xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c (revision a2cce7a9)
1 /*
2  * Copyright 2013 Advanced Micro Devices, Inc.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sub license, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
16  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
17  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
18  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
20  *
21  * The above copyright notice and this permission notice (including the
22  * next paragraph) shall be included in all copies or substantial portions
23  * of the Software.
24  *
25  * Authors: Christian König <christian.koenig@amd.com>
26  */
27 
28 #include <linux/firmware.h>
29 #include <drm/drmP.h>
30 #include "amdgpu.h"
31 #include "amdgpu_vce.h"
32 #include "cikd.h"
33 
34 #include "vce/vce_2_0_d.h"
35 #include "vce/vce_2_0_sh_mask.h"
36 
37 #include "oss/oss_2_0_d.h"
38 #include "oss/oss_2_0_sh_mask.h"
39 
40 #define VCE_V2_0_FW_SIZE	(256 * 1024)
41 #define VCE_V2_0_STACK_SIZE	(64 * 1024)
42 #define VCE_V2_0_DATA_SIZE	(23552 * AMDGPU_MAX_VCE_HANDLES)
43 
44 static void vce_v2_0_mc_resume(struct amdgpu_device *adev);
45 static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev);
46 static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev);
47 
48 /**
49  * vce_v2_0_ring_get_rptr - get read pointer
50  *
51  * @ring: amdgpu_ring pointer
52  *
53  * Returns the current hardware read pointer
54  */
55 static uint32_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring)
56 {
57 	struct amdgpu_device *adev = ring->adev;
58 
59 	if (ring == &adev->vce.ring[0])
60 		return RREG32(mmVCE_RB_RPTR);
61 	else
62 		return RREG32(mmVCE_RB_RPTR2);
63 }
64 
65 /**
66  * vce_v2_0_ring_get_wptr - get write pointer
67  *
68  * @ring: amdgpu_ring pointer
69  *
70  * Returns the current hardware write pointer
71  */
72 static uint32_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring)
73 {
74 	struct amdgpu_device *adev = ring->adev;
75 
76 	if (ring == &adev->vce.ring[0])
77 		return RREG32(mmVCE_RB_WPTR);
78 	else
79 		return RREG32(mmVCE_RB_WPTR2);
80 }
81 
82 /**
83  * vce_v2_0_ring_set_wptr - set write pointer
84  *
85  * @ring: amdgpu_ring pointer
86  *
87  * Commits the write pointer to the hardware
88  */
89 static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring)
90 {
91 	struct amdgpu_device *adev = ring->adev;
92 
93 	if (ring == &adev->vce.ring[0])
94 		WREG32(mmVCE_RB_WPTR, ring->wptr);
95 	else
96 		WREG32(mmVCE_RB_WPTR2, ring->wptr);
97 }
98 
99 /**
100  * vce_v2_0_start - start VCE block
101  *
102  * @adev: amdgpu_device pointer
103  *
104  * Setup and start the VCE block
105  */
106 static int vce_v2_0_start(struct amdgpu_device *adev)
107 {
108 	struct amdgpu_ring *ring;
109 	int i, j, r;
110 
111 	vce_v2_0_mc_resume(adev);
112 
113 	/* set BUSY flag */
114 	WREG32_P(mmVCE_STATUS, 1, ~1);
115 
116 	ring = &adev->vce.ring[0];
117 	WREG32(mmVCE_RB_RPTR, ring->wptr);
118 	WREG32(mmVCE_RB_WPTR, ring->wptr);
119 	WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
120 	WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
121 	WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
122 
123 	ring = &adev->vce.ring[1];
124 	WREG32(mmVCE_RB_RPTR2, ring->wptr);
125 	WREG32(mmVCE_RB_WPTR2, ring->wptr);
126 	WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
127 	WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
128 	WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
129 
130 	WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, ~VCE_VCPU_CNTL__CLK_EN_MASK);
131 
132 	WREG32_P(mmVCE_SOFT_RESET,
133 		 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
134 		 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
135 
136 	mdelay(100);
137 
138 	WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
139 
140 	for (i = 0; i < 10; ++i) {
