2 * Copyright 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <linux/delay.h>
25 #include <linux/firmware.h>
26 #include <linux/module.h>
27 #include <linux/pci.h>
30 #include "amdgpu_ucode.h"
31 #include "amdgpu_trace.h"
33 #include "gc/gc_10_1_0_offset.h"
34 #include "gc/gc_10_1_0_sh_mask.h"
35 #include "ivsrcid/sdma0/irqsrcs_sdma0_5_0.h"
36 #include "ivsrcid/sdma1/irqsrcs_sdma1_5_0.h"
38 #include "soc15_common.h"
40 #include "navi10_sdma_pkt_open.h"
41 #include "nbio_v2_3.h"
42 #include "sdma_common.h"
43 #include "sdma_v5_0.h"
45 MODULE_FIRMWARE("amdgpu/navi10_sdma.bin");
46 MODULE_FIRMWARE("amdgpu/navi10_sdma1.bin");
48 MODULE_FIRMWARE("amdgpu/navi14_sdma.bin");
49 MODULE_FIRMWARE("amdgpu/navi14_sdma1.bin");
51 MODULE_FIRMWARE("amdgpu/navi12_sdma.bin");
52 MODULE_FIRMWARE("amdgpu/navi12_sdma1.bin");
54 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma.bin");
55 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma1.bin");
57 #define SDMA1_REG_OFFSET 0x600
58 #define SDMA0_HYP_DEC_REG_START 0x5880
59 #define SDMA0_HYP_DEC_REG_END 0x5893
60 #define SDMA1_HYP_DEC_REG_OFFSET 0x20
62 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev);
63 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev);
64 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev);
65 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev);
67 static const struct soc15_reg_golden golden_settings_sdma_5[] = {
68 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
69 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
70 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
71 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
72 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
73 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
74 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
75 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
76 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
77 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
78 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
79 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x00ffffff, 0x000c5c00),
80 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
81 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
82 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
83 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
84 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
85 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
86 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
87 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
88 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
89 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
90 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
91 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x00ffffff, 0x000c5c00)
94 static const struct soc15_reg_golden golden_settings_sdma_5_sriov[] = {
95 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
96 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
97 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
98 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
99 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
100 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
101 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
102 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
103 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
104 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
105 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
106 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
107 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
108 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
109 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
110 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
111 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
112 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
113 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
114 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
117 static const struct soc15_reg_golden golden_settings_sdma_nv10[] = {
118 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
119 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
122 static const struct soc15_reg_golden golden_settings_sdma_nv14[] = {
123 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
124 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
127 static const struct soc15_reg_golden golden_settings_sdma_nv12[] = {
128 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
129 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
130 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
131 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
132 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
133 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
136 static const struct soc15_reg_golden golden_settings_sdma_cyan_skillfish[] = {
137 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
138 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
139 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
140 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
141 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
142 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
143 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
144 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
145 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
146 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
147 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
148 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
149 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
150 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x007fffff, 0x004c5c00),
151 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
152 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
153 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
154 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
155 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
156 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
157 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
158 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
159 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
160 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
161 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
162 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
163 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
164 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x007fffff, 0x004c5c00)
167 static u32 sdma_v5_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset)
171 if (internal_offset >= SDMA0_HYP_DEC_REG_START &&
172 internal_offset <= SDMA0_HYP_DEC_REG_END) {
173 base = adev->reg_offset[GC_HWIP][0][1];
175 internal_offset += SDMA1_HYP_DEC_REG_OFFSET;
177 base = adev->reg_offset[GC_HWIP][0][0];
179 internal_offset += SDMA1_REG_OFFSET;
182 return base + internal_offset;
185 static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev)
187 switch (adev->ip_versions[SDMA0_HWIP][0]) {
188 case IP_VERSION(5, 0, 0):
189 soc15_program_register_sequence(adev,
190 golden_settings_sdma_5,
191 (const u32)ARRAY_SIZE(golden_settings_sdma_5));
192 soc15_program_register_sequence(adev,
193 golden_settings_sdma_nv10,
194 (const u32)ARRAY_SIZE(golden_settings_sdma_nv10));
196 case IP_VERSION(5, 0, 2):
197 soc15_program_register_sequence(adev,
198 golden_settings_sdma_5,
199 (const u32)ARRAY_SIZE(golden_settings_sdma_5));
200 soc15_program_register_sequence(adev,
201 golden_settings_sdma_nv14,
202 (const u32)ARRAY_SIZE(golden_settings_sdma_nv14));
204 case IP_VERSION(5, 0, 5):
205 if (amdgpu_sriov_vf(adev))
206 soc15_program_register_sequence(adev,
207 golden_settings_sdma_5_sriov,
208 (const u32)ARRAY_SIZE(golden_settings_sdma_5_sriov));
210 soc15_program_register_sequence(adev,
211 golden_settings_sdma_5,
212 (const u32)ARRAY_SIZE(golden_settings_sdma_5));
213 soc15_program_register_sequence(adev,
214 golden_settings_sdma_nv12,
215 (const u32)ARRAY_SIZE(golden_settings_sdma_nv12));
217 case IP_VERSION(5, 0, 1):
218 soc15_program_register_sequence(adev,
219 golden_settings_sdma_cyan_skillfish,
220 (const u32)ARRAY_SIZE(golden_settings_sdma_cyan_skillfish));
228 * sdma_v5_0_init_microcode - load ucode images from disk
230 * @adev: amdgpu_device pointer
232 * Use the firmware interface to load the ucode images into
233 * the driver (not loaded into hw).
234 * Returns 0 on success, error on failure.
