+ if (rdev->msi_enabled) {
+ switch (rdev->family) {
+ case CHIP_RS400:
+ case CHIP_RS480:
+ msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
+ WREG32(RADEON_AIC_CNTL, msi_rearm);
+ WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
+ break;
+ default:
+ msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
+ WREG32(RADEON_MSI_REARM_EN, msi_rearm);
+ WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
+ break;
+ }
+ }