141 		uint32_t status;
142 		for (j = 0; j < 100; ++j) {
143 			status = RREG32(mmVCE_STATUS);
144 			if (status & 2)
145 				break;
146 			mdelay(10);
147 		}
148 		r = 0;
149 		if (status & 2)
150 			break;
151 
152 		DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
153 		WREG32_P(mmVCE_SOFT_RESET, VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
154 				~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
155 		mdelay(10);
156 		WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
157 		mdelay(10);
158 		r = -1;
159 	}
160 
161 	/* clear BUSY flag */
162 	WREG32_P(mmVCE_STATUS, 0, ~1);
163 
164 	if (r) {
165 		DRM_ERROR("VCE not responding, giving up!!!\n");
166 		return r;
167 	}
168 
169 	return 0;
170 }
171 
172 static int vce_v2_0_early_init(void *handle)
173 {
174 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
175 
176 	vce_v2_0_set_ring_funcs(adev);
177 	vce_v2_0_set_irq_funcs(adev);
178 
179 	return 0;
180 }
181 
182 static int vce_v2_0_sw_init(void *handle)
183 {
184 	struct amdgpu_ring *ring;
185 	int r;
186 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
187 
188 	/* VCE */
189 	r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
190 	if (r)
191 		return r;
192 
193 	r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE +
194 		VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE);
195 	if (r)
196 		return r;
197 
198 	r = amdgpu_vce_resume(adev);
199 	if (r)
200 		return r;
201 
202 	ring = &adev->vce.ring[0];
203 	sprintf(ring->name, "vce0");
204 	r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
205 			     &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
206 	if (r)
207 		return r;
208 
209 	ring = &adev->vce.ring[1];
210 	sprintf(ring->name, "vce1");
211 	r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
212 			     &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
213 	if (r)
214 		return r;
215 
216 	return r;
217 }
218 
219 static int vce_v2_0_sw_fini(void *handle)
220 {
221 	int r;
222 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
223 
224 	r = amdgpu_vce_suspend(adev);
225 	if (r)
226 		return r;
227 
228 	r = amdgpu_vce_sw_fini(adev);
229 	if (r)
230 		return r;
231 
232 	return r;
233 }
234 
235 static int vce_v2_0_hw_init(void *handle)
236 {
237 	struct amdgpu_ring *ring;
238 	int r;
239 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
240 
241 	r = vce_v2_0_start(adev);
242 	if (r)
243 		return r;
244 
245 	ring = &adev->vce.ring[0];
246 	ring->ready = true;
247 	r = amdgpu_ring_test_ring(ring);
248 	if (r) {
249 		ring->ready = false;
250 		return r;
251 	}
252 
253 	ring = &adev->vce.ring[1];
254 	ring->ready = true;
255 	r = amdgpu_ring_test_ring(ring);
256 	if (r) {
257 		ring->ready = false;
258 		return r;
259 	}
260 
261 	DRM_INFO("VCE initialized successfully.\n");
262 
263 	return 0;
264 }
265 
266 static int vce_v2_0_hw_fini(void *handle)
267 {
268 	return 0;
269 }
270 
271 static int vce_v2_0_suspend(void *handle)
272 {
273 	int r;
274 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
275 
276 	r = vce_v2_0_hw_fini(adev);
277 	if (r)
278 		return r;
279 
280 	r = amdgpu_vce_suspend(adev);
281 	if (r)
282 		return r;
283 
284 	return r;
285 }
286 
287 static int vce_v2_0_resume(void *handle)
288 {
289 	int r;
290 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
291 
292 	r = amdgpu_vce_resume(adev);
293 	if (r)
294 		return r;
295 
296 	r = vce_v2_0_hw_init(adev);
297 	if (r)
298 		return r;
299 
300 	return r;
301 }
302 
303 static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated)
304 {
305 	u32 tmp;
306 
307 	if (gated) {
308 		tmp = RREG32(mmVCE_CLOCK_GATING_B);
309 		tmp |= 0xe70000;
310 		WREG32(mmVCE_CLOCK_GATING_B, tmp);
311 
312 		tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
313 		tmp |= 0xff000000;
314 		WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
315 