237 // emulation only, won't work on real chip
238 // navi10 real chip need to use PSP to load firmware
239 static int sdma_v5_0_init_microcode(struct amdgpu_device *adev)
241 const char *chip_name;
244 struct amdgpu_firmware_info *info = NULL;
245 const struct common_firmware_header *header = NULL;
246 const struct sdma_firmware_header_v1_0 *hdr;
248 if (amdgpu_sriov_vf(adev) && (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(5, 0, 5)))
253 switch (adev->ip_versions[SDMA0_HWIP][0]) {
254 case IP_VERSION(5, 0, 0):
255 chip_name = "navi10";
257 case IP_VERSION(5, 0, 2):
258 chip_name = "navi14";
260 case IP_VERSION(5, 0, 5):
261 chip_name = "navi12";
263 case IP_VERSION(5, 0, 1):
264 chip_name = "cyan_skillfish2";
270 for (i = 0; i < adev->sdma.num_instances; i++) {
272 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
274 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name);
275 err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
278 err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
281 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
282 adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version);
283 adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version);
284 if (adev->sdma.instance[i].feature_version >= 20)
285 adev->sdma.instance[i].burst_nop = true;
286 DRM_DEBUG("psp_load == '%s'\n",
287 adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false");
289 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
290 info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
291 info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i;
292 info->fw = adev->sdma.instance[i].fw;
293 header = (const struct common_firmware_header *)info->fw->data;
294 adev->firmware.fw_size +=
295 ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
300 DRM_ERROR("sdma_v5_0: Failed to load firmware \"%s\"\n", fw_name);
301 for (i = 0; i < adev->sdma.num_instances; i++) {
302 release_firmware(adev->sdma.instance[i].fw);
303 adev->sdma.instance[i].fw = NULL;
309 static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring)
313 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE));
314 amdgpu_ring_write(ring, lower_32_bits(ring->cond_exe_gpu_addr));
315 amdgpu_ring_write(ring, upper_32_bits(ring->cond_exe_gpu_addr));
316 amdgpu_ring_write(ring, 1);
317 ret = ring->wptr & ring->buf_mask;/* this is the offset we need patch later */
318 amdgpu_ring_write(ring, 0x55aa55aa);/* insert dummy here and patch it later */
323 static void sdma_v5_0_ring_patch_cond_exec(struct amdgpu_ring *ring,
328 BUG_ON(offset > ring->buf_mask);
329 BUG_ON(ring->ring[offset] != 0x55aa55aa);
331 cur = (ring->wptr - 1) & ring->buf_mask;
333 ring->ring[offset] = cur - offset;
335 ring->ring[offset] = (ring->buf_mask + 1) - offset + cur;
339 * sdma_v5_0_ring_get_rptr - get the current read pointer
341 * @ring: amdgpu ring pointer
343 * Get the current rptr from the hardware (NAVI10+).
345 static uint64_t sdma_v5_0_ring_get_rptr(struct amdgpu_ring *ring)
349 /* XXX check if swapping is necessary on BE */
350 rptr = (u64 *)ring->rptr_cpu_addr;
352 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
353 return ((*rptr) >> 2);
357 * sdma_v5_0_ring_get_wptr - get the current write pointer
359 * @ring: amdgpu ring pointer
361 * Get the current wptr from the hardware (NAVI10+).
363 static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring)
365 struct amdgpu_device *adev = ring->adev;
368 if (ring->use_doorbell) {
369 /* XXX check if swapping is necessary on BE */
370 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr));
371 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
373 wptr = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI));
375 wptr |= RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR));
376 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr);
383 * sdma_v5_0_ring_set_wptr - commit the write pointer
385 * @ring: amdgpu ring pointer
387 * Write the wptr back to the hardware (NAVI10+).
389 static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring)
391 struct amdgpu_device *adev = ring->adev;
393 DRM_DEBUG("Setting write pointer\n");
394 if (ring->use_doorbell) {
395 DRM_DEBUG("Using doorbell -- "
396 "wptr_offs == 0x%08x "
397 "lower_32_bits(ring->wptr << 2) == 0x%08x "
398 "upper_32_bits(ring->wptr << 2) == 0x%08x\n",
400 lower_32_bits(ring->wptr << 2),
401 upper_32_bits(ring->wptr << 2));
402 /* XXX check if swapping is necessary on BE */
403 atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
405 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
406 ring->doorbell_index, ring->wptr << 2);
407 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
409 DRM_DEBUG("Not using doorbell -- "
410 "mmSDMA%i_GFX_RB_WPTR == 0x%08x "
411 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
413 lower_32_bits(ring->wptr << 2),
415 upper_32_bits(ring->wptr << 2));
416 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR),
417 lower_32_bits(ring->wptr << 2));
418 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI),
419 upper_32_bits(ring->wptr << 2));
423 static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
425 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
428 for (i = 0; i < count; i++)
429 if (sdma && sdma->burst_nop && (i == 0))
430 amdgpu_ring_write(ring, ring->funcs->nop |
431 SDMA_PKT_NOP_HEADER_COUNT(count - 1));
433 amdgpu_ring_write(ring, ring->funcs->nop);
437 * sdma_v5_0_ring_emit_ib - Schedule an IB on the DMA engine
439 * @ring: amdgpu ring pointer
440 * @job: job to retrieve vmid from
441 * @ib: IB object to schedule
444 * Schedule an IB in the DMA ring (NAVI10).
446 static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
447 struct amdgpu_job *job,
448 struct amdgpu_ib *ib,
451 unsigned vmid = AMDGPU_JOB_GET_VMID(job);
452 uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid);
454 /* An IB packet must end on a 8 DW boundary--the next dword
455 * must be on a 8-dword boundary. Our IB packet below is 6
456 * dwords long, thus add x number of NOPs, such that, in
457 * modular arithmetic,
458 * wptr + 6 + x = 8k, k >= 0, which in C is,
459 * (wptr + 6 + x) % 8 = 0.
