Bug Summary

File:dev/pci/drm/amd/amdgpu/sdma_v3_0.c
Warning:line 626, column 14
The right operand of '+' is a garbage value due to array index out of bounds

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name sdma_v3_0.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -ffreestanding -mcmodel=kernel -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -target-feature -sse2 -target-feature -sse -target-feature -3dnow -target-feature -mmx -target-feature +save-args -disable-red-zone -no-implicit-float -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -nostdsysteminc -nobuiltininc -resource-dir /usr/local/lib/clang/13.0.0 -I /usr/src/sys -I /usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -I /usr/src/sys/arch -I /usr/src/sys/dev/pci/drm/include -I /usr/src/sys/dev/pci/drm/include/uapi -I /usr/src/sys/dev/pci/drm/amd/include/asic_reg -I /usr/src/sys/dev/pci/drm/amd/include -I /usr/src/sys/dev/pci/drm/amd/amdgpu -I /usr/src/sys/dev/pci/drm/amd/display -I /usr/src/sys/dev/pci/drm/amd/display/include -I /usr/src/sys/dev/pci/drm/amd/display/dc -I /usr/src/sys/dev/pci/drm/amd/display/amdgpu_dm -I /usr/src/sys/dev/pci/drm/amd/pm/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu11 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu12 -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/smumgr -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc/hw -I /usr/src/sys/dev/pci/drm/amd/display/dc/clk_mgr -I /usr/src/sys/dev/pci/drm/amd/display/modules/inc -I /usr/src/sys/dev/pci/drm/amd/display/modules/hdcp -I /usr/src/sys/dev/pci/drm/amd/display/dmub/inc -I /usr/src/sys/dev/pci/drm/i915 -D DDB -D DIAGNOSTIC -D KTRACE -D ACCOUNTING -D KMEMSTATS -D PTRACE -D POOL_DEBUG -D CRYPTO -D SYSVMSG -D SYSVSEM -D SYSVSHM -D UVM_SWAP_ENCRYPT -D FFS -D FFS2 -D FFS_SOFTUPDATES -D UFS_DIRHASH -D QUOTA -D EXT2FS -D MFS -D NFSCLIENT -D NFSSERVER -D CD9660 -D UDF -D MSDOSFS -D FIFO -D FUSE -D SOCKET_SPLICE -D TCP_ECN -D TCP_SIGNATURE -D INET6 -D IPSEC -D PPP_BSDCOMP -D PPP_DEFLATE -D PIPEX -D MROUTING -D MPLS -D BOOT_CONFIG -D USER_PCICONF -D APERTURE -D MTRR -D NTFS -D HIBERNATE -D PCIVERBOSE -D USBVERBOSE -D WSDISPLAY_COMPAT_USL -D WSDISPLAY_COMPAT_RAWKBD -D WSDISPLAY_DEFAULTSCREENS=6 -D X86EMU -D ONEWIREVERBOSE -D MULTIPROCESSOR -D MAXUSERS=80 -D _KERNEL -D CONFIG_DRM_AMD_DC_DCN3_0 -O2 -Wno-pointer-sign -Wno-address-of-packed-member -Wno-constant-conversion -Wno-unused-but-set-variable -Wno-gnu-folding-constant -fdebug-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -o /usr/obj/sys/arch/amd64/compile/GENERIC.MP/scan-build/2022-01-12-131800-47421-1 -x c /usr/src/sys/dev/pci/drm/amd/amdgpu/sdma_v3_0.c
1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Alex Deucher
23 */
24
25#include <linux/delay.h>
26#include <linux/firmware.h>
27#include <linux/module.h>
28
29#include "amdgpu.h"
30#include "amdgpu_ucode.h"
31#include "amdgpu_trace.h"
32#include "vi.h"
33#include "vid.h"
34
35#include "oss/oss_3_0_d.h"
36#include "oss/oss_3_0_sh_mask.h"
37
38#include "gmc/gmc_8_1_d.h"
39#include "gmc/gmc_8_1_sh_mask.h"
40
41#include "gca/gfx_8_0_d.h"
42#include "gca/gfx_8_0_enum.h"
43#include "gca/gfx_8_0_sh_mask.h"
44
45#include "bif/bif_5_0_d.h"
46#include "bif/bif_5_0_sh_mask.h"
47
48#include "tonga_sdma_pkt_open.h"
49
50#include "ivsrcid/ivsrcid_vislands30.h"
51
52static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev);
53static void sdma_v3_0_set_buffer_funcs(struct amdgpu_device *adev);
54static void sdma_v3_0_set_vm_pte_funcs(struct amdgpu_device *adev);
55static void sdma_v3_0_set_irq_funcs(struct amdgpu_device *adev);
56
57MODULE_FIRMWARE("amdgpu/tonga_sdma.bin");
58MODULE_FIRMWARE("amdgpu/tonga_sdma1.bin");
59MODULE_FIRMWARE("amdgpu/carrizo_sdma.bin");
60MODULE_FIRMWARE("amdgpu/carrizo_sdma1.bin");
61MODULE_FIRMWARE("amdgpu/fiji_sdma.bin");
62MODULE_FIRMWARE("amdgpu/fiji_sdma1.bin");
63MODULE_FIRMWARE("amdgpu/stoney_sdma.bin");
64MODULE_FIRMWARE("amdgpu/polaris10_sdma.bin");
65MODULE_FIRMWARE("amdgpu/polaris10_sdma1.bin");
66MODULE_FIRMWARE("amdgpu/polaris11_sdma.bin");
67MODULE_FIRMWARE("amdgpu/polaris11_sdma1.bin");
68MODULE_FIRMWARE("amdgpu/polaris12_sdma.bin");
69MODULE_FIRMWARE("amdgpu/polaris12_sdma1.bin");
70MODULE_FIRMWARE("amdgpu/vegam_sdma.bin");
71MODULE_FIRMWARE("amdgpu/vegam_sdma1.bin");
72
73
74static const u32 sdma_offsets[SDMA_MAX_INSTANCE2] =
75{
76 SDMA0_REGISTER_OFFSET0x0,
77 SDMA1_REGISTER_OFFSET0x200
78};
79
80static const u32 golden_settings_tonga_a11[] =
81{
82 mmSDMA0_CHICKEN_BITS0x3405, 0xfc910007, 0x00810007,
83 mmSDMA0_CLK_CTRL0x3403, 0xff000fff, 0x00000000,
84 mmSDMA0_GFX_IB_CNTL0x348a, 0x800f0111, 0x00000100,
85 mmSDMA0_RLC0_IB_CNTL0x350a, 0x800f0111, 0x00000100,
86 mmSDMA0_RLC1_IB_CNTL0x358a, 0x800f0111, 0x00000100,
87 mmSDMA1_CHICKEN_BITS0x3605, 0xfc910007, 0x00810007,
88 mmSDMA1_CLK_CTRL0x3603, 0xff000fff, 0x00000000,
89 mmSDMA1_GFX_IB_CNTL0x368a, 0x800f0111, 0x00000100,
90 mmSDMA1_RLC0_IB_CNTL0x370a, 0x800f0111, 0x00000100,
91 mmSDMA1_RLC1_IB_CNTL0x378a, 0x800f0111, 0x00000100,
92};
93
94static const u32 tonga_mgcg_cgcg_init[] =
95{
96 mmSDMA0_CLK_CTRL0x3403, 0xff000ff0, 0x00000100,
97 mmSDMA1_CLK_CTRL0x3603, 0xff000ff0, 0x00000100
98};
99
100static const u32 golden_settings_fiji_a10[] =
101{
102 mmSDMA0_CHICKEN_BITS0x3405, 0xfc910007, 0x00810007,
103 mmSDMA0_GFX_IB_CNTL0x348a, 0x800f0111, 0x00000100,
104 mmSDMA0_RLC0_IB_CNTL0x350a, 0x800f0111, 0x00000100,
105 mmSDMA0_RLC1_IB_CNTL0x358a, 0x800f0111, 0x00000100,
106 mmSDMA1_CHICKEN_BITS0x3605, 0xfc910007, 0x00810007,
107 mmSDMA1_GFX_IB_CNTL0x368a, 0x800f0111, 0x00000100,
108 mmSDMA1_RLC0_IB_CNTL0x370a, 0x800f0111, 0x00000100,
109 mmSDMA1_RLC1_IB_CNTL0x378a, 0x800f0111, 0x00000100,
110};
111
112static const u32 fiji_mgcg_cgcg_init[] =
113{
114 mmSDMA0_CLK_CTRL0x3403, 0xff000ff0, 0x00000100,
115 mmSDMA1_CLK_CTRL0x3603, 0xff000ff0, 0x00000100
116};
117
118static const u32 golden_settings_polaris11_a11[] =
119{
120 mmSDMA0_CHICKEN_BITS0x3405, 0xfc910007, 0x00810007,
121 mmSDMA0_CLK_CTRL0x3403, 0xff000fff, 0x00000000,
122 mmSDMA0_GFX_IB_CNTL0x348a, 0x800f0111, 0x00000100,
123 mmSDMA0_RLC0_IB_CNTL0x350a, 0x800f0111, 0x00000100,
124 mmSDMA0_RLC1_IB_CNTL0x358a, 0x800f0111, 0x00000100,
125 mmSDMA1_CHICKEN_BITS0x3605, 0xfc910007, 0x00810007,
126 mmSDMA1_CLK_CTRL0x3603, 0xff000fff, 0x00000000,
127 mmSDMA1_GFX_IB_CNTL0x368a, 0x800f0111, 0x00000100,
128 mmSDMA1_RLC0_IB_CNTL0x370a, 0x800f0111, 0x00000100,
129 mmSDMA1_RLC1_IB_CNTL0x378a, 0x800f0111, 0x00000100,
130};
131
132static const u32 golden_settings_polaris10_a11[] =
133{
134 mmSDMA0_CHICKEN_BITS0x3405, 0xfc910007, 0x00810007,
135 mmSDMA0_CLK_CTRL0x3403, 0xff000fff, 0x00000000,
136 mmSDMA0_GFX_IB_CNTL0x348a, 0x800f0111, 0x00000100,
137 mmSDMA0_RLC0_IB_CNTL0x350a, 0x800f0111, 0x00000100,
138 mmSDMA0_RLC1_IB_CNTL0x358a, 0x800f0111, 0x00000100,
139 mmSDMA1_CHICKEN_BITS0x3605, 0xfc910007, 0x00810007,
140 mmSDMA1_CLK_CTRL0x3603, 0xff000fff, 0x00000000,
141 mmSDMA1_GFX_IB_CNTL0x368a, 0x800f0111, 0x00000100,
142 mmSDMA1_RLC0_IB_CNTL0x370a, 0x800f0111, 0x00000100,
143 mmSDMA1_RLC1_IB_CNTL0x378a, 0x800f0111, 0x00000100,
144};
145
146static const u32 cz_golden_settings_a11[] =
147{
148 mmSDMA0_CHICKEN_BITS0x3405, 0xfc910007, 0x00810007,
149 mmSDMA0_CLK_CTRL0x3403, 0xff000fff, 0x00000000,
150 mmSDMA0_GFX_IB_CNTL0x348a, 0x00000100, 0x00000100,
151 mmSDMA0_POWER_CNTL0x3402, 0x00000800, 0x0003c800,
152 mmSDMA0_RLC0_IB_CNTL0x350a, 0x00000100, 0x00000100,
153 mmSDMA0_RLC1_IB_CNTL0x358a, 0x00000100, 0x00000100,
154 mmSDMA1_CHICKEN_BITS0x3605, 0xfc910007, 0x00810007,
155 mmSDMA1_CLK_CTRL0x3603, 0xff000fff, 0x00000000,
156 mmSDMA1_GFX_IB_CNTL0x368a, 0x00000100, 0x00000100,
157 mmSDMA1_POWER_CNTL0x3602, 0x00000800, 0x0003c800,
158 mmSDMA1_RLC0_IB_CNTL0x370a, 0x00000100, 0x00000100,
159 mmSDMA1_RLC1_IB_CNTL0x378a, 0x00000100, 0x00000100,
160};
161
162static const u32 cz_mgcg_cgcg_init[] =
163{
164 mmSDMA0_CLK_CTRL0x3403, 0xff000ff0, 0x00000100,
165 mmSDMA1_CLK_CTRL0x3603, 0xff000ff0, 0x00000100
166};
167
168static const u32 stoney_golden_settings_a11[] =
169{
170 mmSDMA0_GFX_IB_CNTL0x348a, 0x00000100, 0x00000100,
171 mmSDMA0_POWER_CNTL0x3402, 0x00000800, 0x0003c800,
172 mmSDMA0_RLC0_IB_CNTL0x350a, 0x00000100, 0x00000100,
173 mmSDMA0_RLC1_IB_CNTL0x358a, 0x00000100, 0x00000100,
174};
175
176static const u32 stoney_mgcg_cgcg_init[] =
177{
178 mmSDMA0_CLK_CTRL0x3403, 0xffffffff, 0x00000100,
179};
180
181/*
182 * sDMA - System DMA
183 * Starting with CIK, the GPU has new asynchronous
184 * DMA engines. These engines are used for compute
185 * and gfx. There are two DMA engines (SDMA0, SDMA1)
186 * and each one supports 1 ring buffer used for gfx
187 * and 2 queues used for compute.
