2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include "radeon/r600_cs.h"
31 #include "util/u_format.h"
33 static void si_dma_copy_buffer(struct si_context
*ctx
,
34 struct pipe_resource
*dst
,
35 struct pipe_resource
*src
,
40 struct radeon_winsys_cs
*cs
= ctx
->b
.dma
.cs
;
41 unsigned i
, ncopy
, csize
, max_csize
, sub_cmd
, shift
;
42 struct r600_resource
*rdst
= (struct r600_resource
*)dst
;
43 struct r600_resource
*rsrc
= (struct r600_resource
*)src
;
45 /* Mark the buffer range of destination as valid (initialized),
46 * so that transfer_map knows it should wait for the GPU when mapping
48 util_range_add(&rdst
->valid_buffer_range
, dst_offset
,
51 dst_offset
+= rdst
->gpu_address
;
52 src_offset
+= rsrc
->gpu_address
;
54 /* see if we use dword or byte copy */
55 if (!(dst_offset
% 4) && !(src_offset
% 4) && !(size
% 4)) {
57 sub_cmd
= SI_DMA_COPY_DWORD_ALIGNED
;
59 max_csize
= SI_DMA_COPY_MAX_SIZE_DW
;
61 sub_cmd
= SI_DMA_COPY_BYTE_ALIGNED
;
63 max_csize
= SI_DMA_COPY_MAX_SIZE
;
65 ncopy
= (size
/ max_csize
) + !!(size
% max_csize
);
67 r600_need_dma_space(&ctx
->b
, ncopy
* 5, rdst
, rsrc
);
69 for (i
= 0; i
< ncopy
; i
++) {
70 csize
= size
< max_csize
? size
: max_csize
;
71 radeon_emit(cs
, SI_DMA_PACKET(SI_DMA_PACKET_COPY
, sub_cmd
, csize
));
72 radeon_emit(cs
, dst_offset
);
73 radeon_emit(cs
, src_offset
);
74 radeon_emit(cs
, (dst_offset
>> 32UL) & 0xff);
75 radeon_emit(cs
, (src_offset
>> 32UL) & 0xff);
76 dst_offset
+= csize
<< shift
;
77 src_offset
+= csize
<< shift
;
80 r600_dma_emit_wait_idle(&ctx
->b
);
83 static void si_dma_copy_tile(struct si_context
*ctx
,
84 struct pipe_resource
*dst
,
89 struct pipe_resource
*src
,
98 struct radeon_winsys_cs
*cs
= ctx
->b
.dma
.cs
;
99 struct r600_texture
*rsrc
= (struct r600_texture
*)src
;
100 struct r600_texture
*rdst
= (struct r600_texture
*)dst
;
101 unsigned dst_mode
= rdst
->surface
.level
[dst_level
].mode
;
102 unsigned src_mode
= rsrc
->surface
.level
[src_level
].mode
;
103 bool detile
= dst_mode
== RADEON_SURF_MODE_LINEAR_ALIGNED
;
104 struct r600_texture
*rlinear
= detile
? rdst
: rsrc
;
105 struct r600_texture
*rtiled
= detile
? rsrc
: rdst
;
106 unsigned linear_lvl
= detile
? dst_level
: src_level
;
107 unsigned tiled_lvl
= detile
? src_level
: dst_level
;
108 struct radeon_info
*info
= &ctx
->screen
->b
.info
;
109 unsigned index
= rtiled
->surface
.tiling_index
[tiled_lvl
];
110 unsigned tile_mode
= info
->si_tile_mode_array
[index
];
111 unsigned array_mode
, lbpp
, pitch_tile_max
, slice_tile_max
, size
;
112 unsigned ncopy
, height
, cheight
, i
;
113 unsigned linear_x
, linear_y
, linear_z
, tiled_x
, tiled_y
, tiled_z
;
114 unsigned sub_cmd
, bank_h
, bank_w
, mt_aspect
, nbanks
, tile_split
, mt
;
116 unsigned pipe_config
;
118 assert(dst_mode
!= src_mode
);
120 sub_cmd
= SI_DMA_COPY_TILED
;
121 lbpp
= util_logbase2(bpp
);
122 pitch_tile_max
= ((pitch
/ bpp
) / 8) - 1;
124 linear_x
= detile
? dst_x
: src_x
;
125 linear_y
= detile
? dst_y
: src_y
;
126 linear_z
= detile
? dst_z
: src_z
;
127 tiled_x
= detile
? src_x
: dst_x
;
128 tiled_y
= detile
? src_y
: dst_y
;
129 tiled_z
= detile
? src_z
: dst_z
;
131 assert(!util_format_is_depth_and_stencil(rtiled
->resource
.b
.b
.format
));
133 array_mode
