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-rw-r--r--drivers/gpu/drm/amd/include/kgd_kfd_interface.h185
-rw-r--r--drivers/gpu/drm/radeon/Makefile1
-rw-r--r--drivers/gpu/drm/radeon/cik.c10
-rw-r--r--drivers/gpu/drm/radeon/cik_reg.h136
-rw-r--r--drivers/gpu/drm/radeon/cikd.h51
-rw-r--r--drivers/gpu/drm/radeon/radeon.h4
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_kfd.c563
-rw-r--r--drivers/gpu/drm/radeon/radeon_kfd.h47
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c7
10 files changed, 1008 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
new file mode 100644
index 000000000000..9c729dd8dd50
--- /dev/null
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -0,0 +1,185 @@
1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23/*
24 * This file defines the private interface between the
25 * AMD kernel graphics drivers and the AMD KFD.
26 */
27
28#ifndef KGD_KFD_INTERFACE_H_INCLUDED
29#define KGD_KFD_INTERFACE_H_INCLUDED
30
31#include <linux/types.h>
32
33struct pci_dev;
34
35#define KFD_INTERFACE_VERSION 1
36
37struct kfd_dev;
38struct kgd_dev;
39
40struct kgd_mem;
41
42enum kgd_memory_pool {
43 KGD_POOL_SYSTEM_CACHEABLE = 1,
44 KGD_POOL_SYSTEM_WRITECOMBINE = 2,
45 KGD_POOL_FRAMEBUFFER = 3,
46};
47
48struct kgd2kfd_shared_resources {
49 /* Bit n == 1 means VMID n is available for KFD. */
50 unsigned int compute_vmid_bitmap;
51
52 /* Compute pipes are counted starting from MEC0/pipe0 as 0. */
53 unsigned int first_compute_pipe;
54
55 /* Number of MEC pipes available for KFD. */
56 unsigned int compute_pipe_count;
57
58 /* Base address of doorbell aperture. */
59 phys_addr_t doorbell_physical_address;
60
61 /* Size in bytes of doorbell aperture. */
62 size_t doorbell_aperture_size;
63
64 /* Number of bytes at start of aperture reserved for KGD. */
65 size_t doorbell_start_offset;
66};
67
68/**
69 * struct kgd2kfd_calls
70 *
71 * @exit: Notifies amdkfd that kgd module is unloaded
72 *
73 * @probe: Notifies amdkfd about a probe done on a device in the kgd driver.
74 *
75 * @device_init: Initialize the newly probed device (if it is a device that
76 * amdkfd supports)
77 *
78 * @device_exit: Notifies amdkfd about a removal of a kgd device
79 *
80 * @suspend: Notifies amdkfd about a suspend action done to a kgd device
81 *
82 * @resume: Notifies amdkfd about a resume action done to a kgd device
83 *
84 * This structure contains function callback pointers so the kgd driver
85 * will notify to the amdkfd about certain status changes.
86 *
87 */
88struct kgd2kfd_calls {
89 void (*exit)(void);
90 struct kfd_dev* (*probe)(struct kgd_dev *kgd, struct pci_dev *pdev);
91 bool (*device_init)(struct kfd_dev *kfd,
92 const struct kgd2kfd_shared_resources *gpu_resources);
93 void (*device_exit)(struct kfd_dev *kfd);
94 void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry);
95 void (*suspend)(struct kfd_dev *kfd);
96 int (*resume)(struct kfd_dev *kfd);
97};
98
99/**
100 * struct kfd2kgd_calls
101 *
102 * @init_sa_manager: Initialize an instance of the sa manager, used by
103 * amdkfd for all system memory allocations that are mapped to the GART
104 * address space
105 *
106 * @fini_sa_manager: Releases all memory allocations for amdkfd that are
107 * handled by kgd sa manager
108 *
109 * @allocate_mem: Allocate a buffer from amdkfd's sa manager. The buffer can
110 * be used for mqds, hpds, kernel queue, fence and runlists
111 *
112 * @free_mem: Frees a buffer that was allocated by amdkfd's sa manager
113 *
114 * @get_vmem_size: Retrieves (physical) size of VRAM
115 *
116 * @get_gpu_clock_counter: Retrieves GPU clock counter
117 *
118 * @get_max_engine_clock_in_mhz: Retrieves maximum GPU clock in MHz
119 *
120 * @program_sh_mem_settings: A function that should initiate the memory
121 * properties such as main aperture memory type (cache / non cached) and
122 * secondary aperture base address, size and memory type.
