diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_perf.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_perf.c | 184 |
1 files changed, 162 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 081d1dd743e0..247dad57ab89 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -192,6 +192,7 @@ */ #include <linux/anon_inodes.h> +#include <linux/nospec.h> #include <linux/sizes.h> #include <linux/uuid.h> @@ -326,6 +327,12 @@ static const struct i915_oa_format oa_formats[I915_OA_FORMAT_MAX] = { [I915_OA_FORMAT_A32u40_A4u32_B8_C8] = { 5, 256 }, [I915_OAR_FORMAT_A32u40_A4u32_B8_C8] = { 5, 256 }, [I915_OA_FORMAT_A24u40_A14u32_B8_C8] = { 5, 256 }, + [I915_OAM_FORMAT_MPEC8u64_B8_C8] = { 1, 192, TYPE_OAM, HDR_64_BIT }, + [I915_OAM_FORMAT_MPEC8u32_B8_C8] = { 2, 128, TYPE_OAM, HDR_64_BIT }, +}; + +static const u32 mtl_oa_base[] = { + [PERF_GROUP_OAM_SAMEDIA_0] = 0x393000, }; #define SAMPLE_OA_REPORT (1<<0) @@ -418,11 +425,17 @@ static void free_oa_config_bo(struct i915_oa_config_bo *oa_bo) kfree(oa_bo); } +static inline const +struct i915_perf_regs *__oa_regs(struct i915_perf_stream *stream) +{ + return &stream->engine->oa_group->regs; +} + static u32 gen12_oa_hw_tail_read(struct i915_perf_stream *stream) { struct intel_uncore *uncore = stream->uncore; - return intel_uncore_read(uncore, GEN12_OAG_OATAILPTR) & + return intel_uncore_read(uncore, __oa_regs(stream)->oa_tail_ptr) & GEN12_OAG_OATAILPTR_MASK; } @@ -875,7 +888,8 @@ static int gen8_append_oa_reports(struct i915_perf_stream *stream, i915_reg_t oaheadptr; oaheadptr = GRAPHICS_VER(stream->perf->i915) == 12 ? - GEN12_OAG_OAHEADPTR : GEN8_OAHEADPTR; + __oa_regs(stream)->oa_head_ptr : + GEN8_OAHEADPTR; spin_lock_irqsave(&stream->oa_buffer.ptr_lock, flags); @@ -928,7 +942,8 @@ static int gen8_oa_read(struct i915_perf_stream *stream, return -EIO; oastatus_reg = GRAPHICS_VER(stream->perf->i915) == 12 ? - GEN12_OAG_OASTATUS : GEN8_OASTATUS; + __oa_regs(stream)->oa_status : + GEN8_OASTATUS; oastatus = intel_uncore_read(uncore, oastatus_reg); @@ -1637,6 +1652,11 @@ static bool engine_supports_oa(const struct intel_engine_cs *engine) return engine->oa_group; } +static bool engine_supports_oa_format(struct intel_engine_cs *engine, int type) +{ + return engine->oa_group && engine->oa_group->type == type; +} + static void i915_oa_stream_destroy(struct i915_perf_stream *stream) { struct i915_perf *perf = stream->perf; @@ -1788,8 +1808,8 @@ static void gen12_init_oa_buffer(struct i915_perf_stream *stream) spin_lock_irqsave(&stream->oa_buffer.ptr_lock, flags); - intel_uncore_write(uncore, GEN12_OAG_OASTATUS, 0); - intel_uncore_write(uncore, GEN12_OAG_OAHEADPTR, + intel_uncore_write(uncore, __oa_regs(stream)->oa_status, 0); + intel_uncore_write(uncore, __oa_regs(stream)->oa_head_ptr, gtt_offset & GEN12_OAG_OAHEADPTR_MASK); stream->oa_buffer.head = gtt_offset; @@ -1801,9 +1821,9 @@ static void gen12_init_oa_buffer(struct i915_perf_stream *stream) * to enable proper