316 		tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
317 		tmp &= ~0x3fc;
318 		WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
319 
320 		WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
321     } else {
322 		tmp = RREG32(mmVCE_CLOCK_GATING_B);
323 		tmp |= 0xe7;
324 		tmp &= ~0xe70000;
325 		WREG32(mmVCE_CLOCK_GATING_B, tmp);
326 
327 		tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
328 		tmp |= 0x1fe000;
329 		tmp &= ~0xff000000;
330 		WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
331 
332 		tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
333 		tmp |= 0x3fc;
334 		WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
335 	}
336 }
337 
338 static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated)
339 {
340 	u32 orig, tmp;
341 
342 	tmp = RREG32(mmVCE_CLOCK_GATING_B);
343 	tmp &= ~0x00060006;
344 	if (gated) {
345 		tmp |= 0xe10000;
346 	} else {
347 		tmp |= 0xe1;
348 		tmp &= ~0xe10000;
349 	}
350 	WREG32(mmVCE_CLOCK_GATING_B, tmp);
351 
352 	orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
353 	tmp &= ~0x1fe000;
354 	tmp &= ~0xff000000;
355 	if (tmp != orig)
356 		WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
357 
358 	orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
359 	tmp &= ~0x3fc;
360 	if (tmp != orig)
361 		WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
362 
363 	if (gated)
364 		WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
365 }
366 
367 static void vce_v2_0_disable_cg(struct amdgpu_device *adev)
368 {
369 	WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7);
370 }
371 
372 static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable)
373 {
374 	bool sw_cg = false;
375 
376 	if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG)) {
377 		if (sw_cg)
378 			vce_v2_0_set_sw_cg(adev, true);
379 		else
380 			vce_v2_0_set_dyn_cg(adev, true);
381 	} else {
382 		vce_v2_0_disable_cg(adev);
383 
384 		if (sw_cg)
385 			vce_v2_0_set_sw_cg(adev, false);
386 		else
387 			vce_v2_0_set_dyn_cg(adev, false);
388 	}
389 }
390 
391 static void vce_v2_0_init_cg(struct amdgpu_device *adev)
392 {
393 	u32 tmp;
394 
395 	tmp = RREG32(mmVCE_CLOCK_GATING_A);
396 	tmp &= ~0xfff;
397 	tmp |= ((0 << 0) | (4 << 4));
398 	tmp |= 0x40000;
399 	WREG32(mmVCE_CLOCK_GATING_A, tmp);
400 
401 	tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
402 	tmp &= ~0xfff;
403 	tmp |= ((0 << 0) | (4 << 4));
404 	WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
405 
406 	tmp = RREG32(mmVCE_CLOCK_GATING_B);
407 	tmp |= 0x10;
408 	tmp &= ~0x100000;
409 	WREG32(mmVCE_CLOCK_GATING_B, tmp);
410 }
411 
412 static void vce_v2_0_mc_resume(struct amdgpu_device *adev)
413 {
414 	uint64_t addr = adev->vce.gpu_addr;
415 	uint32_t size;
416 
417 	WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
418 	WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
419 	WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
420 	WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
421 
422 	WREG32(mmVCE_LMI_CTRL, 0x00398000);
423 	WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
424 	WREG32(mmVCE_LMI_SWAP_CNTL, 0);
425 	WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
426 	WREG32(mmVCE_LMI_VM_CTRL, 0);
427 
428 	addr += AMDGPU_VCE_FIRMWARE_OFFSET;
429 	size = VCE_V2_0_FW_SIZE;
430 	WREG32(mmVCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
431 	WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
432 
433 	addr += size;
434 	size = VCE_V2_0_STACK_SIZE;
435 	WREG32(mmVCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
436 	WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
437 
438 	addr += size;
439 	size = VCE_V2_0_DATA_SIZE;
440 	WREG32(mmVCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
441 	WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
442 
443 	WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
