Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Zhi Wang | 1154 | 33.42% | 12 | 16.67% |
Weinan Li | 1093 | 31.65% | 9 | 12.50% |
Changbin Du | 361 | 10.45% | 5 | 6.94% |
Chris Wilson | 283 | 8.20% | 8 | 11.11% |
Zhao Yan | 179 | 5.18% | 5 | 6.94% |
Xu Han | 71 | 2.06% | 1 | 1.39% |
Zhenyu Wang | 51 | 1.48% | 4 | 5.56% |
Matt Roper | 49 | 1.42% | 4 | 5.56% |
Arkadiusz Hiler | 38 | 1.10% | 1 | 1.39% |
Xiong Zhang | 35 | 1.01% | 2 | 2.78% |
Colin Xu | 24 | 0.70% | 3 | 4.17% |
Chuanxiao Dong | 22 | 0.64% | 2 | 2.78% |
Daniele Ceraolo Spurio | 22 | 0.64% | 3 | 4.17% |
Hang Yuan | 12 | 0.35% | 1 | 1.39% |
Xinyun Liu | 11 | 0.32% | 2 | 2.78% |
Pankaj Bharadiya | 10 | 0.29% | 2 | 2.78% |
fred gao | 10 | 0.29% | 1 | 1.39% |
Lucas De Marchi | 9 | 0.26% | 1 | 1.39% |
Ping Gao | 8 | 0.23% | 1 | 1.39% |
Tina Zhang | 4 | 0.12% | 2 | 2.78% |
Jani Nikula | 3 | 0.09% | 1 | 1.39% |
Jike Song | 3 | 0.09% | 1 | 1.39% |
Jiapeng Chong | 1 | 0.03% | 1 | 1.39% |
Total | 3453 | 72 |
/* * Copyright(c) 2011-2016 Intel Corporation. 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 (including the next * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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: * Eddie Dong <eddie.dong@intel.com> * Kevin Tian <kevin.tian@intel.com> * * Contributors: * Zhi Wang <zhi.a.wang@intel.com> * Changbin Du <changbin.du@intel.com> * Zhenyu Wang <zhenyuw@linux.intel.com> * Tina Zhang <tina.zhang@intel.com> * Bing Niu <bing.niu@intel.com> * */ #include "i915_drv.h" #include "i915_reg.h" #include "gt/intel_context.h" #include "gt/intel_engine_regs.h" #include "gt/intel_gpu_commands.h" #include "gt/intel_gt_regs.h" #include "gt/intel_ring.h" #include "gvt.h" #include "trace.h" #define GEN9_MOCS_SIZE 64 /* Raw offset is appened to each line for convenience. */ static struct engine_mmio gen8_engine_mmio_list[] __cacheline_aligned = { {RCS0, RING_MODE_GEN7(RENDER_RING_BASE), 0xffff, false}, /* 0x229c */ {RCS0, GEN9_CTX_PREEMPT_REG, 0x0, false}, /* 0x2248 */ {RCS0, HWSTAM, 0x0, false}, /* 0x2098 */ {RCS0, INSTPM, 0xffff, true}, /* 0x20c0 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 0), 0, false}, /* 0x24d0 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 1), 0, false}, /* 0x24d4 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 2), 0, false}, /* 0x24d8 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 3), 0, false}, /* 0x24dc */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 4), 0, false}, /* 0x24e0 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 5), 0, false}, /* 0x24e4 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 6), 0, false}, /* 0x24e8 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 7), 0, false}, /* 0x24ec */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 8), 0, false}, /* 0x24f0 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 9), 0, false}, /* 0x24f4 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 10), 0, false}, /* 0x24f8 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 11), 0, false}, /* 0x24fc */ {RCS0, CACHE_MODE_1, 0xffff, true}, /* 0x7004 */ {RCS0, GEN7_GT_MODE, 0xffff, true}, /* 0x7008 */ {RCS0, CACHE_MODE_0_GEN7, 0xffff, true}, /* 0x7000 */ {RCS0, GEN7_COMMON_SLICE_CHICKEN1, 0xffff, true}, /* 0x7010 */ {RCS0, HDC_CHICKEN0, 0xffff, true}, /* 0x7300 */ {RCS0, VF_GUARDBAND, 0xffff, true}, /* 0x83a4 */ {BCS0, RING_GFX_MODE(BLT_RING_BASE), 0xffff, false}, /* 0x2229c */ {BCS0, RING_MI_MODE(BLT_RING_BASE), 0xffff, false}, /* 0x2209c */ {BCS0, RING_INSTPM(BLT_RING_BASE), 0xffff, false}, /* 0x220c0 */ {BCS0, RING_HWSTAM(BLT_RING_BASE), 0x0, false}, /* 0x22098 */ {BCS0, RING_EXCC(BLT_RING_BASE), 0xffff, false}, /* 0x22028 */ {RCS0, INVALID_MMIO_REG, 0, false } /* Terminated */ }; static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = { {RCS0, RING_MODE_GEN7(RENDER_RING_BASE), 0xffff, false}, /* 0x229c */ {RCS0, GEN9_CTX_PREEMPT_REG, 0x0, false}, /* 0x2248 */ {RCS0, HWSTAM, 0x0, false}, /* 0x2098 */ {RCS0, INSTPM, 0xffff, true}, /* 0x20c0 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 0), 0, false}, /* 0x24d0 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 1), 0, false}, /* 0x24d4 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 2), 0, false}, /* 0x24d8 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 3), 0, false}, /* 0x24dc */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 4), 0, false}, /* 0x24e0 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 5), 0, false}, /* 0x24e4 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 6), 0, false}, /* 0x24e8 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 7), 0, false}, /* 0x24ec */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 8), 0, false}, /* 0x24f0 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 9), 0, false}, /* 0x24f4 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 10), 0, false}, /* 0x24f8 */ {RCS0, RING_FORCE_TO_NONPRIV(RENDER_RING_BASE, 11), 0, false}, /* 0x24fc */ {RCS0, CACHE_MODE_1, 0xffff, true}, /* 0x7004 */ {RCS0, GEN7_GT_MODE, 0xffff, true}, /* 0x7008 */ {RCS0, CACHE_MODE_0_GEN7, 0xffff, true}, /* 0x7000 */ {RCS0, GEN7_COMMON_SLICE_CHICKEN1, 0xffff, true}, /* 0x7010 */ {RCS0, HDC_CHICKEN0, 0xffff, true}, /* 0x7300 */ {RCS0, VF_GUARDBAND, 0xffff, true}, /* 0x83a4 */ {RCS0, GEN8_PRIVATE_PAT_LO, 0, false}, /* 0x40e0 */ {RCS0, GEN8_PRIVATE_PAT_HI, 0, false}, /* 0x40e4 */ {RCS0, GEN8_CS_CHICKEN1, 0xffff, true}, /* 0x2580 */ {RCS0, COMMON_SLICE_CHICKEN2, 0xffff, true}, /* 0x7014 */ {RCS0, GEN9_CS_DEBUG_MODE1, 0xffff, false}, /* 0x20ec */ {RCS0, _MMIO(0xb118), 0, false}, /* GEN8_L3SQCREG4 */ {RCS0, _MMIO(0xb11c), 0, false}, /* GEN9_SCRATCH1 */ {RCS0, GEN9_SCRATCH_LNCF1, 0, false}, /* 0xb008 */ {RCS0, GEN7_HALF_SLICE_CHICKEN1, 0xffff, true}, /* 0xe100 */ {RCS0, _MMIO(0xe180), 0xffff, true}, /* HALF_SLICE_CHICKEN2 */ {RCS0, _MMIO(0xe184), 0xffff, true}, /* GEN8_HALF_SLICE_CHICKEN3 */ {RCS0, _MMIO(0xe188), 0xffff, true}, /* GEN9_HALF_SLICE_CHICKEN5 */ {RCS0, _MMIO(0xe194), 0xffff, true}, /* GEN9_HALF_SLICE_CHICKEN7 */ {RCS0, _MMIO(0xe4f0), 0xffff, true}, /* GEN8_ROW_CHICKEN */ {RCS0, TRVATTL3PTRDW(0), 