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linux_dsm_epyc7002/drivers/gpu/drm/amd/display/dc/dc.h
Aric Cyr 69226e9c7d drm/amd/display: 3.2.20 
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-03-19 15:04:03 -05:00

802 lines
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/*
* Copyright 2012-14 Advanced Micro Devices, Inc.
*
* 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 DC_INTERFACE_H_
#define DC_INTERFACE_H_
#include "dc_types.h"
#include "grph_object_defs.h"
#include "logger_types.h"
#include "gpio_types.h"
#include "link_service_types.h"
#include "grph_object_ctrl_defs.h"
#include <inc/hw/opp.h>
#include "inc/hw_sequencer.h"
#include "inc/compressor.h"
#include "inc/hw/dmcu.h"
#include "dml/display_mode_lib.h"
#define DC_VER "3.2.20"
#define MAX_SURFACES 3
#define MAX_PLANES 6
#define MAX_STREAMS 6
#define MAX_SINKS_PER_LINK 4
/*******************************************************************************
* Display Core Interfaces
******************************************************************************/
struct dc_versions {
const char *dc_ver;
struct dmcu_version dmcu_version;
};
enum dc_plane_type {
DC_PLANE_TYPE_INVALID,
DC_PLANE_TYPE_DCE_RGB,
DC_PLANE_TYPE_DCE_UNDERLAY,
DC_PLANE_TYPE_DCN_UNIVERSAL,
};
struct dc_plane_cap {
enum dc_plane_type type;
uint32_t blends_with_above : 1;
uint32_t blends_with_below : 1;
uint32_t per_pixel_alpha : 1;
uint32_t supports_argb8888 : 1;
uint32_t supports_nv12 : 1;
};
struct dc_caps {
uint32_t max_streams;
uint32_t max_links;
uint32_t max_audios;
uint32_t max_slave_planes;
uint32_t max_planes;
uint32_t max_downscale_ratio;
uint32_t i2c_speed_in_khz;
uint32_t dmdata_alloc_size;
unsigned int max_cursor_size;
unsigned int max_video_width;
int linear_pitch_alignment;
bool dcc_const_color;
bool dynamic_audio;
bool is_apu;
bool dual_link_dvi;
bool post_blend_color_processing;
bool force_dp_tps4_for_cp2520;
bool disable_dp_clk_share;
bool psp_setup_panel_mode;
struct dc_plane_cap planes[MAX_PLANES];
};
struct dc_dcc_surface_param {
struct dc_size surface_size;
enum surface_pixel_format format;
enum swizzle_mode_values swizzle_mode;
enum dc_scan_direction scan;
};
struct dc_dcc_setting {
unsigned int max_compressed_blk_size;
unsigned int max_uncompressed_blk_size;
bool independent_64b_blks;
};
struct dc_surface_dcc_cap {
union {
struct {
struct dc_dcc_setting rgb;
} grph;
struct {
struct dc_dcc_setting luma;
struct dc_dcc_setting chroma;
} video;
};
bool capable;
bool const_color_support;
};
struct dc_static_screen_events {
bool force_trigger;
bool cursor_update;
bool surface_update;
bool overlay_update;
};
/* Surface update type is used by dc_update_surfaces_and_stream
* The update type is determined at the very beginning of the function based
* on parameters passed in and decides how much programming (or updating) is
* going to be done during the call.
*
* UPDATE_TYPE_FAST is used for really fast updates that do not require much
* logical calculations or hardware register programming. This update MUST be
* ISR safe on windows. Currently fast update will only be used to flip surface
* address.
*
* UPDATE_TYPE_MED is used for slower updates which require significant hw
* re-programming however do not affect bandwidth consumption or clock
* requirements. At present, this is the level at which front end updates
* that do not require us to run bw_calcs happen. These are in/out transfer func
* updates, viewport offset changes, recout size changes and pixel depth changes.
* This update can be done at ISR, but we want to minimize how often this happens.
*
* UPDATE_TYPE_FULL is slow. Really slow. This requires us to recalculate our
* bandwidth and clocks, possibly rearrange some pipes and reprogram anything front
* end related. Any time viewport dimensions, recout dimensions, scaling ratios or
* gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do
* a full update. This cannot be done at ISR level and should be a rare event.
* Unless someone is stress testing mpo enter/exit, playing with colour or adjusting
* underscan we don't expect to see this call at all.