444 
445 	WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
446 		 ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
447 
448 	vce_v2_0_init_cg(adev);
449 }
450 
451 static bool vce_v2_0_is_idle(void *handle)
452 {
453 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
454 
455 	return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
456 }
457 
458 static int vce_v2_0_wait_for_idle(void *handle)
459 {
460 	unsigned i;
461 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
462 
463 	for (i = 0; i < adev->usec_timeout; i++) {
464 		if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK))
465 			return 0;
466 	}
467 	return -ETIMEDOUT;
468 }
469 
470 static int vce_v2_0_soft_reset(void *handle)
471 {
472 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
473 
474 	WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK,
475 			~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK);
476 	mdelay(5);
477 
478 	return vce_v2_0_start(adev);
479 }
480 
481 static void vce_v2_0_print_status(void *handle)
482 {
483 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
484 
485 	dev_info(adev->dev, "VCE 2.0 registers\n");
486 	dev_info(adev->dev, "  VCE_STATUS=0x%08X\n",
487 		 RREG32(mmVCE_STATUS));
488 	dev_info(adev->dev, "  VCE_VCPU_CNTL=0x%08X\n",
489 		 RREG32(mmVCE_VCPU_CNTL));
490 	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET0=0x%08X\n",
491 		 RREG32(mmVCE_VCPU_CACHE_OFFSET0));
492 	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE0=0x%08X\n",
493 		 RREG32(mmVCE_VCPU_CACHE_SIZE0));
494 	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET1=0x%08X\n",
495 		 RREG32(mmVCE_VCPU_CACHE_OFFSET1));
496 	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE1=0x%08X\n",
497 		 RREG32(mmVCE_VCPU_CACHE_SIZE1));
498 	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET2=0x%08X\n",
499 		 RREG32(mmVCE_VCPU_CACHE_OFFSET2));
500 	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE2=0x%08X\n",
501 		 RREG32(mmVCE_VCPU_CACHE_SIZE2));
502 	dev_info(adev->dev, "  VCE_SOFT_RESET=0x%08X\n",
503 		 RREG32(mmVCE_SOFT_RESET));
504 	dev_info(adev->dev, "  VCE_RB_BASE_LO2=0x%08X\n",
505 		 RREG32(mmVCE_RB_BASE_LO2));
506 	dev_info(adev->dev, "  VCE_RB_BASE_HI2=0x%08X\n",
507 		 RREG32(mmVCE_RB_BASE_HI2));
508 	dev_info(adev->dev, "  VCE_RB_SIZE2=0x%08X\n",
509 		 RREG32(mmVCE_RB_SIZE2));
510 	dev_info(adev->dev, "  VCE_RB_RPTR2=0x%08X\n",
511 		 RREG32(mmVCE_RB_RPTR2));
512 	dev_info(adev->dev, "  VCE_RB_WPTR2=0x%08X\n",
513 		 RREG32(mmVCE_RB_WPTR2));
514 	dev_info(adev->dev, "  VCE_RB_BASE_LO=0x%08X\n",
515 		 RREG32(mmVCE_RB_BASE_LO));
516 	dev_info(adev->dev, "  VCE_RB_BASE_HI=0x%08X\n",
517 		 RREG32(mmVCE_RB_BASE_HI));
518 	dev_info(adev->dev, "  VCE_RB_SIZE=0x%08X\n",
519 		 RREG32(mmVCE_RB_SIZE));
520 	dev_info(adev->dev, "  VCE_RB_RPTR=0x%08X\n",
521 		 RREG32(mmVCE_RB_RPTR));
522 	dev_info(adev->dev, "  VCE_RB_WPTR=0x%08X\n",
523 		 RREG32(mmVCE_RB_WPTR));
524 	dev_info(adev->dev, "  VCE_CLOCK_GATING_A=0x%08X\n",
525 		 RREG32(mmVCE_CLOCK_GATING_A));
526 	dev_info(adev->dev, "  VCE_CLOCK_GATING_B=0x%08X\n",
527 		 RREG32(mmVCE_CLOCK_GATING_B));
528 	dev_info(adev->dev, "  VCE_CGTT_CLK_OVERRIDE=0x%08X\n",
529 		 RREG32(mmVCE_CGTT_CLK_OVERRIDE));
530 	dev_info(adev->dev, "  VCE_UENC_CLOCK_GATING=0x%08X\n",
531 		 RREG32(mmVCE_UENC_CLOCK_GATING));
532 	dev_info(adev->dev, "  VCE_UENC_REG_CLOCK_GATING=0x%08X\n",
533 		 RREG32(mmVCE_UENC_REG_CLOCK_GATING));
534 	dev_info(adev->dev, "  VCE_SYS_INT_EN=0x%08X\n",
535 		 RREG32(mmVCE_SYS_INT_EN));
536 	dev_info(adev->dev, "  VCE_LMI_CTRL2=0x%08X\n",
537 		 RREG32(mmVCE_LMI_CTRL2));
538 	dev_info(adev->dev, "  VCE_LMI_CTRL=0x%08X\n",
539 		 RREG32(mmVCE_LMI_CTRL));
540 	dev_info(adev->dev, "  VCE_LMI_VM_CTRL=0x%08X\n",
541 		 RREG32(mmVCE_LMI_VM_CTRL));
542 	dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL=0x%08X\n",
