/* SPDX-License-Identifier: MIT */ /* * Copyright © 2023 Intel Corporation */ #ifndef __INTEL_DISPLAY_DEVICE_H__ #define __INTEL_DISPLAY_DEVICE_H__ #include #include "intel_display_limits.h" struct drm_i915_private; struct drm_printer; #define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \ /* Keep in alphabetical order */ \ func(cursor_needs_physical); \ func(has_cdclk_crawl); \ func(has_cdclk_squash); \ func(has_ddi); \ func(has_dp_mst); \ func(has_dsb); \ func(has_fpga_dbg); \ func(has_gmch); \ func(has_hotplug); \ func(has_hti); \ func(has_ipc); \ func(has_overlay); \ func(has_psr); \ func(has_psr_hw_tracking); \ func(overlay_needs_physical); \ func(supports_tv); #define HAS_4TILE(i915) (IS_DG2(i915) || DISPLAY_VER(i915) >= 14) #define HAS_ASYNC_FLIPS(i915) (DISPLAY_VER(i915) >= 5) #define HAS_CDCLK_CRAWL(i915) (DISPLAY_INFO(i915)->has_cdclk_crawl) #define HAS_CDCLK_SQUASH(i915) (DISPLAY_INFO(i915)->has_cdclk_squash) #define HAS_CUR_FBC(i915) (!HAS_GMCH(i915) && IS_DISPLAY_VER(i915, 7, 13)) #define HAS_D12_PLANE_MINIMIZATION(i915) (IS_ROCKETLAKE(i915) || IS_ALDERLAKE_S(i915)) #define HAS_DDI(i915) (DISPLAY_INFO(i915)->has_ddi) #define HAS_DISPLAY(i915) (DISPLAY_RUNTIME_INFO(i915)->pipe_mask != 0) #define HAS_DMC(i915) (DISPLAY_RUNTIME_INFO(i915)->has_dmc) #define HAS_DOUBLE_BUFFERED_M_N(i915) (DISPLAY_VER(i915) >= 9 || IS_BROADWELL(i915)) #define HAS_DP_MST(i915) (DISPLAY_INFO(i915)->has_dp_mst) #define HAS_DP20(i915) (IS_DG2(i915) || DISPLAY_VER(i915) >= 14) #define HAS_DPT(i915) (DISPLAY_VER(i915) >= 13) #define HAS_DSB(i915) (DISPLAY_INFO(i915)->has_dsb) #define HAS_DSC(__i915) (DISPLAY_RUNTIME_INFO(__i915)->has_dsc) #define HAS_FBC(i915) (DISPLAY_RUNTIME_INFO(i915)->fbc_mask != 0) #define HAS_FPGA_DBG_UNCLAIMED(i915) (DISPLAY_INFO(i915)->has_fpga_dbg) #define HAS_FW_BLC(i915) (DISPLAY_VER(i915) >= 3) #define HAS_GMBUS_IRQ(i915) (DISPLAY_VER(i915) >= 4) #define HAS_GMBUS_BURST_READ(i915) (DISPLAY_VER(i915) >= 10 || IS_KABYLAKE(i915)) #define HAS_GMCH(i915) (DISPLAY_INFO(i915)->has_gmch) #define HAS_HW_SAGV_WM(i915) (DISPLAY_VER(i915) >= 13 && !IS_DGFX(i915)) #define HAS_IPC(i915) (DISPLAY_INFO(i915)->has_ipc) #define HAS_IPS(i915) (IS_HASWELL_ULT(i915) || IS_BROADWELL(i915)) #define HAS_LRR(i915) (DISPLAY_VER(i915) >= 12) #define HAS_LSPCON(i915) (IS_DISPLAY_VER(i915, 9, 10)) #define HAS_MBUS_JOINING(i915) (IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14) #define HAS_MSO(i915) (DISPLAY_VER(i915) >= 12) #define HAS_OVERLAY(i915) (DISPLAY_INFO(i915)->has_overlay) #define HAS_PSR(i915) (DISPLAY_INFO(i915)->has_psr) #define HAS_PSR_HW_TRACKING(i915) (DISPLAY_INFO(i915)->has_psr_hw_tracking) #define HAS_PSR2_SEL_FETCH(i915) (DISPLAY_VER(i915) >= 12) #define HAS_SAGV(i915) (DISPLAY_VER(i915) >= 9 && !IS_LP(i915)) #define HAS_TRANSCODER(i915, trans) ((DISPLAY_RUNTIME_INFO(i915)->cpu_transcoder_mask & \ BIT(trans)) != 0) #define HAS_VRR(i915) (DISPLAY_VER(i915) >= 11) #define INTEL_NUM_PIPES(i915) (hweight8(DISPLAY_RUNTIME_INFO(i915)->pipe_mask)) #define I915_HAS_HOTPLUG(i915) (DISPLAY_INFO(i915)->has_hotplug) #define