mmSDMA0_PAGE_RB_WPTR_HI
SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR_HI),
WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_HI, 0);
wptr = RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI);
WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI,
SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR_HI),
SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR_HI),