adev->nbio.funcs->enable_doorbell_interrupt)
adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
+ if (amdgpu_passthrough(adev) &&
+ adev->nbio.funcs->clear_doorbell_interrupt)
+ adev->nbio.funcs->clear_doorbell_interrupt(adev);
+
return 0;
}
WREG32_PCIE(smnPCIE_LC_LINK_WIDTH_CNTL, reg_data);
}
+static void nbio_v2_3_clear_doorbell_interrupt(struct amdgpu_device *adev)
+{
+ uint32_t reg, reg_data;
+
+ if (adev->asic_type != CHIP_SIENNA_CICHLID)
+ return;
+
+ reg = RREG32_SOC15(NBIO, 0, mmBIF_RB_CNTL);
+
+ /* Clear Interrupt Status
+ */
+ if ((reg & BIF_RB_CNTL__RB_ENABLE_MASK) == 0) {
+ reg = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
+ if (reg & BIF_DOORBELL_INT_CNTL__DOORBELL_INTERRUPT_STATUS_MASK) {
+ reg_data = 1 << BIF_DOORBELL_INT_CNTL__DOORBELL_INTERRUPT_CLEAR__SHIFT;
+ WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, reg_data);
+ }
+ }
+}
+
const struct amdgpu_nbio_funcs nbio_v2_3_funcs = {
.get_hdp_flush_req_offset = nbio_v2_3_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v2_3_get_hdp_flush_done_offset,
.program_aspm = nbio_v2_3_program_aspm,
.apply_lc_spc_mode_wa = nbio_v2_3_apply_lc_spc_mode_wa,
.apply_l1_link_width_reconfig_wa = nbio_v2_3_apply_l1_link_width_reconfig_wa,
+ .clear_doorbell_interrupt = nbio_v2_3_clear_doorbell_interrupt,
};