123 * This function is used only for no cp scheduling mode.
124 *
125 * @set_pasid_vmid_mapping: Exposes pasid/vmid pair to the H/W for no cp
126 * scheduling mode. Only used for no cp scheduling mode.
127 *
128 * @init_memory: Initializes memory apertures to fixed base/limit address
129 * and non cached memory types.
130 *
131 * @init_pipeline: Initialized the compute pipelines.
132 *
133 * @hqd_load: Loads the mqd structure to a H/W hqd slot. used only for no cp
134 * sceduling mode.
135 *
136 * @hqd_is_occupies: Checks if a hqd slot is occupied.
137 *
138 * @hqd_destroy: Destructs and preempts the queue assigned to that hqd slot.
139 *
140 * This structure contains function pointers to services that the kgd driver
141 * provides to amdkfd driver.
142 *
143 */
144struct kfd2kgd_calls {
145 /* Memory management. */
146 int (*init_sa_manager)(struct kgd_dev *kgd, unsigned int size);
147 void (*fini_sa_manager)(struct kgd_dev *kgd);
148 int (*allocate_mem)(struct kgd_dev *kgd, size_t size, size_t alignment,
149 enum kgd_memory_pool pool, struct kgd_mem **mem);
150
151 void (*free_mem)(struct kgd_dev *kgd, struct kgd_mem *mem);
152
153 uint64_t (*get_vmem_size)(struct kgd_dev *kgd);
154 uint64_t (*get_gpu_clock_counter)(struct kgd_dev *kgd);
155
156 uint32_t (*get_max_engine_clock_in_mhz)(struct kgd_dev *kgd);
157
158 /* Register access functions */
159 void (*program_sh_mem_settings)(struct kgd_dev *kgd, uint32_t vmid,
160 uint32_t sh_mem_config, uint32_t sh_mem_ape1_base,
161 uint32_t sh_mem_ape1_limit, uint32_t sh_mem_bases);
162
163 int (*set_pasid_vmid_mapping)(struct kgd_dev *kgd, unsigned int pasid,
164 unsigned int vmid);
165
166 int (*init_memory)(struct kgd_dev *kgd);
167 int (*init_pipeline)(struct kgd_dev *kgd, uint32_t pipe_id,
168 uint32_t hpd_size, uint64_t hpd_gpu_addr);
169
170 int (*hqd_load)(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
171 uint32_t queue_id, uint32_t __user *wptr);
172
173 bool (*hqd_is_occupies)(struct kgd_dev *kgd, uint64_t queue_address,
174 uint32_t pipe_id, uint32_t queue_id);
175
176 int (*hqd_destroy)(struct kgd_dev *kgd, uint32_t reset_type,
177 unsigned int timeout, uint32_t pipe_id,
178 uint32_t queue_id);
179};
180
181bool kgd2kfd_init(unsigned interface_version,
182 const struct kfd2kgd_calls *f2g,
183 const struct kgd2kfd_calls **g2f);
184
185#endif /* KGD_KFD_INTERFACE_H_INCLUDED */
diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
index d01b87991422..bad6caa0a727 100644
--- a/drivers/gpu/drm/radeon/Makefile
+++ b/drivers/gpu/drm/radeon/Makefile
@@ -104,6 +104,7 @@ radeon-y += \
104 radeon_vce.o \ 104 radeon_vce.o \
105 vce_v1_0.o \ 105 vce_v1_0.o \
106 vce_v2_0.o \ 106 vce_v2_0.o \
107 radeon_kfd.o
107 108
108radeon-$(CONFIG_COMPAT) += radeon_ioc32.o 109radeon-$(CONFIG_COMPAT) += radeon_ioc32.o
109radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o 110radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 2e742a591dfc..bce73b6203ac 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -32,6 +32,7 @@
32#include "cik_blit_shaders.h" 32#include "cik_blit_shaders.h"
33#include "radeon_ucode.h" 33#include "radeon_ucode.h"
34#include "clearstate_ci.h" 34#include "clearstate_ci.h"
35#include "radeon_kfd.h"
35 36
36MODULE_FIRMWARE("radeon/BONAIRE_pfp.bin"); 37MODULE_FIRMWARE("radeon/BONAIRE_pfp.bin");
37MODULE_FIRMWARE("radeon/BONAIRE_me.bin"); 38MODULE_FIRMWARE("radeon/BONAIRE_me.bin");
@@ -7798,6 +7799,10 @@ restart_ih:
7798 while (rptr != wptr) { 7799 while (rptr != wptr) {
7799 /* wptr/rptr are in bytes! */ 7800 /* wptr/rptr are in bytes! */
7800 ring_index = rptr / 4; 7801 ring_index = rptr / 4;
7802
7803 radeon_kfd_interrupt(rdev,
7804 (const void *) &rdev->ih.ring[ring_index]);
7805
7801 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 7806 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
7802 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 7807 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
7803 ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff; 7808 ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
@@ -8487,6 +8492,10 @@ static int cik_startup(struct radeon_device *rdev)
8487 if (r) 8492 if (r)
8488 return r; 8493 return r;
8489 8494
8495 r = radeon_kfd_resume(rdev);
8496 if (r)
8497 return r;
8498
8490 return 0; 8499 return 0;
8491} 8500}
8492 8501
@@ -8535,6 +8544,7 @@ int cik_resume(struct radeon_device *rdev)
8535 */ 8544 */
8536int cik_suspend(struct radeon_device *rdev) 8545int cik_suspend(struct radeon_device *rdev)
8537{ 8546{
8547 radeon_kfd_suspend(rdev);
8538 radeon_pm_suspend(rdev); 8548 radeon_pm_suspend(rdev);
8539 dce6_audio_fini(rdev); 8549 dce6_audio_fini(rdev);
8540 radeon_vm_manager_fini(rdev); 8550 radeon_vm_manager_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/cik_reg.h b/drivers/gpu/drm/radeon/cik_reg.h
index ca1bb6133580..79c45e8a536b 100644
--- a/drivers/gpu/drm/radeon/cik_reg.h
+++ b/drivers/gpu/drm/radeon/cik_reg.h
@@ -147,4 +147,140 @@
147 147
148#define CIK_LB_DESKTOP_HEIGHT 0x6b0c 148#define CIK_LB_DESKTOP_HEIGHT 0x6b0c
149 149
150#define CP_HQD_IQ_RPTR 0xC970u
151#define AQL_ENABLE (1U << 0)
152
153#define IDLE (1 << 2)
154
155struct cik_mqd {
156 uint32_t header;
157 uint32_t compute_dispatch_initiator;
158 uint32_t compute_dim_x;
159 uint32_t compute_dim_y;
160 uint32_t compute_dim_z;
161 uint32_t compute_start_x;
162 uint32_t compute_start_y;
163 uint32_t compute_start_z;
164 uint32_t compute_num_thread_x;
165 uint32_t compute_num_thread_y;
166 uint32_t compute_num_thread_z;
167 uint32_t compute_pipelinestat_enable;
168 uint32_t compute_perfcount_enable;
169 uint32_t compute_pgm_lo;
170 uint32_t compute_pgm_hi;
171 uint32_t compute_tba_lo;
172 uint32_t compute_tba_hi;
173 uint32_t compute_tma_lo;
