diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 305 |
1 files changed, 295 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index bfaaa327ae3c..65eb378fa035 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -23,14 +23,38 @@ #include "amdgpu.h" #include "amdgpu_atombios.h" #include "nbio_v7_4.h" +#include "amdgpu_ras.h" #include "nbio/nbio_7_4_offset.h" #include "nbio/nbio_7_4_sh_mask.h" #include "nbio/nbio_7_4_0_smn.h" +#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h" #include <uapi/linux/kfd_ioctl.h> #define smnNBIF_MGCG_CTRL_LCLK 0x1013a21c +/* + * These are nbio v7_4_1 registers mask. Temporarily define these here since + * nbio v7_4_1 header is incomplete. + */ +#define GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK 0x00001000L +#define GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK 0x00002000L +#define GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK 0x00004000L +#define GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK 0x00008000L +#define GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK 0x00010000L +#define GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK 0x00020000L + +#define mmBIF_MMSCH1_DOORBELL_RANGE 0x01dc +#define mmBIF_MMSCH1_DOORBELL_RANGE_BASE_IDX 2 +//BIF_MMSCH1_DOORBELL_RANGE +#define BIF_MMSCH1_DOORBELL_RANGE__OFFSET__SHIFT 0x2 +#define BIF_MMSCH1_DOORBELL_RANGE__SIZE__SHIFT 0x10 +#define BIF_MMSCH1_DOORBELL_RANGE__OFFSET_MASK 0x00000FFCL +#define BIF_MMSCH1_DOORBELL_RANGE__SIZE_MASK 0x001F0000L + +static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev, + void *ras_error_status); + static void nbio_v7_4_remap_hdp_registers(struct amdgpu_device *adev) { WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL, @@ -75,10 +99,24 @@ static u32 nbio_v7_4_get_memsize(struct amdgpu_device *adev) static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instance, bool use_doorbell, int doorbell_index, int doorbell_size) { - u32 reg = instance == 0 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE) : - SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE); + u32 reg, doorbell_range; - u32 doorbell_range = RREG32(reg); + if (instance < 2) + reg = instance + + SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE); + else + /* + * These registers address of SDMA2~7 is not consecutive + * from SDMA0~1. Need plus 4 dwords offset. + * + * BIF_SDMA0_DOORBELL_RANGE: 0x3bc0 + * BIF_SDMA1_DOORBELL_RANGE: 0x3bc4 + * BIF_SDMA2_DOORBELL_RANGE: 0x3bd8 + */ + reg = instance + 0x4 + + SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE); + + doorbell_range = RREG32(reg); if (use_doorbell) { doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index); @@ -89,6 +127,32 @@ static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instan WREG32(reg, doorbell_range); } +static void nbio_v7_4_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, + int doorbell_index, int instance) +{ + u32 reg; + u32 doorbell_range; + + if (instance) + reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE); + else + reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE); + + doorbell_range = RREG32(reg); + + if (use_doorbell) { + doorbell_range = REG_SET_FIELD(doorbell_range, + BIF_MMSCH0_DOORBELL_RANGE, OFFSET, + doorbell_index); + doorbell_range = REG_SET_FIELD(doorbell_range, + BIF_MMSCH0_DOORBELL_RANGE, SIZE, 8); + } else + doorbell_range = REG_SET_FIELD(doorbell_range, + BIF_MMSCH0_DOORBELL_RANGE, SIZE, 0); + + WREG32(reg, doorbell_range); +} + static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev, bool enable) { @@ -207,7 +271,7 @@ static u32 nbio_v7_4_get_pcie_data_offset(struct amdgpu_device *adev) return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2); } -static const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = { +const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = { .ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK, .ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK, .ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK, @@ -220,6 +284,12 @@ static const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = { .ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK, .ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__SDMA0_MASK, .