188 *
189 * The programming model is very similar to the CP
190 * (ring buffer, IBs, etc.), but sDMA has it's own
191 * packet format that is different from the PM4 format
192 * used by the CP. sDMA supports copying data, writing
193 * embedded data, solid fills, and a number of other
194 * things. It also has support for tiling/detiling of
195 * buffers.
196 */
197
198static void sdma_v3_0_init_golden_registers(struct amdgpu_device *adev)
199{
200 switch (adev->asic_type) {
201 case CHIP_FIJI:
202 amdgpu_device_program_register_sequence(adev,
203 fiji_mgcg_cgcg_init,
204 ARRAY_SIZE(fiji_mgcg_cgcg_init)(sizeof((fiji_mgcg_cgcg_init)) / sizeof((fiji_mgcg_cgcg_init)
[0])));
205 amdgpu_device_program_register_sequence(adev,
206 golden_settings_fiji_a10,
207 ARRAY_SIZE(golden_settings_fiji_a10)(sizeof((golden_settings_fiji_a10)) / sizeof((golden_settings_fiji_a10
)[0])));
208 break;
209 case CHIP_TONGA:
210 amdgpu_device_program_register_sequence(adev,
211 tonga_mgcg_cgcg_init,
212 ARRAY_SIZE(tonga_mgcg_cgcg_init)(sizeof((tonga_mgcg_cgcg_init)) / sizeof((tonga_mgcg_cgcg_init
)[0])));
213 amdgpu_device_program_register_sequence(adev,
214 golden_settings_tonga_a11,
215 ARRAY_SIZE(golden_settings_tonga_a11)(sizeof((golden_settings_tonga_a11)) / sizeof((golden_settings_tonga_a11
)[0])));
216 break;
217 case CHIP_POLARIS11:
218 case CHIP_POLARIS12:
219 case CHIP_VEGAM:
220 amdgpu_device_program_register_sequence(adev,
221 golden_settings_polaris11_a11,
222 ARRAY_SIZE(golden_settings_polaris11_a11)(sizeof((golden_settings_polaris11_a11)) / sizeof((golden_settings_polaris11_a11
)[0])));
223 break;
224 case CHIP_POLARIS10:
225 amdgpu_device_program_register_sequence(adev,
226 golden_settings_polaris10_a11,
227 ARRAY_SIZE(golden_settings_polaris10_a11)(sizeof((golden_settings_polaris10_a11)) / sizeof((golden_settings_polaris10_a11
)[0])));
228 break;
229 case CHIP_CARRIZO:
230 amdgpu_device_program_register_sequence(adev,
231 cz_mgcg_cgcg_init,
232 ARRAY_SIZE(cz_mgcg_cgcg_init)(sizeof((cz_mgcg_cgcg_init)) / sizeof((cz_mgcg_cgcg_init)[0])
));
233 amdgpu_device_program_register_sequence(adev,
234 cz_golden_settings_a11,
235 ARRAY_SIZE(cz_golden_settings_a11)(sizeof((cz_golden_settings_a11)) / sizeof((cz_golden_settings_a11
)[0])));
236 break;
237 case CHIP_STONEY:
238 amdgpu_device_program_register_sequence(adev,
239 stoney_mgcg_cgcg_init,
240 ARRAY_SIZE(stoney_mgcg_cgcg_init)(sizeof((stoney_mgcg_cgcg_init)) / sizeof((stoney_mgcg_cgcg_init
)[0])));
241 amdgpu_device_program_register_sequence(adev,
242 stoney_golden_settings_a11,
243 ARRAY_SIZE(stoney_golden_settings_a11)(sizeof((stoney_golden_settings_a11)) / sizeof((stoney_golden_settings_a11
)[0])));
244 break;
245 default:
246 break;
247 }
248}
249
250static void sdma_v3_0_free_microcode(struct amdgpu_device *adev)
251{
252 int i;
253 for (i = 0; i < adev->sdma.num_instances; i++) {
254 release_firmware(adev->sdma.instance[i].fw);
255 adev->sdma.instance[i].fw = NULL((void *)0);
256 }
257}
258
259/**
260 * sdma_v3_0_init_microcode - load ucode images from disk
261 *
262 * @adev: amdgpu_device pointer
263 *
264 * Use the firmware interface to load the ucode images into
265 * the driver (not loaded into hw).
266 * Returns 0 on success, error on failure.
267 */
268static int sdma_v3_0_init_microcode(struct amdgpu_device *adev)
269{
270 const char *chip_name;
271 char fw_name[30];
272 int err = 0, i;
273 struct amdgpu_firmware_info *info = NULL((void *)0);
274 const struct common_firmware_header *header = NULL((void *)0);
275 const struct sdma_firmware_header_v1_0 *hdr;
276
277 DRM_DEBUG("\n")__drm_dbg(DRM_UT_CORE, "\n");
278
279 switch (adev->asic_type) {
280 case CHIP_TONGA:
281 chip_name = "tonga";
282 break;
283 case CHIP_FIJI:
284 chip_name = "fiji";
285 break;
286 case CHIP_POLARIS10:
287 chip_name = "polaris10";
288 break;
289 case CHIP_POLARIS11:
290 chip_name = "polaris11";
291 break;
292 case CHIP_POLARIS12:
293 chip_name = "polaris12";
294 break;
295 case CHIP_VEGAM:
296 chip_name = "vegam";
297 break;
298 case CHIP_CARRIZO:
299 chip_name = "carrizo";
300 break;
301 case CHIP_STONEY:
302 chip_name = "stoney";
303 break;
304 default: BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/sdma_v3_0.c"
, 304); } while (0);
305 }
306
307 for (i = 0; i < adev->sdma.num_instances; i++) {
308 if (i == 0)
309 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
310 else
311 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name);
312 err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
313 if (err)
314 goto out;
315 err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
316 if (err)
317 goto out;
318 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
319 adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version)((__uint32_t)(hdr->header.ucode_version));
320 adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version)((__uint32_t)(hdr->ucode_feature_version));
321 if (adev->sdma.instance[i].feature_version >= 20)
322 adev->sdma.instance[i].burst_nop = true1;
323
324 info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
325 info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i;
326 info->fw = adev->sdma.instance[i].fw;
327 header = (const struct common_firmware_header *)info->fw->data;
328 adev->firmware.fw_size +=
329 roundup2(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE)(((((__uint32_t)(header->ucode_size_bytes))) + (((1 <<
12)) - 1)) & (~((__typeof(((__uint32_t)(header->ucode_size_bytes
))))((1 << 12)) - 1)));
330
331 }
332out:
333 if (err) {
334 pr_err("sdma_v3_0: Failed to load firmware \"%s\"\n", fw_name)printk("\0013" "amdgpu: " "sdma_v3_0: Failed to load firmware \"%s\"\n"
, fw_name);
335 for (i = 0; i < adev->sdma.num_instances; i++) {
336 release_firmware(adev->sdma.instance[i].fw);
337 adev->sdma.instance[i].fw = NULL((void *)0);
338 }
339 }
340 return err;
341}
342
343/**
344 * sdma_v3_0_ring_get_rptr - get the current read pointer
345 *
346 * @ring: amdgpu ring pointer
347 *
348 * Get the current rptr from the hardware (VI+).
349 */
350static uint64_t sdma_v3_0_ring_get_rptr(struct amdgpu_ring *ring)
351{
352 /* XXX check if swapping is necessary on BE */
353 return ring->adev->wb.wb[ring->rptr_offs] >> 2;
354}
355
356/**
357 * sdma_v3_0_ring_get_wptr - get the current write pointer
358 *
359 * @ring: amdgpu ring pointer
360 *
361 * Get the current wptr from the hardware (VI+).
