diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_lrc.c')
-rw-r--r-- | drivers/gpu/drm/xe/xe_lrc.c | 841 |
1 files changed, 841 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c new file mode 100644 index 000000000000..056c2c5a0b81 --- /dev/null +++ b/drivers/gpu/drm/xe/xe_lrc.c @@ -0,0 +1,841 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2021 Intel Corporation + */ + +#include "xe_lrc.h" + +#include "xe_bo.h" +#include "xe_device.h" +#include "xe_engine_types.h" +#include "xe_gt.h" +#include "xe_map.h" +#include "xe_hw_fence.h" +#include "xe_vm.h" + +#include "i915_reg.h" +#include "gt/intel_gpu_commands.h" +#include "gt/intel_gt_regs.h" +#include "gt/intel_lrc_reg.h" +#include "gt/intel_engine_regs.h" + +#define GEN8_CTX_VALID (1 << 0) +#define GEN8_CTX_L3LLC_COHERENT (1 << 5) +#define GEN8_CTX_PRIVILEGE (1 << 8) +#define GEN8_CTX_ADDRESSING_MODE_SHIFT 3 +#define INTEL_LEGACY_64B_CONTEXT 3 + +#define GEN11_ENGINE_CLASS_SHIFT 61 +#define GEN11_ENGINE_INSTANCE_SHIFT 48 + +static struct xe_device * +lrc_to_xe(struct xe_lrc *lrc) +{ + return gt_to_xe(lrc->fence_ctx.gt); +} + +size_t xe_lrc_size(struct xe_device *xe, enum xe_engine_class class) +{ + switch (class) { + case XE_ENGINE_CLASS_RENDER: + case XE_ENGINE_CLASS_COMPUTE: + /* 14 pages since graphics_ver == 11 */ + return 14 * SZ_4K; + default: + WARN(1, "Unknown engine class: %d", class); + fallthrough; + case XE_ENGINE_CLASS_COPY: + case XE_ENGINE_CLASS_VIDEO_DECODE: + case XE_ENGINE_CLASS_VIDEO_ENHANCE: + return 2 * SZ_4K; + } +} + +/* + * The per-platform tables are u8-encoded in @data. Decode @data and set the + * addresses' offset and commands in @regs. The following encoding is used + * for each byte. There are 2 steps: decoding commands and decoding addresses. + * + * Commands: + * [7]: create NOPs - number of NOPs are set in lower bits + * [6]: When creating MI_LOAD_REGISTER_IMM command, allow to set + * MI_LRI_FORCE_POSTED + * [5:0]: Number of NOPs or registers to set values to in case of + * MI_LOAD_REGISTER_IMM + * + * Addresses: these are decoded after a MI_LOAD_REGISTER_IMM command by "count" + * number of registers. They are set by using the REG/REG16 macros: the former + * is used for offsets smaller than 0x200 while the latter is for values bigger + * than that. Those macros already set all the bits documented below correctly: + * + * [7]: When a register offset needs more than 6 bits, use additional bytes, to + * follow, for the lower bits + * [6:0]: Register offset, without considering the engine base. + * + * This function only tweaks the commands and register offsets. Values are not + * filled out. + */ +static void set_offsets(u32 *regs, + const u8 *data, + const struct xe_hw_engine *hwe) +#define NOP(x) (BIT(7) | (x)) +#define LRI(count, flags) ((flags) << 6 | (count) | \ + BUILD_BUG_ON_ZERO(count >= BIT(6))) +#define POSTED BIT(0) +#define REG(x) (((x) >> 2) | BUILD_BUG_ON_ZERO(x >= 0x200)) +#define REG16(x) \ + (((x) >> 9) | BIT(7) | BUILD_BUG_ON_ZERO(x >= 0x10000)), \ + (((x) >> 