diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/gen8_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 113 |
1 files changed, 68 insertions, 45 deletions
diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index b1b9c3fd7bf9..9529c5455bc3 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -6,7 +6,6 @@ #include "gen8_engine_cs.h" #include "i915_drv.h" #include "intel_gpu_commands.h" -#include "intel_gt_regs.h" #include "intel_lrc.h" #include "intel_ring.h" @@ -165,33 +164,9 @@ static u32 preparser_disable(bool state) return MI_ARB_CHECK | 1 << 8 | state; } -static i915_reg_t aux_inv_reg(const struct intel_engine_cs *engine) +u32 *gen12_emit_aux_table_inv(u32 *cs, const i915_reg_t inv_reg) { - static const i915_reg_t vd[] = { - GEN12_VD0_AUX_NV, - GEN12_VD1_AUX_NV, - GEN12_VD2_AUX_NV, - GEN12_VD3_AUX_NV, - }; - - static const i915_reg_t ve[] = { - GEN12_VE0_AUX_NV, - GEN12_VE1_AUX_NV, - }; - - if (engine->class == VIDEO_DECODE_CLASS) - return vd[engine->instance]; - - if (engine->class == VIDEO_ENHANCEMENT_CLASS) - return ve[engine->instance]; - - GEM_BUG_ON("unknown aux_inv reg\n"); - return INVALID_MMIO_REG; -} - -static u32 *gen12_emit_aux_table_inv(const i915_reg_t inv_reg, u32 *cs) -{ - *cs++ = MI_LOAD_REGISTER_IMM(1); + *cs++ = MI_LOAD_REGISTER_IMM(1) | MI_LRI_MMIO_REMAP_EN; *cs++ = i915_mmio_reg_offset(inv_reg); *cs++ = AUX_INV; *cs++ = MI_NOOP; @@ -236,7 +211,7 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) if (mode & EMIT_INVALIDATE) { u32 flags = 0; - u32 *cs; + u32 *cs, count; flags |= PIPE_CONTROL_COMMAND_CACHE_INVALIDATE; flags |= PIPE_CONTROL_TLB_INVALIDATE; @@ -254,7 +229,12 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) if (engine->class == COMPUTE_CLASS) flags &= ~PIPE_CONTROL_3D_FLAGS; - cs = intel_ring_begin(rq, 8 + 4); + if (!HAS_FLAT_CCS(rq->engine->i915)) + count = 8 + 4; + else + count = 8; + + cs = intel_ring_begin(rq, count); if (IS_ERR(cs)) return PTR_ERR(cs); @@ -267,8 +247,10 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR); - /* hsdes: 1809175790 */ - cs = gen12_emit_aux_table_inv(GEN12_GFX_CCS_AUX_NV, cs); + if (!HAS_FLAT_CCS(rq->engine->i915)) { + /* hsdes: 1809175790 */ + cs = gen12_emit_aux_table_inv(cs, GEN12_GFX_CCS_AUX_NV); + } *cs++ = preparser_disable(false); intel_ring_advance(rq, cs); @@ -283,12 +265,17 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) u32 cmd, *cs; cmd = 4; - if (mode & EMIT_INVALIDATE) + if (mode & EMIT_INVALIDATE) { cmd += 2; - if (mode & EMIT_INVALIDATE) - aux_inv = rq->engine->mask & ~BIT(BCS0); - if (aux_inv) - cmd += 2 * hweight32(aux_inv) + 2; + + if (!HAS_FLAT_CCS(rq->engine->i915) && + (rq->engine->class == VIDEO_DECODE_CLASS || + rq->engine->class == VIDEO_ENHANCEMENT_CLASS)) { + aux_inv = rq->engine->mask & ~BIT(BCS0); + if (aux_inv) + cmd += 4; + } + } cs = intel_ring_begin(rq, cmd); if (IS_ERR(cs)) @@ -319,15 +306,10 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) *cs++ = 0; /* value */ if (aux_inv) { /* hsdes: 1809175790 */ - struct intel_engine_cs *engine; - unsigned int tmp; - - *cs++ = MI_LOAD_REGISTER_IMM(hweight32(aux_inv)); - for_each_engine_masked(engine, rq->engine->gt, aux_inv, tmp) { - *cs++ = i915_mmio_reg_offset(aux_inv_reg(engine)); - *cs++ = AUX_INV; - } - *cs++ = MI_NOOP; + if (rq->engine->class == VIDEO_DECODE_CLASS) + cs = gen12_emit_aux_table_inv(cs, GEN12_VD0_AUX_NV); + else + cs = gen12_emit_aux_table_inv(cs, GEN12_VE0_AUX_NV); } if (mode & EMIT_INVALIDATE) @@ -601,6 +583,43 @@ static u32 *gen12_emit_preempt_busywait(struct i915_request *rq, u32 *cs) return cs; } +/* Wa_14014475959:dg2 */ +#define CCS_SEMAPHORE_PPHWSP_OFFSET 0x540 +static u32 ccs_semaphore_offset(struct i915_request *rq) +{ + return i915_ggtt_offset(rq->context->state) + + (LRC_PPHWSP_PN * PAGE_SIZE) + CCS_SEMAPHORE_PPHWSP_OFFSET; +} + +/* Wa_14014475959:dg2 */ +static u32 *ccs_emit_wa_busywait(struct i915_request *rq, u32 *cs) +{ + int i; + + *cs++ = MI_ATOMIC_INLINE | MI_ATOMIC_GLOBAL_GTT | MI_ATOMIC_CS_STALL | + MI_ATOMIC_MOVE; + *cs++ = ccs_semaphore_offset(rq); + *cs++ = 0; + *cs++ = 1; + + /* + * When MI_ATOMIC_INLINE_DATA set this command must be 11 DW + (1 NOP) + * to align. 4 DWs above + 8 filler DWs here. + */ + for (i = 0; i < 8; ++i) + *cs++ = 0; + + *cs++ = MI_SEMAPHORE_WAIT | + MI_SEMAPHORE_GLOBAL_GTT | + MI_SEMAPHORE_POLL | + MI_SEMAPHORE_SAD_EQ_SDD; + *cs++ = 0; + *cs++ = ccs_semaphore_offset(rq); + *cs++ = 0; + + return cs; +} + static __always_inline u32* gen12_emit_fini_breadcrumb_tail(struct i915_request *rq, u32 *cs) { @@ -611,6 +630,10 @@ gen12_emit_fini_breadcrumb_tail(struct i915_request *rq, u32 *cs) !intel_uc_uses_guc_submission(&rq->engine->gt->uc)) cs = gen12_emit_preempt_busywait(rq, cs); + /* Wa_14014475959:dg2 */ + if (intel_engine_uses_wa_hold_ccs_switchout(rq->engine)) + cs = ccs_emit_wa_busywait(rq, cs); + rq->tail = intel_ring_offset(rq, cs); assert_ring_tail_valid(rq->ring, rq->tail); |