From: Alex Deucher Date: Wed, 14 Oct 2015 13:39:37 +0000 (-0400) Subject: drm/amdgpu: clean up asic level reset for VI X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a2c5c698257614acfbc6429716a0af4064359043;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/amdgpu: clean up asic level reset for VI Drop soft reset, always use pci config reset. Reviewed-by: Junwei Zhang Reviewed-by: Christian König Reviewed-by: Ken Wang Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 89f5a1ff6f43..09a25a413db7 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -571,374 +571,12 @@ static int vi_read_register(struct amdgpu_device *adev, u32 se_num, return -EINVAL; } -static void vi_print_gpu_status_regs(struct amdgpu_device *adev) -{ - dev_info(adev->dev, " GRBM_STATUS=0x%08X\n", - RREG32(mmGRBM_STATUS)); - dev_info(adev->dev, " GRBM_STATUS2=0x%08X\n", - RREG32(mmGRBM_STATUS2)); - dev_info(adev->dev, " GRBM_STATUS_SE0=0x%08X\n", - RREG32(mmGRBM_STATUS_SE0)); - dev_info(adev->dev, " GRBM_STATUS_SE1=0x%08X\n", - RREG32(mmGRBM_STATUS_SE1)); - dev_info(adev->dev, " GRBM_STATUS_SE2=0x%08X\n", - RREG32(mmGRBM_STATUS_SE2)); - dev_info(adev->dev, " GRBM_STATUS_SE3=0x%08X\n", - RREG32(mmGRBM_STATUS_SE3)); - dev_info(adev->dev, " SRBM_STATUS=0x%08X\n", - RREG32(mmSRBM_STATUS)); - dev_info(adev->dev, " SRBM_STATUS2=0x%08X\n", - RREG32(mmSRBM_STATUS2)); - dev_info(adev->dev, " SDMA0_STATUS_REG = 0x%08X\n", - RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET)); - if (adev->sdma.num_instances > 1) { - dev_info(adev->dev, " SDMA1_STATUS_REG = 0x%08X\n", - RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET)); - } - dev_info(adev->dev, " CP_STAT = 0x%08x\n", RREG32(mmCP_STAT)); - dev_info(adev->dev, " CP_STALLED_STAT1 = 0x%08x\n", - RREG32(mmCP_STALLED_STAT1)); - dev_info(adev->dev, " CP_STALLED_STAT2 = 0x%08x\n", - RREG32(mmCP_STALLED_STAT2)); - dev_info(adev->dev, " CP_STALLED_STAT3 = 0x%08x\n", - RREG32(mmCP_STALLED_STAT3)); - dev_info(adev->dev, " CP_CPF_BUSY_STAT = 0x%08x\n", - RREG32(mmCP_CPF_BUSY_STAT)); - dev_info(adev->dev, " CP_CPF_STALLED_STAT1 = 0x%08x\n", - RREG32(mmCP_CPF_STALLED_STAT1)); - dev_info(adev->dev, " CP_CPF_STATUS = 0x%08x\n", RREG32(mmCP_CPF_STATUS)); - dev_info(adev->dev, " CP_CPC_BUSY_STAT = 0x%08x\n", RREG32(mmCP_CPC_BUSY_STAT)); - dev_info(adev->dev, " CP_CPC_STALLED_STAT1 = 0x%08x\n", - RREG32(mmCP_CPC_STALLED_STAT1)); - dev_info(adev->dev, " CP_CPC_STATUS = 0x%08x\n", RREG32(mmCP_CPC_STATUS)); -} - -/** - * vi_gpu_check_soft_reset - check which blocks are busy - * - * @adev: amdgpu_device pointer - * - * Check which blocks are busy and return the relevant reset - * mask to be used by vi_gpu_soft_reset(). - * Returns a mask of the blocks to be reset. - */ -u32 vi_gpu_check_soft_reset(struct amdgpu_device *adev) -{ - u32 reset_mask = 0; - u32 tmp; - - /* GRBM_STATUS */ - tmp = RREG32(mmGRBM_STATUS); - if (tmp & (GRBM_STATUS__PA_BUSY_MASK | GRBM_STATUS__SC_BUSY_MASK | - GRBM_STATUS__BCI_BUSY_MASK | GRBM_STATUS__SX_BUSY_MASK | - GRBM_STATUS__TA_BUSY_MASK | GRBM_STATUS__VGT_BUSY_MASK | - GRBM_STATUS__DB_BUSY_MASK | GRBM_STATUS__CB_BUSY_MASK | - GRBM_STATUS__GDS_BUSY_MASK | GRBM_STATUS__SPI_BUSY_MASK | - GRBM_STATUS__IA_BUSY_MASK | GRBM_STATUS__IA_BUSY_NO_DMA_MASK)) - reset_mask |= AMDGPU_RESET_GFX; - - if (tmp & (GRBM_STATUS__CP_BUSY_MASK | GRBM_STATUS__CP_COHERENCY_BUSY_MASK)) - reset_mask |= AMDGPU_RESET_CP; - - /* GRBM_STATUS2 */ - tmp = RREG32(mmGRBM_STATUS2); - if (tmp & GRBM_STATUS2__RLC_BUSY_MASK) - reset_mask |= AMDGPU_RESET_RLC; - - if (tmp & (GRBM_STATUS2__CPF_BUSY_MASK | - GRBM_STATUS2__CPC_BUSY_MASK | - GRBM_STATUS2__CPG_BUSY_MASK)) - reset_mask |= AMDGPU_RESET_CP; - - /* SRBM_STATUS2 */ - tmp = RREG32(mmSRBM_STATUS2); - if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK) - reset_mask |= AMDGPU_RESET_DMA; - - if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK) - reset_mask |= AMDGPU_RESET_DMA1; - - /* SRBM_STATUS */ - tmp = RREG32(mmSRBM_STATUS); - - if (tmp & SRBM_STATUS__IH_BUSY_MASK) - reset_mask |= AMDGPU_RESET_IH; - - if (tmp & SRBM_STATUS__SEM_BUSY_MASK) - reset_mask |= AMDGPU_RESET_SEM; - - if (tmp & SRBM_STATUS__GRBM_RQ_PENDING_MASK) - reset_mask |= AMDGPU_RESET_GRBM; - - if (adev->asic_type != CHIP_TOPAZ) { - if (tmp & (SRBM_STATUS__UVD_RQ_PENDING_MASK | - SRBM_STATUS__UVD_BUSY_MASK)) - reset_mask |= AMDGPU_RESET_UVD; - } - - if (tmp & SRBM_STATUS__VMC_BUSY_MASK) - reset_mask |= AMDGPU_RESET_VMC; - - if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | - SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) - reset_mask |= AMDGPU_RESET_MC; - - /* SDMA0_STATUS_REG */ - tmp = RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET); - if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) - reset_mask |= AMDGPU_RESET_DMA; - - /* SDMA1_STATUS_REG */ - if (adev->sdma.num_instances > 1) { - tmp = RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET); - if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) - reset_mask |= AMDGPU_RESET_DMA1; - } -#if 0 - /* VCE_STATUS */ - if (adev->asic_type != CHIP_TOPAZ) { - tmp = RREG32(mmVCE_STATUS); - if (tmp & VCE_STATUS__VCPU_REPORT_RB0_BUSY_MASK) - reset_mask |= AMDGPU_RESET_VCE; - if (tmp & VCE_STATUS__VCPU_REPORT_RB1_BUSY_MASK) - reset_mask |= AMDGPU_RESET_VCE1; - - } - - if (adev->asic_type != CHIP_TOPAZ) { - if (amdgpu_display_is_display_hung(adev)) - reset_mask |= AMDGPU_RESET_DISPLAY; - } -#endif - - /* Skip MC reset as it's mostly likely not hung, just busy */ - if (reset_mask & AMDGPU_RESET_MC) { - DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); - reset_mask &= ~AMDGPU_RESET_MC; - } - - return reset_mask; -} - -/** - * vi_gpu_soft_reset - soft reset GPU - * - * @adev: amdgpu_device pointer - * @reset_mask: mask of which blocks to reset - * - * Soft reset the blocks specified in @reset_mask. - */ -static void vi_gpu_soft_reset(struct amdgpu_device *adev, u32 reset_mask) -{ - struct amdgpu_mode_mc_save save; - u32 grbm_soft_reset = 0, srbm_soft_reset = 0; - u32 tmp; - - if (reset_mask == 0) - return; - - dev_info(adev->dev, "GPU softreset: 0x%08X\n", reset_mask); - - vi_print_gpu_status_regs(adev); - dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", - RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR)); - dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", - RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS)); - - /* disable CG/PG */ - - /* stop the rlc */ - //XXX - //gfx_v8_0_rlc_stop(adev); - - /* Disable GFX parsing/prefetching */ - tmp = RREG32(mmCP_ME_CNTL); - tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1); - tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1); - tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1); - WREG32(mmCP_ME_CNTL, tmp); - - /* Disable MEC parsing/prefetching */ - tmp = RREG32(mmCP_MEC_CNTL); - tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME1_HALT, 1); - tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME2_HALT, 1); - WREG32(mmCP_MEC_CNTL, tmp); - - if (reset_mask & AMDGPU_RESET_DMA) { - /* sdma0 */ - tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); - tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1); - WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); - } - if (reset_mask & AMDGPU_RESET_DMA1) { - /* sdma1 */ - tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); - tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1); - WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); - } - - gmc_v8_0_mc_stop(adev, &save); - if (amdgpu_asic_wait_for_mc_idle(adev)) { - dev_warn(adev->dev, "Wait for MC idle timedout !\n"); - } - - if (reset_mask & (AMDGPU_RESET_GFX | AMDGPU_RESET_COMPUTE | AMDGPU_RESET_CP)) { - grbm_soft_reset = - REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP, 1); - grbm_soft_reset = - REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_GFX, 1); - } - - if (reset_mask & AMDGPU_RESET_CP) { - grbm_soft_reset = - REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP, 1); - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_GRBM, 1); - } - - if (reset_mask & AMDGPU_RESET_DMA) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA, 1); - - if (reset_mask & AMDGPU_RESET_DMA1) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA1, 1); - - if (reset_mask & AMDGPU_RESET_DISPLAY) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_DC, 1); - - if (reset_mask & AMDGPU_RESET_RLC) - grbm_soft_reset = - REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_RLC, 