1// SPDX-License-Identifier: MIT
  2/*
  3 * Copyright © 2022 Intel Corporation
  4 */
  5
  6#include "xe_tuning.h"
  7
  8#include <kunit/visibility.h>
  9
 10#include "regs/xe_gt_regs.h"
 11#include "xe_gt_types.h"
 12#include "xe_platform_types.h"
 13#include "xe_rtp.h"
 14
 15#undef XE_REG_MCR
 16#define XE_REG_MCR(...)     XE_REG(__VA_ARGS__, .mcr = 1)
 17
 18static const struct xe_rtp_entry_sr gt_tunings[] = {
 19	{ XE_RTP_NAME("Tuning: Blend Fill Caching Optimization Disable"),
 20	  XE_RTP_RULES(PLATFORM(DG2)),
 21	  XE_RTP_ACTIONS(SET(XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS))
 22	},
 23	{ XE_RTP_NAME("Tuning: 32B Access Enable"),
 24	  XE_RTP_RULES(PLATFORM(DG2)),
 25	  XE_RTP_ACTIONS(SET(XEHP_SQCM, EN_32B_ACCESS))
 26	},
 27
 28	/* Xe2 */
 29
 30	{ XE_RTP_NAME("Tuning: L3 cache"),
 31	  XE_RTP_RULES(GRAPHICS_VERSION(2004)),
 32	  XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
 33				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
 34	},
 35	{ XE_RTP_NAME("Tuning: L3 cache - media"),
 36	  XE_RTP_RULES(MEDIA_VERSION(2000)),
 37	  XE_RTP_ACTIONS(FIELD_SET(XE2LPM_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
 38				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
 39	},
 40	{ XE_RTP_NAME("Tuning: Compression Overfetch"),
 41	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2004, XE_RTP_END_VERSION_UNDEFINED)),
 42	  XE_RTP_ACTIONS(CLR(CCCHKNREG1, ENCOMPPERFFIX)),
 43	},
 44	{ XE_RTP_NAME("Tuning: Enable compressible partial write overfetch in L3"),
 45	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2004, XE_RTP_END_VERSION_UNDEFINED)),
 46	  XE_RTP_ACTIONS(SET(L3SQCREG3, COMPPWOVERFETCHEN))
 47	},
 48	{}
 49};
 50
 51static const struct xe_rtp_entry_sr engine_tunings[] = {
 52	{ XE_RTP_NAME("Tuning: Set Indirect State Override"),
 53	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1271),
 54		       ENGINE_CLASS(RENDER)),
 55	  XE_RTP_ACTIONS(SET(SAMPLER_MODE, INDIRECT_STATE_BASE_ADDR_OVERRIDE))
 56	},
 57	{}
 58};
 59
 60static const struct xe_rtp_entry_sr lrc_tunings[] = {
 61	{ XE_RTP_NAME("Tuning: ganged timer, also known as 16011163337"),
 62	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1210), ENGINE_CLASS(RENDER)),
 63	  /* read verification is ignored due to 1608008084. */
 64	  XE_RTP_ACTIONS(FIELD_SET_NO_READ_MASK(FF_MODE2,
 65						FF_MODE2_GS_TIMER_MASK,
 66						FF_MODE2_GS_TIMER_224))
 67	},
 68
 69	/* DG2 */
 70
 71	{ XE_RTP_NAME("Tuning: L3 cache"),
 72	  XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
 73	  XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
 74				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
 75	},
 76	{ XE_RTP_NAME("Tuning: TDS gang timer"),
 77	  XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
 78	  /* read verification is ignored as in i915 - need to check enabling */
 79	  XE_RTP_ACTIONS(FIELD_SET_NO_READ_MASK(XEHP_FF_MODE2,
 80						FF_MODE2_TDS_TIMER_MASK,
 81						FF_MODE2_TDS_TIMER_128))
 82	},
 83	{ XE_RTP_NAME("Tuning: TBIMR fast clip"),
 84	  XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
 85	  XE_RTP_ACTIONS(SET(CHICKEN_RASTER_2, TBIMR_FAST_CLIP))
 86	},
 87
 88	/* Xe_LPG */
 89
 90	{ XE_RTP_NAME("Tuning: L3 cache"),
 91	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1270, 1271), ENGINE_CLASS(RENDER)),
 92	  XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
 93				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
 94	},
 95
 96	{}
 97};
 98
 99void xe_tuning_process_gt(struct xe_gt *gt)
100{
101	struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(gt);
102
103	xe_rtp_process_to_sr(&ctx, gt_tunings, &gt->reg_sr);
104}
105EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_gt);
106
107void xe_tuning_process_engine(struct xe_hw_engine *hwe)
108{
109	struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
110
111	xe_rtp_process_to_sr(&ctx, engine_tunings, &hwe->reg_sr);
112}
113EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_engine);
114
115/**
116 * xe_tuning_process_lrc - process lrc tunings
117 * @hwe: engine instance to process tunings for
118 *
119 * Process LRC table for this platform, saving in @hwe all the tunings that need
120 * to be applied on context restore. These are tunings touching registers that
121 * are part of the HW context image.
122 */
123void xe_tuning_process_lrc(struct xe_hw_engine *hwe)
124{
125	struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
126
127	xe_rtp_process_to_sr(&ctx, lrc_tunings, &hwe->reg_lrc);
128}