0, true}, /* 0x4de0 */ {RCS0, TRVATTL3PTRDW(1), 0, true}, /* 0x4de4 */ {RCS0, TRNULLDETCT, 0, true}, /* 0x4de8 */ {RCS0, TRINVTILEDETCT, 0, true}, /* 0x4dec */ {RCS0, TRVADR, 0, true}, /* 0x4df0 */ {RCS0, TRTTE, 0, true}, /* 0x4df4 */ {RCS0, _MMIO(0x4dfc), 0, true}, {BCS0, RING_GFX_MODE(BLT_RING_BASE), 0xffff, false}, /* 0x2229c */ {BCS0, RING_MI_MODE(BLT_RING_BASE), 0xffff, false}, /* 0x2209c */ {BCS0, RING_INSTPM(BLT_RING_BASE), 0xffff, false}, /* 0x220c0 */ {BCS0, RING_HWSTAM(BLT_RING_BASE), 0x0, false}, /* 0x22098 */ {BCS0, RING_EXCC(BLT_RING_BASE), 0xffff, false}, /* 0x22028 */ {VCS1, RING_EXCC(GEN8_BSD2_RING_BASE), 0xffff, false}, /* 0x1c028 */ {VECS0, RING_EXCC(VEBOX_RING_BASE), 0xffff, false}, /* 0x1a028 */ {RCS0, GEN8_HDC_CHICKEN1, 0xffff, true}, /* 0x7304 */ {RCS0, GEN9_CTX_PREEMPT_REG, 0x0, false}, /* 0x2248 */ {RCS0, GEN7_UCGCTL4, 0x0, false}, /* 0x940c */ {RCS0, GAMT_CHKN_BIT_REG, 0x0, false}, /* 0x4ab8 */ {RCS0, GEN9_GAMT_ECO_REG_RW_IA, 0x0, false}, /* 0x4ab0 */ {RCS0, GEN9_CSFE_CHICKEN1_RCS, 0xffff, false}, /* 0x20d4 */ {RCS0, _MMIO(0x20D8), 0xffff, true}, /* 0x20d8 */ {RCS0, GEN8_GARBCNTL, 0x0, false}, /* 0xb004 */ {RCS0, GEN7_FF_THREAD_MODE, 0x0, false}, /* 0x20a0 */ {RCS0, FF_SLICE_CS_CHICKEN2, 0xffff, false}, /* 0x20e4 */ {RCS0, INVALID_MMIO_REG, 0, false } /* Terminated */ }; static struct { bool initialized; u32 control_table[I915_NUM_ENGINES][GEN9_MOCS_SIZE]; u32 l3cc_table[GEN9_MOCS_SIZE / 2]; } gen9_render_mocs; static u32 gen9_mocs_mmio_offset_list[] = { [RCS0] = 0xc800, [VCS0] = 0xc900, [VCS1] = 0xca00, [BCS0] = 0xcc00, [VECS0] = 0xcb00, }; static void load_render_mocs(const struct intel_engine_cs *engine) { struct intel_gvt *gvt = engine->i915->gvt; struct intel_uncore *uncore = engine->uncore; u32 cnt = gvt->engine_mmio_list.mocs_mmio_offset_list_cnt; u32 *regs = gvt->engine_mmio_list.mocs_mmio_offset_list; i915_reg_t offset; int ring_id, i; /* Platform doesn't have mocs mmios. */ if (!regs) return; for (ring_id = 0; ring_id < cnt; ring_id++) { if (!HAS_ENGINE(engine->gt, ring_id)) continue; offset.reg = regs[ring_id]; for (i = 0; i < GEN9_MOCS_SIZE; i++) { gen9_render_mocs.control_table[ring_id][i] = intel_uncore_read_fw(uncore, offset); offset.reg += 4; } } offset.reg = 0xb020; for (i = 0; i < GEN9_MOCS_SIZE / 2; i++) { gen9_render_mocs.l3cc_table[i] = intel_uncore_read_fw(uncore, offset); offset.reg += 4; } gen9_render_mocs.initialized = true; } static int restore_context_mmio_for_inhibit(struct intel_vgpu *vgpu, struct i915_request *req) { u32 *cs; int ret; struct engine_mmio *mmio; struct intel_gvt *gvt = vgpu->gvt; int ring_id = req->engine->id; int count = gvt->engine_mmio_list.ctx_mmio_count[ring_id]; if (count == 0) return 0; ret = req->engine->emit_flush(req, EMIT_BARRIER); if (ret) return ret; cs = intel_ring_begin(req, count * 2 + 2); if (IS_ERR(cs)) return PTR_ERR(cs); *cs++ = MI_LOAD_REGISTER_IMM(count); for (mmio = gvt->engine_mmio_list.mmio; i915_mmio_reg_valid(mmio->reg); mmio++) { if (mmio->id != ring_id || !mmio->in_context) continue; *cs++ = i915_mmio_reg_offset(mmio->reg); *cs++ = vgpu_vreg_t(vgpu, mmio->reg) | (mmio->mask << 16); gvt_dbg_core("add lri reg pair 0x%x:0x%x in inhibit ctx, vgpu:%d, rind_id:%d\n", *(cs-2), *(cs-1), vgpu->id, ring_id); } *cs++ = MI_NOOP; intel_ring_advance(req, cs); ret = req->engine->emit_flush(req, EMIT_BARRIER); if (ret) return ret; return 0; } static int restore_render_mocs_control_for_inhibit(struct intel_vgpu *vgpu, struct i915_request *req) { unsigned int index; u32 *cs; cs = intel_ring_begin(req, 2 * GEN9_MOCS_SIZE + 2); if (IS_ERR(cs)) return PTR_ERR(cs); *cs++ = MI_LOAD_REGISTER_IMM(GEN9_MOCS_SIZE); for (index = 0; index < GEN9_MOCS_SIZE; index++) { *cs++ = i915_mmio_reg_offset(GEN9_GFX_MOCS(index)); *cs++ = vgpu_vreg_t(vgpu, GEN9_GFX_MOCS(index)); gvt_dbg_core("add lri reg pair 0x%x:0x%x in inhibit ctx, vgpu:%d, rind_id:%d\n", *(cs-2), *(cs-1), vgpu->id, req->engine->id); } *cs++ = MI_NOOP; intel_ring_advance(req, cs); return 0; } static int restore_render_mocs_l3cc_for_inhibit(struct intel_vgpu *vgpu, struct i915_request *req) { unsigned int index; u32 *cs; cs = intel_ring_begin(req, 2 * GEN9_MOCS_SIZE / 2 + 2); if (IS_ERR(cs)) return PTR_ERR(cs); *cs++ = MI_LOAD_REGISTER_IMM(GEN9_MOCS_SIZE / 2); for (index = 0; index < GEN9_MOCS_SIZE / 2; index++) { *cs++ = i915_mmio_reg_offset(GEN9_LNCFCMOCS(index)); *cs++ = vgpu_vreg_t(vgpu, GEN9_LNCFCMOCS(index)); gvt_dbg_core("add lri reg pair 0x%x:0x%x in inhibit ctx, vgpu:%d, rind_id:%d\n", *(cs-2), *(cs-1), vgpu->id, req->engine->id); } *cs++ = MI_NOOP; intel_ring_advance(req, cs); return 0; } /* * Use lri command to initialize the mmio which is in context state image for * inhibit context, it contains tracked engine mmio, render_mocs and * render_mocs_l3cc. */ int intel_vgpu_restore_inhibit_context(struct intel_vgpu *vgpu, struct i915_request *req) { int ret; u32 *cs; cs = intel_ring_begin(req, 2); if (IS_ERR(cs)) return PTR_ERR(cs); *cs++ = MI_ARB_ON_OFF | MI_ARB_DISABLE; *cs++ = MI_NOOP; intel_ring_advance(req, cs); ret = restore_context_mmio_for_inhibit(vgpu, req); if (ret) goto out; /* no MOCS register in context except render engine */ if (req->engine->id != RCS0) goto out; ret = restore_render_mocs_control_for_inhibit(vgpu, req); if (ret) goto out; ret = restore_render_mocs_l3cc_for_inhibit(vgpu, req); if (ret) goto out; out: cs = intel_ring_begin(req, 2); if (IS_ERR(cs)) return PTR_ERR(cs); *cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; *cs++ = MI_NOOP; intel_ring_advance(req, cs); return ret; } static u32 gen8_tlb_mmio_offset_list[] = { [RCS0] = 0x4260, [VCS0] = 0x4264, [VCS1] = 0x4268, [BCS0] = 0x426c, [VECS0] = 0x4270, }; static void handle_tlb_pending_event(struct intel_vgpu *vgpu, const struct intel_engine_cs *engine) { struct intel_uncore *uncore = engine->uncore; struct intel_vgpu_submission *s = &vgpu->submission; u32 *regs = vgpu->gvt->engine_mmio_list.tlb_mmio_offset_list; u32 cnt = vgpu->gvt->engine_mmio_list.tlb_mmio_offset_list_cnt; enum forcewake_domains fw; i915_reg_t reg; if (!regs) return; if (drm_WARN_ON(&engine->i915->drm, engine->id >= cnt)) return; if (!test_and_clear_bit(engine->id, (void *)s->tlb_handle_pending)) return; reg = _MMIO(regs[engine->id]); /* WaForceWakeRenderDuringMmioTLBInvalidate:skl * we need to put a forcewake when invalidating RCS TLB caches, * otherwise device can go to RC6 state and interrupt invalidation * process */ fw = intel_uncore_forcewake_for_reg(uncore, reg, FW_REG_READ | FW_REG_WRITE); if (engine->id == RCS0 && GRAPHICS_VER(engine->i915) >= 9) fw |= FORCEWAKE_RENDER; intel_uncore_forcewake_get(uncore, fw); intel_uncore_write_fw(uncore, reg, 0x1); if (wait_for_atomic(intel_uncore_read_fw(uncore, reg) == 0, 50)) gvt_vgpu_err("timeout in invalidate ring %s tlb\n", engine->name); else vgpu_vreg_t(vgpu, reg) = 0; intel_uncore_forcewake_put(uncore, fw); gvt_dbg_core("invalidate TLB for ring %s\n", engine->name); } static void switch_mocs(struct intel_vgpu *pre, struct intel_vgpu *next, const struct intel_engine_cs *engine) { u32 regs[] = { [RCS0] = 0xc800, [VCS0] = 0xc900, [VCS1] = 0xca00, [BCS0] = 0xcc00, [VECS0] = 0xcb00, }; struct intel_uncore *uncore = engine->uncore; i915_reg_t offset, l3_offset; u32 old_v, new_v; int i; if (drm_WARN_ON(&engine->i915->drm, engine->id >= ARRAY_SIZE(regs))) return; if (engine->id == RCS0 && GRAPHICS_VER(engine->i915) == 9) return; if (!pre && !gen9_render_mocs.initialized) load_render_mocs(engine); offset.reg = regs[engine->id]; for (i = 0; i < GEN9_MOCS_SIZE; i++) { if (pre) old_v = vgpu_vreg_t(pre, offset); else old_v = gen9_render_mocs.control_table[engine->id][i]; if (next) new_v = vgpu_vreg_t(next, offset); else new_v = gen9_render_mocs.control_table[engine->id][i]; if (old_v != new_v) intel_uncore_write_fw(uncore, offset, new_v); offset.reg += 4; } if (engine->id == RCS0) { l3_offset.reg = 0xb020; for (i = 0; i < GEN9_MOCS_SIZE / 2; i++) { if (pre) old_v = vgpu_vreg_t(pre, l3_offset); else old_v = gen9_render_mocs.l3cc_table[i]; if (next) new_v = vgpu_vreg_t(next, l3_offset); else new_v = gen9_render_mocs.l3cc_table[i]; if (old_v != new_v) intel_uncore_write_fw(uncore, l3_offset, new_v); l3_offset.reg += 4; } } } #define CTX_CONTEXT_CONTROL_VAL 0x03 bool is_inhibit_context(struct intel_context *ce) { const u32 *reg_state = ce->lrc_reg_state; u32 inhibit_mask = _MASKED_BIT_ENABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT); return inhibit_mask == (reg_state[CTX_CONTEXT_CONTROL_VAL] & inhibit_mask); } /* Switch ring mmio values (context). */ static void switch_mmio(struct intel_vgpu *pre, struct intel_vgpu *next, const struct intel_engine_cs *engine) { struct intel_uncore *uncore = engine->uncore; struct intel_vgpu_submission *s; struct engine_mmio *mmio; u32 old_v, new_v; if (GRAPHICS_VER(engine->i915) >= 9) switch_mocs(pre, next, engine); for (mmio = engine->i915->gvt->engine_mmio_list.mmio; i915_mmio_reg_valid(mmio->reg); mmio++) { if (mmio->id != engine->id) continue; /* * No need to do save or restore of the mmio which is in context * state image on gen9, it's initialized by lri command and * save or restore with context