_irq_data data;
/**
* @ offload_wq : offload work queue that this work is queued to
*/
struct hpd_rx_irq_offload_work_queue *offload_wq;
/**
* @ adev : amdgpu_device pointer
*/
struct amdgpu_device *adev;
};
/**
* struct amdgpu_display_manager - Central amdgpu display manager device
*
* @ dc : Display Core control structure
* @ adev : AMDGPU base driver structure
* @ ddev : DRM base driver structure
* @ display_indexes_num : Max number of display streams supported
* @ irq_handler_list_table_lock : Synchronizes access to IRQ tables
* @ backlight_dev : Backlight control device
* @ backlight_link : Link on which to control backlight
* @ backlight_caps : Capabilities of the backlight device
* @ freesync_module : Module handling freesync calculations
* @ hdcp_workqueue : AMDGPU content protection queue
* @ fw_dmcu : Reference to DMCU firmware
* @ dmcu_fw_version : Version of the DMCU firmware
* @ soc_bounding_box : SOC bounding box values provided by gpu_info FW
* @ cached_state : Caches device atomic state for suspend / resume
* @ cached_dc_state : Cached state of content streams
* @ compressor : Frame buffer compression buffer . See & struct dm_compressor_info
* @ force_timing_sync : set via debugfs . When set , indicates that all connected
* displays will be forced to synchronize .
* @ dmcub_trace_event_en : enable dmcub trace events
* @ dmub_outbox_params : DMUB Outbox parameters
* @ num_of_edps : number of backlight eDPs
* @ disable_hpd_irq : disables all HPD and HPD RX interrupt handling in the
* driver when true
* @ dmub_aux_transfer_done : struct completion used to indicate when DMUB
* transfers are done
* @ delayed_hpd_wq : work queue used to delay DMUB HPD work
*/
struct amdgpu_display_manager {
struct dc *dc;
/**
* @ dmub_srv :
*
* DMUB service , used for controlling the DMUB on hardware
* that supports it . The pointer to the dmub_srv will be
* NULL on hardware that does not support it .
*/
struct dmub_srv *dmub_srv;
/**
* @ dmub_notify :
*
* Notification from DMUB .
*/
struct dmub_notification *dmub_notify;
/**
* @ dmub_callback :
*
* Callback functions to handle notification from DMUB .
*/
dmub_notify_interrupt_callback_t dmub_callback[AMDGPU_DMUB_NOTIFICATION_MAX];
/**
* @ dmub_thread_offload :
*
* Flag to indicate if callback is offload .
*/
bool dmub_thread_offload[AMDGPU_DMUB_NOTIFICATION_MAX];
/**
* @ dmub_fb_info :
*
* Framebuffer regions for the DMUB .
*/
struct dmub_srv_fb_info *dmub_fb_info;
/**
* @ dmub_fw :
*
* DMUB firmware , required on hardware that has DMUB support .
*/
const struct firmware *dmub_fw;
/**
* @ dmub_bo :
*
* Buffer object for the DMUB .
*/
struct amdgpu_bo *dmub_bo;
/**
* @ dmub_bo_gpu_addr :
*
* GPU virtual address for the DMUB buffer object .
*/
u64 dmub_bo_gpu_addr;
/**
* @ dmub_bo_cpu_addr :
*
* CPU address for the DMUB buffer object .
*/
void *dmub_bo_cpu_addr;
/**
* @ dmcub_fw_version :
*
* DMCUB firmware version .
*/
uint32_t dmcub_fw_version;
/**
* @ cgs_device :
*
* The Common Graphics Services device . It provides an interface for
* accessing registers .
*/
struct cgs_device *cgs_device;
struct amdgpu_device *adev;
struct drm_device *ddev;
u16 display_indexes_num;
/**
* @ atomic_obj :
*
* In combination with & dm_atomic_state it helps manage
* global atomic state that doesn ' t map cleanly into existing
* drm resources , like & dc_context .
*/
struct drm_private_obj atomic_obj;
/**
* @ dc_lock :
*
* Guards access to DC functions that can issue register write
* sequences .
*/
struct mutex dc_lock;
/**
* @ audio_lock :
*
* Guards access to audio instance changes .
*/
struct mutex audio_lock;
/**
* @ audio_component :
*
* Used to notify ELD changes to sound driver .
*/
struct drm_audio_component *audio_component;
/**
* @ audio_registered :
*
* True if the audio component has been registered
* successfully , false otherwise .
*/
bool audio_registered;
/**
* @ irq_handler_list_low_tab :
*
* Low priority IRQ handler table .