460 * The expression below, is a solution of x.
462 sdma_v5_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
464 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
465 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
466 /* base must be 32 byte aligned */
467 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
468 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
469 amdgpu_ring_write(ring, ib->length_dw);
470 amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr));
471 amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr));
475 * sdma_v5_0_ring_emit_mem_sync - flush the IB by graphics cache rinse
477 * @ring: amdgpu ring pointer
479 * flush the IB by graphics cache rinse.
481 static void sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring *ring)
483 uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV |
484 SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV |
487 /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */
488 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ));
489 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0));
490 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) |
491 SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0));
492 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) |
493 SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16));
494 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) |
495 SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0));
499 * sdma_v5_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
501 * @ring: amdgpu ring pointer
503 * Emit an hdp flush packet on the requested DMA ring.
505 static void sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
507 struct amdgpu_device *adev = ring->adev;
508 u32 ref_and_mask = 0;
509 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
512 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0;
514 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1;
516 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
517 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) |
518 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
519 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2);
520 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2);
521 amdgpu_ring_write(ring, ref_and_mask); /* reference */
522 amdgpu_ring_write(ring, ref_and_mask); /* mask */
523 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
524 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
528 * sdma_v5_0_ring_emit_fence - emit a fence on the DMA ring
530 * @ring: amdgpu ring pointer
532 * @seq: sequence number
533 * @flags: fence related flags
535 * Add a DMA fence packet to the ring to write
536 * the fence seq number and DMA trap packet to generate
537 * an interrupt if needed (NAVI10).
539 static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
542 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
543 /* write the fence */
544 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
545 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */
546 /* zero in first two bits */
548 amdgpu_ring_write(ring, lower_32_bits(addr));
549 amdgpu_ring_write(ring, upper_32_bits(addr));
550 amdgpu_ring_write(ring, lower_32_bits(seq));
552 /* optionally write high bits as well */
555 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
556 SDMA_PKT_FENCE_HEADER_MTYPE(0x3));
557 /* zero in first two bits */
559 amdgpu_ring_write(ring, lower_32_bits(addr));
560 amdgpu_ring_write(ring, upper_32_bits(addr));
561 amdgpu_ring_write(ring, upper_32_bits(seq));
564 if (flags & AMDGPU_FENCE_FLAG_INT) {
565 uint32_t ctx = ring->is_mes_queue ?
566 (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0;
567 /* generate an interrupt */
568 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
569 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx));
575 * sdma_v5_0_gfx_stop - stop the gfx async dma engines
577 * @adev: amdgpu_device pointer
579 * Stop the gfx async dma ring buffers (NAVI10).
581 static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev)
583 struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring;
584 struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring;
585 u32 rb_cntl, ib_cntl;
588 if ((adev->mman.buffer_funcs_ring == sdma0) ||
589 (adev->mman.buffer_funcs_ring == sdma1))
590 amdgpu_ttm_set_buffer_funcs_status(adev, false);
592 for (i = 0; i < adev->sdma.num_instances; i++) {
593 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
594 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
595 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
596 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
597 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
598 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
603 * sdma_v5_0_rlc_stop - stop the compute async dma engines
605 * @adev: amdgpu_device pointer
607 * Stop the compute async dma queues (NAVI10).
609 static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev)
615 * sdma_v5_0_ctx_switch_enable - stop the async dma engines context switch
617 * @adev: amdgpu_device pointer
618 * @enable: enable/disable the DMA MEs context switch.
620 * Halt or unhalt the async dma engines context switch (NAVI10).
622 static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
624 u32 f32_cntl = 0, phase_quantum = 0;
627 if (amdgpu_sdma_phase_quantum) {
628 unsigned value = amdgpu_sdma_phase_quantum;
631 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
632 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
633 value = (value + 1) >> 1;
636 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
637 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
638 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
639 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
640 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
641 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
643 "clamping sdma_phase_quantum to %uK clock cycles\n",
647 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
648 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
651 for (i = 0; i < adev->sdma.num_instances; i++) {
652 if (!amdgpu_sriov_vf(adev)) {
653 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
654 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
655 AUTO_CTXSW_ENABLE, enable ? 1 : 0);
658 if (enable && amdgpu_sdma_phase_quantum) {
659 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM),
661 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM),
663 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM),
666 if (!amdgpu_sriov_vf(adev))
667 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl);
673 * sdma_v5_0_enable - stop the async dma engines
675 * @adev: amdgpu_device pointer
676 * @enable: enable/disable the DMA MEs.
678 * Halt or unhalt the async dma engines (NAVI10).
680 static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable)
686 sdma_v5_0_gfx_stop(adev);
687 sdma_v5_0_rlc_stop(adev);
690 if (amdgpu_sriov_vf(adev))
693 for (i = 0; i < adev->sdma.num_instances; i++) {
694 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
695 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
696 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl);
701 * sdma_v5_0_gfx_resume - setup and start the async dma engines
703 * @adev: amdgpu_device pointer
705 * Set up the gfx DMA ring buffers and enable them (NAVI10).
706 * Returns 0 for success, error for failure.