362 */
363static uint64_t sdma_v3_0_ring_get_wptr(struct amdgpu_ring *ring)
364{
365 struct amdgpu_device *adev = ring->adev;
366 u32 wptr;
367
368 if (ring->use_doorbell || ring->use_pollmem) {
369 /* XXX check if swapping is necessary on BE */
370 wptr = ring->adev->wb.wb[ring->wptr_offs] >> 2;
371 } else {
372 wptr = RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me])amdgpu_device_rreg(adev, (0x3484 + sdma_offsets[ring->me])
, 0) >> 2;
373 }
374
375 return wptr;
376}
377
378/**
379 * sdma_v3_0_ring_set_wptr - commit the write pointer
380 *
381 * @ring: amdgpu ring pointer
382 *
383 * Write the wptr back to the hardware (VI+).
384 */
385static void sdma_v3_0_ring_set_wptr(struct amdgpu_ring *ring)
386{
387 struct amdgpu_device *adev = ring->adev;
388
389 if (ring->use_doorbell) {
390 u32 *wb = (u32 *)&adev->wb.wb[ring->wptr_offs];
391 /* XXX check if swapping is necessary on BE */
392 WRITE_ONCE(*wb, (lower_32_bits(ring->wptr) << 2))({ typeof(*wb) __tmp = ((((u32)(ring->wptr)) << 2));
*(volatile typeof(*wb) *)&(*wb) = __tmp; __tmp; });
393 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr) << 2)amdgpu_mm_wdoorbell(adev, (ring->doorbell_index), (((u32)(
ring->wptr)) << 2));
394 } else if (ring->use_pollmem) {
395 u32 *wb = (u32 *)&adev->wb.wb[ring->wptr_offs];
396
397 WRITE_ONCE(*wb, (lower_32_bits(ring->wptr) << 2))({ typeof(*wb) __tmp = ((((u32)(ring->wptr)) << 2));
*(volatile typeof(*wb) *)&(*wb) = __tmp; __tmp; });
398 } else {
399 WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me], lower_32_bits(ring->wptr) << 2)amdgpu_device_wreg(adev, (0x3484 + sdma_offsets[ring->me])
, (((u32)(ring->wptr)) << 2), 0);
400 }
401}
402
403static void sdma_v3_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
404{
405 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
406 int i;
407
408 for (i = 0; i < count; i++)
409 if (sdma && sdma->burst_nop && (i == 0))
410 amdgpu_ring_write(ring, ring->funcs->nop |
411 SDMA_PKT_NOP_HEADER_COUNT(count - 1)(((count - 1) & 0x00003FFF) << 16));
412 else
413 amdgpu_ring_write(ring, ring->funcs->nop);
414}
415
416/**
417 * sdma_v3_0_ring_emit_ib - Schedule an IB on the DMA engine
418 *
419 * @ring: amdgpu ring pointer
420 * @ib: IB object to schedule
421 *
422 * Schedule an IB in the DMA ring (VI).
423 */
424static void sdma_v3_0_ring_emit_ib(struct amdgpu_ring *ring,
425 struct amdgpu_job *job,
426 struct amdgpu_ib *ib,
427 uint32_t flags)
428{
429 unsigned vmid = AMDGPU_JOB_GET_VMID(job)((job) ? (job)->vmid : 0);
430
431 /* IB packet must end on a 8 DW boundary */
432 sdma_v3_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)((u32)(ring->wptr))) & 7);
433
434 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT)(((4) & 0x000000FF) << 0) |
435 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)(((vmid & 0xf) & 0x0000000F) << 16));
436 /* base must be 32 byte aligned */
437 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)((u32)(ib->gpu_addr)) & 0xffffffe0);
438 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)((u32)(((ib->gpu_addr) >> 16) >> 16)));
439 amdgpu_ring_write(ring, ib->length_dw);
440 amdgpu_ring_write(ring, 0);
441 amdgpu_ring_write(ring, 0);
442
443}
444
445/**
446 * sdma_v3_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
447 *
448 * @ring: amdgpu ring pointer
449 *
450 * Emit an hdp flush packet on the requested DMA ring.
451 */
452static void sdma_v3_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
453{
454 u32 ref_and_mask = 0;
455
456 if (ring->me == 0)
457 ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA0, 1)(((ref_and_mask) & ~0x400) | (0x400 & ((1) << 0xa
)));
458 else
459 ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA1, 1)(((ref_and_mask) & ~0x800) | (0x800 & ((1) << 0xb
)));
460
461 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM)(((8) & 0x000000FF) << 0) |
462 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1)(((1) & 0x00000001) << 26) |
463 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)(((3) & 0x00000007) << 28)); /* == */
464 amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_DONE0x1538 << 2);
465 amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ0x1537 << 2);
466 amdgpu_ring_write(ring, ref_and_mask); /* reference */
467 amdgpu_ring_write(ring, ref_and_mask); /* mask */
468 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff)(((0xfff) & 0x00000FFF) << 16) |
469 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)(((10) & 0x0000FFFF) << 0)); /* retry count, poll interval */
470}
471
472/**
473 * sdma_v3_0_ring_emit_fence - emit a fence on the DMA ring
474 *
475 * @ring: amdgpu ring pointer
476 * @fence: amdgpu fence object
477 *
478 * Add a DMA fence packet to the ring to write
479 * the fence seq number and DMA trap packet to generate
480 * an interrupt if needed (VI).
481 */
482static void sdma_v3_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
483 unsigned flags)
484{
485 bool_Bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT(1 << 0);
486 /* write the fence */
487 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)(((5) & 0x000000FF) << 0));
488 amdgpu_ring_write(ring, lower_32_bits(addr)((u32)(addr)));
489 amdgpu_ring_write(ring, upper_32_bits(addr)((u32)(((addr) >> 16) >> 16)));
490 amdgpu_ring_write(ring, lower_32_bits(seq)((u32)(seq)));
491
492 /* optionally write high bits as well */
493 if (write64bit) {
494 addr += 4;
495 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)(((5) & 0x000000FF) << 0));
496 amdgpu_ring_write(ring, lower_32_bits(addr)((u32)(addr)));
497 amdgpu_ring_write(ring, upper_32_bits(addr)((u32)(((addr) >> 16) >> 16)));
498 amdgpu_ring_write(ring, upper_32_bits(seq)((u32)(((seq) >> 16) >> 16)));
499 }
500
501 /* generate an interrupt */
502 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)(((6) & 0x000000FF) << 0));
503 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)(((0) & 0x0FFFFFFF) << 0));
504}
505
506/**
507 * sdma_v3_0_gfx_stop - stop the gfx async dma engines
508 *
509 * @adev: amdgpu_device pointer
510 *
511 * Stop the gfx async dma ring buffers (VI).
512 */
513static void sdma_v3_0_gfx_stop(struct amdgpu_device *adev)
514{
515 struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring;
516 struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring;
517 u32 rb_cntl, ib_cntl;
518 int i;
519
520 if ((adev->mman.buffer_funcs_ring == sdma0) ||
521 (adev->mman.buffer_funcs_ring == sdma1))
522 amdgpu_ttm_set_buffer_funcs_status(adev, false0);
523
524 for (i = 0; i < adev->sdma.num_instances; i++) {
525 rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3480 + sdma_offsets[i]), 0);
526 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0)(((rb_cntl) & ~0x1) | (0x1 & ((0) << 0x0)));
527 WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl)amdgpu_device_wreg(adev, (0x3480 + sdma_offsets[i]), (rb_cntl
), 0);
528 ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x348a + sdma_offsets[i]), 0);
529 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0)(((ib_cntl) & ~0x1) | (0x1 & ((0) << 0x0)));
530 WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl)amdgpu_device_wreg(adev, (0x348a + sdma_offsets[i]), (ib_cntl
), 0);
531 }
532}
533
534/**
535 * sdma_v3_0_rlc_stop - stop the compute async dma engines
536 *
537 * @adev: amdgpu_device pointer
538 *
539 * Stop the compute async dma queues (VI).
540 */
541static void sdma_v3_0_rlc_stop(struct amdgpu_device *adev)
542{
543 /* XXX todo */
544}
545
546/**
547 * sdma_v3_0_ctx_switch_enable - stop the async dma engines context switch
548 *
549 * @adev: amdgpu_device pointer
550 * @enable: enable/disable the DMA MEs context switch.
551 *
552 * Halt or unhalt the async dma engines context switch (VI).
553 */
554static void sdma_v3_0_ctx_switch_enable(struct amdgpu_device *adev, bool_Bool enable)
555{
556 u32 f32_cntl, phase_quantum = 0;
557 int i;
558
559 if (amdgpu_sdma_phase_quantum) {
560 unsigned value = amdgpu_sdma_phase_quantum;
561 unsigned unit = 0;
562
563 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK0xffff00 >>
564 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT0x8)) {
565 value = (value + 1) >> 1;
566 unit++;
567 }
568 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK0xf >>
569 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT0x0)) {
570 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK0xffff00 >>
571 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT0x8);
572 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK0xf >>
573 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT0x0);
574 WARN_ONCE(1,({ static int __warned; int __ret = !!(1); if (__ret &&
!__warned) { printf("clamping sdma_phase_quantum to %uK clock cycles\n"
, value << unit); __warned = 1; } __builtin_expect(!!(__ret
), 0); })
575 "clamping sdma_phase_quantum to %uK clock cycles\n",({ static int __warned; int __ret = !!(1); if (__ret &&
!__warned) { printf("clamping sdma_phase_quantum to %uK clock cycles\n"
, value << unit); __warned = 1; } __builtin_expect(!!(__ret
), 0); })
576 value << unit)({ static int __warned; int __ret = !!(1); if (__ret &&
!__warned) { printf("clamping sdma_phase_quantum to %uK clock cycles\n"
, value << unit); __warned = 1; } __builtin_expect(!!(__ret
), 0); });
577 }
578 phase_quantum =
579 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT0x8 |
580 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT0x0;
581 }
582
583 for (i = 0; i < adev->sdma.num_instances; i++) {
584 f32_cntl = RREG32(mmSDMA0_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3404 + sdma_offsets[i]), 0);
585 if (enable) {
586 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,(((f32_cntl) & ~0x40000) | (0x40000 & ((1) << 0x12
)))
587 AUTO_CTXSW_ENABLE, 1)(((f32_cntl) & ~0x40000) | (0x40000 & ((1) << 0x12
)));
588 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,(((f32_cntl) & ~0x2) | (0x2 & ((1) << 0x1)))
589 ATC_L1_ENABLE, 1)(((f32_cntl) & ~0x2) | (0x2 & ((1) << 0x1)));
590 if (amdgpu_sdma_phase_quantum) {
591 WREG32(mmSDMA0_PHASE0_QUANTUM + sdma_offsets[i],amdgpu_device_wreg(adev, (0x3414 + sdma_offsets[i]), (phase_quantum
), 0)
592 phase_quantum)amdgpu_device_wreg(adev, (0x3414 + sdma_offsets[i]), (phase_quantum
), 0);
593 WREG32(mmSDMA0_PHASE1_QUANTUM + sdma_offsets[i],amdgpu_device_wreg(adev, (0x3415 + sdma_offsets[i]), (phase_quantum
), 0)
594 phase_quantum)amdgpu_device_wreg(adev, (0x3415 + sdma_offsets[i]), (phase_quantum
), 0);
595 }
596 } else {
597 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,(((f32_cntl) & ~0x40000) | (0x40000 & ((0) << 0x12
)))
598 AUTO_CTXSW_ENABLE, 0)(((f32_cntl) & ~0x40000) | (0x40000 & ((0) << 0x12
)));
599 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,(((f32_cntl) & ~0x2) | (0x2 & ((1) << 0x1)))
600 ATC_L1_ENABLE, 1)(((f32_cntl) & ~0x2) | (0x2 & ((1) << 0x1)));
601 }
602
603 WREG32(mmSDMA0_CNTL + sdma_offsets[i], f32_cntl)amdgpu_device_wreg(adev, (0x3404 + sdma_offsets[i]), (f32_cntl
), 0);
604 }
605}
606
607/**
608 * sdma_v3_0_enable - stop the async dma engines
609 *
610 * @adev: amdgpu_device pointer
611 * @enable: enable/disable the DMA MEs.