174 uint32_t compute_tma_hi;
175 uint32_t compute_pgm_rsrc1;
176 uint32_t compute_pgm_rsrc2;
177 uint32_t compute_vmid;
178 uint32_t compute_resource_limits;
179 uint32_t compute_static_thread_mgmt_se0;
180 uint32_t compute_static_thread_mgmt_se1;
181 uint32_t compute_tmpring_size;
182 uint32_t compute_static_thread_mgmt_se2;
183 uint32_t compute_static_thread_mgmt_se3;
184 uint32_t compute_restart_x;
185 uint32_t compute_restart_y;
186 uint32_t compute_restart_z;
187 uint32_t compute_thread_trace_enable;
188 uint32_t compute_misc_reserved;
189 uint32_t compute_user_data_0;
190 uint32_t compute_user_data_1;
191 uint32_t compute_user_data_2;
192 uint32_t compute_user_data_3;
193 uint32_t compute_user_data_4;
194 uint32_t compute_user_data_5;
195 uint32_t compute_user_data_6;
196 uint32_t compute_user_data_7;
197 uint32_t compute_user_data_8;
198 uint32_t compute_user_data_9;
199 uint32_t compute_user_data_10;
200 uint32_t compute_user_data_11;
201 uint32_t compute_user_data_12;
202 uint32_t compute_user_data_13;
203 uint32_t compute_user_data_14;
204 uint32_t compute_user_data_15;
205 uint32_t cp_compute_csinvoc_count_lo;
206 uint32_t cp_compute_csinvoc_count_hi;
207 uint32_t cp_mqd_base_addr_lo;
208 uint32_t cp_mqd_base_addr_hi;
209 uint32_t cp_hqd_active;
210 uint32_t cp_hqd_vmid;
211 uint32_t cp_hqd_persistent_state;
212 uint32_t cp_hqd_pipe_priority;
213 uint32_t cp_hqd_queue_priority;
214 uint32_t cp_hqd_quantum;
215 uint32_t cp_hqd_pq_base_lo;
216 uint32_t cp_hqd_pq_base_hi;
217 uint32_t cp_hqd_pq_rptr;
218 uint32_t cp_hqd_pq_rptr_report_addr_lo;
219 uint32_t cp_hqd_pq_rptr_report_addr_hi;
220 uint32_t cp_hqd_pq_wptr_poll_addr_lo;
221 uint32_t cp_hqd_pq_wptr_poll_addr_hi;
222 uint32_t cp_hqd_pq_doorbell_control;
223 uint32_t cp_hqd_pq_wptr;
224 uint32_t cp_hqd_pq_control;
225 uint32_t cp_hqd_ib_base_addr_lo;
226 uint32_t cp_hqd_ib_base_addr_hi;
227 uint32_t cp_hqd_ib_rptr;
228 uint32_t cp_hqd_ib_control;
229 uint32_t cp_hqd_iq_timer;
230 uint32_t cp_hqd_iq_rptr;
231 uint32_t cp_hqd_dequeue_request;
232 uint32_t cp_hqd_dma_offload;
233 uint32_t cp_hqd_sema_cmd;
234 uint32_t cp_hqd_msg_type;
235 uint32_t cp_hqd_atomic0_preop_lo;
236 uint32_t cp_hqd_atomic0_preop_hi;
237 uint32_t cp_hqd_atomic1_preop_lo;
238 uint32_t cp_hqd_atomic1_preop_hi;
239 uint32_t cp_hqd_hq_status0;
240 uint32_t cp_hqd_hq_control0;
241 uint32_t cp_mqd_control;
242 uint32_t cp_mqd_query_time_lo;
243 uint32_t cp_mqd_query_time_hi;
244 uint32_t cp_mqd_connect_start_time_lo;
245 uint32_t cp_mqd_connect_start_time_hi;
246 uint32_t cp_mqd_connect_end_time_lo;
247 uint32_t cp_mqd_connect_end_time_hi;
248 uint32_t cp_mqd_connect_end_wf_count;
249 uint32_t cp_mqd_connect_end_pq_rptr;
250 uint32_t cp_mqd_connect_end_pq_wptr;
251 uint32_t cp_mqd_connect_end_ib_rptr;
252 uint32_t reserved_96;
253 uint32_t reserved_97;
254 uint32_t reserved_98;
255 uint32_t reserved_99;