*
* It is a n * m table consisting of n IRQ sources , and m handlers per IRQ
* source . Low priority IRQ handlers are deferred to a workqueue to be
* processed . Hence , they can sleep .
*
* Note that handlers are called in the same order as they were
* registered ( FIFO ) .
*/
struct list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER];
/**
* @ irq_handler_list_high_tab :
*
* High priority IRQ handler table .
*
* It is a n * m table , same as & irq_handler_list_low_tab . However ,
* handlers in this table are not deferred and are called immediately .
*/
struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER];
/**
* @ pflip_params :
*
* Page flip IRQ parameters , passed to registered handlers when
* triggered .
*/
struct common_irq_params
pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1 ];
/**
* @ vblank_params :
*
* Vertical blanking IRQ parameters , passed to registered handlers when
* triggered .
*/
struct common_irq_params
vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1 ];
/**
* @ vline0_params :
*
* OTG vertical interrupt0 IRQ parameters , passed to registered
* handlers when triggered .
*/
struct common_irq_params
vline0_params[DC_IRQ_SOURCE_DC6_VLINE0 - DC_IRQ_SOURCE_DC1_VLINE0 + 1 ];
/**
* @ vupdate_params :
*
* Vertical update IRQ parameters , passed to registered handlers when
* triggered .
*/
struct common_irq_params
vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1 ];
/**
* @ dmub_trace_params :
*
* DMUB trace event IRQ parameters , passed to registered handlers when
* triggered .
*/
struct common_irq_params
dmub_trace_params[1 ];
struct common_irq_params
dmub_outbox_params[1 ];
spinlock_t irq_handler_list_table_lock;
struct backlight_device *backlight_dev[AMDGPU_DM_MAX_NUM_EDP];
const struct dc_link *backlight_link[AMDGPU_DM_MAX_NUM_EDP];
uint8_t num_of_edps;
struct amdgpu_dm_backlight_caps backlight_caps[AMDGPU_DM_MAX_NUM_EDP];
struct mod_freesync *freesync_module;
struct hdcp_workqueue *hdcp_workqueue;
/**
* @ vblank_control_workqueue :
*
* Deferred work for vblank control events .
*/
struct workqueue_struct *vblank_control_workqueue;
/**
* @ idle_workqueue :
*
* Periodic work for idle events .
*/
struct idle_workqueue *idle_workqueue;
struct drm_atomic_state *cached_state;
struct dc_state *cached_dc_state;
struct dm_compressor_info compressor;
const struct firmware *fw_dmcu;
uint32_t dmcu_fw_version;
/**
* @ soc_bounding_box :
*
* gpu_info FW provided soc bounding box struct or 0 if not
* available in FW
*/
const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
/**
* @ active_vblank_irq_count :
*
* number of currently active vblank irqs
*/
uint32_t active_vblank_irq_count;
#if defined (CONFIG_DRM_AMD_SECURE_DISPLAY)
/**
* @ secure_display_ctx :
*
* Store secure display relevant info . e . g . the ROI information
* , the work_struct to command dmub , etc .
*/
struct secure_display_context secure_display_ctx;
#endif
/**
* @ hpd_rx_offload_wq :
*
* Work queue to offload works of hpd_rx_irq
*/
struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq;
/**
* @ mst_encoders :
*
* fake encoders used for DP MST .
*/
struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC];
bool force_timing_sync;
bool disable_hpd_irq;
bool dmcub_trace_event_en;
/**
* @ da_list :
*
* DAL fb memory allocation list , for communication with SMU .
*/
struct list_head da_list;
struct completion dmub_aux_transfer_done;
struct workqueue_struct *delayed_hpd_wq;
/**
* @ brightness :
*
* cached backlight values .
*/
u32 brightness[AMDGPU_DM_MAX_NUM_EDP];
/**
* @ actual_brightness :
*
* last successfully applied backlight values .
*/
u32 actual_brightness[AMDGPU_DM_MAX_NUM_EDP];
/**
* @ aux_hpd_discon_quirk :
*
* quirk for hpd discon while aux is on - going .
* occurred on certain intel platform
*/
bool aux_hpd_discon_quirk;
/**
* @ edp0_on_dp1_quirk :
*
* quirk for platforms that put edp0 on DP1 .