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK, + .ref_and_mask_sdma2 = GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK, + .ref_and_mask_sdma3 = GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK, + .ref_and_mask_sdma4 = GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK, + .ref_and_mask_sdma5 = GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK, + .ref_and_mask_sdma6 = GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK, + .ref_and_mask_sdma7 = GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK, }; static void nbio_v7_4_detect_hw_virt(struct amdgpu_device *adev) @@ -241,17 +311,224 @@ static void nbio_v7_4_detect_hw_virt(struct amdgpu_device *adev) static void nbio_v7_4_init_registers(struct amdgpu_device *adev) { - uint32_t def, data; - def = data = RREG32_PCIE(smnPCIE_CI_CNTL); - data = REG_SET_FIELD(data, PCIE_CI_CNTL, CI_SLV_ORDERING_DIS, 1); +} - if (def != data) - WREG32_PCIE(smnPCIE_CI_CNTL, data); +static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev) +{ + uint32_t bif_doorbell_intr_cntl; + struct ras_manager *obj = amdgpu_ras_find_obj(adev, adev->nbio.ras_if); + + bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL); + if (REG_GET_FIELD(bif_doorbell_intr_cntl, + BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) { + /* driver has to clear the interrupt status when bif ring is disabled */ + bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl, + BIF_DOORBELL_INT_CNTL, + RAS_CNTLR_INTERRUPT_CLEAR, 1); + WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl); + + /* + * clear error status after ras_controller_intr according to + * hw team and count ue number for query + */ + nbio_v7_4_query_ras_error_count(adev, &obj->err_data); + + DRM_WARN("RAS controller interrupt triggered by NBIF error\n"); + + /* ras_controller_int is dedicated for nbif ras error, + * not the global interrupt for sync flood + */ + amdgpu_ras_reset_gpu(adev); + } +} + +static void nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev) +{ + uint32_t bif_doorbell_intr_cntl; + + bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL); + if (REG_GET_FIELD(bif_doorbell_intr_cntl, + BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) { + /* driver has to clear the interrupt status when bif ring is disabled */ + bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl, + BIF_DOORBELL_INT_CNTL, + RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1); + WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl); + + amdgpu_ras_global_ras_isr(adev); + } +} + + +static int nbio_v7_4_set_ras_controller_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *src, + unsigned type, + enum amdgpu_interrupt_state state) +{ + /* The ras_controller_irq enablement should be done in psp bl when it + * tries to enable ras feature. Driver only need to set the correct interrupt + * vector for bare-metal and sriov use case respectively + */ + uint32_t bif_intr_cntl; + + bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL); + if (state == AMDGPU_IRQ_STATE_ENABLE) { + /* set interrupt vector select bit to 0 to select + * vetcor 1 for bare metal case */ + bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl, + BIF_INTR_CNTL, + RAS_INTR_VEC_SEL, 0); + WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl); + } + + return 0; +} + +static int nbio_v7_4_process_ras_controller_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + /* By design, the ih cookie for ras_controller_irq should be written + * to BIFring instead of general iv ring. However, due to known bif ring + * hw bug, it has to be disabled. There is no chance the process function + * will be involked. Just left it as a dummy one. + */ + return 0; +} + +static int nbio_v7_4_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *src, + unsigned type, + enum amdgpu_interrupt_state state) +{ + /* The ras_controller_irq enablement should be done in psp bl when it + * tries to enable ras feature. Driver only need to set the correct interrupt + * vector for bare-metal and sriov use case respectively + */ + uint32_t bif_intr_cntl; + + bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL); + if (state == AMDGPU_IRQ_STATE_ENABLE) { + /* set interrupt vector select bit to 0 to select + * vetcor 1 for bare metal case */ + bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl, + BIF_INTR_CNTL, + RAS_INTR_VEC_SEL, 0); + WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl); + } + + return 0; +} + +static int nbio_v7_4_process_err_event_athub_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + /* By design, the ih cookie for err_event_athub_irq should be written + * to BIFring instead of general iv ring. However, due to known bif ring + * hw bug, it has to be disabled. There is no chance the process function + * will be involked. Just left it as a dummy one. + */ + return 0; +} + +static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_controller_irq_funcs = { + .set = nbio_v7_4_set_ras_controller_irq_state, + .process = nbio_v7_4_process_ras_controller_irq, +}; + +static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_err_event_athub_irq_funcs = { + .set = nbio_v7_4_set_ras_err_event_athub_irq_state, + .process = nbio_v7_4_process_err_event_athub_irq, +}; + +static int nbio_v7_4_init_ras_controller_interrupt (struct amdgpu_device *adev) +{ + int r; + + /* init the irq funcs */ + adev->nbio.ras_controller_irq.funcs = + &nbio_v7_4_ras_controller_irq_funcs; + adev->nbio.ras_controller_irq.num_types = 1; + + /* register ras controller interrupt */ + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF, + NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT, + &adev->nbio.ras_controller_irq); + + return r; +} + +static int nbio_v7_4_init_ras_err_event_athub_interrupt (struct amdgpu_device *adev) +{ + + int r; + + /* init the irq funcs */ + adev->nbio.ras_err_event_athub_irq.funcs = + &nbio_v7_4_ras_err_event_athub_irq_funcs; + adev->nbio.ras_err_event_athub_irq.num_types = 1; + + /* register ras err event athub interrupt */ + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF, + NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT, + &adev->nbio.ras_err_event_athub_irq); + + return r; +} + +#define smnPARITY_ERROR_STATUS_UNCORR_GRP2 0x13a20030 + +static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev, + void *ras_error_status) +{ + uint32_t global_sts, central_sts, int_eoi, parity_sts; + uint32_t corr, fatal, non_fatal; + struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; + + global_sts = RREG32_PCIE(smnRAS_GLOBAL_STATUS_LO); + corr = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrCorr); + fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrFatal); + non_fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, + ParityErrNonFatal); + parity_sts = RREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2); + + if (corr) + err_data->ce_count++; + if (fatal) + err_data->ue_count++; + + if (corr || fatal || non_fatal) { + central_sts = RREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS); + /* clear error status register */ + WREG32_PCIE(smnRAS_GLOBAL_STATUS_LO, global_sts); + + if (fatal) + /* clear parity fatal error indication field */ + WREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2, + parity_sts); + + if (REG_GET_FIELD(central_sts, BIFL_RAS_CENTRAL_STATUS, + BIFL_RasContller_Intr_Recv)) { + /* clear interrupt status register */ + WREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS, central_sts); + int_eoi = RREG32_PCIE(smnIOHC_INTERRUPT_EOI); + int_eoi = REG_SET_FIELD(int_eoi, + IOHC_INTERRUPT_EOI, SMI_EOI, 1); + WREG32_PCIE(smnIOHC_INTERRUPT_EOI, int_eoi); + } + } +} + +static void nbio_v7_4_enable_doorbell_interrupt(struct amdgpu_device *adev, + bool enable) +{ + WREG32_FIELD15(NBIO, 0, BIF_DOORBELL_INT_CNTL, + DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1); } const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { - .hdp_flush_reg = &nbio_v7_4_hdp_flush_reg, .get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset, .get_pcie_index_offset = nbio_v7_4_get_pcie_index_offset, @@ -261,9 +538,11 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { .hdp_flush = nbio_v7_4_hdp_flush, .get_memsize = nbio_v7_4_get_memsize, .sdma_doorbell_range = nbio_v7_4_sdma_doorbell_range, + .vcn_doorbell_range = nbio_v7_4_vcn_doorbell_range, .enable_doorbell_aperture = nbio_v7_4_enable_doorbell_aperture, .enable_doorbell_selfring_aperture = nbio_v7_4_enable_doorbell_selfring_aperture, .ih_doorbell_range = nbio_v7_4_ih_doorbell_range, + .enable_doorbell_interrupt = nbio_v7_4_enable_doorbell_interrupt, .update_medium_grain_clock_gating = nbio_v7_4_update_medium_grain_clock_gating, .update_medium_grain_light_sleep = nbio_v7_4_update_medium_grain_light_sleep, .get_clockgating_state = nbio_v7_4_get_clockgating_state, @@ -271,4 +550,10 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { .init_registers = nbio_v7_4_init_registers, .detect_hw_virt = nbio_v7_4_detect_hw_virt, .remap_hdp_registers = nbio_v7_4_remap_hdp_registers, + .handle_ras_controller_intr_no_bifring = nbio_v7_4_handle_ras_controller_intr_no_bifring, + .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring, + .init_ras_controller_interrupt = nbio_v7_4_init_ras_controller_interrupt, + .init_ras_err_event_athub_interrupt = nbio_v7_4_init_ras_err_event_athub_interrupt, + .query_ras_error_count = nbio_v7_4_query_ras_error_count, + .ras_late_init = amdgpu_nbio_ras_late_init, }; |