1); - - if (reset_mask & AMDGPU_RESET_SEM) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SEM, 1); - - if (reset_mask & AMDGPU_RESET_IH) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_IH, 1); - - if (reset_mask & AMDGPU_RESET_GRBM) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_GRBM, 1); - - if (reset_mask & AMDGPU_RESET_VMC) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); - - if (reset_mask & AMDGPU_RESET_UVD) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_UVD, 1); - - if (reset_mask & AMDGPU_RESET_VCE) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1); - - if (reset_mask & AMDGPU_RESET_VCE) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1); - - if (!(adev->flags & AMD_IS_APU)) { - if (reset_mask & AMDGPU_RESET_MC) - srbm_soft_reset = - REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1); - } - - if (grbm_soft_reset) { - tmp = RREG32(mmGRBM_SOFT_RESET); - tmp |= grbm_soft_reset; - dev_info(adev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp); - WREG32(mmGRBM_SOFT_RESET, tmp); - tmp = RREG32(mmGRBM_SOFT_RESET); - - udelay(50); - - tmp &= ~grbm_soft_reset; - WREG32(mmGRBM_SOFT_RESET, tmp); - tmp = RREG32(mmGRBM_SOFT_RESET); - } - - if (srbm_soft_reset) { - tmp = RREG32(mmSRBM_SOFT_RESET); - tmp |= srbm_soft_reset; - dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); - WREG32(mmSRBM_SOFT_RESET, tmp); - tmp = RREG32(mmSRBM_SOFT_RESET); - - udelay(50); - - tmp &= ~srbm_soft_reset; - WREG32(mmSRBM_SOFT_RESET, tmp); - tmp = RREG32(mmSRBM_SOFT_RESET); - } - - /* Wait a little for things to settle down */ - udelay(50); - - gmc_v8_0_mc_resume(adev, &save); - udelay(50); - - vi_print_gpu_status_regs(adev); -} - static void vi_gpu_pci_config_reset(struct amdgpu_device *adev) { - struct amdgpu_mode_mc_save save; - u32 tmp, i; + u32 i; dev_info(adev->dev, "GPU pci config reset\n"); - /* disable dpm? */ - - /* disable cg/pg */ - - /* Disable GFX parsing/prefetching */ - tmp = RREG32(mmCP_ME_CNTL); - tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1); - tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1); - tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1); - WREG32(mmCP_ME_CNTL, tmp); - - /* Disable MEC parsing/prefetching */ - tmp = RREG32(mmCP_MEC_CNTL); - tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME1_HALT, 1); - tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME2_HALT, 1); - WREG32(mmCP_MEC_CNTL, tmp); - - /* Disable GFX parsing/prefetching */ - WREG32(mmCP_ME_CNTL, CP_ME_CNTL__ME_HALT_MASK | - CP_ME_CNTL__PFP_HALT_MASK | CP_ME_CNTL__CE_HALT_MASK); - - /* Disable MEC parsing/prefetching */ - WREG32(mmCP_MEC_CNTL, - CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK); - - /* sdma0 */ - tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); - tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1); - WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); - - /* sdma1 */ - tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); - tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1); - WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); - - /* XXX other engines? */ - - /* halt the rlc, disable cp internal ints */ - //XXX - //gfx_v8_0_rlc_stop(adev); - - udelay(50); - - /* disable mem access */ - gmc_v8_0_mc_stop(adev, &save); - if (amdgpu_asic_wait_for_mc_idle(adev)) { - dev_warn(adev->dev, "Wait for MC idle timed out !\n"); - } - /* disable BM */ pci_clear_master(adev->pdev); /* reset */ @@ -978,26 +616,11 @@ static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hun */ static int vi_asic_reset(struct amdgpu_device *adev) { - u32 reset_mask; - - reset_mask = vi_gpu_check_soft_reset(adev); - - if (reset_mask) - vi_set_bios_scratch_engine_hung(adev, true); - - /* try soft reset */ - vi_gpu_soft_reset(adev, reset_mask); - - reset_mask = vi_gpu_check_soft_reset(adev); - - /* try pci config reset */ - if (reset_mask && amdgpu_hard_reset) - vi_gpu_pci_config_reset(adev); + vi_set_bios_scratch_engine_hung(adev, true); - reset_mask = vi_gpu_check_soft_reset(adev); + vi_gpu_pci_config_reset(adev); - if (!reset_mask) - vi_set_bios_scratch_engine_hung(adev, false); + vi_set_bios_scratch_engine_hung(adev, false); return 0; }