1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index ec46eb45e34c..c05865e5521f 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -684,9 +684,7 @@ int rs600_irq_process(struct radeon_device *rdev)
                         WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_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);
+                        WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
                         break;
                 }
         }