diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 82 |
1 files changed, 69 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 1d99a4205958..4201f3dfaece 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -704,6 +704,17 @@ static const u32 stoney_mgcg_cgcg_init[] = mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96940200, }; + +static const char * const sq_edc_source_names[] = { + "SQ_EDC_INFO_SOURCE_INVALID: No EDC error has occurred", + "SQ_EDC_INFO_SOURCE_INST: EDC source is Instruction Fetch", + "SQ_EDC_INFO_SOURCE_SGPR: EDC source is SGPR or SQC data return", + "SQ_EDC_INFO_SOURCE_VGPR: EDC source is VGPR", + "SQ_EDC_INFO_SOURCE_LDS: EDC source is LDS", + "SQ_EDC_INFO_SOURCE_GDS: EDC source is GDS", + "SQ_EDC_INFO_SOURCE_TA: EDC source is TA", +}; + static void gfx_v8_0_set_ring_funcs(struct amdgpu_device *adev); static void gfx_v8_0_set_irq_funcs(struct amdgpu_device *adev); static void gfx_v8_0_set_gds_init(struct amdgpu_device *adev); @@ -2006,6 +2017,8 @@ static int gfx_v8_0_compute_ring_init(struct amdgpu_device *adev, int ring_id, return 0; } +static void gfx_v8_0_sq_irq_work_func(struct work_struct *work); + static int gfx_v8_0_sw_init(void *handle) { int i, j, k, r, ring_id; @@ -2069,6 +2082,8 @@ static int gfx_v8_0_sw_init(void *handle) return r; } + INIT_WORK(&adev->gfx.sq_work.work, gfx_v8_0_sq_irq_work_func); + adev->gfx.gfx_current_status = AMDGPU_GFX_NORMAL_MODE; gfx_v8_0_scratch_init(adev); @@ -6955,14 +6970,11 @@ static int gfx_v8_0_cp_ecc_error_irq(struct amdgpu_device *adev, return 0; } -static int gfx_v8_0_sq_irq(struct amdgpu_device *adev, - struct amdgpu_irq_src *source, - struct amdgpu_iv_entry *entry) +static void gfx_v8_0_parse_sq_irq(struct amdgpu_device *adev, unsigned ih_data) { - u8 enc, se_id; + u32 enc, se_id, sh_id, cu_id; char type[20]; - unsigned ih_data = entry->src_data[0]; - + int sq_edc_source = -1; enc = REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_CMN, ENCODING); se_id = REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_CMN, SE_ID); @@ -6988,6 +7000,24 @@ static int gfx_v8_0_sq_irq(struct amdgpu_device *adev, case 1: case 2: + cu_id = REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, CU_ID); + sh_id = REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, SH_ID); + + /* + * This function can be called either directly from ISR + * or from BH in which case we can access SQ_EDC_INFO + * instance + */ + if (in_task()) { + mutex_lock(&adev->grbm_idx_mutex); + gfx_v8_0_select_se_sh(adev, se_id, sh_id, cu_id); + + sq_edc_source = REG_GET_FIELD(RREG32(mmSQ_EDC_INFO), SQ_EDC_INFO, SOURCE); + + gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); + mutex_unlock(&adev->grbm_idx_mutex); + } + if (enc == 1) sprintf(type, "instruction intr"); else @@ -6995,20 +7025,46 @@ static int gfx_v8_0_sq_irq(struct amdgpu_device *adev, DRM_INFO( "SQ %s detected: " - "se_id %d, cu_id %d, simd_id %d, wave_id %d, vm_id %d\n" - "trap %s, sh_id %d. ", - type, se_id, - REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, CU_ID), + "se_id %d, sh_id %d, cu_id %d, simd_id %d, wave_id %d, vm_id %d " + "trap %s, sq_ed_info.source %s.\n", + type, se_id, sh_id, cu_id, REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, SIMD_ID), REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, WAVE_ID), REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, VM_ID), REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, PRIV) ? "true" : "false", - REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, SH_ID) - ); + (sq_edc_source != -1) ? sq_edc_source_names[sq_edc_source] : "unavailable" + ); break; default: DRM_ERROR("SQ invalid encoding type\n."); - return -EINVAL; + } +} + +static void gfx_v8_0_sq_irq_work_func(struct work_struct *work) +{ + + struct amdgpu_device *adev = container_of(work, struct amdgpu_device, gfx.sq_work.work); + struct sq_work *sq_work = container_of(work, struct sq_work, work); + + gfx_v8_0_parse_sq_irq(adev, sq_work->ih_data); +} + +static int gfx_v8_0_sq_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + unsigned ih_data = entry->src_data[0]; + + /* + * Try to submit work so SQ_EDC_INFO can be accessed from + * BH. If previous work submission hasn't finished yet + * just print whatever info is possible directly from the ISR. + */ + if (work_pending(&adev->gfx.sq_work.work)) { + gfx_v8_0_parse_sq_irq(adev, ih_data); + } else { + adev->gfx.sq_work.ih_data = ih_data; + schedule_work(&adev->gfx.sq_work.work); } return 0; |