Lines Matching refs:wptr
3395 next_rptr = ring->wptr + 3 + 4 + 8;
3401 next_rptr = ring->wptr + 5 + 4 + 8;
3658 ring->wptr = 0;
3659 WREG32(CP_RB0_WPTR, ring->wptr);
3689 ring->wptr = 0;
3690 WREG32(CP_RB1_WPTR, ring->wptr);
3713 ring->wptr = 0;
3714 WREG32(CP_RB2_WPTR, ring->wptr);
5921 /* set rptr, wptr to 0 */
6007 /* set rptr, wptr to 0 */
6192 u32 wptr, tmp;
6195 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
6197 wptr = RREG32(IH_RB_WPTR);
6199 if (wptr & RB_OVERFLOW) {
6200 wptr &= ~RB_OVERFLOW;
6202 * from the last not overwritten vector (wptr + 16). Hopefully
6206 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
6207 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
6212 return (wptr & rdev->ih.ptr_mask);
6230 u32 wptr;
6243 wptr = si_get_ih_wptr(rdev);
6251 DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
6253 /* Order reading of wptr vs. reading of IH ring data */
6259 while (rptr != wptr) {
6260 /* wptr/rptr are in bytes! */
6414 /* wptr/rptr are in bytes! */
6428 /* make sure wptr hasn't changed while processing */
6429 wptr = si_get_ih_wptr(rdev);
6430 if (wptr != rptr)