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Merge tag 'for-6.8-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[linux.git] / drivers / gpu / drm / amd / amdgpu / vpe_v6_1.c
1 /*
2  * Copyright 2022 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
23 #include <linux/firmware.h>
24 #include <drm/drm_drv.h>
25
26 #include "amdgpu.h"
27 #include "amdgpu_ucode.h"
28 #include "amdgpu_vpe.h"
29 #include "vpe_v6_1.h"
30 #include "soc15_common.h"
31 #include "ivsrcid/vpe/irqsrcs_vpe_6_1.h"
32 #include "vpe/vpe_6_1_0_offset.h"
33 #include "vpe/vpe_6_1_0_sh_mask.h"
34
35 MODULE_FIRMWARE("amdgpu/vpe_6_1_0.bin");
36
37 #define VPE_THREAD1_UCODE_OFFSET        0x8000
38
39 static uint32_t vpe_v6_1_get_reg_offset(struct amdgpu_vpe *vpe, uint32_t inst, uint32_t offset)
40 {
41         uint32_t base;
42
43         base = vpe->ring.adev->reg_offset[VPE_HWIP][0][0];
44
45         return base + offset;
46 }
47
48 static void vpe_v6_1_halt(struct amdgpu_vpe *vpe, bool halt)
49 {
50         struct amdgpu_device *adev = vpe->ring.adev;
51         uint32_t f32_cntl;
52
53         f32_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_F32_CNTL));
54         f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, HALT, halt ? 1 : 0);
55         f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, TH1_RESET, halt ? 1 : 0);
56         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_F32_CNTL), f32_cntl);
57 }
58
59 static int vpe_v6_1_irq_init(struct amdgpu_vpe *vpe)
60 {
61         struct amdgpu_device *adev = container_of(vpe, struct amdgpu_device, vpe);
62         int ret;
63
64         ret = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_VPE,
65                                 VPE_6_1_SRCID__VPE_TRAP,
66                                 &adev->vpe.trap_irq);
67         if (ret)
68                 return ret;
69
70         return 0;
71 }
72
73 static int vpe_v6_1_load_microcode(struct amdgpu_vpe *vpe)
74 {
75         struct amdgpu_device *adev = vpe->ring.adev;
76         const struct vpe_firmware_header_v1_0 *vpe_hdr;
77         const __le32 *data;
78         uint32_t ucode_offset[2], ucode_size[2];
79         uint32_t i, size_dw;
80         uint32_t ret;
81
82         // disable UMSCH_INT_ENABLE
83         ret = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL));
84         ret = REG_SET_FIELD(ret, VPEC_CNTL, UMSCH_INT_ENABLE, 0);
85         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL), ret);
86
87         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
88                 uint32_t f32_offset, f32_cntl;
89
90                 f32_offset = vpe_get_reg_offset(vpe, 0, regVPEC_F32_CNTL);
91                 f32_cntl = RREG32(f32_offset);
92                 f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, HALT, 0);
93                 f32_cntl = REG_SET_FIELD(f32_cntl, VPEC_F32_CNTL, TH1_RESET, 0);
94
95                 adev->vpe.cmdbuf_cpu_addr[0] = f32_offset;
96                 adev->vpe.cmdbuf_cpu_addr[1] = f32_cntl;
97
98                 amdgpu_vpe_psp_update_sram(adev);
99
100                 /* Config DPM */
101                 amdgpu_vpe_configure_dpm(vpe);
102
103                 return 0;
104         }
105
106         vpe_hdr = (const struct vpe_firmware_header_v1_0 *)adev->vpe.fw->data;
107
108         /* Thread 0(command thread) ucode offset/size */
109         ucode_offset[0] = le32_to_cpu(vpe_hdr->header.ucode_array_offset_bytes);
110         ucode_size[0] = le32_to_cpu(vpe_hdr->ctx_ucode_size_bytes);
111         /* Thread 1(control thread) ucode offset/size */
112         ucode_offset[1] = le32_to_cpu(vpe_hdr->ctl_ucode_offset);
113         ucode_size[1] = le32_to_cpu(vpe_hdr->ctl_ucode_size_bytes);
114
115         vpe_v6_1_halt(vpe, true);
116
117         for (i = 0; i < 2; i++) {
118                 if (i > 0)
119                         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_UCODE_ADDR), VPE_THREAD1_UCODE_OFFSET);
120                 else
121                         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_UCODE_ADDR), 0);
122