*/
enum surface_update_type {
UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */
UPDATE_TYPE_MED, /* ISR safe, most of programming needed, no bw/clk change*/
UPDATE_TYPE_FULL, /* may need to shuffle resources */
};
/* Forward declaration*/
struct dc;
struct dc_plane_state;
struct dc_state;
struct dc_cap_funcs {
bool (*get_dcc_compression_cap)(const struct dc *dc,
const struct dc_dcc_surface_param *input,
struct dc_surface_dcc_cap *output);
};
struct link_training_settings;
/* Structure to hold configuration flags set by dm at dc creation. */
struct dc_config {
bool gpu_vm_support;
bool disable_disp_pll_sharing;
bool fbc_support;
bool optimize_edp_link_rate;
bool allow_seamless_boot_optimization;
};
enum visual_confirm {
VISUAL_CONFIRM_DISABLE = 0,
VISUAL_CONFIRM_SURFACE = 1,
VISUAL_CONFIRM_HDR = 2,
};
enum dcc_option {
DCC_ENABLE = 0,
DCC_DISABLE = 1,
DCC_HALF_REQ_DISALBE = 2,
};
enum pipe_split_policy {
MPC_SPLIT_DYNAMIC = 0,
MPC_SPLIT_AVOID = 1,
MPC_SPLIT_AVOID_MULT_DISP = 2,
};
enum wm_report_mode {
WM_REPORT_DEFAULT = 0,
WM_REPORT_OVERRIDE = 1,
};
/*
* For any clocks that may differ per pipe
* only the max is stored in this structure
*/
struct dc_clocks {
int dispclk_khz;
int max_supported_dppclk_khz;
int dppclk_khz;
int dcfclk_khz;
int socclk_khz;
int dcfclk_deep_sleep_khz;
int fclk_khz;
int phyclk_khz;
int dramclk_khz;
bool p_state_change_support;
};
struct dc_debug_options {
enum visual_confirm visual_confirm;
bool sanity_checks;
bool max_disp_clk;
bool surface_trace;
bool timing_trace;
bool clock_trace;
bool validation_trace;
bool bandwidth_calcs_trace;
int max_downscale_src_width;
/* stutter efficiency related */
bool disable_stutter;
bool use_max_lb;
enum dcc_option disable_dcc;
enum pipe_split_policy pipe_split_policy;
bool force_single_disp_pipe_split;
bool voltage_align_fclk;
bool disable_dfs_bypass;
bool disable_dpp_power_gate;
bool disable_hubp_power_gate;
bool disable_pplib_wm_range;
enum wm_report_mode pplib_wm_report_mode;
unsigned int min_disp_clk_khz;
int sr_exit_time_dpm0_ns;
int sr_enter_plus_exit_time_dpm0_ns;
int sr_exit_time_ns;
int sr_enter_plus_exit_time_ns;
int urgent_latency_ns;
int percent_of_ideal_drambw;
int dram_clock_change_latency_ns;
bool optimized_watermark;
int always_scale;
bool disable_pplib_clock_request;
bool disable_clock_gate;
bool disable_dmcu;
bool disable_psr;
bool force_abm_enable;
bool disable_stereo_support;
bool vsr_support;
bool performance_trace;
bool az_endpoint_mute_only;
bool always_use_regamma;
bool p010_mpo_support;
bool recovery_enabled;
bool avoid_vbios_exec_table;
bool scl_reset_length10;
bool hdmi20_disable;
bool skip_detection_link_training;
unsigned int force_odm_combine; //bit vector based on otg inst
unsigned int force_fclk_khz;
bool disable_tri_buf;
};
struct dc_debug_data {
uint32_t ltFailCount;
uint32_t i2cErrorCount;
uint32_t auxErrorCount;
};
struct dc_bounding_box_overrides {
int sr_exit_time_ns;
int sr_enter_plus_exit_time_ns;
int urgent_latency_ns;
int percent_of_ideal_drambw;
int dram_clock_change_latency_ns;
};
struct dc_state;
struct resource_pool;
struct dce_hwseq;
struct dc {
struct dc_versions versions;
struct dc_caps caps;
struct dc_cap_funcs cap_funcs;
struct dc_config config;
struct dc_debug_options debug;
struct dc_bounding_box_overrides bb_overrides;
struct dc_context *ctx;
uint8_t link_count;
struct dc_link *links[MAX_PIPES * 2];
struct dc_state *current_state;
struct resource_pool *res_pool;
/* Display Engine Clock levels */
struct dm_pp_clock_levels sclk_lvls;
/* Inputs into BW and WM calculations. */
struct bw_calcs_dceip *bw_dceip;
struct bw_calcs_vbios *bw_vbios;
#ifdef CONFIG_DRM_AMD_DC_DCN1_0