2) & 0x7f) +#define END 0 +{ + const u32 base = hwe->mmio_base; + + while (*data) { + u8 count, flags; + + if (*data & BIT(7)) { /* skip */ + count = *data++ & ~BIT(7); + regs += count; + continue; + } + + count = *data & 0x3f; + flags = *data >> 6; + data++; + + *regs = MI_LOAD_REGISTER_IMM(count); + if (flags & POSTED) + *regs |= MI_LRI_FORCE_POSTED; + *regs |= MI_LRI_LRM_CS_MMIO; + regs++; + + XE_BUG_ON(!count); + do { + u32 offset = 0; + u8 v; + + do { + v = *data++; + offset <<= 7; + offset |= v & ~BIT(7); + } while (v & BIT(7)); + + regs[0] = base + (offset << 2); + regs += 2; + } while (--count); + } + + *regs = MI_BATCH_BUFFER_END | BIT(0); +} + +static const u8 gen12_xcs_offsets[] = { + NOP(1), + LRI(13, POSTED), + REG16(0x244), + REG(0x034), + REG(0x030), + REG(0x038), + REG(0x03c), + REG(0x168), + REG(0x140), + REG(0x110), + REG(0x1c0), + REG(0x1c4), + REG(0x1c8), + REG(0x180), + REG16(0x2b4), + + NOP(5), + LRI(9, POSTED), + REG16(0x3a8), + REG16(0x28c), + REG16(0x288), + REG16(0x284), + REG16(0x280), + REG16(0x27c), + REG16(0x278), + REG16(0x274), + REG16(0x270), + + END +}; + +static const u8 dg2_xcs_offsets[] = { + NOP(1), + LRI(15, POSTED), + REG16(0x244), + REG(0x034), + REG(0x030), + REG(0x038), + REG(0x03c), + REG(0x168), + REG(0x140), + REG(0x110), + REG(0x1c0), + REG(0x1c4), + REG(0x1c8), + REG(0x180), + REG16(0x2b4), + REG(0x120), + REG(0x124), + + NOP(1), + LRI(9, POSTED), + REG16(0x3a8), + REG16(0x28c), + REG16(0x288), + REG16(0x284), + REG16(0x280), + REG16(0x27c), + REG16(0x278), + REG16(0x274), + REG16(0x270), + + END +}; + +static const u8 gen12_rcs_offsets[] = { + NOP(1), + LRI(13, POSTED), + REG16(0x244), + REG(0x034), + REG(0x030), + REG(0x038), + REG(0x03c), + REG(0x168), + REG(0x140), + REG(0x110), + REG(0x1c0), + REG(0x1c4), + REG(0x1c8), + REG(0x180), + REG16(0x2b4), + + NOP(5), + LRI(9, POSTED), + REG16(0x3a8), + REG16(0x28c), + REG16(0x288), + REG16(0x284), + REG16(0x280), + REG16(0x27c), + REG16(0x278), + REG16(0x274), + REG16(0x270), + + LRI(3, POSTED), + REG(0x1b0), + REG16(0x5a8), + REG16(0x5ac), + + NOP(6), + LRI(1, 0), + REG(0x0c8), + NOP(3 + 9 + 1), + + LRI(51, POSTED), + REG16(0x588), + REG16(0x588), + REG16(0x588), + REG16(0x588), + REG16(0x588), + REG16(0x588), + REG(0x028), + REG(0x09c), + REG(0x0c0), + REG(0x178), + REG(0x17c), + REG16(0x358), + REG(0x170), + REG(0x150), + REG(0x154), + REG(0x158), + REG16(0x41c), + REG16(0x600), + REG16(0x604), + REG16(0x608), + REG16(0x60c), + REG16(0x610), + REG16(0x614), + REG16(0x618), + REG16(0x61c), + REG16(0x620), + REG16(0x624), + REG16(0x628), + REG16(0x62c), + REG16(0x630), + REG16(0x634), + REG16(0x638), + REG16(0x63c), + REG16(0x640), + REG16(0x644), + REG16(0x648), + REG16(0x64c), + REG16(0x650), + REG16(0x654), + REG16(0x658), + REG16(0x65c), + REG16(0x660), + REG16(0x664), + REG16(0x668), + REG16(0x66c), + REG16(0x670), + REG16(0x674), + REG16(0x678), + REG16(0x67c), + REG(0x068), + REG(0x084), + NOP(1), + + END +}; + +static const u8 