*/
bool edp0_on_dp1_quirk;
/**
* @ dpia_aux_lock :
*
* Guards access to DPIA AUX
*/
struct mutex dpia_aux_lock;
/**
* @ bb_from_dmub :
*
* Bounding box data read from dmub during early initialization for DCN4 +
* Data is stored as a byte array that should be casted to the appropriate bb struct
*/
void *bb_from_dmub;
/**
* @ oem_i2c :
*
* OEM i2c bus
*/
struct amdgpu_i2c_adapter *oem_i2c;
/**
* @ fused_io :
*
* dmub fused io interface
*/
struct fused_io_sync {
struct completion replied;
char reply_data[0 x40]; // Cannot include dmub_cmd here
} fused_io[8 ];
};
enum dsc_clock_force_state {
DSC_CLK_FORCE_DEFAULT = 0 ,
DSC_CLK_FORCE_ENABLE,
DSC_CLK_FORCE_DISABLE,
};
struct dsc_preferred_settings {
enum dsc_clock_force_state dsc_force_enable;
uint32_t dsc_num_slices_v;
uint32_t dsc_num_slices_h;
uint32_t dsc_bits_per_pixel;
bool dsc_force_disable_passthrough;
};
enum mst_progress_status {
MST_STATUS_DEFAULT = 0 ,
MST_PROBE = BIT(0 ),
MST_REMOTE_EDID = BIT(1 ),
MST_ALLOCATE_NEW_PAYLOAD = BIT(2 ),
MST_CLEAR_ALLOCATED_PAYLOAD = BIT(3 ),
};
/**
* struct amdgpu_hdmi_vsdb_info - Keep track of the VSDB info
*
* AMDGPU supports FreeSync over HDMI by using the VSDB section , and this
* struct is useful to keep track of the display - specific information about
* FreeSync .
*/
struct amdgpu_hdmi_vsdb_info {
/**
* @ amd_vsdb_version : Vendor Specific Data Block Version , should be
* used to determine which Vendor Specific InfoFrame ( VSIF ) to send .
*/
unsigned int amd_vsdb_version;
/**
* @ freesync_supported : FreeSync Supported .
*/
bool freesync_supported;
/**
* @ min_refresh_rate_hz : FreeSync Minimum Refresh Rate in Hz .
*/
unsigned int min_refresh_rate_hz;
/**
* @ max_refresh_rate_hz : FreeSync Maximum Refresh Rate in Hz
*/
unsigned int max_refresh_rate_hz;
/**
* @ replay_mode : Replay supported
*/
bool replay_mode;
};
struct amdgpu_dm_connector {
struct drm_connector base;
uint32_t connector_id;
int bl_idx;
struct cec_notifier *notifier;
/* we need to mind the EDID between detect
and get modes due to analog/digital/tvencoder */
const struct drm_edid *drm_edid;
/* shared with amdgpu */
struct amdgpu_hpd hpd;
/* number of modes generated from EDID at 'dc_sink' */
int num_modes;
/* The 'old' sink - before an HPD.
* The 'current' sink is in dc_link->sink. */
struct dc_sink *dc_sink;
struct dc_link *dc_link;
/**
* @ dc_em_sink : Reference to the emulated ( virtual ) sink .
*/
struct dc_sink *dc_em_sink;
/* DM only */
struct drm_dp_mst_topology_mgr mst_mgr;
struct amdgpu_dm_dp_aux dm_dp_aux;
struct drm_dp_mst_port *mst_output_port;
struct amdgpu_dm_connector *mst_root;
struct drm_dp_aux *dsc_aux;
uint32_t mst_local_bw;
uint16_t vc_full_pbn;
struct mutex handle_mst_msg_ready;
/* TODO see if we can merge with ddc_bus or make a dm_connector */
struct amdgpu_i2c_adapter *i2c;
/* Monitor range limits */
/**
* @ min_vfreq : Minimal frequency supported by the display in Hz . This
* value is set to zero when there is no FreeSync support .
*/
int min_vfreq;
/**
* @ max_vfreq : Maximum frequency supported by the display in Hz . This
* value is set to zero when there is no FreeSync support .
*/
int max_vfreq ;
/* Audio instance - protected by audio_lock. */
int audio_inst;
struct mutex hpd_lock;
bool fake_enable;
bool force_yuv420_output;
bool force_yuv422_output;
struct dsc_preferred_settings dsc_settings;
union dp_downstream_port_present mst_downstream_port_present;
/* Cached display modes */
struct drm_display_mode freesync_vid_base;
int sr_skip_count;
bool disallow_edp_enter_psr;
/* Record progress status of mst*/
uint8_t mst_status;
/* Automated testing */
bool timing_changed;
struct dc_crtc_timing *timing_requested;
/* Adaptive Sync */
bool pack_sdp_v1_3;
enum adaptive_sync_type as_type;
struct amdgpu_hdmi_vsdb_info vsdb_info;
};
static inline void amdgpu_dm_set_mst_status(uint8_t *status,
uint8_t flags, bool set)
{
if (set)
*status |= flags;
else
*status &= ~flags;
}
#define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base)
struct amdgpu_dm_wb_connector {
struct drm_writeback_connector base;
struct dc_link *link;
};
#define to_amdgpu_dm_wb_connector(x) container_of(x, struct amdgpu_dm_wb_connector, base)
extern const struct amdgpu_ip_block_version dm_ip_block;
/* enum amdgpu_transfer_function: pre-defined transfer function supported by AMD.
