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// SPDX-License-Identifier: MIT
/*
* Copyright © 2022 Intel Corporation
*/
#include "xe_tuning.h"
#include <kunit/visibility.h>
#include "regs/xe_gt_regs.h"
#include "xe_gt_types.h"
#include "xe_platform_types.h"
#include "xe_rtp.h"
#undef XE_REG_MCR
#define XE_REG_MCR(...) XE_REG(__VA_ARGS__, .mcr = 1)
static const struct xe_rtp_entry_sr gt_tunings[] = {
{ XE_RTP_NAME("Tuning: Blend Fill Caching Optimization Disable"),
XE_RTP_RULES(PLATFORM(DG2)),
XE_RTP_ACTIONS(SET(XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS))
},
{ XE_RTP_NAME("Tuning: 32B Access Enable"),
XE_RTP_RULES(PLATFORM(DG2)),
XE_RTP_ACTIONS(SET(XEHP_SQCM, EN_32B_ACCESS))
},
/* Xe2 */
{ XE_RTP_NAME("Tuning: L3 cache"),
XE_RTP_RULES(GRAPHICS_VERSION(2004)),
XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
},
{ XE_RTP_NAME("Tuning: L3 cache - media"),
XE_RTP_RULES(MEDIA_VERSION(2000)),
XE_RTP_ACTIONS(FIELD_SET(XE2LPM_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
},
{ XE_RTP_NAME("Tuning: Compression Overfetch"),
XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2004, XE_RTP_END_VERSION_UNDEFINED)),
XE_RTP_ACTIONS(CLR(CCCHKNREG1, ENCOMPPERFFIX)),
},
{ XE_RTP_NAME("Tuning: Enable compressible partial write overfetch in L3"),
XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2004, XE_RTP_END_VERSION_UNDEFINED)),
XE_RTP_ACTIONS(SET(L3SQCREG3, COMPPWOVERFETCHEN))
},
{}
};
static const struct xe_rtp_entry_sr engine_tunings[] = {
{ XE_RTP_NAME("Tuning: Set Indirect State Override"),
XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1271),
ENGINE_CLASS(RENDER)),
XE_RTP_ACTIONS(SET(SAMPLER_MODE, INDIRECT_STATE_BASE_ADDR_OVERRIDE))
},
{}
};
static const struct xe_rtp_entry_sr lrc_tunings[] = {
{ XE_RTP_NAME("Tuning: ganged timer, also known as 16011163337"),
XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1210), ENGINE_CLASS(RENDER)),
/* read verification is ignored due to 1608008084. */
XE_RTP_ACTIONS(FIELD_SET_NO_READ_MASK(FF_MODE2,
FF_MODE2_GS_TIMER_MASK,
FF_MODE2_GS_TIMER_224))
},
/* DG2 */
{ XE_RTP_NAME("Tuning: L3 cache"),
XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
},
{ XE_RTP_NAME("Tuning: TDS gang timer"),
XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
/* read verification is ignored as in i915 - need to check enabling */
XE_RTP_ACTIONS(FIELD_SET_NO_READ_MASK(XEHP_FF_MODE2,
FF_MODE2_TDS_TIMER_MASK,
FF_MODE2_TDS_TIMER_128))
},
{ XE_RTP_NAME("Tuning: TBIMR fast clip"),
XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
XE_RTP_ACTIONS(SET(CHICKEN_RASTER_2, TBIMR_FAST_CLIP))
},
/* Xe_LPG */
{ XE_RTP_NAME("Tuning: L3 cache"),
XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1270, 1271), ENGINE_CLASS(RENDER)),
XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
},
{}
};
void xe_tuning_process_gt(struct xe_gt *gt)
{
struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(gt);
xe_rtp_process_to_sr(&ctx, gt_tunings, >->reg_sr);
}
EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_gt);
void xe_tuning_process_engine(struct xe_hw_engine *hwe)
{
struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
xe_rtp_process_to_sr(&ctx, engine_tunings, &hwe->reg_sr);
}
EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_engine);
/**
* xe_tuning_process_lrc - process lrc tunings
* @hwe: engine instance to process tunings for
*
* Process LRC table for this platform, saving in @hwe all the tunings that need
* to be applied on context restore. These are tunings touching registers that
* are part of the HW context image.
*/
void xe_tuning_process_lrc(struct xe_hw_engine *hwe)
{
struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
xe_rtp_process_to_sr(&ctx, lrc_tunings, &hwe->reg_lrc);
}
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