diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c index 91a9305d42e8..aacb1fb5c73e 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c @@ -605,6 +605,26 @@ static bool hubbub2_program_watermarks( return wm_pending; } +void hubbub2_read_state(struct hubbub *hubbub, struct dcn_hubbub_state *hubbub_state) +{ + struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub); + + if (REG(DCN_VM_FAULT_ADDR_MSB)) + hubbub_state->vm_fault_addr_msb = REG_READ(DCN_VM_FAULT_ADDR_MSB); + + if (REG(DCN_VM_FAULT_ADDR_LSB)) + hubbub_state->vm_fault_addr_msb = REG_READ(DCN_VM_FAULT_ADDR_LSB); + + if (REG(DCN_VM_FAULT_CNTL)) + REG_GET(DCN_VM_FAULT_CNTL, DCN_VM_ERROR_STATUS_MODE, &hubbub_state->vm_error_mode); + + if (REG(DCN_VM_FAULT_STATUS)) { + REG_GET(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_STATUS, &hubbub_state->vm_error_status); + REG_GET(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_VMID, &hubbub_state->vm_error_vmid); + REG_GET(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_PIPE, &hubbub_state->vm_error_pipe); + } +} + static const struct hubbub_funcs hubbub2_funcs = { .update_dchub = hubbub2_update_dchub, .init_dchub_sys_ctx = hubbub2_init_dchub_sys_ctx, @@ -617,6 +637,7 @@ static const struct hubbub_funcs hubbub2_funcs = { .program_watermarks = hubbub2_program_watermarks, .is_allow_self_refresh_enabled = hubbub1_is_allow_self_refresh_enabled, .allow_self_refresh_control = hubbub1_allow_self_refresh_control, + .hubbub_read_state = hubbub2_read_state, }; void hubbub2_construct(struct dcn20_hubbub *hubbub, |