123                 data = (const __le32 *)(adev->vpe.fw->data + ucode_offset[i]);
124                 size_dw = ucode_size[i] / sizeof(__le32);
125
126                 while (size_dw--) {
127                         if (amdgpu_emu_mode && size_dw % 500 == 0)
128                                 msleep(1);
129                         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_UCODE_DATA), le32_to_cpup(data++));
130                 }
131
132         }
133
134         vpe_v6_1_halt(vpe, false);
135         /* Config DPM */
136         amdgpu_vpe_configure_dpm(vpe);
137
138         return 0;
139 }
140
141 static int vpe_v6_1_ring_start(struct amdgpu_vpe *vpe)
142 {
143         struct amdgpu_ring *ring = &vpe->ring;
144         struct amdgpu_device *adev = ring->adev;
145         uint32_t rb_bufsz, rb_cntl;
146         uint32_t ib_cntl;
147         uint32_t doorbell, doorbell_offset;
148         int ret;
149
150         rb_bufsz = order_base_2(ring->ring_size / 4);
151         rb_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_CNTL));
152         rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_SIZE, rb_bufsz);
153         rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_PRIV, 1);
154         rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_VMID, 0);
155         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_CNTL), rb_cntl);
156
157         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_RPTR), 0);
158         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_RPTR_HI), 0);
159         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_WPTR), 0);
160         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_WPTR_HI), 0);
161
162         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_RPTR_ADDR_LO),
163                lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
164         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_RPTR_ADDR_HI),
165                upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF);
166
167         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_BASE), ring->gpu_addr >> 8);
168         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_BASE_HI), ring->gpu_addr >> 40);
169
170         ring->wptr = 0;
171
172         /* before programing wptr to a less value, need set minor_ptr_update first */
173         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_MINOR_PTR_UPDATE), 1);
174
175         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_WPTR), lower_32_bits(ring->wptr) << 2);
176         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2);
177
178         /* set minor_ptr_update to 0 after wptr programed */
179         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_MINOR_PTR_UPDATE), 0);
180
181         doorbell = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_DOORBELL));
182         doorbell_offset = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_DOORBELL_OFFSET));
183
184         doorbell = REG_SET_FIELD(doorbell, VPEC_QUEUE0_DOORBELL, ENABLE, ring->use_doorbell ? 1 : 0);
185         doorbell_offset = REG_SET_FIELD(doorbell_offset, VPEC_QUEUE0_DOORBELL_OFFSET, OFFSET, ring->doorbell_index);
186
187         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_DOORBELL), doorbell);
188         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_DOORBELL_OFFSET), doorbell_offset);
189
190         adev->nbio.funcs->vpe_doorbell_range(adev, 0, ring->use_doorbell, ring->doorbell_index, 2);
191
192         rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
193         rb_cntl = REG_SET_FIELD(rb_cntl, VPEC_QUEUE0_RB_CNTL, RB_ENABLE, 1);
194         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_RB_CNTL), rb_cntl);
195
196         ib_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_IB_CNTL));
197         ib_cntl = REG_SET_FIELD(ib_cntl, VPEC_QUEUE0_IB_CNTL, IB_ENABLE, 1);
198         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE0_IB_CNTL), ib_cntl);
199
200         ring->sched.ready = true;
201
202         ret = amdgpu_ring_test_helper(ring);
