diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r300.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r300.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 654aca1cdf05..a4f395226b34 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -201,50 +201,6 @@ void r300_fence_ring_emit(struct radeon_device *rdev, radeon_ring_write(rdev, RADEON_SW_INT_FIRE); } -int r300_copy_dma(struct radeon_device *rdev, - uint64_t src_offset, - uint64_t dst_offset, - unsigned num_pages, - struct radeon_fence *fence) -{ - uint32_t size; - uint32_t cur_size; - int i, num_loops; - int r = 0; - - /* radeon pitch is /64 */ - size = num_pages << PAGE_SHIFT; - num_loops = DIV_ROUND_UP(size, 0x1FFFFF); - r = radeon_ring_lock(rdev, num_loops * 4 + 64); - if (r) { - DRM_ERROR("radeon: moving bo (%d).\n", r); - return r; - } - /* Must wait for 2D idle & clean before DMA or hangs might happen */ - radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0 )); - radeon_ring_write(rdev, RADEON_WAIT_2D_IDLECLEAN); - for (i = 0; i < num_loops; i++) { - cur_size = size; - if (cur_size > 0x1FFFFF) { - cur_size = 0x1FFFFF; - } - size -= cur_size; - radeon_ring_write(rdev, PACKET0(0x720, 2)); - radeon_ring_write(rdev, src_offset); - radeon_ring_write(rdev, dst_offset); - radeon_ring_write(rdev, cur_size | (1 << 31) | (1 << 30)); - src_offset += cur_size; - dst_offset += cur_size; - } - radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0)); - radeon_ring_write(rdev, RADEON_WAIT_DMA_GUI_IDLE); - if (fence) { - r = radeon_fence_emit(rdev, fence); - } - radeon_ring_unlock_commit(rdev); - return r; -} - void r300_ring_start(struct radeon_device *rdev) { unsigned gb_tile_config; |