612 *
613 * Halt or unhalt the async dma engines (VI).
614 */
615static void sdma_v3_0_enable(struct amdgpu_device *adev, bool_Bool enable)
616{
617 u32 f32_cntl;
618 int i;
619
620 if (!enable
3.1
'enable' is false
) {
4
←
Taking true branch
→
621 sdma_v3_0_gfx_stop(adev);
622 sdma_v3_0_rlc_stop(adev);
623 }
624
625 for (i = 0; i < adev->sdma.num_instances; i++) {
5
←
Assuming 'i' is < field 'num_instances'
→
6
←
Loop condition is true. Entering loop body
→
8
←
Assuming 'i' is < field 'num_instances'
→
9
←
Loop condition is true. Entering loop body
→
11
←
The value 2 is assigned to 'i'
→
12
←
Assuming 'i' is < field 'num_instances'
→
13
←
Loop condition is true. Entering loop body
→
626 f32_cntl = RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3412 + sdma_offsets[i]), 0);
14
←
The right operand of '+' is a garbage value due to array index out of bounds
627 if (enable
6.1
'enable' is false
9.1
'enable' is false
)
7
←
Taking false branch
→
10
←
Taking false branch
→
628 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 0)(((f32_cntl) & ~0x1) | (0x1 & ((0) << 0x0)));
629 else
630 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 1)(((f32_cntl) & ~0x1) | (0x1 & ((1) << 0x0)));
631 WREG32(mmSDMA0_F32_CNTL + sdma_offsets[i], f32_cntl)amdgpu_device_wreg(adev, (0x3412 + sdma_offsets[i]), (f32_cntl
), 0);
632 }
633}
634
635/**
636 * sdma_v3_0_gfx_resume - setup and start the async dma engines
637 *
638 * @adev: amdgpu_device pointer
639 *
640 * Set up the gfx DMA ring buffers and enable them (VI).
641 * Returns 0 for success, error for failure.
642 */
643static int sdma_v3_0_gfx_resume(struct amdgpu_device *adev)
644{
645 struct amdgpu_ring *ring;
646 u32 rb_cntl, ib_cntl, wptr_poll_cntl;
647 u32 rb_bufsz;
648 u32 wb_offset;
649 u32 doorbell;
650 u64 wptr_gpu_addr;
651 int i, j, r;
652
653 for (i = 0; i < adev->sdma.num_instances; i++) {
654 ring = &adev->sdma.instance[i].ring;
655 amdgpu_ring_clear_ring(ring);
656 wb_offset = (ring->rptr_offs * 4);
657
658 mutex_lock(&adev->srbm_mutex)rw_enter_write(&adev->srbm_mutex);
659 for (j = 0; j < 16; j++) {
660 vi_srbm_select(adev, 0, 0, 0, j);
661 /* SDMA GFX */
662 WREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i], 0)amdgpu_device_wreg(adev, (0x34a7 + sdma_offsets[i]), (0), 0);
663 WREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i], 0)amdgpu_device_wreg(adev, (0x34a8 + sdma_offsets[i]), (0), 0);
664 }
665 vi_srbm_select(adev, 0, 0, 0, 0);
666 mutex_unlock(&adev->srbm_mutex)rw_exit_write(&adev->srbm_mutex);
667
668 WREG32(mmSDMA0_TILING_CONFIG + sdma_offsets[i],amdgpu_device_wreg(adev, (0x3406 + sdma_offsets[i]), (adev->
gfx.config.gb_addr_config & 0x70), 0)
669 adev->gfx.config.gb_addr_config & 0x70)amdgpu_device_wreg(adev, (0x3406 + sdma_offsets[i]), (adev->
gfx.config.gb_addr_config & 0x70), 0);
670
671 WREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i], 0)amdgpu_device_wreg(adev, (0x3409 + sdma_offsets[i]), (0), 0);
672
673 /* Set ring buffer size in dwords */
674 rb_bufsz = order_base_2(ring->ring_size / 4)drm_order(ring->ring_size / 4);
675 rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3480 + sdma_offsets[i]), 0);
676 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz)(((rb_cntl) & ~0x3e) | (0x3e & ((rb_bufsz) << 0x1
)));
677#ifdef __BIG_ENDIAN
678 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1)(((rb_cntl) & ~0x200) | (0x200 & ((1) << 0x9)));
679 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,(((rb_cntl) & ~0x2000) | (0x2000 & ((1) << 0xd)
))
680 RPTR_WRITEBACK_SWAP_ENABLE, 1)(((rb_cntl) & ~0x2000) | (0x2000 & ((1) << 0xd)
));
681#endif
682 WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl)amdgpu_device_wreg(adev, (0x3480 + sdma_offsets[i]), (rb_cntl
), 0);
683
684 /* Initialize the ring buffer's read and write pointers */
685 ring->wptr = 0;
686 WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0)amdgpu_device_wreg(adev, (0x3483 + sdma_offsets[i]), (0), 0);
687 sdma_v3_0_ring_set_wptr(ring);
688 WREG32(mmSDMA0_GFX_IB_RPTR + sdma_offsets[i], 0)amdgpu_device_wreg(adev, (0x348b + sdma_offsets[i]), (0), 0);
689 WREG32(mmSDMA0_GFX_IB_OFFSET + sdma_offsets[i], 0)amdgpu_device_wreg(adev, (0x348c + sdma_offsets[i]), (0), 0);
690
691 /* set the wb address whether it's enabled or not */
692 WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i],amdgpu_device_wreg(adev, (0x3488 + sdma_offsets[i]), (((u32)(
((adev->wb.gpu_addr + wb_offset) >> 16) >> 16)
) & 0xFFFFFFFF), 0)
693 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF)amdgpu_device_wreg(adev, (0x3488 + sdma_offsets[i]), (((u32)(
((adev->wb.gpu_addr + wb_offset) >> 16) >> 16)
) & 0xFFFFFFFF), 0);
694 WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i],amdgpu_device_wreg(adev, (0x3489 + sdma_offsets[i]), (((u32)(
adev->wb.gpu_addr + wb_offset)) & 0xFFFFFFFC), 0)
695 lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC)amdgpu_device_wreg(adev, (0x3489 + sdma_offsets[i]), (((u32)(
adev->wb.gpu_addr + wb_offset)) & 0xFFFFFFFC), 0);
696
697 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1)(((rb_cntl) & ~0x1000) | (0x1000 & ((1) << 0xc)
));
698
699 WREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i], ring->gpu_addr >> 8)amdgpu_device_wreg(adev, (0x3481 + sdma_offsets[i]), (ring->
gpu_addr >> 8), 0);
700 WREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i], ring->gpu_addr >> 40)amdgpu_device_wreg(adev, (0x3482 + sdma_offsets[i]), (ring->
gpu_addr >> 40), 0);
701
702 doorbell = RREG32(mmSDMA0_GFX_DOORBELL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3492 + sdma_offsets[i]), 0);
703
704 if (ring->use_doorbell) {
705 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL,(((doorbell) & ~0x1fffff) | (0x1fffff & ((ring->doorbell_index
) << 0x0)))
706 OFFSET, ring->doorbell_index)(((doorbell) & ~0x1fffff) | (0x1fffff & ((ring->doorbell_index
) << 0x0)));
707 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1)(((doorbell) & ~0x10000000) | (0x10000000 & ((1) <<
0x1c)));
708 } else {
709 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0)(((doorbell) & ~0x10000000) | (0x10000000 & ((0) <<
0x1c)));
710 }
711 WREG32(mmSDMA0_GFX_DOORBELL + sdma_offsets[i], doorbell)amdgpu_device_wreg(adev, (0x3492 + sdma_offsets[i]), (doorbell
), 0);
712
713 /* setup the wptr shadow polling */
714 wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
715
716 WREG32(mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO + sdma_offsets[i],amdgpu_device_wreg(adev, (0x3487 + sdma_offsets[i]), (((u32)(
wptr_gpu_addr))), 0)
717 lower_32_bits(wptr_gpu_addr))amdgpu_device_wreg(adev, (0x3487 + sdma_offsets[i]), (((u32)(
wptr_gpu_addr))), 0);
718 WREG32(mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI + sdma_offsets[i],amdgpu_device_wreg(adev, (0x3486 + sdma_offsets[i]), (((u32)(
((wptr_gpu_addr) >> 16) >> 16))), 0)
719 upper_32_bits(wptr_gpu_addr))amdgpu_device_wreg(adev, (0x3486 + sdma_offsets[i]), (((u32)(
((wptr_gpu_addr) >> 16) >> 16))), 0);
720 wptr_poll_cntl = RREG32(mmSDMA0_GFX_RB_WPTR_POLL_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3485 + sdma_offsets[i]), 0);
721 if (ring->use_pollmem) {
722 /*wptr polling is not enogh fast, directly clean the wptr register */
723 WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0)amdgpu_device_wreg(adev, (0x3484 + sdma_offsets[i]), (0), 0);
724 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,(((wptr_poll_cntl) & ~0x1) | (0x1 & ((1) << 0x0
)))
725 SDMA0_GFX_RB_WPTR_POLL_CNTL,(((wptr_poll_cntl) & ~0x1) | (0x1 & ((1) << 0x0
)))
726 ENABLE, 1)(((wptr_poll_cntl) & ~0x1) | (0x1 & ((1) << 0x0
)));
727 } else {
728 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,(((wptr_poll_cntl) & ~0x1) | (0x1 & ((0) << 0x0
)))
729 SDMA0_GFX_RB_WPTR_POLL_CNTL,(((wptr_poll_cntl) & ~0x1) | (0x1 & ((0) << 0x0
)))
730 ENABLE, 0)(((wptr_poll_cntl) & ~0x1) | (0x1 & ((0) << 0x0
)));
731 }
732 WREG32(mmSDMA0_GFX_RB_WPTR_POLL_CNTL + sdma_offsets[i], wptr_poll_cntl)amdgpu_device_wreg(adev, (0x3485 + sdma_offsets[i]), (wptr_poll_cntl
), 0);
733
734 /* enable DMA RB */
735 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1)(((rb_cntl) & ~0x1) | (0x1 & ((1) << 0x0)));
736 WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl)amdgpu_device_wreg(adev, (0x3480 + sdma_offsets[i]), (rb_cntl
), 0);
737
738 ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x348a + sdma_offsets[i]), 0);
739 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1)(((ib_cntl) & ~0x1) | (0x1 & ((1) << 0x0)));
740#ifdef __BIG_ENDIAN
741 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1)(((ib_cntl) & ~0x10) | (0x10 & ((1) << 0x4)));
742#endif
743 /* enable DMA IBs */
744 WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl)amdgpu_device_wreg(adev, (0x348a + sdma_offsets[i]), (ib_cntl
), 0);
745
746 ring->sched.ready = true1;
747 }
748
749 /* unhalt the MEs */
750 sdma_v3_0_enable(adev, true1);
751 /* enable sdma ring preemption */
752 sdma_v3_0_ctx_switch_enable(adev, true1);
753
754 for (i = 0; i < adev->sdma.num_instances; i++) {
755 ring = &adev->sdma.instance[i].ring;
756 r = amdgpu_ring_test_helper(ring);
757 if (r)
758 return r;
759
760 if (adev->mman.buffer_funcs_ring == ring)
761 amdgpu_ttm_set_buffer_funcs_status(adev, true1);
762 }
763
764 return 0;
765}
766
767/**
768 * sdma_v3_0_rlc_resume - setup and start the async dma engines
769 *
770 * @adev: amdgpu_device pointer
771 *
772 * Set up the compute DMA queues and enable them (VI).