*
* It includes standardized transfer functions and pure power functions . The
* transfer function coefficients are available at modules / color / color_gamma . c
*/
enum amdgpu_transfer_function {
AMDGPU_TRANSFER_FUNCTION_DEFAULT,
AMDGPU_TRANSFER_FUNCTION_SRGB_EOTF,
AMDGPU_TRANSFER_FUNCTION_BT709_INV_OETF,
AMDGPU_TRANSFER_FUNCTION_PQ_EOTF,
AMDGPU_TRANSFER_FUNCTION_IDENTITY,
AMDGPU_TRANSFER_FUNCTION_GAMMA22_EOTF,
AMDGPU_TRANSFER_FUNCTION_GAMMA24_EOTF,
AMDGPU_TRANSFER_FUNCTION_GAMMA26_EOTF,
AMDGPU_TRANSFER_FUNCTION_SRGB_INV_EOTF,
AMDGPU_TRANSFER_FUNCTION_BT709_OETF,
AMDGPU_TRANSFER_FUNCTION_PQ_INV_EOTF,
AMDGPU_TRANSFER_FUNCTION_GAMMA22_INV_EOTF,
AMDGPU_TRANSFER_FUNCTION_GAMMA24_INV_EOTF,
AMDGPU_TRANSFER_FUNCTION_GAMMA26_INV_EOTF,
AMDGPU_TRANSFER_FUNCTION_COUNT
};
struct dm_plane_state {
struct drm_plane_state base;
struct dc_plane_state *dc_state;
/* Plane color mgmt */
/**
* @ degamma_lut :
*
* 1 D LUT for mapping framebuffer / plane pixel data before sampling or
* blending operations . It ' s usually applied to linearize input space .
* The blob ( if not NULL ) is an array of & struct drm_color_lut .
*/
struct drm_property_blob *degamma_lut;
/**
* @ degamma_tf :
*
* Predefined transfer function to tell DC driver the input space to
* linearize .
*/
enum amdgpu_transfer_function degamma_tf;
/**
* @ hdr_mult :
*
* Multiplier to ' gain ' the plane . When PQ is decoded using the fixed
* func transfer function to the internal FP16 fb , 1 . 0 - > 80 nits ( on
* AMD at least ) . When sRGB is decoded , 1 . 0 - > 1 . 0 , obviously .
* Therefore , 1 . 0 multiplier = 80 nits for SDR content . So if you
* want , 203 nits for SDR content , pass in ( 203 . 0 / 80 . 0 ) . Format is
* S31 . 32 sign - magnitude .
*
* HDR multiplier can wide range beyond [ 0 . 0 , 1 . 0 ] . This means that PQ
* TF is needed for any subsequent linear - to - non - linear transforms .
*/
__u64 hdr_mult;
/**
* @ ctm :
*
* Color transformation matrix . The blob ( if not NULL ) is a & struct
* drm_color_ctm_3x4 .
*/
struct drm_property_blob *ctm;
/**
* @ shaper_lut : shaper lookup table blob . The blob ( if not NULL ) is an
* array of & struct drm_color_lut .
*/
struct drm_property_blob *shaper_lut;
/**
* @ shaper_tf :
*
* Predefined transfer function to delinearize color space .
*/
enum amdgpu_transfer_function shaper_tf;
/**
* @ lut3d : 3 D lookup table blob . The blob ( if not NULL ) is an array of
* & struct drm_color_lut .
*/
struct drm_property_blob *lut3d;
/**
* @ blend_lut : blend lut lookup table blob . The blob ( if not NULL ) is an
* array of & struct drm_color_lut .
*/
struct drm_property_blob *blend_lut;
/**
* @ blend_tf :
*
* Pre - defined transfer function for converting plane pixel data before
* applying blend LUT .
