Lines Matching refs:doorbell
1720 * cik_mm_rdoorbell - read a doorbell dword
1723 * @index: doorbell index
1725 * Returns the value in the doorbell aperture at the
1726 * requested doorbell index (CIK).
1730 if (index < rdev->doorbell.num_doorbells) {
1731 return readl(rdev->doorbell.ptr + index);
1733 DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index);
1739 * cik_mm_wdoorbell - write a doorbell dword
1742 * @index: doorbell index
1745 * Writes @v to the doorbell aperture at the
1746 * requested doorbell index (CIK).
1750 if (index < rdev->doorbell.num_doorbells) {
1751 writel(v, rdev->doorbell.ptr + index);
1753 DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index);
4614 /* enable doorbell? */
4699 /* enable the doorbell if requested */