1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index a99f71797aa3..a0fda6f9252a 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -129,7 +129,7 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
         else
                 wptr_off = adev->wb.gpu_addr + (adev->irq.ih.wptr_offs * 4);
         WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_LO, lower_32_bits(wptr_off));
-        WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_HI, upper_32_bits(wptr_off) & 0xFF);
+        WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_HI, upper_32_bits(wptr_off) & 0xFFFF);
 
         /* set rptr, wptr to 0 */
         WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0);