773 * Returns 0 for success, error for failure.
774 */
775static int sdma_v3_0_rlc_resume(struct amdgpu_device *adev)
776{
777 /* XXX todo */
778 return 0;
779}
780
781/**
782 * sdma_v3_0_start - setup and start the async dma engines
783 *
784 * @adev: amdgpu_device pointer
785 *
786 * Set up the DMA engines and enable them (VI).
787 * Returns 0 for success, error for failure.
788 */
789static int sdma_v3_0_start(struct amdgpu_device *adev)
790{
791 int r;
792
793 /* disable sdma engine before programing it */
794 sdma_v3_0_ctx_switch_enable(adev, false0);
795 sdma_v3_0_enable(adev, false0);
3
←
Calling 'sdma_v3_0_enable'
→
796
797 /* start the gfx rings and rlc compute queues */
798 r = sdma_v3_0_gfx_resume(adev);
799 if (r)
800 return r;
801 r = sdma_v3_0_rlc_resume(adev);
802 if (r)
803 return r;
804
805 return 0;
806}
807
808/**
809 * sdma_v3_0_ring_test_ring - simple async dma engine test
810 *
811 * @ring: amdgpu_ring structure holding ring information
812 *
813 * Test the DMA engine by writing using it to write an
814 * value to memory. (VI).
815 * Returns 0 for success, error for failure.
816 */
817static int sdma_v3_0_ring_test_ring(struct amdgpu_ring *ring)
818{
819 struct amdgpu_device *adev = ring->adev;
820 unsigned i;
821 unsigned index;
822 int r;
823 u32 tmp;
824 u64 gpu_addr;
825
826 r = amdgpu_device_wb_get(adev, &index);
827 if (r)
828 return r;
829
830 gpu_addr = adev->wb.gpu_addr + (index * 4);
831 tmp = 0xCAFEDEAD;
832 adev->wb.wb[index] = cpu_to_le32(tmp)((__uint32_t)(tmp));
833
834 r = amdgpu_ring_alloc(ring, 5);
835 if (r)
836 goto error_free_wb;
837
838 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE)(((2) & 0x000000FF) << 0) |
839 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)(((0) & 0x000000FF) << 8));
840 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)((u32)(gpu_addr)));
841 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)((u32)(((gpu_addr) >> 16) >> 16)));
842 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1)(((1) & 0x003FFFFF) << 0));
843 amdgpu_ring_write(ring, 0xDEADBEEF);
844 amdgpu_ring_commit(ring);
845
846 for (i = 0; i < adev->usec_timeout; i++) {
847 tmp = le32_to_cpu(adev->wb.wb[index])((__uint32_t)(adev->wb.wb[index]));
848 if (tmp == 0xDEADBEEF)
849 break;
850 udelay(1);
851 }
852
853 if (i >= adev->usec_timeout)
854 r = -ETIMEDOUT60;
855
856error_free_wb:
857 amdgpu_device_wb_free(adev, index);
858 return r;
859}
860
861/**
862 * sdma_v3_0_ring_test_ib - test an IB on the DMA engine
863 *
864 * @ring: amdgpu_ring structure holding ring information
865 *
866 * Test a simple IB in the DMA ring (VI).
867 * Returns 0 on success, error on failure.
868 */
869static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
870{
871 struct amdgpu_device *adev = ring->adev;
872 struct amdgpu_ib ib;
873 struct dma_fence *f = NULL((void *)0);
874 unsigned index;
875 u32 tmp = 0;
876 u64 gpu_addr;
877 long r;
878
879 r = amdgpu_device_wb_get(adev, &index);
880 if (r)
881 return r;
882
883 gpu_addr = adev->wb.gpu_addr + (index * 4);
884 tmp = 0xCAFEDEAD;
885 adev->wb.wb[index] = cpu_to_le32(tmp)((__uint32_t)(tmp));
886 memset(&ib, 0, sizeof(ib))__builtin_memset((&ib), (0), (sizeof(ib)));
887 r = amdgpu_ib_get(adev, NULL((void *)0), 256,
888 AMDGPU_IB_POOL_DIRECT, &ib);
889 if (r)
890 goto err0;
891
892 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE)(((2) & 0x000000FF) << 0) |
893 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)(((0) & 0x000000FF) << 8);
894 ib.ptr[1] = lower_32_bits(gpu_addr)((u32)(gpu_addr));
895 ib.ptr[2] = upper_32_bits(gpu_addr)((u32)(((gpu_addr) >> 16) >> 16));
896 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1)(((1) & 0x003FFFFF) << 0);
897 ib.ptr[4] = 0xDEADBEEF;
898 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP)(((0) & 0x000000FF) << 0);
899 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP)(((0) & 0x000000FF) << 0);
900 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP)(((0) & 0x000000FF) << 0);
901 ib.length_dw = 8;
902
903 r = amdgpu_ib_schedule(ring, 1, &ib, NULL((void *)0), &f);
904 if (r)
905 goto err1;
906
907 r = dma_fence_wait_timeout(f, false0, timeout);
908 if (r == 0) {
909 r = -ETIMEDOUT60;
910 goto err1;
911 } else if (r < 0) {
912 goto err1;
913 }
914 tmp = le32_to_cpu(adev->wb.wb[index])((__uint32_t)(adev->wb.wb[index]));
915 if (tmp == 0xDEADBEEF)
916 r = 0;
917 else
918 r = -EINVAL22;
919err1:
920 amdgpu_ib_free(adev, &ib, NULL((void *)0));
921 dma_fence_put(f);
922err0:
923 amdgpu_device_wb_free(adev, index);
924 return r;
925}
926
927/**
928 * sdma_v3_0_vm_copy_pte - update PTEs by copying them from the GART
929 *
930 * @ib: indirect buffer to fill with commands
931 * @pe: addr of the page entry
932 * @src: src addr to copy from
933 * @count: number of page entries to update
934 *
935 * Update PTEs by copying them from the GART using sDMA (CIK).
936 */
937static void sdma_v3_0_vm_copy_pte(struct amdgpu_ib *ib,
938 uint64_t pe, uint64_t src,
939 unsigned count)
940{
941 unsigned bytes = count * 8;
942
943 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY)(((1) & 0x000000FF) << 0) |
944 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR)(((0) & 0x000000FF) << 8);
945 ib->ptr[ib->length_dw++] = bytes;
946 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
947 ib->ptr[ib->length_dw++] = lower_32_bits(src)((u32)(src));
948 ib->ptr[ib->length_dw++] = upper_32_bits(src)((u32)(((src) >> 16) >> 16));
949 ib->ptr[ib->length_dw++] = lower_32_bits(pe)((u32)(pe));
950 ib->ptr[ib->length_dw++] = upper_32_bits(pe)((u32)(((pe) >> 16) >> 16));
951}
952
953/**
954 * sdma_v3_0_vm_write_pte - update PTEs by writing them manually
955 *
956 * @ib: indirect buffer to fill with commands
957 * @pe: addr of the page entry
958 * @value: dst addr to write into pe
959 * @count: number of page entries to update
960 * @incr: increase next addr by incr bytes
961 *
962 * Update PTEs by writing them manually using sDMA (CIK).
963 */
964static void sdma_v3_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
965 uint64_t value, unsigned count,
966 uint32_t incr)
967{
968 unsigned ndw = count * 2;
969
970 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE)(((2) & 0x000000FF) << 0) |
971 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)(((0) & 0x000000FF) << 8);
972 ib->ptr[ib->length_dw++] = lower_32_bits(pe)((u32)(pe));
973 ib->ptr[ib->length_dw++] = upper_32_bits(pe)((u32)(((pe) >> 16) >> 16));
974 ib->ptr[ib->length_dw++] = ndw;
975 for (; ndw > 0; ndw -= 2) {
976 ib->ptr[ib->length_dw++] = lower_32_bits(value)((u32)(value));
977 ib->ptr[ib->length_dw++] = upper_32_bits(value)((u32)(((value) >> 16) >> 16));
978 value += incr;
979 }
980}
981
982/**
983 * sdma_v3_0_vm_set_pte_pde - update the page tables using sDMA
984 *
985 * @ib: indirect buffer to fill with commands
986 * @pe: addr of the page entry
987 * @addr: dst addr to write into pe
988 * @count: number of page entries to update
989 * @incr: increase next addr by incr bytes
990 * @flags: access flags
991 *
992 * Update the page tables using sDMA (CIK).