708 static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev)
710 struct amdgpu_ring *ring;
711 u32 rb_cntl, ib_cntl;
720 for (i = 0; i < adev->sdma.num_instances; i++) {
721 ring = &adev->sdma.instance[i].ring;
723 if (!amdgpu_sriov_vf(adev))
724 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0);
726 /* Set ring buffer size in dwords */
727 rb_bufsz = order_base_2(ring->ring_size / 4);
728 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
729 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
731 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
732 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
733 RPTR_WRITEBACK_SWAP_ENABLE, 1);
735 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
737 /* Initialize the ring buffer's read and write pointers */
738 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0);
739 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0);
740 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0);
741 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0);
743 /* setup the wptr shadow polling */
744 wptr_gpu_addr = ring->wptr_gpu_addr;
745 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO),
746 lower_32_bits(wptr_gpu_addr));
747 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI),
748 upper_32_bits(wptr_gpu_addr));
749 wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
750 mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
751 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
752 SDMA0_GFX_RB_WPTR_POLL_CNTL,
754 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL),
757 /* set the wb address whether it's enabled or not */
758 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI),
759 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF);
760 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO),
761 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
763 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
765 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE),
766 ring->gpu_addr >> 8);
767 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI),
768 ring->gpu_addr >> 40);
772 /* before programing wptr to a less value, need set minor_ptr_update first */
773 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1);
775 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */
776 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR),
777 lower_32_bits(ring->wptr << 2));
778 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI),
779 upper_32_bits(ring->wptr << 2));
782 doorbell = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL));
783 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
784 mmSDMA0_GFX_DOORBELL_OFFSET));
786 if (ring->use_doorbell) {
787 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1);
788 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET,
789 OFFSET, ring->doorbell_index);
791 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0);
793 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell);
794 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET),
797 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell,
798 ring->doorbell_index, 20);
800 if (amdgpu_sriov_vf(adev))
801 sdma_v5_0_ring_set_wptr(ring);
803 /* set minor_ptr_update to 0 after wptr programed */
804 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0);
806 if (!amdgpu_sriov_vf(adev)) {
807 /* set utc l1 enable flag always to 1 */
808 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
809 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
812 temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1);
813 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp);
815 /* Set up RESP_MODE to non-copy addresses */
816 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL));
817 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3);
818 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9);
819 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp);
821 /* program default cache read and write policy */
822 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE));
823 /* clean read policy and write policy bits */
825 temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14));
826 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp);
829 if (!amdgpu_sriov_vf(adev)) {
831 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
832 temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
833 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp);
837 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
838 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
840 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
841 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
843 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
846 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
848 ring->sched.ready = true;
850 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */
851 sdma_v5_0_ctx_switch_enable(adev, true);
852 sdma_v5_0_enable(adev, true);
855 r = amdgpu_ring_test_helper(ring);
859 if (adev->mman.buffer_funcs_ring == ring)
860 amdgpu_ttm_set_buffer_funcs_status(adev, true);
867 * sdma_v5_0_rlc_resume - setup and start the async dma engines
869 * @adev: amdgpu_device pointer
871 * Set up the compute DMA queues and enable them (NAVI10).
872 * Returns 0 for success, error for failure.
874 static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev)
880 * sdma_v5_0_load_microcode - load the sDMA ME ucode
882 * @adev: amdgpu_device pointer
884 * Loads the sDMA0/1 ucode.
885 * Returns 0 for success, -EINVAL if the ucode is not available.
887 static int sdma_v5_0_load_microcode(struct amdgpu_device *adev)
889 const struct sdma_firmware_header_v1_0 *hdr;
890 const __le32 *fw_data;
895 sdma_v5_0_enable(adev, false);
897 for (i = 0; i < adev->sdma.num_instances; i++) {
898 if (!adev->sdma.instance[i].fw)
901 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
902 amdgpu_ucode_print_sdma_hdr(&hdr->header);
903 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
905 fw_data = (const __le32 *)
906 (adev->sdma.instance[i].fw->data +
907 le32_to_cpu(hdr->header.ucode_array_offset_bytes));
909 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0);
911 for (j = 0; j < fw_size; j++) {
912 if (amdgpu_emu_mode == 1 && j % 500 == 0)
914 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++));
917 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version);
924 * sdma_v5_0_start - setup and start the async dma engines
926 * @adev: amdgpu_device pointer
928 * Set up the DMA engines and enable them (NAVI10).
929 * Returns 0 for success, error for failure.
931 static int sdma_v5_0_start(struct amdgpu_device *adev)
935 if (amdgpu_sriov_vf(adev)) {
936 sdma_v5_0_ctx_switch_enable(adev, false);
937 sdma_v5_0_enable(adev, false);
939 /* set RB registers */
940 r = sdma_v5_0_gfx_resume(adev);
944 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
945 r = sdma_v5_0_load_microcode(adev);
951 sdma_v5_0_enable(adev, true);
952 /* enable sdma ring preemption */
953 sdma_v5_0_ctx_switch_enable(adev, true);
955 /* start the gfx rings and rlc compute queues */
956 r = sdma_v5_0_gfx_resume(adev);
959 r = sdma_v5_0_rlc_resume(adev);
964 static int sdma_v5_0_mqd_init(struct amdgpu_device *adev, void *mqd,
965 struct amdgpu_mqd_prop *prop)
967 struct v10_sdma_mqd *m = mqd;
968 uint64_t wb_gpu_addr;
970 m->sdmax_rlcx_rb_cntl =
971 order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
972 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
973 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT |
974 1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT;
976 m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8);
977 m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8);
979 m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
980 mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
982 wb_gpu_addr = prop->wptr_gpu_addr;
983 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr);
984 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr);
986 wb_gpu_addr = prop->rptr_gpu_addr;
987 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr);
988 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr);
990 m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
991 mmSDMA0_GFX_IB_CNTL));
993 m->sdmax_rlcx_doorbell_offset =
994 prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
996 m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1);
1001 static void sdma_v5_0_set_mqd_funcs(struct amdgpu_device *adev)
1003 adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd);
1004 adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_0_mqd_init;
1008 * sdma_v5_0_ring_test_ring - simple async dma engine test
1010 * @ring: amdgpu_ring structure holding ring information
1012 * Test the DMA engine by writing using it to write an
1013 * value to memory. (NAVI10).