functionality of the overflow * bit." */ - intel_uncore_write(uncore, GEN12_OAG_OABUFFER, gtt_offset | + intel_uncore_write(uncore, __oa_regs(stream)->oa_buffer, gtt_offset | OABUFFER_SIZE_16M | GEN8_OABUFFER_MEM_SELECT_GGTT); - intel_uncore_write(uncore, GEN12_OAG_OATAILPTR, + intel_uncore_write(uncore, __oa_regs(stream)->oa_tail_ptr, gtt_offset & GEN12_OAG_OATAILPTR_MASK); /* Mark that we need updated tail pointers to read from... */ @@ -2563,7 +2583,8 @@ err_add_request: return err; } -static int gen8_configure_context(struct i915_gem_context *ctx, +static int gen8_configure_context(struct i915_perf_stream *stream, + struct i915_gem_context *ctx, struct flex *flex, unsigned int count) { struct i915_gem_engines_iter it; @@ -2704,7 +2725,7 @@ oa_configure_all_contexts(struct i915_perf_stream *stream, spin_unlock(&i915->gem.contexts.lock); - err = gen8_configure_context(ctx, regs, num_regs); + err = gen8_configure_context(stream, ctx, regs, num_regs); if (err) { i915_gem_context_put(ctx); return err; @@ -2749,6 +2770,9 @@ gen12_configure_all_contexts(struct i915_perf_stream *stream, }, }; + if (stream->engine->class != RENDER_CLASS) + return 0; + return oa_configure_all_contexts(stream, regs, ARRAY_SIZE(regs), active); @@ -2878,7 +2902,7 @@ gen12_enable_metric_set(struct i915_perf_stream *stream, _MASKED_BIT_ENABLE(GEN12_DISABLE_DOP_GATING)); } - intel_uncore_write(uncore, GEN12_OAG_OA_DEBUG, + intel_uncore_write(uncore, __oa_regs(stream)->oa_debug, /* Disable clk ratio reports, like previous Gens. */ _MASKED_BIT_ENABLE(GEN12_OAG_OA_DEBUG_DISABLE_CLK_RATIO_REPORTS | GEN12_OAG_OA_DEBUG_INCLUDE_CLK_RATIO) | @@ -2888,7 +2912,7 @@ gen12_enable_metric_set(struct i915_perf_stream *stream, */ oag_report_ctx_switches(stream)); - intel_uncore_write(uncore, GEN12_OAG_OAGLBCTXCTRL, periodic ? + intel_uncore_write(uncore, __oa_regs(stream)->oa_ctx_ctrl, periodic ? (GEN12_OAG_OAGLBCTXCTRL_COUNTER_RESUME | GEN12_OAG_OAGLBCTXCTRL_TIMER_ENABLE | (period_exponent << GEN12_OAG_OAGLBCTXCTRL_TIMER_PERIOD_SHIFT)) @@ -3042,8 +3066,8 @@ static void gen8_oa_enable(struct i915_perf_stream *stream) static void gen12_oa_enable(struct i915_perf_stream *stream) { - struct intel_uncore *uncore = stream->uncore; - u32 report_format = stream->oa_buffer.format->format; + const struct i915_perf_regs *regs; + u32 val; /* * If we don't want OA reports from the OA buffer, then we don't even @@ -3054,9 +3078,11 @@ static void gen12_oa_enable(struct i915_perf_stream *stream) gen12_init_oa_buffer(stream); - intel_uncore_write(uncore, GEN12_OAG_OACONTROL, - (report_format << GEN12_OAG_OACONTROL_OA_COUNTER_FORMAT_SHIFT) | - GEN12_OAG_OACONTROL_OA_COUNTER_ENABLE); + regs = __oa_regs(stream); + val = (stream->oa_buffer.format->format << regs->oa_ctrl_counter_format_shift) | + GEN12_OAG_OACONTROL_OA_COUNTER_ENABLE; + + intel_uncore_write(stream->uncore, regs->oa_ctrl, val); } /** @@ -3108,9 +3134,9 @@ static void gen12_oa_disable(struct