/* * Copyright 2010 Jerome Glisse * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Jerome Glisse */ #include "sid.h" #include "si_pipe.h" #include "radeon/r600_cs.h" #include "util/u_format.h" static void si_dma_copy_buffer(struct si_context *ctx, struct pipe_resource *dst, struct pipe_resource *src, uint64_t dst_offset, uint64_t src_offset, uint64_t size) { struct radeon_winsys_cs *cs = ctx->b.dma.cs; unsigned i, ncopy, csize, max_csize, sub_cmd, shift; struct r600_resource *rdst = (struct r600_resource*)dst; struct r600_resource *rsrc = (struct r600_resource*)src; /* Mark the buffer range of destination as valid (initialized), * so that transfer_map knows it should wait for the GPU when mapping * that range. */ util_range_add(&rdst->valid_buffer_range, dst_offset, dst_offset + size); dst_offset += rdst->gpu_address; src_offset += rsrc->gpu_address; /* see if we use dword or byte copy */ if (!(dst_offset % 4) && !(src_offset % 4) && !(size % 4)) { size >>= 2; sub_cmd = SI_DMA_COPY_DWORD_ALIGNED; shift = 2; max_csize = SI_DMA_COPY_MAX_SIZE_DW; } else { sub_cmd = SI_DMA_COPY_BYTE_ALIGNED; shift = 0; max_csize = SI_DMA_COPY_MAX_SIZE; } ncopy = (size / max_csize) + !!(size % max_csize); r600_need_dma_space(&ctx->b, ncopy * 5); radeon_add_to_buffer_list(&ctx->b, &ctx->b.dma, rsrc, RADEON_USAGE_READ, RADEON_PRIO_SDMA_BUFFER); radeon_add_to_buffer_list(&ctx->b, &ctx->b.dma, rdst, RADEON_USAGE_WRITE, RADEON_PRIO_SDMA_BUFFER); for (i = 0; i < ncopy; i++) { csize = size < max_csize ? size : max_csize; cs->buf[cs->cdw++] = SI_DMA_PACKET(SI_DMA_PACKET_COPY, sub_cmd, csize); cs->buf[cs->cdw++] = dst_offset; cs->buf[cs->cdw++] = src_offset; cs->buf[cs->cdw++] = (dst_offset >> 32UL) & 0xff; cs->buf[cs->cdw++] = (src_offset >> 32UL) & 0xff; dst_offset += csize << shift; src_offset += csize << shift; size -= csize; } } static void si_dma_copy_tile(struct si_context *ctx, struct pipe_resource *dst, unsigned dst_level, unsigned dst_x, unsigned dst_y, unsigned dst_z, struct pipe_resource *src, unsigned src_level, unsigned src_x, unsigned src_y, unsigned src_z, unsigned copy_height, unsigned pitch, unsigned bpp) { struct radeon_winsys_cs *cs = ctx->b.dma.cs; struct r600_texture *rsrc = (struct r600_texture*)src; struct r600_texture *rdst = (struct r600_texture*)dst; unsigned dst_mode = rdst->surface.level[dst_level].mode; unsigned src_mode = rsrc->surface.level[src_level].mode; bool detile = dst_mode == RADEON_SURF_MODE_LINEAR_ALIGNED; struct r600_texture *rlinear = detile ? rdst : rsrc; struct r600_texture *rtiled = detile ? rsrc : rdst; unsigned linear_lvl = detile ? dst_level : src_level; unsigned tiled_lvl = detile ? src_level : dst_level; struct radeon_info *info = &ctx->screen->b.info; unsigned index = rtiled->surface.tiling_index[tiled_lvl]; unsigned tile_mode = info->si_tile_mode_array[index]; unsigned array_mode, lbpp, pitch_tile_max, slice_tile_max, size; unsigned ncopy, height, cheight, i; unsigned linear_x, linear_y, linear_z, tiled_x, tiled_y, tiled_z; unsigned sub_cmd, bank_h, bank_w, mt_aspect, nbanks, tile_split, mt; uint64_t base, addr; unsigned pipe_config; assert(dst_mode != src_mode); sub_cmd = SI_DMA_COPY_TILED; lbpp = util_logbase2(bpp); pitch_tile_max = ((pitch / bpp) / 8) - 1; linear_x = detile ? dst_x : src_x; linear_y = detile ? dst_y : src_y; linear_z = detile ? dst_z : src_z; tiled_x = detile ? src_x : dst_x; tiled_y = detile ? src_y : dst_y; tiled_z = detile ? src_z : dst_z; assert(!util_format_is_depth_and_stencil(rtiled->resource.b.b.format)); array_mode = G_009910_ARRAY_MODE(tile_mode); slice_tile_max = (rtiled->surface.level[tiled_lvl].nblk_x * rtiled->surface.level[tiled_lvl].nblk_y) / (8*8) - 1; /* linear height must be the same as the slice tile max height, it's ok even * if the linear destination/source have smaller heigh as the size of the * dma packet will be using the copy_height which is always smaller or equal * to the linear height */ height = rtiled->surface.level[tiled_lvl].nblk_y; base = rtiled->surface.level[tiled_lvl].offset; addr = rlinear->surface.level[linear_lvl].offset; addr += rlinear->surface.level[linear_lvl].slice_size * linear_z; addr += linear_y * pitch + linear_x * bpp; bank_h = G_009910_BANK_HEIGHT(tile_mode); bank_w = G_009910_BANK_WIDTH(tile_mode); mt_aspect = G_009910_MACRO_TILE_ASPECT(tile_mode); /* Non-depth modes don't have TILE_SPLIT set. */ tile_split = util_logbase2(rtiled->surface.tile_split >> 6); nbanks = G_009910_NUM_BANKS(tile_mode); base += rtiled->resource.gpu_address; addr += rlinear->resource.gpu_address; pipe_config = G_009910_PIPE_CONFIG(tile_mode); mt = G_009910_MICRO_TILE_MODE(tile_mode); size = (copy_height * pitch) / 4; ncopy = (size / SI_DMA_COPY_MAX_SIZE_DW) + !!(size % SI_DMA_COPY_MAX_SIZE_DW); r600_need_dma_space(&ctx->b, ncopy * 9); radeon_add_to_buffer_list(&ctx->b, &ctx->b.dma, &rsrc->resource, RADEON_USAGE_READ, RADEON_PRIO_SDMA_TEXTURE); radeon_add_to_buffer_list(&ctx->b, &ctx->b.dma, &rdst->resource, RADEON_USAGE_WRITE, RADEON_PRIO_SDMA_TEXTURE); for (i = 0; i < ncopy; i++) { cheight = copy_height; if (((cheight * pitch) / 4) > SI_DMA_COPY_MAX_SIZE_DW) { cheight = (SI_DMA_COPY_MAX_SIZE_DW * 4) / pitch; } size = (cheight * pitch) / 4; cs->buf[cs->cdw++] = SI_DMA_PACKET(SI_DMA_PACKET_COPY, sub_cmd, size); cs->buf[cs->cdw++] = base >> 8; cs->buf[cs->cdw++] = (detile << 31) | (array_mode << 27) | (lbpp << 24) | (bank_h << 21) | (bank_w << 18) | (mt_aspect << 16); cs->buf[cs->cdw++] = (pitch_tile_max << 0) | ((height - 1) << 16); cs->buf[cs->cdw++] = (slice_tile_max << 0) | (pipe_config << 26); cs->buf[cs->cdw++] = (tiled_x << 0) | (tiled_z << 18); cs->buf[cs->cdw++] = (tiled_y << 0) | (tile_split << 21) | (nbanks << 25) | (mt << 27); cs->buf[cs->cdw++] = addr & 0xfffffffc; cs->buf[cs->cdw++] = (addr >> 32UL) & 0xff; copy_height -= cheight; addr += cheight * pitch; tiled_y += cheight; } } static void si_dma_copy(struct pipe_context *ctx, struct pipe_resource *dst, unsigned dst_level, unsigned dstx, unsigned dsty, unsigned dstz, struct pipe_resource *src, unsigned src_level, const struct pipe_box *src_box) { struct si_context *sctx = (struct si_context *)ctx; struct r600_texture *rsrc = (struct r600_texture*)src; struct r600_texture *rdst = (struct r600_texture*)dst; unsigned dst_pitch, src_pitch, bpp, dst_mode, src_mode; unsigned