993 */
994static void sdma_v3_0_vm_set_pte_pde(struct amdgpu_ib *ib, uint64_t pe,
995 uint64_t addr, unsigned count,
996 uint32_t incr, uint64_t flags)
997{
998 /* for physically contiguous pages (vram) */
999 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_GEN_PTEPDE)(((12) & 0x000000FF) << 0);
1000 ib->ptr[ib->length_dw++] = lower_32_bits(pe)((u32)(pe)); /* dst addr */
1001 ib->ptr[ib->length_dw++] = upper_32_bits(pe)((u32)(((pe) >> 16) >> 16));
1002 ib->ptr[ib->length_dw++] = lower_32_bits(flags)((u32)(flags)); /* mask */
1003 ib->ptr[ib->length_dw++] = upper_32_bits(flags)((u32)(((flags) >> 16) >> 16));
1004 ib->ptr[ib->length_dw++] = lower_32_bits(addr)((u32)(addr)); /* value */
1005 ib->ptr[ib->length_dw++] = upper_32_bits(addr)((u32)(((addr) >> 16) >> 16));
1006 ib->ptr[ib->length_dw++] = incr; /* increment size */
1007 ib->ptr[ib->length_dw++] = 0;
1008 ib->ptr[ib->length_dw++] = count; /* number of entries */
1009}
1010
1011/**
1012 * sdma_v3_0_ring_pad_ib - pad the IB to the required number of dw
1013 *
1014 * @ib: indirect buffer to fill with padding
1015 *
1016 */
1017static void sdma_v3_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1018{
1019 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1020 u32 pad_count;
1021 int i;
1022
1023 pad_count = (-ib->length_dw) & 7;
1024 for (i = 0; i < pad_count; i++)
1025 if (sdma && sdma->burst_nop && (i == 0))
1026 ib->ptr[ib->length_dw++] =
1027 SDMA_PKT_HEADER_OP(SDMA_OP_NOP)(((0) & 0x000000FF) << 0) |
1028 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1)(((pad_count - 1) & 0x00003FFF) << 16);
1029 else
1030 ib->ptr[ib->length_dw++] =
1031 SDMA_PKT_HEADER_OP(SDMA_OP_NOP)(((0) & 0x000000FF) << 0);
1032}
1033
1034/**
1035 * sdma_v3_0_ring_emit_pipeline_sync - sync the pipeline
1036 *
1037 * @ring: amdgpu_ring pointer
1038 *
1039 * Make sure all previous operations are completed (CIK).
1040 */
1041static void sdma_v3_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1042{
1043 uint32_t seq = ring->fence_drv.sync_seq;
1044 uint64_t addr = ring->fence_drv.gpu_addr;
1045
1046 /* wait for idle */
1047 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM)(((8) & 0x000000FF) << 0) |
1048 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0)(((0) & 0x00000001) << 26) |
1049 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)(((3) & 0x00000007) << 28) | /* equal */
1050 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)(((1) & 0x00000001) << 31));
1051 amdgpu_ring_write(ring, addr & 0xfffffffc);
1052 amdgpu_ring_write(ring, upper_32_bits(addr)((u32)(((addr) >> 16) >> 16)) & 0xffffffff);
1053 amdgpu_ring_write(ring, seq); /* reference */
1054 amdgpu_ring_write(ring, 0xffffffff); /* mask */
1055 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff)(((0xfff) & 0x00000FFF) << 16) |
1056 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)(((4) & 0x0000FFFF) << 0)); /* retry count, poll interval */
1057}
1058
1059/**
1060 * sdma_v3_0_ring_emit_vm_flush - cik vm flush using sDMA
1061 *
1062 * @ring: amdgpu_ring pointer
1063 * @vm: amdgpu_vm pointer
1064 *
1065 * Update the page table base and flush the VM TLB
1066 * using sDMA (VI).
1067 */
1068static void sdma_v3_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1069 unsigned vmid, uint64_t pd_addr)
1070{
1071 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr)(ring)->adev->gmc.gmc_funcs->emit_flush_gpu_tlb((ring
), (vmid), (pd_addr));
1072
1073 /* wait for flush */
1074 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM)(((8) & 0x000000FF) << 0) |
1075 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0)(((0) & 0x00000001) << 26) |
1076 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(0)(((0) & 0x00000007) << 28)); /* always */
1077 amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST0x51e << 2);
1078 amdgpu_ring_write(ring, 0);
1079 amdgpu_ring_write(ring, 0); /* reference */
1080 amdgpu_ring_write(ring, 0); /* mask */
1081 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff)(((0xfff) & 0x00000FFF) << 16) |
1082 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)(((10) & 0x0000FFFF) << 0)); /* retry count, poll interval */
1083}
1084
1085static void sdma_v3_0_ring_emit_wreg(struct amdgpu_ring *ring,
1086 uint32_t reg, uint32_t val)
1087{
1088 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE)(((14) & 0x000000FF) << 0) |
1089 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)(((0xf) & 0x0000000F) << 28));
1090 amdgpu_ring_write(ring, reg);
1091 amdgpu_ring_write(ring, val);
1092}
1093
1094static int sdma_v3_0_early_init(void *handle)
1095{
1096 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1097
1098 switch (adev->asic_type) {
1099 case CHIP_STONEY:
1100 adev->sdma.num_instances = 1;
1101 break;
1102 default:
1103 adev->sdma.num_instances = SDMA_MAX_INSTANCE2;
1104 break;
1105 }
1106
1107 sdma_v3_0_set_ring_funcs(adev);
1108 sdma_v3_0_set_buffer_funcs(adev);
1109 sdma_v3_0_set_vm_pte_funcs(adev);
1110 sdma_v3_0_set_irq_funcs(adev);
1111
1112 return 0;
1113}
1114
1115static int sdma_v3_0_sw_init(void *handle)
1116{
1117 struct amdgpu_ring *ring;
1118 int r, i;
1119 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1120
1121 /* SDMA trap event */
1122 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY0, VISLANDS30_IV_SRCID_SDMA_TRAP0x000000e0,
1123 &adev->sdma.trap_irq);
1124 if (r)
1125 return r;
1126
1127 /* SDMA Privileged inst */
1128 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY0, 241,
1129 &adev->sdma.illegal_inst_irq);
1130 if (r)
1131 return r;
1132
1133 /* SDMA Privileged inst */
1134 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY0, VISLANDS30_IV_SRCID_SDMA_SRBM_WRITE0x000000f7,
1135 &adev->sdma.illegal_inst_irq);
1136 if (r)
1137 return r;
1138
1139 r = sdma_v3_0_init_microcode(adev);
1140 if (r) {
1141 DRM_ERROR("Failed to load sdma firmware!\n")__drm_err("Failed to load sdma firmware!\n");
1142 return r;
1143 }
1144
1145 for (i = 0; i < adev->sdma.num_instances; i++) {
1146 ring = &adev->sdma.instance[i].ring;
1147 ring->ring_obj = NULL((void *)0);
1148 if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
1149 ring->use_doorbell = true1;
1150 ring->doorbell_index = adev->doorbell_index.sdma_engine[i];
1151 } else {
1152 ring->use_pollmem = true1;
1153 }
1154
1155 snprintf(ring->name, sizeof(ring->name), "sdma%d", i);
1156 r = amdgpu_ring_init(adev, ring, 1024,
1157 &adev->sdma.trap_irq,
1158 (i == 0) ?