xehp_rcs_offsets[] = { + NOP(1), + LRI(13, POSTED), + REG16(0x244), + REG(0x034), + REG(0x030), + REG(0x038), + REG(0x03c), + REG(0x168), + REG(0x140), + REG(0x110), + REG(0x1c0), + REG(0x1c4), + REG(0x1c8), + REG(0x180), + REG16(0x2b4), + + NOP(5), + LRI(9, POSTED), + REG16(0x3a8), + REG16(0x28c), + REG16(0x288), + REG16(0x284), + REG16(0x280), + REG16(0x27c), + REG16(0x278), + REG16(0x274), + REG16(0x270), + + LRI(3, POSTED), + REG(0x1b0), + REG16(0x5a8), + REG16(0x5ac), + + NOP(6), + LRI(1, 0), + REG(0x0c8), + + END +}; + +static const u8 dg2_rcs_offsets[] = { + NOP(1), + LRI(15, POSTED), + REG16(0x244), + REG(0x034), + REG(0x030), + REG(0x038), + REG(0x03c), + REG(0x168), + REG(0x140), + REG(0x110), + REG(0x1c0), + REG(0x1c4), + REG(0x1c8), + REG(0x180), + REG16(0x2b4), + REG(0x120), + REG(0x124), + + NOP(1), + LRI(9, POSTED), + REG16(0x3a8), + REG16(0x28c), + REG16(0x288), + REG16(0x284), + REG16(0x280), + REG16(0x27c), + REG16(0x278), + REG16(0x274), + REG16(0x270), + + LRI(3, POSTED), + REG(0x1b0), + REG16(0x5a8), + REG16(0x5ac), + + NOP(6), + LRI(1, 0), + REG(0x0c8), + + END +}; + +static const u8 mtl_rcs_offsets[] = { + NOP(1), + LRI(15, POSTED), + REG16(0x244), + REG(0x034), + REG(0x030), + REG(0x038), + REG(0x03c), + REG(0x168), + REG(0x140), + REG(0x110), + REG(0x1c0), + REG(0x1c4), + REG(0x1c8), + REG(0x180), + REG16(0x2b4), + REG(0x120), + REG(0x124), + + NOP(1), + LRI(9, POSTED), + REG16(0x3a8), + REG16(0x28c), + REG16(0x288), + REG16(0x284), + REG16(0x280), + REG16(0x27c), + REG16(0x278), + REG16(0x274), + REG16(0x270), + + NOP(2), + LRI(2, POSTED), + REG16(0x5a8), + REG16(0x5ac), + + NOP(6), + LRI(1, 0), + REG(0x0c8), + + END +}; + +#undef END +#undef REG16 +#undef REG +#undef LRI +#undef NOP + +static const u8 *reg_offsets(struct xe_device *xe, enum xe_engine_class class) +{ + if (class == XE_ENGINE_CLASS_RENDER) { + if (GRAPHICS_VERx100(xe) >= 1270) + return mtl_rcs_offsets; + else if (GRAPHICS_VERx100(xe) >= 1255) + return dg2_rcs_offsets; + else if (GRAPHICS_VERx100(xe) >= 1250) + return xehp_rcs_offsets; + else + return gen12_rcs_offsets; + } else { + if (GRAPHICS_VERx100(xe) >= 1255) + return dg2_xcs_offsets; + else + return gen12_xcs_offsets; + } +} + +static void set_context_control(u32 * regs, struct xe_hw_engine *hwe) +{ + regs[CTX_CONTEXT_CONTROL] = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH) | + _MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT) | + CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT; + + /* TODO: Timestamp */ +} + +static int lrc_ring_mi_mode(struct xe_hw_engine *hwe) +{ + struct xe_device *xe = gt_to_xe(hwe->gt); + + if (GRAPHICS_VERx100(xe) >= 1250) + return 0x70; + else + return 0x60; +} + +static void reset_stop_ring(u32 *regs, struct xe_hw_engine *hwe) +{ + int x; + + x = lrc_ring_mi_mode(hwe); + regs[x + 1] &= ~STOP_RING; + regs[x + 1] |= STOP_RING << 16; +} + +static inline u32 __xe_lrc_ring_offset(struct xe_lrc *lrc) +{ + return 0; +} + +u32 xe_lrc_pphwsp_offset(struct xe_lrc *lrc) +{ + return lrc->ring.size; +} + +/* Make the magic macros