= G_009910_ARRAY_MODE(tile_mode
);
134 slice_tile_max
= (rtiled
->surface
.level
[tiled_lvl
].nblk_x
*
135 rtiled
->surface
.level
[tiled_lvl
].nblk_y
) / (8*8) - 1;
136 /* linear height must be the same as the slice tile max height, it's ok even
137 * if the linear destination/source have smaller heigh as the size of the
138 * dma packet will be using the copy_height which is always smaller or equal
139 * to the linear height
141 height
= rtiled
->surface
.level
[tiled_lvl
].nblk_y
;
142 base
= rtiled
->surface
.level
[tiled_lvl
].offset
;
143 addr
= rlinear
->surface
.level
[linear_lvl
].offset
;
144 addr
+= rlinear
->surface
.level
[linear_lvl
].slice_size
* linear_z
;
145 addr
+= linear_y
* pitch
+ linear_x
* bpp
;
146 bank_h
= G_009910_BANK_HEIGHT(tile_mode
);
147 bank_w
= G_009910_BANK_WIDTH(tile_mode
);
148 mt_aspect
= G_009910_MACRO_TILE_ASPECT(tile_mode
);
149 /* Non-depth modes don't have TILE_SPLIT set. */
150 tile_split
= util_logbase2(rtiled
->surface
.tile_split
>> 6);
151 nbanks
= G_009910_NUM_BANKS(tile_mode
);
152 base
+= rtiled
->resource
.gpu_address
;
153 addr
+= rlinear
->resource
.gpu_address
;
155 pipe_config
= G_009910_PIPE_CONFIG(tile_mode
);
156 mt
= G_009910_MICRO_TILE_MODE(tile_mode
);
157 size
= (copy_height
* pitch
) / 4;
158 ncopy
= (size
/ SI_DMA_COPY_MAX_SIZE_DW
) + !!(size
% SI_DMA_COPY_MAX_SIZE_DW
);
159 r600_need_dma_space(&ctx
->b
, ncopy
* 9, &rdst
->resource
, &rsrc
->resource
);
161 for (i
= 0; i
< ncopy
; i
++) {
162 cheight
= copy_height
;
163 if (((cheight
* pitch
) / 4) > SI_DMA_COPY_MAX_SIZE_DW
) {
164 cheight
= (SI_DMA_COPY_MAX_SIZE_DW
* 4) / pitch
;
166 size
= (cheight
* pitch
) / 4;
167 radeon_emit(cs
, SI_DMA_PACKET(SI_DMA_PACKET_COPY
, sub_cmd
, size
));
168 radeon_emit(cs
, base
>> 8);
169 radeon_emit(cs
, (detile
<< 31) | (array_mode
<< 27) |
170 (lbpp
<< 24) | (bank_h
<< 21) |
171 (bank_w
<< 18) | (mt_aspect
<< 16));
172 radeon_emit(cs
, (pitch_tile_max
<< 0) | ((height
- 1) << 16));
173 radeon_emit(cs
, (slice_tile_max
<< 0) | (pipe_config
<< 26));
174 radeon_emit(cs
, (tiled_x
<< 0) | (tiled_z
<< 18));
175 radeon_emit(cs
, (tiled_y
<< 0) | (tile_split
<< 21) | (nbanks
<< 25) | (mt
<< 27));
176 radeon_emit(cs
, addr
& 0xfffffffc);
177 radeon_emit(cs
, (addr
>> 32UL) & 0xff);
178 copy_height
-= cheight
;
179 addr
+= cheight
* pitch
;
182 r600_dma_emit_wait_idle(&ctx
->b
);
185 static void si_dma_copy(struct pipe_context
*ctx
,
186 struct pipe_resource
*dst
,
188 unsigned dstx
, unsigned dsty
, unsigned dstz
,
189 struct pipe_resource
*src
,
191 const struct pipe_box
*src_box
)
193 struct si_context
*sctx
= (struct si_context
*)ctx
;
194 struct r600_texture
*rsrc
= (struct r600_texture
*)src
;
195 struct r600_texture
*rdst
= (struct r600_texture
*)dst
;
196 unsigned dst_pitch
, src_pitch
, bpp
, dst_mode
, src_mode
;
197 unsigned src_w
, dst_w
;
198 unsigned src_x
, src_y
;
199 unsigned dst_x
= dstx
, dst_y
= dsty
, dst_z
= dstz
;
201 if (sctx
->b
.dma
.cs
== NULL
) {
205 if (dst
->target
== PIPE_BUFFER
&& src
->target
== PIPE_BUFFER
) {
206 si_dma_copy_buffer(sctx
, dst
, src
, dst_x
, src_box
->x
, src_box
->width
);
210 /* XXX: Using the asynchronous DMA engine for multi-dimensional
211 * operations seems to cause random GPU lockups for various people.