1014 * Returns 0 for success, error for failure.
1016 static int sdma_v5_0_ring_test_ring(struct amdgpu_ring *ring)
1018 struct amdgpu_device *adev = ring->adev;
1024 volatile uint32_t *cpu_ptr = NULL;
1028 if (ring->is_mes_queue) {
1029 uint32_t offset = 0;
1030 offset = amdgpu_mes_ctx_get_offs(ring,
1031 AMDGPU_MES_CTX_PADDING_OFFS);
1032 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1033 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1036 r = amdgpu_device_wb_get(adev, &index);
1038 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r);
1042 gpu_addr = adev->wb.gpu_addr + (index * 4);
1043 adev->wb.wb[index] = cpu_to_le32(tmp);
1046 r = amdgpu_ring_alloc(ring, 20);
1048 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r);
1049 amdgpu_device_wb_free(adev, index);
1053 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1054 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1055 amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1056 amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1057 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1058 amdgpu_ring_write(ring, 0xDEADBEEF);
1059 amdgpu_ring_commit(ring);
1061 for (i = 0; i < adev->usec_timeout; i++) {
1062 if (ring->is_mes_queue)
1063 tmp = le32_to_cpu(*cpu_ptr);
1065 tmp = le32_to_cpu(adev->wb.wb[index]);
1066 if (tmp == 0xDEADBEEF)
1068 if (amdgpu_emu_mode == 1)
1074 if (i >= adev->usec_timeout)
1077 if (!ring->is_mes_queue)
1078 amdgpu_device_wb_free(adev, index);
1084 * sdma_v5_0_ring_test_ib - test an IB on the DMA engine
1086 * @ring: amdgpu_ring structure holding ring information
1087 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1089 * Test a simple IB in the DMA ring (NAVI10).
1090 * Returns 0 on success, error on failure.
1092 static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1094 struct amdgpu_device *adev = ring->adev;
1095 struct amdgpu_ib ib;
1096 struct dma_fence *f = NULL;
1101 volatile uint32_t *cpu_ptr = NULL;
1104 memset(&ib, 0, sizeof(ib));
1106 if (ring->is_mes_queue) {
1107 uint32_t offset = 0;
1108 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS);
1109 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1110 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1112 offset = amdgpu_mes_ctx_get_offs(ring,
1113 AMDGPU_MES_CTX_PADDING_OFFS);
1114 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1115 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1118 r = amdgpu_device_wb_get(adev, &index);
1120 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r);
1124 gpu_addr = adev->wb.gpu_addr + (index * 4);
1125 adev->wb.wb[index] = cpu_to_le32(tmp);
1127 r = amdgpu_ib_get(adev, NULL, 256,
1128 AMDGPU_IB_POOL_DIRECT, &ib);
1130 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
1135 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1136 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1137 ib.ptr[1] = lower_32_bits(gpu_addr);
1138 ib.ptr[2] = upper_32_bits(gpu_addr);
1139 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1140 ib.ptr[4] = 0xDEADBEEF;
1141 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1142 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1143 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1146 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1150 r = dma_fence_wait_timeout(f, false, timeout);
1152 DRM_ERROR("amdgpu: IB test timed out\n");
1156 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
1160 if (ring->is_mes_queue)
1161 tmp = le32_to_cpu(*cpu_ptr);
1163 tmp = le32_to_cpu(adev->wb.wb[index]);
1165 if (tmp == 0xDEADBEEF)
1171 amdgpu_ib_free(adev, &ib, NULL);
1174 if (!ring->is_mes_queue)
1175 amdgpu_device_wb_free(adev, index);
1181 * sdma_v5_0_vm_copy_pte - update PTEs by copying them from the GART
1183 * @ib: indirect buffer to fill with commands
1184 * @pe: addr of the page entry
1185 * @src: src addr to copy from
1186 * @count: number of page entries to update
1188 * Update PTEs by copying them from the GART using sDMA (NAVI10).
1190 static void sdma_v5_0_vm_copy_pte(struct amdgpu_ib *ib,
1191 uint64_t pe, uint64_t src,
1194 unsigned bytes = count * 8;
1196 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1197 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1198 ib->ptr[ib->length_dw++] = bytes - 1;
1199 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1200 ib->ptr[ib->length_dw++] = lower_32_bits(src);
1201 ib->ptr[ib->length_dw++] = upper_32_bits(src);
1202 ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1203 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1208 * sdma_v5_0_vm_write_pte - update PTEs by writing them manually
1210 * @ib: indirect buffer to fill with commands
1211 * @pe: addr of the page entry
1212 * @value: dst addr to write into pe
1213 * @count: number of page entries to update
1214 * @incr: increase next addr by incr bytes
1216 * Update PTEs by writing them manually using sDMA (NAVI10).
1218 static void sdma_v5_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1219 uint64_t value, unsigned count,
1222 unsigned ndw = count * 2;
1224 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1225 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1226 ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1227 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1228 ib->ptr[ib->length_dw++] = ndw - 1;
1229 for (; ndw > 0; ndw -= 2) {
1230 ib->ptr[ib->length_dw++] = lower_32_bits(value);
1231 ib->ptr[ib->length_dw++] = upper_32_bits(value);
1237 * sdma_v5_0_vm_set_pte_pde - update the page tables using sDMA
1239 * @ib: indirect buffer to fill with commands
1240 * @pe: addr of the page entry
1241 * @addr: dst addr to write into pe
1242 * @count: number of page entries to update
1243 * @incr: increase next addr by incr bytes
1244 * @flags: access flags
1246 * Update the page tables using sDMA (NAVI10).