203         if (ret) {
204                 ring->sched.ready = false;
205                 return ret;
206         }
207
208         return 0;
209 }
210
211 static int vpe_v_6_1_ring_stop(struct amdgpu_vpe *vpe)
212 {
213         struct amdgpu_device *adev = vpe->ring.adev;
214         uint32_t queue_reset;
215         int ret;
216
217         queue_reset = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE_RESET_REQ));
218         queue_reset = REG_SET_FIELD(queue_reset, VPEC_QUEUE_RESET_REQ, QUEUE0_RESET, 1);
219         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_QUEUE_RESET_REQ), queue_reset);
220
221         ret = SOC15_WAIT_ON_RREG(VPE, 0, regVPEC_QUEUE_RESET_REQ, 0,
222                                  VPEC_QUEUE_RESET_REQ__QUEUE0_RESET_MASK);
223         if (ret)
224                 dev_err(adev->dev, "VPE queue reset failed\n");
225
226         vpe->ring.sched.ready = false;
227
228         return ret;
229 }
230
231 static int vpe_v6_1_set_trap_irq_state(struct amdgpu_device *adev,
232                                        struct amdgpu_irq_src *source,
233                                        unsigned int type,
234                                        enum amdgpu_interrupt_state state)
235 {
236         struct amdgpu_vpe *vpe = &adev->vpe;
237         uint32_t vpe_cntl;
238
239         vpe_cntl = RREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL));
240         vpe_cntl = REG_SET_FIELD(vpe_cntl, VPEC_CNTL, TRAP_ENABLE,
241                                  state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
242         WREG32(vpe_get_reg_offset(vpe, 0, regVPEC_CNTL), vpe_cntl);
243
244         return 0;
245 }
246
247 static int vpe_v6_1_process_trap_irq(struct amdgpu_device *adev,
248                                      struct amdgpu_irq_src *source,
249                                      struct amdgpu_iv_entry *entry)
250 {
251
252         dev_dbg(adev->dev, "IH: VPE trap\n");
253
254         switch (entry->client_id) {
255         case SOC21_IH_CLIENTID_VPE:
256                 amdgpu_fence_process(&adev->vpe.ring);
257                 break;
258         default:
259                 break;
260         }
261
262         return 0;
263 }
264
265 static int vpe_v6_1_set_regs(struct amdgpu_vpe *vpe)
266 {
267         vpe->regs.queue0_rb_rptr_lo = regVPEC_QUEUE0_RB_RPTR;
268         vpe->regs.queue0_rb_rptr_hi = regVPEC_QUEUE0_RB_RPTR_HI;
269         vpe->regs.queue0_rb_wptr_lo = regVPEC_QUEUE0_RB_WPTR;
270         vpe->regs.queue0_rb_wptr_hi = regVPEC_QUEUE0_RB_WPTR_HI;
271         vpe->regs.queue0_preempt = regVPEC_QUEUE0_PREEMPT;
272
273         vpe->regs.dpm_enable = regVPEC_PUB_DUMMY2;
274         vpe->regs.dpm_pratio = regVPEC_QUEUE6_DUMMY4;
275         vpe->regs.dpm_request_interval = regVPEC_QUEUE5_DUMMY3;
276         vpe->regs.dpm_decision_threshold = regVPEC_QUEUE5_DUMMY4;
277         vpe->regs.dpm_busy_clamp_threshold = regVPEC_QUEUE7_DUMMY2;
278         vpe->regs.dpm_idle_clamp_threshold = regVPEC_QUEUE7_DUMMY3;
279         vpe->regs.dpm_request_lv = regVPEC_QUEUE7_DUMMY1;
280         vpe->regs.context_indicator = regVPEC_QUEUE6_DUMMY3;
281
282         return 0;
283 }
284
285 static const struct vpe_funcs vpe_v6_1_funcs = {
286         .get_reg_offset = vpe_v6_1_get_reg_offset,
287         .set_regs = vpe_v6_1_set_regs,
288         .irq_init = vpe_v6_1_irq_init,
289         .init_microcode = amdgpu_vpe_init_microcode,
290         .load_microcode = vpe_v6_1_load_microcode,
291         .ring_init = amdgpu_vpe_ring_init,
292         .ring_start = vpe_v6_1_ring_start,
293         .ring_stop = vpe_v_6_1_ring_stop,
294         .ring_fini = amdgpu_vpe_ring_fini,
295 };
296
297 static const struct amdgpu_irq_src_funcs vpe_v6_1_trap_irq_funcs = {
298         .set = vpe_v6_1_set_trap_irq_state,
299         .process = vpe_v6_1_process_trap_irq,
300 };
301
302 void vpe_v6_1_set_funcs(struct amdgpu_vpe *vpe)
303 {
304         vpe->funcs = &vpe_v6_1_funcs;
305         vpe->trap_irq.funcs = &vpe_v6_1_trap_irq_funcs;
306 }
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