256 uint32_t iqtimer_pkt_header;
257 uint32_t iqtimer_pkt_dw0;
258 uint32_t iqtimer_pkt_dw1;
259 uint32_t iqtimer_pkt_dw2;
260 uint32_t iqtimer_pkt_dw3;
261 uint32_t iqtimer_pkt_dw4;
262 uint32_t iqtimer_pkt_dw5;
263 uint32_t iqtimer_pkt_dw6;
264 uint32_t reserved_108;
265 uint32_t reserved_109;
266 uint32_t reserved_110;
267 uint32_t reserved_111;
268 uint32_t queue_doorbell_id0;
269 uint32_t queue_doorbell_id1;
270 uint32_t queue_doorbell_id2;
271 uint32_t queue_doorbell_id3;
272 uint32_t queue_doorbell_id4;
273 uint32_t queue_doorbell_id5;
274 uint32_t queue_doorbell_id6;
275 uint32_t queue_doorbell_id7;
276 uint32_t queue_doorbell_id8;
277 uint32_t queue_doorbell_id9;
278 uint32_t queue_doorbell_id10;
279 uint32_t queue_doorbell_id11;
280 uint32_t queue_doorbell_id12;
281 uint32_t queue_doorbell_id13;
282 uint32_t queue_doorbell_id14;
283 uint32_t queue_doorbell_id15;
284};
285
150#endif 286#endif
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index fae4d0c68478..068cbb019326 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -1139,6 +1139,9 @@
1139#define SH_MEM_ALIGNMENT_MODE_UNALIGNED 3 1139#define SH_MEM_ALIGNMENT_MODE_UNALIGNED 3
1140#define DEFAULT_MTYPE(x) ((x) << 4) 1140#define DEFAULT_MTYPE(x) ((x) << 4)
1141#define APE1_MTYPE(x) ((x) << 7) 1141#define APE1_MTYPE(x) ((x) << 7)
1142/* valid for both DEFAULT_MTYPE and APE1_MTYPE */
1143#define MTYPE_CACHED 0
1144#define MTYPE_NONCACHED 3
1142 1145
1143#define SX_DEBUG_1 0x9060 1146#define SX_DEBUG_1 0x9060
1144 1147
@@ -1449,6 +1452,16 @@
1449#define CP_HQD_ACTIVE 0xC91C 1452#define CP_HQD_ACTIVE 0xC91C
1450#define CP_HQD_VMID 0xC920 1453#define CP_HQD_VMID 0xC920
1451 1454
1455#define CP_HQD_PERSISTENT_STATE 0xC924u
1456#define DEFAULT_CP_HQD_PERSISTENT_STATE (0x33U << 8)
1457
1458#define CP_HQD_PIPE_PRIORITY 0xC928u
1459#define CP_HQD_QUEUE_PRIORITY 0xC92Cu
1460#define CP_HQD_QUANTUM 0xC930u
1461#define QUANTUM_EN 1U
1462#define QUANTUM_SCALE_1MS (1U << 4)
1463#define QUANTUM_DURATION(x) ((x) << 8)
1464
1452#define CP_HQD_PQ_BASE 0xC934 1465#define CP_HQD_PQ_BASE 0xC934
1453#define CP_HQD_PQ_BASE_HI 0xC938 1466#define CP_HQD_PQ_BASE_HI 0xC938
1454#define CP_HQD_PQ_RPTR 0xC93C 1467#define CP_HQD_PQ_RPTR 0xC93C
@@ -1476,12 +1489,32 @@
1476#define PRIV_STATE (1 << 30) 1489#define PRIV_STATE (1 << 30)
1477#define KMD_QUEUE (1 << 31) 1490#define KMD_QUEUE (1 << 31)
1478 1491
1479#define CP_HQD_DEQUEUE_REQUEST 0xC974 1492#define CP_HQD_IB_BASE_ADDR 0xC95Cu
1493#define CP_HQD_IB_BASE_ADDR_HI 0xC960u
1494#define CP_HQD_IB_RPTR 0xC964u
1495#define CP_HQD_IB_CONTROL 0xC968u
1496#define IB_ATC_EN (1U << 23)
1497#define DEFAULT_MIN_IB_AVAIL_SIZE (3U << 20)
1498
1499#define CP_HQD_DEQUEUE_REQUEST 0xC974
1500#define DEQUEUE_REQUEST_DRAIN 1
1501#define DEQUEUE_REQUEST_RESET 2
1480 1502
1481#define CP_MQD_CONTROL 0xC99C 1503#define CP_MQD_CONTROL 0xC99C
