diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 90 |
1 files changed, 89 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c index 0829188c1a5c..0afd610a1263 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -26,6 +26,7 @@ #include "amdgpu.h" #include "amdgpu_psp.h" +#include "amdgpu_ras.h" #include "amdgpu_ucode.h" #include "soc15_common.h" #include "psp_v11_0.h" @@ -65,6 +66,9 @@ MODULE_FIRMWARE("amdgpu/arcturus_ta.bin"); /* memory training timeout define */ #define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000 +/* For large FW files the time to complete can be very long */ +#define USBC_PD_POLLING_LIMIT_S 240 + static int psp_v11_0_init_microcode(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; @@ -420,7 +424,8 @@ static int psp_v11_0_ring_init(struct psp_context *psp, struct psp_ring *ring; struct amdgpu_device *adev = psp->adev; - psp_v11_0_reroute_ih(psp); + if (!amdgpu_sriov_vf(adev)) + psp_v11_0_reroute_ih(psp); ring = &psp->km_ring; @@ -864,6 +869,11 @@ static int psp_v11_0_ras_trigger_error(struct psp_context *psp, if (ret) return -EINVAL; + /* If err_event_athub occurs error inject was successful, however + return status from TA is no long reliable */ + if (amdgpu_ras_intr_triggered()) + return 0; + return ras_cmd->ras_status; } @@ -1108,6 +1118,82 @@ static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value) WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value); } +static int psp_v11_0_load_usbc_pd_fw(struct psp_context *psp, dma_addr_t dma_addr) +{ + struct amdgpu_device *adev = psp->adev; + uint32_t reg_status; + int ret, i = 0; + + /* Write lower 32-bit address of the PD Controller FW */ + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, lower_32_bits(dma_addr)); + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (ret) + return ret; + + /* Fireup interrupt so PSP can pick up the lower address */ + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 0x800000); + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (ret) + return ret; + + reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35); + + if ((reg_status & 0xFFFF) != 0) { + DRM_ERROR("Lower address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %02x...\n", + reg_status & 0xFFFF); + return -EIO; + } + + /* Write upper 32-bit address of the PD Controller FW */ + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, upper_32_bits(dma_addr)); + + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (ret) + return ret; + + /* Fireup interrupt so PSP can pick up the upper address */ + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 0x4000000); + + /* FW load takes very long time */ + do { + msleep(1000); + reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35); + + if (reg_status & 0x80000000) + goto done; + + } while (++i < USBC_PD_POLLING_LIMIT_S); + + return -ETIME; +done: + + if ((reg_status & 0xFFFF) != 0) { + DRM_ERROR("Upper address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = x%04x\n", + reg_status & 0xFFFF); + return -EIO; + } + + return 0; +} + +static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver) +{ + struct amdgpu_device *adev = psp->adev; + int ret; + + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER); + + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (!ret) + *fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36); + + return ret; +} + static const struct psp_funcs psp_v11_0_funcs = { .init_microcode = psp_v11_0_init_microcode, .bootloader_load_kdb = psp_v11_0_bootloader_load_kdb, @@ -1132,6 +1218,8 @@ static const struct psp_funcs psp_v11_0_funcs = { .mem_training = psp_v11_0_memory_training, .ring_get_wptr = psp_v11_0_ring_get_wptr, .ring_set_wptr = psp_v11_0_ring_set_wptr, + .load_usbc_pd_fw = psp_v11_0_load_usbc_pd_fw, + .read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw }; void psp_v11_0_set_psp_funcs(struct psp_context *psp) |