*/
enum amdgpu_transfer_function blend_tf;
};
enum amdgpu_dm_cursor_mode {
DM_CURSOR_NATIVE_MODE = 0 ,
DM_CURSOR_OVERLAY_MODE,
};
struct dm_crtc_state {
struct drm_crtc_state base;
struct dc_stream_state *stream;
bool cm_has_degamma;
bool cm_is_degamma_srgb;
bool mpo_requested;
int update_type;
int active_planes;
int crc_skip_count;
bool freesync_vrr_info_changed;
bool dsc_force_changed;
bool vrr_supported;
struct mod_freesync_config freesync_config;
struct dc_info_packet vrr_infopacket;
int abm_level;
/**
* @ regamma_tf :
*
* Pre - defined transfer function for converting internal FB - > wire
* encoding .
*/
enum amdgpu_transfer_function regamma_tf;
enum amdgpu_dm_cursor_mode cursor_mode;
};
#define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
struct dm_atomic_state {
struct drm_private_state base;
struct dc_state *context;
};
#define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base)
struct dm_connector_state {
struct drm_connector_state base;
enum amdgpu_rmx_type scaling;
uint8_t underscan_vborder;
uint8_t underscan_hborder;
bool underscan_enable;
bool freesync_capable;
bool update_hdcp;
uint8_t abm_level;
int vcpi_slots;
uint64_t pbn;
};
#define to_dm_connector_state(x)\
container_of((x), struct dm_connector_state, base)
void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector);
struct drm_connector_state *
amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector);
int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
struct drm_connector_state *state,
struct drm_property *property,
uint64_t val);
int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
const struct drm_connector_state *state,
struct drm_property *property,
uint64_t *val);
int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev);
void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
struct amdgpu_dm_connector *aconnector,
int connector_type,
struct dc_link *link,
int link_index);
enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
const struct drm_display_mode *mode);
void dm_restore_drm_connector_state(struct drm_device *dev,
struct drm_connector *connector);
void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
const struct drm_edid *drm_edid);
void amdgpu_dm_trigger_timing_sync(struct drm_device *dev);
/* 3D LUT max size is 17x17x17 (4913 entries) */
#define MAX_COLOR_3DLUT_SIZE 17
#define MAX_COLOR_3DLUT_BITDEPTH 12
int amdgpu_dm_verify_lut3d_size(struct amdgpu_device *adev,
struct drm_plane_state *plane_state);
/* 1D LUT size */
#define MAX_COLOR_LUT_ENTRIES 4096
/* Legacy gamm LUT users such as X doesn't like large LUT sizes */
#define MAX_COLOR_LEGACY_LUT_ENTRIES 256
void amdgpu_dm_init_color_mod(void );
int amdgpu_dm_create_color_properties(struct amdgpu_device *adev);
int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state);
int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
int amdgpu_dm_check_crtc_color_mgmt(struct dm_crtc_state *crtc,
bool check_only);
int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
struct drm_plane_state *plane_state,
struct dc_plane_state *dc_plane_state);
void amdgpu_dm_update_connector_after_detect(
struct amdgpu_dm_connector *aconnector);
extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs;
int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int link_index,
struct aux_payload *payload, enum aux_return_code_type *operation_result);
bool amdgpu_dm_execute_fused_io(
struct amdgpu_device *dev,
struct dc_link *link,
union dmub_rb_cmd *commands,
uint8_t count,
uint32_t timeout_us
);
int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int link_index,
struct set_config_cmd_payload *payload, enum set_config_status *operation_result);
struct dc_stream_state *
create_validate_stream_for_sink(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
const struct dm_connector_state *dm_state,
const struct dc_stream_state *old_stream);
int dm_atomic_get_state(struct drm_atomic_state *state,
struct dm_atomic_state **dm_state);
struct drm_connector *
amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state,
struct drm_crtc *crtc);
int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth);
struct idle_workqueue *idle_create_workqueue(struct amdgpu_device *adev);
void *dm_allocate_gpu_mem(struct amdgpu_device *adev,
enum dc_gpu_mem_alloc_type type,
size_t size,
long long *addr);
void dm_free_gpu_mem(struct amdgpu_device *adev,
enum dc_gpu_mem_alloc_type type,
void *addr);
bool amdgpu_dm_is_headless(struct amdgpu_device *adev);
void hdmi_cec_set_edid(struct amdgpu_dm_connector *aconnector);
void hdmi_cec_unset_edid(struct amdgpu_dm_connector *aconnector);
int amdgpu_dm_initialize_hdmi_connector(struct amdgpu_dm_connector *aconnector);
void retrieve_dmi_info(struct amdgpu_display_manager *dm);
#endif /* __AMDGPU_DM_H__ */
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¤ Dauer der Verarbeitung: 0.19 Sekunden
(vorverarbeitet am 2026-10-04)
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