| 1711,3 → 1711,18 |
|---|
| return 0; |
| #endif |
| } |
| |
| /** |
| * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl |
| * rdev: radeon device structure |
| * bo: buffer object struct which userspace is waiting for idle |
| * |
| * Some R6XX/R7XX doesn't seems to take into account HDP flush performed |
| * through ring buffer, this leads to corruption in rendering, see |
| * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we |
| * directly perform HDP flush by writing register through MMIO. |
| */ |
| void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo) |
| { |
| WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); |
| } |