1159 AMDGPU_SDMA_IRQ_INSTANCE0 :
1160 AMDGPU_SDMA_IRQ_INSTANCE1,
1161 AMDGPU_RING_PRIO_DEFAULT1);
1162 if (r)
1163 return r;
1164 }
1165
1166 return r;
1167}
1168
1169static int sdma_v3_0_sw_fini(void *handle)
1170{
1171 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1172 int i;
1173
1174 for (i = 0; i < adev->sdma.num_instances; i++)
1175 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1176
1177 sdma_v3_0_free_microcode(adev);
1178 return 0;
1179}
1180
1181static int sdma_v3_0_hw_init(void *handle)
1182{
1183 int r;
1184 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1185
1186 sdma_v3_0_init_golden_registers(adev);
1187
1188 r = sdma_v3_0_start(adev);
2
←
Calling 'sdma_v3_0_start'
→
1189 if (r)
1190 return r;
1191
1192 return r;
1193}
1194
1195static int sdma_v3_0_hw_fini(void *handle)
1196{
1197 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1198
1199 sdma_v3_0_ctx_switch_enable(adev, false0);
1200 sdma_v3_0_enable(adev, false0);
1201
1202 return 0;
1203}
1204
1205static int sdma_v3_0_suspend(void *handle)
1206{
1207 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1208
1209 return sdma_v3_0_hw_fini(adev);
1210}
1211
1212static int sdma_v3_0_resume(void *handle)
1213{
1214 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1215
1216 return sdma_v3_0_hw_init(adev);
1
Calling 'sdma_v3_0_hw_init'
→
1217}
1218
1219static bool_Bool sdma_v3_0_is_idle(void *handle)
1220{
1221 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1222 u32 tmp = RREG32(mmSRBM_STATUS2)amdgpu_device_rreg(adev, (0x393), 0);
1223
1224 if (tmp & (SRBM_STATUS2__SDMA_BUSY_MASK0x20 |
1225 SRBM_STATUS2__SDMA1_BUSY_MASK0x40))
1226 return false0;
1227
1228 return true1;
1229}
1230
1231static int sdma_v3_0_wait_for_idle(void *handle)
1232{
1233 unsigned i;
1234 u32 tmp;
1235 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1236
1237 for (i = 0; i < adev->usec_timeout; i++) {
1238 tmp = RREG32(mmSRBM_STATUS2)amdgpu_device_rreg(adev, (0x393), 0) & (SRBM_STATUS2__SDMA_BUSY_MASK0x20 |
1239 SRBM_STATUS2__SDMA1_BUSY_MASK0x40);
1240
1241 if (!tmp)
1242 return 0;
1243 udelay(1);
1244 }
1245 return -ETIMEDOUT60;
1246}
1247
1248static bool_Bool sdma_v3_0_check_soft_reset(void *handle)
1249{
1250 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1251 u32 srbm_soft_reset = 0;
1252 u32 tmp = RREG32(mmSRBM_STATUS2)amdgpu_device_rreg(adev, (0x393), 0);
1253
1254 if ((tmp & SRBM_STATUS2__SDMA_BUSY_MASK0x20) ||
1255 (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK0x40)) {
1256 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK0x100000;
1257 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK0x40;
1258 }
1259
1260 if (srbm_soft_reset) {
1261 adev->sdma.srbm_soft_reset = srbm_soft_reset;
1262 return true1;
1263 } else {
1264 adev->sdma.srbm_soft_reset = 0;
1265 return false0;
1266 }
1267}
1268
1269static int sdma_v3_0_pre_soft_reset(void *handle)
1270{
1271 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1272 u32 srbm_soft_reset = 0;
1273
1274 if (!adev->sdma.srbm_soft_reset)
1275 return 0;
1276
1277 srbm_soft_reset = adev->sdma.srbm_soft_reset;
1278
1279 if (REG_GET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA)(((srbm_soft_reset) & 0x100000) >> 0x14) ||
1280 REG_GET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA1)(((srbm_soft_reset) & 0x40) >> 0x6)) {
1281 sdma_v3_0_ctx_switch_enable(adev, false0);
1282 sdma_v3_0_enable(adev, false0);
1283 }
1284
1285 return 0;
1286}
1287
1288static int sdma_v3_0_post_soft_reset(void *handle)
1289{
1290 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1291 u32 srbm_soft_reset = 0;
1292
1293 if (!adev->sdma.srbm_soft_reset)
1294 return 0;
1295
1296 srbm_soft_reset = adev->sdma.srbm_soft_reset;
1297
1298 if (REG_GET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA)(((srbm_soft_reset) & 0x100000) >> 0x14) ||
1299 REG_GET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA1)(((srbm_soft_reset) & 0x40) >> 0x6)) {
1300 sdma_v3_0_gfx_resume(adev);
1301 sdma_v3_0_rlc_resume(adev);
1302 }
1303
1304 return 0;
1305}
1306
1307static int sdma_v3_0_soft_reset(void *handle)
1308{
1309 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1310 u32 srbm_soft_reset = 0;
1311 u32 tmp;
1312
1313 if (!adev->sdma.srbm_soft_reset)
1314 return 0;
1315
1316 srbm_soft_reset = adev->sdma.srbm_soft_reset;
1317
1318 if (srbm_soft_reset) {
1319 tmp = RREG32(mmSRBM_SOFT_RESET)amdgpu_device_rreg(adev, (0x398), 0);
1320 tmp |= srbm_soft_reset;
1321 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp)do { } while(0);
1322 WREG32(mmSRBM_SOFT_RESET, tmp)amdgpu_device_wreg(adev, (0x398), (tmp), 0);
1323 tmp = RREG32(mmSRBM_SOFT_RESET)amdgpu_device_rreg(adev, (0x398), 0);
1324
1325 udelay(50);
1326
1327 tmp &= ~srbm_soft_reset;
1328 WREG32(mmSRBM_SOFT_RESET, tmp)amdgpu_device_wreg(adev, (0x398), (tmp), 0);
1329 tmp = RREG32(mmSRBM_SOFT_RESET)amdgpu_device_rreg(adev, (0x398), 0);
1330
1331 /* Wait a little for things to settle down */
1332 udelay(50);
1333 }
1334
1335 return 0;
1336}
1337
1338static int sdma_v3_0_set_trap_irq_state(struct amdgpu_device *adev,
1339 struct amdgpu_irq_src *source,
1340 unsigned type,
1341 enum amdgpu_interrupt_state state)
1342{
1343 u32 sdma_cntl;
1344
1345 switch (type) {
1346 case AMDGPU_SDMA_IRQ_INSTANCE0:
1347 switch (state) {
1348 case AMDGPU_IRQ_STATE_DISABLE:
1349 sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET)amdgpu_device_rreg(adev, (0x3404 + 0x0), 0);
1350 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0)(((sdma_cntl) & ~0x1) | (0x1 & ((0) << 0x0)));
1351 WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl)amdgpu_device_wreg(adev, (0x3404 + 0x0), (sdma_cntl), 0);
1352 break;
1353 case AMDGPU_IRQ_STATE_ENABLE:
1354 sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET)amdgpu_device_rreg(adev, (0x3404 + 0x0), 0);
1355 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1)(((sdma_cntl) & ~0x1) | (0x1 & ((1) << 0x0)));
1356 WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl)amdgpu_device_wreg(adev, (0x3404 + 0x0), (sdma_cntl), 0);
1357 break;
1358 default:
1359 break;
1360 }
1361 break;
1362 case AMDGPU_SDMA_IRQ_INSTANCE1:
1363 switch (state) {
1364 case AMDGPU_IRQ_STATE_DISABLE:
1365 sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET)amdgpu_device_rreg(adev, (0x3404 + 0x200), 0);
1366 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0)(((sdma_cntl) & ~0x1) | (0x1 & ((0) << 0x0)));
1367 WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl)amdgpu_device_wreg(adev, (0x3404 + 0x200), (sdma_cntl), 0);
1368 break;
1369 case AMDGPU_IRQ_STATE_ENABLE:
1370 sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET)amdgpu_device_rreg(adev, (0x3404 + 0x200), 0);
1371 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1)(((sdma_cntl) & ~0x1) | (0x1 & ((1) << 0x0)));
1372 WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl)amdgpu_device_wreg(adev, (0x3404 + 0x200), (sdma_cntl), 0);
1373 break;
1374 default:
1375 break;
1376 }
1377 break;
1378 default:
1379 break;
1380 }
1381 return 0;
1382}
1383
1384static int sdma_v3_0_process_trap_irq(struct amdgpu_device *adev,
1385 struct amdgpu_irq_src *source,
1386 struct amdgpu_iv_entry *entry)
1387{
1388 u8 instance_id, queue_id;
1389
1390 instance_id = (entry->ring_id & 0x3) >> 0;
1391 queue_id = (entry->ring_id & 0xc) >> 2;
1392 DRM_DEBUG("IH: SDMA trap\n")__drm_dbg(DRM_UT_CORE, "IH: SDMA trap\n");
1393 switch (instance_id) {
1394 case 0:
1395 switch (queue_id) {
1396 case 0:
1397 amdgpu_fence_process(&adev->sdma.instance[0].ring);
1398 break;
1399 case 1:
1400 /* XXX compute */
1401 break;
1402 case 2:
1403 /* XXX compute */
1404 break;
1405 }
1406 break;
1407 case 1:
1408 switch (queue_id) {
1409 case 0:
1410 amdgpu_fence_process(&adev->sdma.instance[1].ring);
1411 break;
1412 case 1:
1413 /* XXX compute */
1414 break;
1415 case 2:
1416 /* XXX compute */
1417 break;
1418 }
1419 break;
1420 }
1421 return 0;
1422}
1423
1424static int sdma_v3_0_process_illegal_inst_irq(struct amdgpu_device *adev,
1425 struct amdgpu_irq_src *source,
1426 struct amdgpu_iv_entry *entry)
1427{
1428 u8 instance_id, queue_id;
1429
1430 DRM_ERROR("Illegal instruction in SDMA command stream\n")__drm_err("Illegal instruction in SDMA command stream\n");
1431 instance_id = (entry->ring_id & 0x3) >> 0;
1432 queue_id = (entry->ring_id & 0xc) >> 2;
1433
1434 if (instance_id <= 1 && queue_id == 0)
1435 drm_sched_fault(&adev->sdma.instance[instance_id].ring.sched);
1436 return 0;
1437}
1438
1439static void sdma_v3_0_update_sdma_medium_grain_clock_gating(
1440 struct amdgpu_device *adev,
1441 bool_Bool enable)
1442{
1443 uint32_t temp, data;
1444 int i;
1445
1446 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG(1 << 11))) {
1447 for (i = 0; i < adev->sdma.num_instances; i++) {
1448 temp = data = RREG32(mmSDMA0_CLK_CTRL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3403 + sdma_offsets[i]), 0);
1449 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK0x1000000 |
1450 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK0x2000000 |
1451 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK0x4000000 |
1452 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK0x8000000 |
1453 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK0x10000000 |
1454 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK0x20000000 |
1455 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK0x40000000 |
1456 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK0x80000000);
1457 if (data != temp)
1458 WREG32(mmSDMA0_CLK_CTRL + sdma_offsets[i], data)amdgpu_device_wreg(adev, (0x3403 + sdma_offsets[i]), (data), 0
);
1459 }
1460 } else {
1461 for (i = 0; i < adev->sdma.num_instances; i++) {
1462 temp = data = RREG32(mmSDMA0_CLK_CTRL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3403 + sdma_offsets[i]), 0);
1463 data |= SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK0x1000000 |