i915_perf_stream *stream) { struct intel_uncore *uncore = stream->uncore; - intel_uncore_write(uncore, GEN12_OAG_OACONTROL, 0); + intel_uncore_write(uncore, __oa_regs(stream)->oa_ctrl, 0); if (intel_wait_for_register(uncore, - GEN12_OAG_OACONTROL, + __oa_regs(stream)->oa_ctrl, GEN12_OAG_OACONTROL_OA_COUNTER_ENABLE, 0, 50)) drm_err(&stream->perf->i915->drm, @@ -4011,6 +4037,7 @@ static int read_properties_unlocked(struct i915_perf *perf, struct perf_open_properties *props) { struct drm_i915_gem_context_param_sseu user_sseu; + const struct i915_oa_format *f; u64 __user *uprop = uprops; bool config_instance = false; bool config_class = false; @@ -4196,6 +4223,15 @@ static int read_properties_unlocked(struct i915_perf *perf, return -EINVAL; } + i = array_index_nospec(props->oa_format, I915_OA_FORMAT_MAX); + f = &perf->oa_formats[i]; + if (!engine_supports_oa_format(props->engine, f->type)) { + drm_dbg(&perf->i915->drm, + "Invalid OA format %d for class %d\n", + f->type, props->engine->class); + return -EINVAL; + } + if (config_sseu) { ret = get_sseu_config(&props->sseu, props->engine, &user_sseu); if (ret) { @@ -4376,6 +4412,14 @@ static const struct i915_range gen12_oa_b_counters[] = { {} }; +static const struct i915_range mtl_oam_b_counters[] = { + { .start = 0x393000, .end = 0x39301c }, /* GEN12_OAM_STARTTRIG1[1-8] */ + { .start = 0x393020, .end = 0x39303c }, /* GEN12_OAM_REPORTTRIG1[1-8] */ + { .start = 0x393040, .end = 0x39307c }, /* GEN12_OAM_CEC[0-7][0-1] */ + { .start = 0x393200, .end = 0x39323C }, /* MPES[0-7] */ + {} +}; + static const struct i915_range xehp_oa_b_counters[] = { { .start = 0xdc48, .end = 0xdc48 }, /* OAA_ENABLE_REG */ { .start = 0xdd00, .end = 0xdd48 }, /* OAG_LCE0_0 - OAA_LENABLE_REG */ @@ -4429,6 +4473,8 @@ static const struct i915_range mtl_oa_mux_regs[] = { { .start = 0x0d0c, .end = 0x0d2c }, /* NOA_CONFIG[0-8] */ { .start = 0x9840, .end = 0x9840 }, /* GDT_CHICKEN_BITS */ { .start = 0x9884, .end = 0x9888 }, /* NOA_WRITE */ + { .start = 0x38d100, .end = 0x38d114}, /* VISACTL */ + {} }; static bool gen7_is_valid_b_counter_addr(struct i915_perf *perf, u32 addr) @@ -4466,10 +4512,20 @@ static bool gen12_is_valid_b_counter_addr(struct i915_perf *perf, u32 addr) return reg_in_range_table(addr, gen12_oa_b_counters); } +static bool mtl_is_valid_oam_b_counter_addr(struct i915_perf *perf, u32 addr) +{ + if (HAS_OAM(perf->i915) && + GRAPHICS_VER_FULL(perf->i915) >= IP_VER(12, 70)) + return reg_in_range_table(addr, mtl_oam_b_counters); + + return false; +} + static bool xehp_is_valid_b_counter_addr(struct i915_perf *perf, u32 addr) { return reg_in_range_table(addr, xehp_oa_b_counters) || - reg_in_range_table(addr, gen12_oa_b_counters); + reg_in_range_table(addr, gen12_oa_b_counters) || + mtl_is_valid_oam_b_counter_addr(perf, addr); } static bool gen12_is_valid_mux_addr(struct i915_perf *perf, u32 addr) @@ -4839,12 +4895,86 @@ static u32 num_perf_groups_per_gt(struct intel_gt *gt) return 