212 * While the root cause for this might need to be fixed in the kernel,
213 * let's disable it for now.
215 * Before re-enabling this, please make sure you can hit all newly
216 * enabled paths in your testing, preferably with both piglit and real
217 * world apps, and get in touch with people on the bug reports below
218 * for stability testing.
220 * https://bugs.freedesktop.org/show_bug.cgi?id=85647
221 * https://bugs.freedesktop.org/show_bug.cgi?id=83500
225 if (src_box
->depth
> 1 ||
226 !r600_prepare_for_dma_blit(&sctx
->b
, rdst
, dst_level
, dstx
, dsty
,
227 dstz
, rsrc
, src_level
, src_box
))
230 src_x
= util_format_get_nblocksx(src
->format
, src_box
->x
);
231 dst_x
= util_format_get_nblocksx(src
->format
, dst_x
);
232 src_y
= util_format_get_nblocksy(src
->format
, src_box
->y
);
233 dst_y
= util_format_get_nblocksy(src
->format
, dst_y
);
235 bpp
= rdst
->surface
.bpe
;
236 dst_pitch
= rdst
->surface
.level
[dst_level
].pitch_bytes
;
237 src_pitch
= rsrc
->surface
.level
[src_level
].pitch_bytes
;
238 src_w
= rsrc
->surface
.level
[src_level
].npix_x
;
239 dst_w
= rdst
->surface
.level
[dst_level
].npix_x
;
241 dst_mode
= rdst
->surface
.level
[dst_level
].mode
;
242 src_mode
= rsrc
->surface
.level
[src_level
].mode
;
244 if (src_pitch
!= dst_pitch
|| src_box
->x
|| dst_x
|| src_w
!= dst_w
||
245 src_box
->width
!= src_w
||
246 src_box
->height
!= rsrc
->surface
.level
[src_level
].npix_y
||
247 src_box
->height
!= rdst
->surface
.level
[dst_level
].npix_y
||
248 rsrc
->surface
.level
[src_level
].nblk_y
!=
249 rdst
->surface
.level
[dst_level
].nblk_y
) {
250 /* FIXME si can do partial blit */
253 /* the x test here are currently useless (because we don't support partial blit)
254 * but keep them around so we don't forget about those
256 if ((src_pitch
% 8) || (src_box
->x
% 8) || (dst_x
% 8) ||
257 (src_box
->y
% 8) || (dst_y
% 8) || (src_box
->height
% 8)) {
261 if (src_mode
== dst_mode
) {
262 uint64_t dst_offset
, src_offset
;
263 /* simple dma blit would do NOTE code here assume :
266 * dst_pitch == src_pitch
268 src_offset
= rsrc
->surface
.level
[src_level
].offset
;
269 src_offset
+= rsrc
->surface
.level
[src_level
].slice_size
* src_box
->z
;
270 src_offset
+= src_y
* src_pitch
+ src_x
* bpp
;
271 dst_offset
= rdst
->surface
.level
[dst_level
].offset
;
272 dst_offset
+= rdst
->surface
.level
[dst_level
].slice_size
* dst_z
;
273 dst_offset
+= dst_y
* dst_pitch
+ dst_x
* bpp
;
274 si_dma_copy_buffer(sctx
, dst
, src
, dst_offset
, src_offset
,
275 rsrc
->surface
.level
[src_level
].slice_size
);
277 si_dma_copy_tile(sctx
, dst
, dst_level
, dst_x
, dst_y
, dst_z
,
278 src
, src_level
, src_x
, src_y
, src_box
->z
,
279 src_box
->height
/ rsrc
->surface
.blk_h
,
285 si_resource_copy_region(ctx
, dst
, dst_level
, dstx
, dsty
, dstz
,
286 src
, src_level
, src_box
);
289 void si_init_dma_functions(struct si_context
*sctx
)
291 sctx
->b
.dma_copy
= si_dma_copy
;