struct dcn_soc_bounding_box *dcn_soc;
struct dcn_ip_params *dcn_ip;
struct display_mode_lib dml;
#endif
/* HW functions */
struct hw_sequencer_funcs hwss;
struct dce_hwseq *hwseq;
/* Require to optimize clocks and bandwidth for added/removed planes */
bool optimized_required;
/* Require to maintain clocks and bandwidth for UEFI enabled HW */
bool optimize_seamless_boot;
/* FBC compressor */
struct compressor *fbc_compressor;
struct dc_debug_data debug_data;
const char *build_id;
};
enum frame_buffer_mode {
FRAME_BUFFER_MODE_LOCAL_ONLY = 0,
FRAME_BUFFER_MODE_ZFB_ONLY,
FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL,
} ;
struct dchub_init_data {
int64_t zfb_phys_addr_base;
int64_t zfb_mc_base_addr;
uint64_t zfb_size_in_byte;
enum frame_buffer_mode fb_mode;
bool dchub_initialzied;
bool dchub_info_valid;
};
struct dc_init_data {
struct hw_asic_id asic_id;
void *driver; /* ctx */
struct cgs_device *cgs_device;
struct dc_bounding_box_overrides bb_overrides;
int num_virtual_links;
/*
* If 'vbios_override' not NULL, it will be called instead
* of the real VBIOS. Intended use is Diagnostics on FPGA.
*/
struct dc_bios *vbios_override;
enum dce_environment dce_environment;
struct dc_config flags;
uint32_t log_mask;
};
struct dc_callback_init {
uint8_t reserved;
};
struct dc *dc_create(const struct dc_init_data *init_params);
void dc_init_callbacks(struct dc *dc,
const struct dc_callback_init *init_params);
void dc_destroy(struct dc **dc);
/*******************************************************************************
* Surface Interfaces
******************************************************************************/
enum {
TRANSFER_FUNC_POINTS = 1025
};
struct dc_hdr_static_metadata {
/* display chromaticities and white point in units of 0.00001 */
unsigned int chromaticity_green_x;
unsigned int chromaticity_green_y;
unsigned int chromaticity_blue_x;
unsigned int chromaticity_blue_y;
unsigned int chromaticity_red_x;
unsigned int chromaticity_red_y;
unsigned int chromaticity_white_point_x;
unsigned int chromaticity_white_point_y;
uint32_t min_luminance;
uint32_t max_luminance;
uint32_t maximum_content_light_level;
uint32_t maximum_frame_average_light_level;
};
enum dc_transfer_func_type {
TF_TYPE_PREDEFINED,
TF_TYPE_DISTRIBUTED_POINTS,
TF_TYPE_BYPASS,
TF_TYPE_HWPWL
};
struct dc_transfer_func_distributed_points {
struct fixed31_32 red[TRANSFER_FUNC_POINTS];
struct fixed31_32 green[TRANSFER_FUNC_POINTS];
struct fixed31_32 blue[TRANSFER_FUNC_POINTS];
uint16_t end_exponent;
uint16_t x_point_at_y1_red;
uint16_t x_point_at_y1_green;
uint16_t x_point_at_y1_blue;
};
enum dc_transfer_func_predefined {
TRANSFER_FUNCTION_SRGB,
TRANSFER_FUNCTION_BT709,
TRANSFER_FUNCTION_PQ,
TRANSFER_FUNCTION_LINEAR,
TRANSFER_FUNCTION_UNITY,
TRANSFER_FUNCTION_HLG,
TRANSFER_FUNCTION_HLG12,
TRANSFER_FUNCTION_GAMMA22
};
struct dc_transfer_func {
struct kref refcount;
enum dc_transfer_func_type type;
enum dc_transfer_func_predefined tf;
/* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/
uint32_t sdr_ref_white_level;
struct dc_context *ctx;
union {
struct pwl_params pwl;
struct dc_transfer_func_distributed_points tf_pts;
};
};
/*
* This structure is filled in by dc_surface_get_status and contains
* the last requested address and the currently active address so the called
* can determine if there are any outstanding flips
*/
struct dc_plane_status {
struct dc_plane_address requested_address;
struct dc_plane_address current_address;
bool is_flip_pending;
bool is_right_eye;
};
union surface_update_flags {
struct {
/* Medium updates */
uint32_t dcc_change:1;
uint32_t color_space_change:1;