work */ +#define __xe_lrc_pphwsp_offset xe_lrc_pphwsp_offset + +#define LRC_SEQNO_PPHWSP_OFFSET 512 +#define LRC_START_SEQNO_PPHWSP_OFFSET LRC_SEQNO_PPHWSP_OFFSET + 8 +#define LRC_PARALLEL_PPHWSP_OFFSET 2048 +#define LRC_PPHWSP_SIZE SZ_4K + +static size_t lrc_reg_size(struct xe_device *xe) +{ + if (GRAPHICS_VERx100(xe) >= 1250) + return 96 * sizeof(u32); + else + return 80 * sizeof(u32); +} + +size_t xe_lrc_skip_size(struct xe_device *xe) +{ + return LRC_PPHWSP_SIZE + lrc_reg_size(xe); +} + +static inline u32 __xe_lrc_seqno_offset(struct xe_lrc *lrc) +{ + /* The seqno is stored in the driver-defined portion of PPHWSP */ + return xe_lrc_pphwsp_offset(lrc) + LRC_SEQNO_PPHWSP_OFFSET; +} + +static inline u32 __xe_lrc_start_seqno_offset(struct xe_lrc *lrc) +{ + /* The start seqno is stored in the driver-defined portion of PPHWSP */ + return xe_lrc_pphwsp_offset(lrc) + LRC_START_SEQNO_PPHWSP_OFFSET; +} + +static inline u32 __xe_lrc_parallel_offset(struct xe_lrc *lrc) +{ + /* The parallel is stored in the driver-defined portion of PPHWSP */ + return xe_lrc_pphwsp_offset(lrc) + LRC_PARALLEL_PPHWSP_OFFSET; +} + +static inline u32 __xe_lrc_regs_offset(struct xe_lrc *lrc) +{ + return xe_lrc_pphwsp_offset(lrc) + LRC_PPHWSP_SIZE; +} + +#define DECL_MAP_ADDR_HELPERS(elem) \ +static inline struct iosys_map __xe_lrc_##elem##_map(struct xe_lrc *lrc) \ +{ \ + struct iosys_map map = lrc->bo->vmap; \ +\ + XE_BUG_ON(iosys_map_is_null(&map)); \ + iosys_map_incr(&map, __xe_lrc_##elem##_offset(lrc)); \ + return map; \ +} \ +static inline u32 __xe_lrc_##elem##_ggtt_addr(struct xe_lrc *lrc) \ +{ \ + return xe_bo_ggtt_addr(lrc->bo) + __xe_lrc_##elem##_offset(lrc); \ +} \ + +DECL_MAP_ADDR_HELPERS(ring) +DECL_MAP_ADDR_HELPERS(pphwsp) +DECL_MAP_ADDR_HELPERS(seqno) +DECL_MAP_ADDR_HELPERS(regs) +DECL_MAP_ADDR_HELPERS(start_seqno) +DECL_MAP_ADDR_HELPERS(parallel) + +#undef DECL_MAP_ADDR_HELPERS + +u32 xe_lrc_ggtt_addr(struct xe_lrc *lrc) +{ + return __xe_lrc_pphwsp_ggtt_addr(lrc); +} + +u32 xe_lrc_read_ctx_reg(struct xe_lrc *lrc, int reg_nr) +{ + struct xe_device *xe = lrc_to_xe(lrc); + struct iosys_map map; + + map = __xe_lrc_regs_map(lrc); + iosys_map_incr(&map, reg_nr * sizeof(u32)); + return xe_map_read32(xe, &map); +} + +void xe_lrc_write_ctx_reg(struct xe_lrc *lrc, int reg_nr, u32 val) +{ + struct xe_device *xe = lrc_to_xe(lrc); + struct iosys_map map; + + map = __xe_lrc_regs_map(lrc); + iosys_map_incr(&map, reg_nr * sizeof(u32)); + xe_map_write32(xe, &map, val); +} + +static void *empty_lrc_data(struct xe_hw_engine *hwe) +{ + struct xe_device *xe = gt_to_xe(hwe->gt); + void *data; + u32 *regs; + + data = kzalloc(xe_lrc_size(xe, hwe->class), GFP_KERNEL); + if (!data) + return NULL; + + /* 1st page: Per-Process of HW status Page */ + regs = data + LRC_PPHWSP_SIZE; + set_offsets(regs, reg_offsets(xe, hwe->class), hwe); + set_context_control(regs, hwe); + reset_stop_ring(regs, hwe); + + return data; +} + +static void xe_lrc_set_ppgtt(struct xe_lrc *lrc, struct xe_vm *vm) +{ + u64 desc = xe_vm_pdp4_descriptor(vm, lrc->full_gt); + + xe_lrc_write_ctx_reg(lrc, CTX_PDP0_UDW, upper_32_bits(desc)); + xe_lrc_write_ctx_reg(lrc, CTX_PDP0_LDW, lower_32_bits(desc)); +} + +#define PVC_CTX_ASID (0x2e + 1) +#define PVC_CTX_ACC_CTR_THOLD (0x2a + 1) +#define ACC_GRANULARITY_S 20 +#define ACC_NOTIFY_S 16 + +int xe_lrc_init(struct xe_lrc *lrc, struct xe_hw_engine *hwe, + struct xe_engine *e, struct xe_vm *vm, u32 ring_size) +{ + struct xe_gt *gt = hwe->gt; + struct xe_device *xe = gt_to_xe(gt); + struct iosys_map map; + void *init_data = NULL; + u32 arb_enable; + int err; + + lrc->flags = 0; + + lrc->bo = xe_bo_create_locked(xe, hwe->gt, vm, + ring_size + xe_lrc_size(xe, hwe->class), + ttm_bo_type_kernel, + XE_BO_CREATE_VRAM_IF_DGFX(hwe->gt) | + XE_BO_CREATE_GGTT_BIT); + if (IS_ERR(lrc->bo)) + return PTR_ERR(lrc->bo); + + if (xe_gt_is_media_type(hwe->gt)) + lrc->full_gt = xe_find_full_gt(hwe->gt); + else + lrc->full_gt = hwe->gt; + + /* + * FIXME: Perma-pinning LRC as we don't yet support moving GGTT address + * via VM bind calls. + */ + err = xe_bo_pin(lrc->bo); + if (err) + goto err_unlock_put_bo; + lrc->flags |= XE_LRC_PINNED; + + err = xe_bo_vmap(lrc->bo); + if (err) + goto err_unpin_bo; + + xe_bo_unlock_vm_held(lrc->bo); + + lrc->ring.size = ring_size; + lrc->ring.tail = 0; + + xe_hw_fence_ctx_init(&lrc->fence_ctx, hwe->gt, + hwe->fence_irq, hwe->name); + + if (!gt->default_lrc[hwe->class]) { + init_data = empty_lrc_data(hwe); + if (!init_data) { + xe_lrc_finish(lrc); + return -ENOMEM; + } + } + + /* + * Init Per-Process of HW status Page, LRC / context state to known + * values + */ + map = __xe_lrc_pphwsp_map(lrc); + if (!init_data) { + xe_map_memset(xe, &map, 0, 0, LRC_PPHWSP_SIZE); /* PPHWSP */ + xe_map_memcpy_to(xe, &map, LRC_PPHWSP_SIZE, + gt->default_lrc[hwe->class] + LRC_PPHWSP_SIZE, + xe_lrc_size(xe, hwe->class) - LRC_PPHWSP_SIZE); + } else { + xe_map_memcpy_to(xe, &map, 0, init_data, + xe_lrc_size(xe, hwe->class)); + kfree(init_data); + } + + if (vm) + xe_lrc_set_ppgtt(lrc, vm); + + xe_lrc_write_ctx_reg(lrc, CTX_RING_START, __xe_lrc_ring_ggtt_addr(lrc)); + xe_lrc_write_ctx_reg(lrc, CTX_RING_HEAD, 0); + xe_lrc_write_ctx_reg(lrc, CTX_RING_TAIL, lrc->ring.tail); + xe_lrc_write_ctx_reg(lrc, CTX_RING_CTL, + RING_CTL_SIZE(lrc->ring.size) | RING_VALID); + if (xe->info.supports_usm && vm) { + xe_lrc_write_ctx_reg(lrc, PVC_CTX_ASID, + (e->usm.acc_granularity << + ACC_GRANULARITY_S) | vm->usm.asid); + xe_lrc_write_ctx_reg(lrc, PVC_CTX_ACC_CTR_THOLD, + (e->usm.acc_notify << ACC_NOTIFY_S) | + e->usm.acc_trigger); + } + + lrc->desc = GEN8_CTX_VALID; + lrc->desc |= INTEL_LEGACY_64B_CONTEXT << GEN8_CTX_ADDRESSING_MODE_SHIFT; + /* TODO: Priority */ + + /* While this appears to have something about privileged batches or + * some such, it really just means PPGTT mode. + */ + if (vm) + lrc->desc |= GEN8_CTX_PRIVILEGE; + + if (GRAPHICS_VERx100(xe) < 1250) { + lrc->desc |= (u64)hwe->instance << GEN11_ENGINE_INSTANCE_SHIFT; + lrc->desc |= (u64)hwe->class << GEN11_ENGINE_CLASS_SHIFT; + } + + arb_enable = MI_ARB_ON_OFF | MI_ARB_ENABLE; + xe_lrc_write_ring(lrc, &arb_enable, sizeof(arb_enable)); + + return 0; + +err_unpin_bo: + if (lrc->flags & XE_LRC_PINNED) + xe_bo_unpin(lrc->bo); +err_unlock_put_bo: + xe_bo_unlock_vm_held(lrc->bo); + xe_bo_put(lrc->bo); + return err; +} + +void xe_lrc_finish(struct xe_lrc *lrc) +{ + struct ww_acquire_ctx ww; + + xe_hw_fence_ctx_finish(&lrc->fence_ctx); + if (lrc->flags & XE_LRC_PINNED) { + if (lrc->bo->vm) + xe_vm_lock(lrc->bo->vm, &ww, 0, false); + else + xe_bo_lock_no_vm(lrc->bo, NULL); + xe_bo_unpin(lrc->bo); + if (lrc->bo->vm) + xe_vm_unlock(lrc->bo->vm, &ww); + else + xe_bo_unlock_no_vm(lrc->bo); + } + xe_bo_put(lrc->bo); +} + +void xe_lrc_set_ring_head(struct xe_lrc *lrc, u32 head) +{ + xe_lrc_write_ctx_reg(lrc, CTX_RING_HEAD, head); +} + +u32 xe_lrc_ring_head(struct xe_lrc *lrc) +{ + return xe_lrc_read_ctx_reg(lrc, CTX_RING_HEAD) & HEAD_ADDR; +} + +u32 xe_lrc_ring_space(struct xe_lrc *lrc) +{ + const u32 head = xe_lrc_ring_head(lrc); + const u32 tail = lrc->ring.tail; + const u32 size = lrc->ring.size; + + return ((head - tail - 1) & (size - 1)) + 1; +} + +static void __xe_lrc_write_ring(struct xe_lrc *lrc, struct iosys_map ring, + const void *data, size_t size) +{ + struct xe_device *xe = lrc_to_xe(lrc); + + iosys_map_incr(&ring, lrc->ring.tail); + xe_map_memcpy_to(xe, &ring, 0, data, size); + lrc->ring.tail = (lrc->ring.tail + size) & (lrc->ring.size - 1); +} + +void xe_lrc_write_ring(struct xe_lrc *lrc, const void *data, size_t size) +{ + struct iosys_map ring; + u32 rhs; + size_t aligned_size; + + XE_BUG_ON(!IS_ALIGNED(size, 4)); + aligned_size = ALIGN(size, 8); + + ring = __xe_lrc_ring_map(lrc); + + XE_BUG_ON(lrc->ring.tail >= lrc->ring.size); + rhs = lrc->ring.size - lrc->ring.tail; + if (size > rhs) { + __xe_lrc_write_ring(lrc, ring, data, rhs); + __xe_lrc_write_ring(lrc, ring, data + rhs, size - rhs); + } else { + __xe_lrc_write_ring(lrc, ring, data, size); + } + + if (aligned_size > size) { + u32 noop = MI_NOOP; + + __xe_lrc_write_ring(lrc, ring, &noop, sizeof(noop)); + } +} + +u64 xe_lrc_descriptor(struct xe_lrc *lrc) +{ + return lrc->desc | xe_lrc_ggtt_addr(lrc); +} + +u32 xe_lrc_seqno_ggtt_addr(struct xe_lrc *lrc) +{ + return __xe_lrc_seqno_ggtt_addr(lrc); +} + +struct dma_fence *xe_lrc_create_seqno_fence(struct xe_lrc *lrc) +{ + return &xe_hw_fence_create(&lrc->fence_ctx, + __xe_lrc_seqno_map(lrc))->dma; +} + +s32 xe_lrc_seqno(struct xe_lrc *lrc) +{ + struct iosys_map map = __xe_lrc_seqno_map(lrc); + + return xe_map_read32(lrc_to_xe(lrc), &map); +} + +s32 xe_lrc_start_seqno(struct xe_lrc *lrc) +{ + struct iosys_map map = __xe_lrc_start_seqno_map(lrc); + + return xe_map_read32(lrc_to_xe(lrc), &map); +} + +u32 xe_lrc_start_seqno_ggtt_addr(struct xe_lrc *lrc) +{ + return __xe_lrc_start_seqno_ggtt_addr(lrc); +} + +u32 xe_lrc_parallel_ggtt_addr(struct xe_lrc *lrc) +{ + return __xe_lrc_parallel_ggtt_addr(lrc); +} + +struct iosys_map xe_lrc_parallel_map(struct xe_lrc *lrc) +{ + return __xe_lrc_parallel_map(lrc); +} |