1248 static void sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib *ib,
1250 uint64_t addr, unsigned count,
1251 uint32_t incr, uint64_t flags)
1253 /* for physically contiguous pages (vram) */
1254 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1255 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1256 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1257 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1258 ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1259 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1260 ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1261 ib->ptr[ib->length_dw++] = incr; /* increment size */
1262 ib->ptr[ib->length_dw++] = 0;
1263 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1267 * sdma_v5_0_ring_pad_ib - pad the IB
1268 * @ring: amdgpu_ring structure holding ring information
1269 * @ib: indirect buffer to fill with padding
1271 * Pad the IB with NOPs to a boundary multiple of 8.
1273 static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1275 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1279 pad_count = (-ib->length_dw) & 0x7;
1280 for (i = 0; i < pad_count; i++)
1281 if (sdma && sdma->burst_nop && (i == 0))
1282 ib->ptr[ib->length_dw++] =
1283 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1284 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1286 ib->ptr[ib->length_dw++] =
1287 SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1292 * sdma_v5_0_ring_emit_pipeline_sync - sync the pipeline
1294 * @ring: amdgpu_ring pointer
1296 * Make sure all previous operations are completed (CIK).
1298 static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1300 uint32_t seq = ring->fence_drv.sync_seq;
1301 uint64_t addr = ring->fence_drv.gpu_addr;
1304 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1305 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1306 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */
1307 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1));
1308 amdgpu_ring_write(ring, addr & 0xfffffffc);
1309 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
1310 amdgpu_ring_write(ring, seq); /* reference */
1311 amdgpu_ring_write(ring, 0xffffffff); /* mask */
1312 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1313 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
1318 * sdma_v5_0_ring_emit_vm_flush - vm flush using sDMA
1320 * @ring: amdgpu_ring pointer
1321 * @vmid: vmid number to use
1324 * Update the page table base and flush the VM TLB
1325 * using sDMA (NAVI10).
1327 static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1328 unsigned vmid, uint64_t pd_addr)
1330 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1333 static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring,
1334 uint32_t reg, uint32_t val)
1336 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1337 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1338 amdgpu_ring_write(ring, reg);
1339 amdgpu_ring_write(ring, val);
1342 static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1343 uint32_t val, uint32_t mask)
1345 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1346 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1347 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */
1348 amdgpu_ring_write(ring, reg << 2);
1349 amdgpu_ring_write(ring, 0);
1350 amdgpu_ring_write(ring, val); /* reference */
1351 amdgpu_ring_write(ring, mask); /* mask */
1352 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1353 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10));
1356 static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
1357 uint32_t reg0, uint32_t reg1,
1358 uint32_t ref, uint32_t mask)
1360 amdgpu_ring_emit_wreg(ring, reg0, ref);
1361 /* wait for a cycle to reset vm_inv_eng*_ack */
1362 amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0);
1363 amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);
1366 static int sdma_v5_0_early_init(void *handle)
1368 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1370 sdma_v5_0_set_ring_funcs(adev);
1371 sdma_v5_0_set_buffer_funcs(adev);
1372 sdma_v5_0_set_vm_pte_funcs(adev);
1373 sdma_v5_0_set_irq_funcs(adev);
1374 sdma_v5_0_set_mqd_funcs(adev);
1380 static int sdma_v5_0_sw_init(void *handle)
1382 struct amdgpu_ring *ring;
1384 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1386 /* SDMA trap event */
1387 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0,
1388 SDMA0_5_0__SRCID__SDMA_TRAP,
1389 &adev->sdma.trap_irq);
1393 /* SDMA trap event */
1394 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1,
1395 SDMA1_5_0__SRCID__SDMA_TRAP,
1396 &adev->sdma.trap_irq);
1400 r = sdma_v5_0_init_microcode(adev);
1402 DRM_ERROR("Failed to load sdma firmware!\n");
1406 for (i = 0; i < adev->sdma.num_instances; i++) {
1407 ring = &adev->sdma.instance[i].ring;
1408 ring->ring_obj = NULL;
1409 ring->use_doorbell = true;
1411 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
1412 ring->use_doorbell?"true":"false");
1414 ring->doorbell_index = (i == 0) ?