543 		 RREG32(mmVCE_LMI_SWAP_CNTL));
544 	dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL1=0x%08X\n",
545 		 RREG32(mmVCE_LMI_SWAP_CNTL1));
546 	dev_info(adev->dev, "  VCE_LMI_CACHE_CTRL=0x%08X\n",
547 		 RREG32(mmVCE_LMI_CACHE_CTRL));
548 }
549 
550 static int vce_v2_0_set_interrupt_state(struct amdgpu_device *adev,
551 					struct amdgpu_irq_src *source,
552 					unsigned type,
553 					enum amdgpu_interrupt_state state)
554 {
555 	uint32_t val = 0;
556 
557 	if (state == AMDGPU_IRQ_STATE_ENABLE)
558 		val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
559 
560 	WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
561 	return 0;
562 }
563 
564 static int vce_v2_0_process_interrupt(struct amdgpu_device *adev,
565 				      struct amdgpu_irq_src *source,
566 				      struct amdgpu_iv_entry *entry)
567 {
568 	DRM_DEBUG("IH: VCE\n");
569 	switch (entry->src_data) {
570 	case 0:
571 		amdgpu_fence_process(&adev->vce.ring[0]);
572 		break;
573 	case 1:
574 		amdgpu_fence_process(&adev->vce.ring[1]);
575 		break;
576 	default:
577 		DRM_ERROR("Unhandled interrupt: %d %d\n",
578 			  entry->src_id, entry->src_data);
579 		break;
580 	}
581 
582 	return 0;
583 }
584 
585 static int vce_v2_0_set_clockgating_state(void *handle,
586 					  enum amd_clockgating_state state)
587 {
588 	bool gate = false;
589 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
590 
591 	if (state == AMD_CG_STATE_GATE)
592 		gate = true;
593 
594 	vce_v2_0_enable_mgcg(adev, gate);
595 
596 	return 0;
597 }
598 
599 static int vce_v2_0_set_powergating_state(void *handle,
600 					  enum amd_powergating_state state)
601 {
602 	/* This doesn't actually powergate the VCE block.
603 	 * That's done in the dpm code via the SMC.  This
604 	 * just re-inits the block as necessary.  The actual
605 	 * gating still happens in the dpm code.  We should
606 	 * revisit this when there is a cleaner line between
607 	 * the smc and the hw blocks
608 	 */
609 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
610 
611 	if (state == AMD_PG_STATE_GATE)
612 		/* XXX do we need a vce_v2_0_stop()? */
613 		return 0;
614 	else
615 		return vce_v2_0_start(adev);
616 }
617 
618 const struct amd_ip_funcs vce_v2_0_ip_funcs = {
619 	.early_init = vce_v2_0_early_init,
620 	.late_init = NULL,
621 	.sw_init = vce_v2_0_sw_init,
622 	.sw_fini = vce_v2_0_sw_fini,
623 	.hw_init = vce_v2_0_hw_init,
624 	.hw_fini = vce_v2_0_hw_fini,
625 	.suspend = vce_v2_0_suspend,
626 	.resume = vce_v2_0_resume,
627 	.is_idle = vce_v2_0_is_idle,
628 	.wait_for_idle = vce_v2_0_wait_for_idle,
629 	.soft_reset = vce_v2_0_soft_reset,
630 	.print_status = vce_v2_0_print_status,
631 	.set_clockgating_state = vce_v2_0_set_clockgating_state,
632 	.set_powergating_state = vce_v2_0_set_powergating_state,
633 };
634 
635 static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
636 	.get_rptr = vce_v2_0_ring_get_rptr,
637 	.get_wptr = vce_v2_0_ring_get_wptr,
638 	.set_wptr = vce_v2_0_ring_set_wptr,
639 	.parse_cs = amdgpu_vce_ring_parse_cs,
640 	.emit_ib = amdgpu_vce_ring_emit_ib,
641 	.emit_fence = amdgpu_vce_ring_emit_fence,
642 	.emit_semaphore = amdgpu_vce_ring_emit_semaphore,
643 	.test_ring = amdgpu_vce_ring_test_ring,
644 	.test_ib = amdgpu_vce_ring_test_ib,
645 	.is_lockup = amdgpu_ring_test_lockup,
646 	.insert_nop = amdgpu_ring_insert_nop,
647 };
648 
649 static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev)
650 {
651 	adev->vce.ring[0].funcs = &vce_v2_0_ring_funcs;
652 	adev->vce.ring[1].funcs = &vce_v2_0_ring_funcs;
653 }
654 
655 static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = {
656 	.set = vce_v2_0_set_interrupt_state,
657 	.process = vce_v2_0_process_interrupt,
658 };
659 
660 static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev)
661 {
662 	adev->vce.irq.num_types = 1;
663 	adev->vce.irq.funcs = &vce_v2_0_irq_funcs;
664 };
665