together. */ if (GRAPHICS_VER(engine->i915) == 9 && mmio->in_context) continue; // save if (pre) { vgpu_vreg_t(pre, mmio->reg) = intel_uncore_read_fw(uncore, mmio->reg); if (mmio->mask) vgpu_vreg_t(pre, mmio->reg) &= ~(mmio->mask << 16); old_v = vgpu_vreg_t(pre, mmio->reg); } else { old_v = mmio->value = intel_uncore_read_fw(uncore, mmio->reg); } // restore if (next) { s = &next->submission; /* * No need to restore the mmio which is in context state * image if it's not inhibit context, it will restore * itself. */ if (mmio->in_context && !is_inhibit_context(s->shadow[engine->id])) continue; if (mmio->mask) new_v = vgpu_vreg_t(next, mmio->reg) | (mmio->mask << 16); else new_v = vgpu_vreg_t(next, mmio->reg); } else { if (mmio->in_context) continue; if (mmio->mask) new_v = mmio->value | (mmio->mask << 16); else new_v = mmio->value; } intel_uncore_write_fw(uncore, mmio->reg, new_v); trace_render_mmio(pre ? pre->id : 0, next ? next->id : 0, "switch", i915_mmio_reg_offset(mmio->reg), old_v, new_v); } if (next) handle_tlb_pending_event(next, engine); } /** * intel_gvt_switch_mmio - switch mmio context of specific engine * @pre: the last vGPU that own the engine * @next: the vGPU to switch to * @engine: the engine * * If pre is null indicates that host own the engine. If next is null * indicates that we are switching to host workload. */ void intel_gvt_switch_mmio(struct intel_vgpu *pre, struct intel_vgpu *next, const struct intel_engine_cs *engine) { if (WARN(!pre && !next, "switch ring %s from host to HOST\n", engine->name)) return; gvt_dbg_render("switch ring %s from %s to %s\n", engine->name, pre ? "vGPU" : "host", next ? "vGPU" : "HOST"); /** * We are using raw mmio access wrapper to improve the * performace for batch mmio read/write, so we need * handle forcewake mannually. */ intel_uncore_forcewake_get(engine->uncore, FORCEWAKE_ALL); switch_mmio(pre, next, engine); intel_uncore_forcewake_put(engine->uncore, FORCEWAKE_ALL); } /** * intel_gvt_init_engine_mmio_context - Initiate the engine mmio list * @gvt: GVT device * */ void intel_gvt_init_engine_mmio_context(struct intel_gvt *gvt) { struct engine_mmio *mmio; if (GRAPHICS_VER(gvt->gt->i915) >= 9) { gvt->engine_mmio_list.mmio = gen9_engine_mmio_list; gvt->engine_mmio_list.tlb_mmio_offset_list = gen8_tlb_mmio_offset_list; gvt->engine_mmio_list.tlb_mmio_offset_list_cnt = ARRAY_SIZE(gen8_tlb_mmio_offset_list); gvt->engine_mmio_list.mocs_mmio_offset_list = gen9_mocs_mmio_offset_list; gvt->engine_mmio_list.mocs_mmio_offset_list_cnt = ARRAY_SIZE(gen9_mocs_mmio_offset_list); } else { gvt->engine_mmio_list.mmio = gen8_engine_mmio_list; gvt->engine_mmio_list.tlb_mmio_offset_list = gen8_tlb_mmio_offset_list; gvt->engine_mmio_list.tlb_mmio_offset_list_cnt = ARRAY_SIZE(gen8_tlb_mmio_offset_list); } for (mmio = gvt->engine_mmio_list.mmio; i915_mmio_reg_valid(mmio->reg); mmio++) { if (mmio->in_context) { gvt->engine_mmio_list.ctx_mmio_count[mmio->id]++; intel_gvt_mmio_set_sr_in_ctx(gvt, mmio->reg.reg); } } }
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