1415 (adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset
1416 : (adev->doorbell_index.sdma_engine[1] << 1); // get DWORD offset
1418 sprintf(ring->name, "sdma%d", i);
1419 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1420 (i == 0) ? AMDGPU_SDMA_IRQ_INSTANCE0 :
1421 AMDGPU_SDMA_IRQ_INSTANCE1,
1422 AMDGPU_RING_PRIO_DEFAULT, NULL);
1430 static int sdma_v5_0_sw_fini(void *handle)
1432 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1435 for (i = 0; i < adev->sdma.num_instances; i++) {
1436 release_firmware(adev->sdma.instance[i].fw);
1437 adev->sdma.instance[i].fw = NULL;
1439 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1445 static int sdma_v5_0_hw_init(void *handle)
1448 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1450 sdma_v5_0_init_golden_registers(adev);
1452 r = sdma_v5_0_start(adev);
1457 static int sdma_v5_0_hw_fini(void *handle)
1459 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1461 if (amdgpu_sriov_vf(adev))
1464 sdma_v5_0_ctx_switch_enable(adev, false);
1465 sdma_v5_0_enable(adev, false);
1470 static int sdma_v5_0_suspend(void *handle)
1472 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1474 return sdma_v5_0_hw_fini(adev);
1477 static int sdma_v5_0_resume(void *handle)
1479 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1481 return sdma_v5_0_hw_init(adev);
1484 static bool sdma_v5_0_is_idle(void *handle)
1486 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1489 for (i = 0; i < adev->sdma.num_instances; i++) {
1490 u32 tmp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG));
1492 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
1499 static int sdma_v5_0_wait_for_idle(void *handle)
1503 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1505 for (i = 0; i < adev->usec_timeout; i++) {
1506 sdma0 = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG));
1507 sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG));
1509 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
1516 static int sdma_v5_0_soft_reset(void *handle)
1523 static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring)
1526 struct amdgpu_device *adev = ring->adev;
1528 u64 sdma_gfx_preempt;
1530 amdgpu_sdma_get_index_from_ring(ring, &index);
1532 sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT;
1534 sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT;
1536 /* assert preemption condition */
1537 amdgpu_ring_set_preempt_cond_exec(ring, false);
1539 /* emit the trailing fence */
1540 ring->trail_seq += 1;
1541 amdgpu_ring_alloc(ring, 10);
1542 sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr,
1543 ring->trail_seq, 0);
1544 amdgpu_ring_commit(ring);
1546 /* assert IB preemption */
1547 WREG32(sdma_gfx_preempt, 1);
1549 /* poll the trailing fence */
1550 for (i = 0; i < adev->usec_timeout; i++) {
1551 if (ring->trail_seq ==
1552 le32_to_cpu(*(ring->trail_fence_cpu_addr)))
1557 if (i >= adev->usec_timeout) {
1559 DRM_ERROR("ring %d failed to be preempted\n", ring->idx);
1562 /* deassert IB preemption */
1563 WREG32(sdma_gfx_preempt, 0);
1565 /* deassert the preemption condition */
1566 amdgpu_ring_set_preempt_cond_exec(ring, true);
1570 static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev,
1571 struct amdgpu_irq_src *source,
1573 enum amdgpu_interrupt_state state)
1577 if (!amdgpu_sriov_vf(adev)) {
1578 u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ?
1579 sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) :
1580 sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL);
1582 sdma_cntl = RREG32(reg_offset);
1583 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
1584 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1585 WREG32(reg_offset, sdma_cntl);
1591 static int sdma_v5_0_process_trap_irq(struct amdgpu_device *adev,
1592 struct amdgpu_irq_src *source,
1593 struct amdgpu_iv_entry *entry)
1595 uint32_t mes_queue_id = entry->src_data[0];
1597 DRM_DEBUG("IH: SDMA trap\n");
1599 if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) {
1600 struct amdgpu_mes_queue *queue;
1602 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK;
1604 spin_lock(&adev->mes.queue_id_lock);
1605 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id);
1607 DRM_DEBUG("process smda queue id = %d\n", mes_queue_id);
1608 amdgpu_fence_process(queue->ring);
1610 spin_unlock(&adev->mes.queue_id_lock);
1614 switch (entry->client_id) {
1615 case SOC15_IH_CLIENTID_SDMA0:
1616 switch (entry->ring_id) {
1618 amdgpu_fence_process(&adev->sdma.instance[0].ring);
1631 case SOC15_IH_CLIENTID_SDMA1:
1632 switch (entry->ring_id) {
1634 amdgpu_fence_process(&adev->sdma.instance[1].ring);
1651 static int sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev,
1652 struct amdgpu_irq_src *source,
1653 struct amdgpu_iv_entry *entry)
1658 static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
1664 for (i = 0; i < adev->sdma.num_instances; i++) {
1665 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
1666 /* Enable sdma clock gating */
1667 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1668 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1669 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1670 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1671 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1672 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1673 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1674 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1675 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1677 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1679 /* Disable sdma clock gating */
1680 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1681 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1682 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1683 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1684 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1685 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1686 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1687 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1688 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1690 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1695 static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
1701 for (i = 0; i < adev->sdma.num_instances; i++) {
1702 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
1703 /* Enable sdma mem light sleep */
1704 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1705 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1707 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1710 /* Disable sdma mem light sleep */
1711 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1712 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1714 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1720 static int sdma_v5_0_set_clockgating_state(void *handle,
1721 enum amd_clockgating_state state)
1723 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1725 if (amdgpu_sriov_vf(adev))