src_w, dst_w; unsigned src_x, src_y; unsigned dst_x = dstx, dst_y = dsty, dst_z = dstz; if (sctx->b.dma.cs == NULL) { goto fallback; } if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { si_dma_copy_buffer(sctx, dst, src, dst_x, src_box->x, src_box->width); return; } /* XXX: Using the asynchronous DMA engine for multi-dimensional * operations seems to cause random GPU lockups for various people. * While the root cause for this might need to be fixed in the kernel, * let's disable it for now. * * Before re-enabling this, please make sure you can hit all newly * enabled paths in your testing, preferably with both piglit and real * world apps, and get in touch with people on the bug reports below * for stability testing. * * https://bugs.freedesktop.org/show_bug.cgi?id=85647 * https://bugs.freedesktop.org/show_bug.cgi?id=83500 */ goto fallback; if (src_box->depth > 1 || !r600_prepare_for_dma_blit(&sctx->b, rdst, dst_level, dstx, dsty, dstz, rsrc, src_level, src_box)) goto fallback; src_x = util_format_get_nblocksx(src->format, src_box->x); dst_x = util_format_get_nblocksx(src->format, dst_x); src_y = util_format_get_nblocksy(src->format, src_box->y); dst_y = util_format_get_nblocksy(src->format, dst_y); bpp = rdst->surface.bpe; dst_pitch = rdst->surface.level[dst_level].pitch_bytes; src_pitch = rsrc->surface.level[src_level].pitch_bytes; src_w = rsrc->surface.level[src_level].npix_x; dst_w = rdst->surface.level[dst_level].npix_x; dst_mode = rdst->surface.level[dst_level].mode; src_mode = rsrc->surface.level[src_level].mode; if (src_pitch != dst_pitch || src_box->x || dst_x || src_w != dst_w || src_box->width != src_w || src_box->height != rsrc->surface.level[src_level].npix_y || src_box->height != rdst->surface.level[dst_level].npix_y || rsrc->surface.level[src_level].nblk_y != rdst->surface.level[dst_level].nblk_y) { /* FIXME si can do partial blit */ goto fallback; } /* the x test here are currently useless (because we don't support partial blit) * but keep them around so we don't forget about those */ if ((src_pitch % 8) || (src_box->x % 8) || (dst_x % 8) || (src_box->y % 8) || (dst_y % 8) || (src_box->height % 8)) { goto fallback; } if (src_mode == dst_mode) { uint64_t dst_offset, src_offset; /* simple dma blit would do NOTE code here assume : * src_box.x/y == 0 * dst_x/y == 0 * dst_pitch == src_pitch */ src_offset= rsrc->surface.level[src_level].offset; src_offset += rsrc->surface.level[src_level].slice_size * src_box->z; src_offset += src_y * src_pitch + src_x * bpp; dst_offset = rdst->surface.level[dst_level].offset; dst_offset += rdst->surface.level[dst_level].slice_size * dst_z; dst_offset += dst_y * dst_pitch + dst_x * bpp; si_dma_copy_buffer(sctx, dst, src, dst_offset, src_offset, rsrc->surface.level[src_level].slice_size); } else { si_dma_copy_tile(sctx, dst, dst_level, dst_x, dst_y, dst_z, src, src_level, src_x, src_y, src_box->z, src_box->height / rsrc->surface.blk_h, dst_pitch, bpp); } return; fallback: si_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz, src, src_level, src_box); } void si_init_dma_functions(struct si_context *sctx) { sctx->b.dma_copy = si_dma_copy; }