OVERLAY_NEEDS_PHYSICAL(i915) (DISPLAY_INFO(i915)->overlay_needs_physical) #define SUPPORTS_TV(i915) (DISPLAY_INFO(i915)->supports_tv) /* Check that device has a display IP version within the specific range. */ #define IS_DISPLAY_IP_RANGE(__i915, from, until) ( \ BUILD_BUG_ON_ZERO((from) < IP_VER(2, 0)) + \ (DISPLAY_VER_FULL(__i915) >= (from) && \ DISPLAY_VER_FULL(__i915) <= (until))) /* * Check if a device has a specific IP version as well as a stepping within the * specified range [from, until). The lower bound is inclusive, the upper * bound is exclusive. The most common use-case of this macro is for checking * bounds for workarounds, which usually have a stepping ("from") at which the * hardware issue is first present and another stepping ("until") at which a * hardware fix is present and the software workaround is no longer necessary. * E.g., * * IS_DISPLAY_IP_STEP(i915, IP_VER(14, 0), STEP_A0, STEP_B2) * IS_DISPLAY_IP_STEP(i915, IP_VER(14, 0), STEP_C0, STEP_FOREVER) * * "STEP_FOREVER" can be passed as "until" for workarounds that have no upper * stepping bound for the specified IP version. */ #define IS_DISPLAY_IP_STEP(__i915, ipver, from, until) \ (IS_DISPLAY_IP_RANGE((__i915), (ipver), (ipver)) && \ IS_DISPLAY_STEP((__i915), (from), (until))) #define DISPLAY_INFO(i915) ((i915)->display.info.__device_info) #define DISPLAY_RUNTIME_INFO(i915) (&(i915)->display.info.__runtime_info) #define DISPLAY_VER(i915) (DISPLAY_RUNTIME_INFO(i915)->ip.ver) #define DISPLAY_VER_FULL(i915) IP_VER(DISPLAY_RUNTIME_INFO(i915)->ip.ver, \ DISPLAY_RUNTIME_INFO(i915)->ip.rel) #define IS_DISPLAY_VER(i915, from, until) \ (DISPLAY_VER(i915) >= (from) && DISPLAY_VER(i915) <= (until)) struct intel_display_runtime_info { struct { u16 ver; u16 rel; u16 step; } ip; u8 pipe_mask; u8 cpu_transcoder_mask; u16 port_mask; u8 num_sprites[I915_MAX_PIPES]; u8 num_scalers[I915_MAX_PIPES]; u8 fbc_mask; bool has_hdcp; bool has_dmc; bool has_dsc; }; struct intel_display_device_info { /* Initial runtime info. */ const struct intel_display_runtime_info __runtime_defaults; u8 abox_mask; struct { u16 size; /* in blocks */ u8 slice_mask; } dbuf; #define DEFINE_FLAG(name) u8 name:1 DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG); #undef DEFINE_FLAG /* Global register offset for the display engine */ u32 mmio_offset; /* Register offsets for the various display pipes and transcoders */ u32 pipe_offsets[I915_MAX_TRANSCODERS]; u32 trans_offsets[I915_MAX_TRANSCODERS]; u32 cursor_offsets[I915_MAX_PIPES]; struct { u32 degamma_lut_size; u32 gamma_lut_size; u32 degamma_lut_tests; u32 gamma_lut_tests; } color; }; bool intel_display_device_enabled(struct drm_i915_private *i915); void intel_display_device_probe(struct drm_i915_private *i915); void intel_display_device_remove(struct drm_i915_private *i915); void intel_display_device_info_runtime_init(struct drm_i915_private *i915); void intel_display_device_info_print(const struct intel_display_device_info *info, const struct intel_display_runtime_info *runtime, struct drm_printer *p); #endif