1728 switch (adev->ip_versions[SDMA0_HWIP][0]) {
1729 case IP_VERSION(5, 0, 0):
1730 case IP_VERSION(5, 0, 2):
1731 case IP_VERSION(5, 0, 5):
1732 sdma_v5_0_update_medium_grain_clock_gating(adev,
1733 state == AMD_CG_STATE_GATE);
1734 sdma_v5_0_update_medium_grain_light_sleep(adev,
1735 state == AMD_CG_STATE_GATE);
1744 static int sdma_v5_0_set_powergating_state(void *handle,
1745 enum amd_powergating_state state)
1750 static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags)
1752 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1755 if (amdgpu_sriov_vf(adev))
1758 /* AMD_CG_SUPPORT_SDMA_MGCG */
1759 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL));
1760 if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
1761 *flags |= AMD_CG_SUPPORT_SDMA_MGCG;
1763 /* AMD_CG_SUPPORT_SDMA_LS */
1764 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL));
1765 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
1766 *flags |= AMD_CG_SUPPORT_SDMA_LS;
1769 const struct amd_ip_funcs sdma_v5_0_ip_funcs = {
1770 .name = "sdma_v5_0",
1771 .early_init = sdma_v5_0_early_init,
1773 .sw_init = sdma_v5_0_sw_init,
1774 .sw_fini = sdma_v5_0_sw_fini,
1775 .hw_init = sdma_v5_0_hw_init,
1776 .hw_fini = sdma_v5_0_hw_fini,
1777 .suspend = sdma_v5_0_suspend,
1778 .resume = sdma_v5_0_resume,
1779 .is_idle = sdma_v5_0_is_idle,
1780 .wait_for_idle = sdma_v5_0_wait_for_idle,
1781 .soft_reset = sdma_v5_0_soft_reset,
1782 .set_clockgating_state = sdma_v5_0_set_clockgating_state,
1783 .set_powergating_state = sdma_v5_0_set_powergating_state,
1784 .get_clockgating_state = sdma_v5_0_get_clockgating_state,
1787 static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
1788 .type = AMDGPU_RING_TYPE_SDMA,
1790 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1791 .support_64bit_ptrs = true,
1792 .secure_submission_supported = true,
1793 .vmhub = AMDGPU_GFXHUB_0,
1794 .get_rptr = sdma_v5_0_ring_get_rptr,
1795 .get_wptr = sdma_v5_0_ring_get_wptr,
1796 .set_wptr = sdma_v5_0_ring_set_wptr,
1798 5 + /* sdma_v5_0_ring_init_cond_exec */
1799 6 + /* sdma_v5_0_ring_emit_hdp_flush */
1800 3 + /* hdp_invalidate */
1801 6 + /* sdma_v5_0_ring_emit_pipeline_sync */
1802 /* sdma_v5_0_ring_emit_vm_flush */
1803 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1804 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 +
1805 10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */
1806 .emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */
1807 .emit_ib = sdma_v5_0_ring_emit_ib,
1808 .emit_mem_sync = sdma_v5_0_ring_emit_mem_sync,
1809 .emit_fence = sdma_v5_0_ring_emit_fence,
1810 .emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync,
1811 .emit_vm_flush = sdma_v5_0_ring_emit_vm_flush,
1812 .emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush,
1813 .test_ring = sdma_v5_0_ring_test_ring,
1814 .test_ib = sdma_v5_0_ring_test_ib,
1815 .insert_nop = sdma_v5_0_ring_insert_nop,
1816 .pad_ib = sdma_v5_0_ring_pad_ib,
1817 .emit_wreg = sdma_v5_0_ring_emit_wreg,
1818 .emit_reg_wait = sdma_v5_0_ring_emit_reg_wait,
1819 .emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait,
1820 .init_cond_exec = sdma_v5_0_ring_init_cond_exec,
1821 .patch_cond_exec = sdma_v5_0_ring_patch_cond_exec,
1822 .preempt_ib = sdma_v5_0_ring_preempt_ib,
1825 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev)
1829 for (i = 0; i < adev->sdma.num_instances; i++) {
1830 adev->sdma.instance[i].ring.funcs = &sdma_v5_0_ring_funcs;
1831 adev->sdma.instance[i].ring.me = i;
1835 static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = {
1836 .set = sdma_v5_0_set_trap_irq_state,
1837 .process = sdma_v5_0_process_trap_irq,
1840 static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = {
1841 .process = sdma_v5_0_process_illegal_inst_irq,
1844 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev)
1846 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 +
1847 adev->sdma.num_instances;
1848 adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs;
1849 adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs;
1853 * sdma_v5_0_emit_copy_buffer - copy buffer using the sDMA engine
1855 * @ib: indirect buffer to copy to
1856 * @src_offset: src GPU address
1857 * @dst_offset: dst GPU address
1858 * @byte_count: number of bytes to xfer
1859 * @tmz: if a secure copy should be used
1861 * Copy GPU buffers using the DMA engine (NAVI10).
1862 * Used by the amdgpu ttm implementation to move pages if
1863 * registered as the asic copy callback.
1865 static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib,
1866 uint64_t src_offset,
1867 uint64_t dst_offset,
1868 uint32_t byte_count,
1871 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1872 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
1873 SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0);
1874 ib->ptr[ib->length_dw++] = byte_count - 1;
1875 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1876 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
1877 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
1878 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1879 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1883 * sdma_v5_0_emit_fill_buffer - fill buffer using the sDMA engine
1885 * @ib: indirect buffer to fill
1886 * @src_data: value to write to buffer
1887 * @dst_offset: dst GPU address
1888 * @byte_count: number of bytes to xfer
1890 * Fill GPU buffers using the DMA engine (NAVI10).
1892 static void sdma_v5_0_emit_fill_buffer(struct amdgpu_ib *ib,
1894 uint64_t dst_offset,
1895 uint32_t byte_count)
1897 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
1898 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1899 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1900 ib->ptr[ib->length_dw++] = src_data;
1901 ib->ptr[ib->length_dw++] = byte_count - 1;
1904 static const struct amdgpu_buffer_funcs sdma_v5_0_buffer_funcs = {
1905 .copy_max_bytes = 0x400000,
1907 .emit_copy_buffer = sdma_v5_0_emit_copy_buffer,
1909 .fill_max_bytes = 0x400000,
1911 .emit_fill_buffer = sdma_v5_0_emit_fill_buffer,
1914 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev)
1916 if (adev->mman.buffer_funcs == NULL) {
1917 adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs;
1918 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
1922 static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = {
1923 .copy_pte_num_dw = 7,
1924 .copy_pte = sdma_v5_0_vm_copy_pte,
1925 .write_pte = sdma_v5_0_vm_write_pte,
1926 .set_pte_pde = sdma_v5_0_vm_set_pte_pde,
1929 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev)
1933 if (adev->vm_manager.vm_pte_funcs == NULL) {
1934 adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs;
1935 for (i = 0; i < adev->sdma.num_instances; i++) {
1936 adev->vm_manager.vm_pte_scheds[i] =
1937 &adev->sdma.instance[i].ring.sched;
1939 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
1943 const struct amdgpu_ip_block_version sdma_v5_0_ip_block = {
1944 .type = AMD_IP_BLOCK_TYPE_SDMA,
1948 .funcs = &sdma_v5_0_ip_funcs,