uint32_t horizontal_mirror_change:1;
uint32_t per_pixel_alpha_change:1;
uint32_t global_alpha_change:1;
uint32_t rotation_change:1;
uint32_t swizzle_change:1;
uint32_t scaling_change:1;
uint32_t position_change:1;
uint32_t in_transfer_func_change:1;
uint32_t input_csc_change:1;
uint32_t coeff_reduction_change:1;
uint32_t output_tf_change:1;
uint32_t pixel_format_change:1;
uint32_t plane_size_change:1;
/* Full updates */
uint32_t new_plane:1;
uint32_t bpp_change:1;
uint32_t gamma_change:1;
uint32_t bandwidth_change:1;
uint32_t clock_change:1;
uint32_t stereo_format_change:1;
uint32_t full_update:1;
} bits;
uint32_t raw;
};
struct dc_plane_state {
struct dc_plane_address address;
struct dc_plane_flip_time time;
struct scaling_taps scaling_quality;
struct rect src_rect;
struct rect dst_rect;
struct rect clip_rect;
union plane_size plane_size;
union dc_tiling_info tiling_info;
struct dc_plane_dcc_param dcc;
struct dc_gamma *gamma_correction;
struct dc_transfer_func *in_transfer_func;
struct dc_bias_and_scale *bias_and_scale;
struct dc_csc_transform input_csc_color_matrix;
struct fixed31_32 coeff_reduction_factor;
uint32_t sdr_white_level;
// TODO: No longer used, remove
struct dc_hdr_static_metadata hdr_static_ctx;
enum dc_color_space color_space;
enum surface_pixel_format format;
enum dc_rotation_angle rotation;
enum plane_stereo_format stereo_format;
bool is_tiling_rotated;
bool per_pixel_alpha;
bool global_alpha;
int global_alpha_value;
bool visible;
bool flip_immediate;
bool horizontal_mirror;
union surface_update_flags update_flags;
/* private to DC core */
struct dc_plane_status status;
struct dc_context *ctx;
/* private to dc_surface.c */
enum dc_irq_source irq_source;
struct kref refcount;
};
struct dc_plane_info {
union plane_size plane_size;
union dc_tiling_info tiling_info;
struct dc_plane_dcc_param dcc;
enum surface_pixel_format format;
enum dc_rotation_angle rotation;
enum plane_stereo_format stereo_format;
enum dc_color_space color_space;
unsigned int sdr_white_level;
bool horizontal_mirror;
bool visible;
bool per_pixel_alpha;
bool global_alpha;
int global_alpha_value;
bool input_csc_enabled;
};
struct dc_scaling_info {
struct rect src_rect;
struct rect dst_rect;
struct rect clip_rect;
struct scaling_taps scaling_quality;
};
struct dc_surface_update {
struct dc_plane_state *surface;
/* isr safe update parameters. null means no updates */
const struct dc_flip_addrs *flip_addr;
const struct dc_plane_info *plane_info;
const struct dc_scaling_info *scaling_info;
/* following updates require alloc/sleep/spin that is not isr safe,
* null means no updates
*/
const struct dc_gamma *gamma;
const struct dc_transfer_func *in_transfer_func;
const struct dc_csc_transform *input_csc_color_matrix;
const struct fixed31_32 *coeff_reduction_factor;
};
/*
* Create a new surface with default parameters;
*/
struct dc_plane_state *dc_create_plane_state(struct dc *dc);
const struct dc_plane_status *dc_plane_get_status(
const struct dc_plane_state *plane_state);
void dc_plane_state_retain(struct dc_plane_state *plane_state);
void dc_plane_state_release(struct dc_plane_state *plane_state);
void dc_gamma_retain(struct dc_gamma *dc_gamma);
void dc_gamma_release(struct dc_gamma **dc_gamma);
struct dc_gamma *dc_create_gamma(void);
void dc_transfer_func_retain(struct dc_transfer_func *dc_tf);
void dc_transfer_func_release(struct dc_transfer_func *dc_tf);
struct dc_transfer_func *dc_create_transfer_func(void);
/*
* This structure holds a surface address. There could be multiple addresses
* in cases such as Stereo 3D, Planar YUV, etc. Other per-flip attributes such
* as frame durations and DCC format can also be set.