1464 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK0x2000000 |
1465 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK0x4000000 |
1466 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK0x8000000 |
1467 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK0x10000000 |
1468 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK0x20000000 |
1469 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK0x40000000 |
1470 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK0x80000000;
1471
1472 if (data != temp)
1473 WREG32(mmSDMA0_CLK_CTRL + sdma_offsets[i], data)amdgpu_device_wreg(adev, (0x3403 + sdma_offsets[i]), (data), 0
);
1474 }
1475 }
1476}
1477
1478static void sdma_v3_0_update_sdma_medium_grain_light_sleep(
1479 struct amdgpu_device *adev,
1480 bool_Bool enable)
1481{
1482 uint32_t temp, data;
1483 int i;
1484
1485 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS(1 << 10))) {
1486 for (i = 0; i < adev->sdma.num_instances; i++) {
1487 temp = data = RREG32(mmSDMA0_POWER_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3402 + sdma_offsets[i]), 0);
1488 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK0x100;
1489
1490 if (temp != data)
1491 WREG32(mmSDMA0_POWER_CNTL + sdma_offsets[i], data)amdgpu_device_wreg(adev, (0x3402 + sdma_offsets[i]), (data), 0
);
1492 }
1493 } else {
1494 for (i = 0; i < adev->sdma.num_instances; i++) {
1495 temp = data = RREG32(mmSDMA0_POWER_CNTL + sdma_offsets[i])amdgpu_device_rreg(adev, (0x3402 + sdma_offsets[i]), 0);
1496 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK0x100;
1497
1498 if (temp != data)
1499 WREG32(mmSDMA0_POWER_CNTL + sdma_offsets[i], data)amdgpu_device_wreg(adev, (0x3402 + sdma_offsets[i]), (data), 0
);
1500 }
1501 }
1502}
1503
1504static int sdma_v3_0_set_clockgating_state(void *handle,
1505 enum amd_clockgating_state state)
1506{
1507 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1508
1509 if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
1510 return 0;
1511
1512 switch (adev->asic_type) {
1513 case CHIP_FIJI:
1514 case CHIP_CARRIZO:
1515 case CHIP_STONEY:
1516 sdma_v3_0_update_sdma_medium_grain_clock_gating(adev,
1517 state == AMD_CG_STATE_GATE);
1518 sdma_v3_0_update_sdma_medium_grain_light_sleep(adev,
1519 state == AMD_CG_STATE_GATE);
1520 break;
1521 default:
1522 break;
1523 }
1524 return 0;
1525}
1526
1527static int sdma_v3_0_set_powergating_state(void *handle,
1528 enum amd_powergating_state state)
1529{
1530 return 0;
1531}
1532
1533static void sdma_v3_0_get_clockgating_state(void *handle, u32 *flags)
1534{
1535 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1536 int data;
1537
1538 if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
1539 *flags = 0;
1540
1541 /* AMD_CG_SUPPORT_SDMA_MGCG */
1542 data = RREG32(mmSDMA0_CLK_CTRL + sdma_offsets[0])amdgpu_device_rreg(adev, (0x3403 + sdma_offsets[0]), 0);
1543 if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK0x80000000))
1544 *flags |= AMD_CG_SUPPORT_SDMA_MGCG(1 << 11);
1545
1546 /* AMD_CG_SUPPORT_SDMA_LS */
1547 data = RREG32(mmSDMA0_POWER_CNTL + sdma_offsets[0])amdgpu_device_rreg(adev, (0x3402 + sdma_offsets[0]), 0);
1548 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK0x100)
1549 *flags |= AMD_CG_SUPPORT_SDMA_LS(1 << 10);
1550}
1551
1552static const struct amd_ip_funcs sdma_v3_0_ip_funcs = {
1553 .name = "sdma_v3_0",
1554 .early_init = sdma_v3_0_early_init,
1555 .late_init = NULL((void *)0),
1556 .sw_init = sdma_v3_0_sw_init,
1557 .sw_fini = sdma_v3_0_sw_fini,
1558 .hw_init = sdma_v3_0_hw_init,
1559 .hw_fini = sdma_v3_0_hw_fini,
1560 .suspend = sdma_v3_0_suspend,
1561 .resume = sdma_v3_0_resume,
1562 .is_idle = sdma_v3_0_is_idle,
1563 .wait_for_idle = sdma_v3_0_wait_for_idle,
1564 .check_soft_reset = sdma_v3_0_check_soft_reset,
1565 .pre_soft_reset = sdma_v3_0_pre_soft_reset,
1566 .post_soft_reset = sdma_v3_0_post_soft_reset,
1567 .soft_reset = sdma_v3_0_soft_reset,
1568 .set_clockgating_state = sdma_v3_0_set_clockgating_state,
1569 .set_powergating_state = sdma_v3_0_set_powergating_state,
1570 .get_clockgating_state = sdma_v3_0_get_clockgating_state,
1571};
1572
1573static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = {
1574 .type = AMDGPU_RING_TYPE_SDMA,
1575 .align_mask = 0xf,
1576 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP)(((0) & 0x000000FF) << 0),
1577 .support_64bit_ptrs = false0,
1578 .get_rptr = sdma_v3_0_ring_get_rptr,
1579 .get_wptr = sdma_v3_0_ring_get_wptr,
1580 .set_wptr = sdma_v3_0_ring_set_wptr,
1581 .emit_frame_size =
1582 6 + /* sdma_v3_0_ring_emit_hdp_flush */
1583 3 + /* hdp invalidate */
1584 6 + /* sdma_v3_0_ring_emit_pipeline_sync */
1585 VI_FLUSH_GPU_TLB_NUM_WREG3 * 3 + 6 + /* sdma_v3_0_ring_emit_vm_flush */
1586 10 + 10 + 10, /* sdma_v3_0_ring_emit_fence x3 for user fence, vm fence */
1587 .emit_ib_size = 7 + 6, /* sdma_v3_0_ring_emit_ib */
1588 .emit_ib = sdma_v3_0_ring_emit_ib,
1589 .emit_fence = sdma_v3_0_ring_emit_fence,
1590 .emit_pipeline_sync = sdma_v3_0_ring_emit_pipeline_sync,
1591 .emit_vm_flush = sdma_v3_0_ring_emit_vm_flush,
1592 .emit_hdp_flush = sdma_v3_0_ring_emit_hdp_flush,
1593 .test_ring = sdma_v3_0_ring_test_ring,
1594 .test_ib = sdma_v3_0_ring_test_ib,
1595 .insert_nop = sdma_v3_0_ring_insert_nop,
1596 .pad_ib = sdma_v3_0_ring_pad_ib,
1597 .emit_wreg = sdma_v3_0_ring_emit_wreg,
1598};
1599
1600static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev)
1601{
1602 int i;
1603
1604 for (i = 0; i < adev->sdma.num_instances; i++) {
1605 adev->sdma.instance[i].ring.funcs = &sdma_v3_0_ring_funcs;
1606 adev->sdma.instance[i].ring.me = i;
1607 }
1608}
1609
1610static const struct amdgpu_irq_src_funcs sdma_v3_0_trap_irq_funcs = {
1611 .set = sdma_v3_0_set_trap_irq_state,
1612 .process = sdma_v3_0_process_trap_irq,
1613};
1614
1615static const struct amdgpu_irq_src_funcs sdma_v3_0_illegal_inst_irq_funcs = {
1616 .process = sdma_v3_0_process_illegal_inst_irq,
1617};
1618
1619static void sdma_v3_0_set_irq_funcs(struct amdgpu_device *adev)
1620{
1621 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
1622 adev->sdma.trap_irq.funcs = &sdma_v3_0_trap_irq_funcs;
1623 adev->sdma.illegal_inst_irq.funcs = &sdma_v3_0_illegal_inst_irq_funcs;
1624}
1625
1626/**
1627 * sdma_v3_0_emit_copy_buffer - copy buffer using the sDMA engine
1628 *
1629 * @ring: amdgpu_ring structure holding ring information
1630 * @src_offset: src GPU address
1631 * @dst_offset: dst GPU address
1632 * @byte_count: number of bytes to xfer
1633 *
1634 * Copy GPU buffers using the DMA engine (VI).
1635 * Used by the amdgpu ttm implementation to move pages if
1636 * registered as the asic copy callback.
1637 */
1638static void sdma_v3_0_emit_copy_buffer(struct amdgpu_ib *ib,
1639 uint64_t src_offset,
1640 uint64_t dst_offset,
1641 uint32_t byte_count,
1642 bool_Bool tmz)
1643{
1644 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY)(((1) & 0x000000FF) << 0) |
1645 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR)(((0) & 0x000000FF) << 8);
1646 ib->ptr[ib->length_dw++] = byte_count;
1647 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1648 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset)((u32)(src_offset));
1649 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset)((u32)(((src_offset) >> 16) >> 16));
1650 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset)((u32)(dst_offset));
1651 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset)((u32)(((dst_offset) >> 16) >> 16));
1652}
1653
1654/**
1655 * sdma_v3_0_emit_fill_buffer - fill buffer using the sDMA engine
1656 *
1657 * @ring: amdgpu_ring structure holding ring information
1658 * @src_data: value to write to buffer
1659 * @dst_offset: dst GPU address
1660 * @byte_count: number of bytes to xfer
1661 *
1662 * Fill GPU buffers using the DMA engine (VI).
1663 */
1664static void sdma_v3_0_emit_fill_buffer(struct amdgpu_ib *ib,
1665 uint32_t src_data,
1666 uint64_t dst_offset,
1667 uint32_t byte_count)
1668{
1669 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL)(((11) & 0x000000FF) << 0);
1670 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset)((u32)(dst_offset));
1671 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset)((u32)(((dst_offset) >> 16) >> 16));
1672 ib->ptr[ib->length_dw++] = src_data;
1673 ib->ptr[ib->length_dw++] = byte_count;
1674}
1675
1676static const struct amdgpu_buffer_funcs sdma_v3_0_buffer_funcs = {
1677 .copy_max_bytes = 0x3fffe0, /* not 0x3fffff due to HW limitation */
1678 .copy_num_dw = 7,
1679 .emit_copy_buffer = sdma_v3_0_emit_copy_buffer,
1680
1681 .fill_max_bytes = 0x3fffe0, /* not 0x3fffff due to HW limitation */
1682 .fill_num_dw = 5,
1683 .emit_fill_buffer = sdma_v3_0_emit_fill_buffer,
1684};
1685
1686static void sdma_v3_0_set_buffer_funcs(struct amdgpu_device *adev)
1687{
1688 adev->mman.buffer_funcs = &sdma_v3_0_buffer_funcs;
1689 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
1690}
1691
1692static const struct amdgpu_vm_pte_funcs sdma_v3_0_vm_pte_funcs = {
1693 .copy_pte_num_dw = 7,
1694 .copy_pte = sdma_v3_0_vm_copy_pte,
1695
1696 .write_pte = sdma_v3_0_vm_write_pte,
1697 .set_pte_pde = sdma_v3_0_vm_set_pte_pde,
1698};
1699
1700static void sdma_v3_0_set_vm_pte_funcs(struct amdgpu_device *adev)
1701{
1702 unsigned i;
1703
1704 adev->vm_manager.vm_pte_funcs = &sdma_v3_0_vm_pte_funcs;
1705 for (i = 0; i < adev->sdma.num_instances; i++) {
1706 adev->vm_manager.vm_pte_scheds[i] =
1707 &adev->sdma.instance[i].ring.sched;
1708 }
1709 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
1710}
1711
1712const struct amdgpu_ip_block_version sdma_v3_0_ip_block =
1713{
1714 .type = AMD_IP_BLOCK_TYPE_SDMA,
1715 .major = 3,
1716 .minor = 0,
1717 .rev = 0,
1718 .funcs = &sdma_v3_0_ip_funcs,
1719};
1720
1721const struct amdgpu_ip_block_version sdma_v3_1_ip_block =
1722{
1723 .type = AMD_IP_BLOCK_TYPE_SDMA,
1724 .major = 3,
1725 .minor = 1,
1726 .rev = 0,
1727 .funcs = &sdma_v3_0_ip_funcs,
1728};