1; } +static u32 __oam_engine_group(struct intel_engine_cs *engine) +{ + if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 70)) { + /* + * There's 1 SAMEDIA gt and 1 OAM per SAMEDIA gt. All media slices + * within the gt use the same OAM. All MTL SKUs list 1 SA MEDIA. + */ + drm_WARN_ON(&engine->i915->drm, + engine->gt->type != GT_MEDIA); + + return PERF_GROUP_OAM_SAMEDIA_0; + } + + return PERF_GROUP_INVALID; +} + static u32 __oa_engine_group(struct intel_engine_cs *engine) { - if (engine->class == RENDER_CLASS) + switch (engine->class) { + case RENDER_CLASS: return PERF_GROUP_OAG; - else + + case VIDEO_DECODE_CLASS: + case VIDEO_ENHANCEMENT_CLASS: + return __oam_engine_group(engine); + + default: return PERF_GROUP_INVALID; + } +} + +static struct i915_perf_regs __oam_regs(u32 base) +{ + return (struct i915_perf_regs) { + base, + GEN12_OAM_HEAD_POINTER(base), + GEN12_OAM_TAIL_POINTER(base), + GEN12_OAM_BUFFER(base), + GEN12_OAM_CONTEXT_CONTROL(base), + GEN12_OAM_CONTROL(base), + GEN12_OAM_DEBUG(base), + GEN12_OAM_STATUS(base), + GEN12_OAM_CONTROL_COUNTER_FORMAT_SHIFT, + }; +} + +static struct i915_perf_regs __oag_regs(void) +{ + return (struct i915_perf_regs) { + 0, + GEN12_OAG_OAHEADPTR, + GEN12_OAG_OATAILPTR, + GEN12_OAG_OABUFFER, + GEN12_OAG_OAGLBCTXCTRL, + GEN12_OAG_OACONTROL, + GEN12_OAG_OA_DEBUG, + GEN12_OAG_OASTATUS, + GEN12_OAG_OACONTROL_OA_COUNTER_FORMAT_SHIFT, + }; +} + +static void oa_init_groups(struct intel_gt *gt) +{ + int i, num_groups = gt->perf.num_perf_groups; + + for (i = 0; i < num_groups; i++) { + struct i915_perf_group *g = >->perf.group[i]; + + /* Fused off engines can result in a group with num_engines == 0 */ + if (g->num_engines == 0) + continue; + + if (i == PERF_GROUP_OAG && gt->type != GT_MEDIA) { + g->regs = __oag_regs(); + g->type = TYPE_OAG; + } else if (GRAPHICS_VER_FULL(gt->i915) >= IP_VER(12, 70)) { + g->regs = __oam_regs(mtl_oa_base[i]); + g->type = TYPE_OAM; + } + } } static int oa_init_gt(struct intel_gt *gt) @@ -4871,6 +5001,8 @@ static int oa_init_gt(struct intel_gt *gt) gt->perf.num_perf_groups = num_groups; gt->perf.group = g; + oa_init_groups(gt); + return 0; } @@ -4928,9 +5060,15 @@ static void oa_init_supported_formats(struct i915_perf *perf) break; case INTEL_DG2: + oa_format_add(perf, I915_OAR_FORMAT_A32u40_A4u32_B8_C8); + oa_format_add(perf, I915_OA_FORMAT_A24u40_A14u32_B8_C8); + break; + case INTEL_METEORLAKE: oa_format_add(perf, I915_OAR_FORMAT_A32u40_A4u32_B8_C8); oa_format_add(perf, I915_OA_FORMAT_A24u40_A14u32_B8_C8); + oa_format_add(perf, I915_OAM_FORMAT_MPEC8u64_B8_C8); + oa_format_add(perf, I915_OAM_FORMAT_MPEC8u32_B8_C8); break; default: @@ -5175,8 +5313,10 @@ int i915_perf_ioctl_version(void) * * 6: Add DRM_I915_PERF_PROP_OA_ENGINE_CLASS and * DRM_I915_PERF_PROP_OA_ENGINE_INSTANCE + * + * 7: Add support for video decode and enhancement classes. */ - return 6; + return 7; } #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) |