*/
struct dc_flip_addrs {
struct dc_plane_address address;
unsigned int flip_timestamp_in_us;
bool flip_immediate;
/* TODO: add flip duration for FreeSync */
};
bool dc_post_update_surfaces_to_stream(
struct dc *dc);
#include "dc_stream.h"
/*
* Structure to store surface/stream associations for validation
*/
struct dc_validation_set {
struct dc_stream_state *stream;
struct dc_plane_state *plane_states[MAX_SURFACES];
uint8_t plane_count;
};
bool dc_validate_seamless_boot_timing(const struct dc *dc,
const struct dc_sink *sink,
struct dc_crtc_timing *crtc_timing);
enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state);
void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info);
enum dc_status dc_validate_global_state(
struct dc *dc,
struct dc_state *new_ctx);
void dc_resource_state_construct(
const struct dc *dc,
struct dc_state *dst_ctx);
void dc_resource_state_copy_construct(
const struct dc_state *src_ctx,
struct dc_state *dst_ctx);
void dc_resource_state_copy_construct_current(
const struct dc *dc,
struct dc_state *dst_ctx);
void dc_resource_state_destruct(struct dc_state *context);
/*
* TODO update to make it about validation sets
* Set up streams and links associated to drive sinks
* The streams parameter is an absolute set of all active streams.
*
* After this call:
* Phy, Encoder, Timing Generator are programmed and enabled.
* New streams are enabled with blank stream; no memory read.
*/
bool dc_commit_state(struct dc *dc, struct dc_state *context);
struct dc_state *dc_create_state(void);
void dc_retain_state(struct dc_state *context);
void dc_release_state(struct dc_state *context);
/*******************************************************************************
* Link Interfaces
******************************************************************************/
struct dpcd_caps {
union dpcd_rev dpcd_rev;
union max_lane_count max_ln_count;
union max_down_spread max_down_spread;
/* valid only for eDP v1.4 or higher*/
uint8_t edp_supported_link_rates_count;
enum dc_link_rate edp_supported_link_rates[8];
/* dongle type (DP converter, CV smart dongle) */
enum display_dongle_type dongle_type;
/* Dongle's downstream count. */
union sink_count sink_count;
/* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
struct dc_dongle_caps dongle_caps;
uint32_t sink_dev_id;
int8_t sink_dev_id_str[6];
int8_t sink_hw_revision;
int8_t sink_fw_revision[2];
uint32_t branch_dev_id;
int8_t branch_dev_name[6];
int8_t branch_hw_revision;
int8_t branch_fw_revision[2];
bool allow_invalid_MSA_timing_param;
bool panel_mode_edp;
bool dpcd_display_control_capable;
};
#include "dc_link.h"
/*******************************************************************************
* Sink Interfaces - A sink corresponds to a display output device
******************************************************************************/
struct dc_container_id {
// 128bit GUID in binary form
unsigned char guid[16];
// 8 byte port ID -> ELD.PortID
unsigned int portId[2];
// 128bit GUID in binary formufacturer name -> ELD.ManufacturerName
unsigned short manufacturerName;
// 2 byte product code -> ELD.ProductCode
unsigned short productCode;
};
/*
* The sink structure contains EDID and other display device properties
*/
struct dc_sink {
enum signal_type sink_signal;
struct dc_edid dc_edid; /* raw edid */
struct dc_edid_caps edid_caps; /* parse display caps */
struct dc_container_id *dc_container_id;
uint32_t dongle_max_pix_clk;
void *priv;
struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
bool converter_disable_audio;
/* private to DC core */
struct dc_link *link;
struct dc_context *ctx;
uint32_t sink_id;
/* private to dc_sink.c */
// refcount must be the last member in dc_sink, since we want the
// sink structure to be logically cloneable up to (but not including)
// refcount
struct kref refcount;
};
void dc_sink_retain(struct dc_sink *sink);
void dc_sink_release(struct dc_sink *sink);
struct dc_sink_init_data {
enum signal_type sink_signal;
struct dc_link *link;
uint32_t dongle_max_pix_clk;
bool converter_disable_audio;
};
struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
/* Newer interfaces */
struct dc_cursor {
struct dc_plane_address address;
struct dc_cursor_attributes attributes;
};
/*******************************************************************************
* Interrupt interfaces
******************************************************************************/
enum dc_irq_source dc_interrupt_to_irq_source(
struct dc *dc,
uint32_t src_id,
uint32_t ext_id);
bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable);
void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src);
enum dc_irq_source dc_get_hpd_irq_source_at_index(
struct dc *dc, uint32_t link_index);
/*******************************************************************************
* Power Interfaces
******************************************************************************/
void dc_set_power_state(
struct dc *dc,
enum dc_acpi_cm_power_state power_state);
void dc_resume(struct dc *dc);
unsigned int dc_get_current_backlight_pwm(struct dc *dc);
unsigned int dc_get_target_backlight_pwm(struct dc *dc);
bool dc_is_dmcu_initialized(struct dc *dc);
#endif /* DC_INTERFACE_H_ */
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