1482#define MQD_VMID(x) ((x) << 0) 1504#define MQD_VMID(x) ((x) << 0)
1483#define MQD_VMID_MASK (0xf << 0) 1505#define MQD_VMID_MASK (0xf << 0)
1484 1506
1507#define CP_HQD_SEMA_CMD 0xC97Cu
1508#define CP_HQD_MSG_TYPE 0xC980u
1509#define CP_HQD_ATOMIC0_PREOP_LO 0xC984u
1510#define CP_HQD_ATOMIC0_PREOP_HI 0xC988u
1511#define CP_HQD_ATOMIC1_PREOP_LO 0xC98Cu
1512#define CP_HQD_ATOMIC1_PREOP_HI 0xC990u
1513#define CP_HQD_HQ_SCHEDULER0 0xC994u
1514#define CP_HQD_HQ_SCHEDULER1 0xC998u
1515
1516#define SH_STATIC_MEM_CONFIG 0x9604u
1517
1485#define DB_RENDER_CONTROL 0x28000 1518#define DB_RENDER_CONTROL 0x28000
1486 1519
1487#define PA_SC_RASTER_CONFIG 0x28350 1520#define PA_SC_RASTER_CONFIG 0x28350
@@ -2071,4 +2104,20 @@
2071#define VCE_CMD_IB_AUTO 0x00000005 2104#define VCE_CMD_IB_AUTO 0x00000005
2072#define VCE_CMD_SEMAPHORE 0x00000006 2105#define VCE_CMD_SEMAPHORE 0x00000006
2073 2106
2107#define ATC_VMID0_PASID_MAPPING 0x339Cu
2108#define ATC_VMID_PASID_MAPPING_UPDATE_STATUS 0x3398u
2109#define ATC_VMID_PASID_MAPPING_VALID (1U << 31)
2110
2111#define ATC_VM_APERTURE0_CNTL 0x3310u
2112#define ATS_ACCESS_MODE_NEVER 0
2113#define ATS_ACCESS_MODE_ALWAYS 1
2114
2115#define ATC_VM_APERTURE0_CNTL2 0x3318u
2116#define ATC_VM_APERTURE0_HIGH_ADDR 0x3308u
2117#define ATC_VM_APERTURE0_LOW_ADDR 0x3300u
2118#define ATC_VM_APERTURE1_CNTL 0x3314u
2119#define ATC_VM_APERTURE1_CNTL2 0x331Cu
2120#define ATC_VM_APERTURE1_HIGH_ADDR 0x330Cu
2121#define ATC_VM_APERTURE1_LOW_ADDR 0x3304u
2122
2074#endif 2123#endif
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index e95718f02de3..1f61ff089c9e 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2411,6 +2411,10 @@ struct radeon_device {
2411 u64 vram_pin_size; 2411 u64 vram_pin_size;
2412 u64 gart_pin_size; 2412 u64 gart_pin_size;
2413 2413
2414 /* amdkfd interface */
2415 struct kfd_dev *kfd;
2416 struct radeon_sa_manager kfd_bo;
2417
2414 struct mutex mn_lock; 2418 struct mutex mn_lock;
2415 DECLARE_HASHTABLE(mn_hash, 7); 2419 DECLARE_HASHTABLE(mn_hash, 7);
2416}; 2420};
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index dcffa30ee2db..4f50fb0e3d93 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -41,6 +41,8 @@
41#include <drm/drm_gem.h> 41#include <drm/drm_gem.h>
42 42
43#include "drm_crtc_helper.h" 43#include "drm_crtc_helper.h"
44#include "radeon_kfd.h"
45
44/* 46/*
45 * KMS wrapper. 47 * KMS wrapper.
46 * - 2.0.0 - initial interface 48 * - 2.0.0 - initial interface
@@ -654,12 +656,15 @@ static int __init radeon_init(void)
654#endif 656#endif
655 } 657 }
656 658
659 radeon_kfd_init();
660
657 /* let modprobe override vga console setting */ 661 /* let modprobe override vga console setting */
658 return drm_pci_init(driver, pdriver); 662 return drm_pci_init(driver, pdriver);
659} 663}
660 664
661static void __exit radeon_exit(void) 665static void __exit radeon_exit(void)
662{ 666{
667 radeon_kfd_fini();
663 drm_pci_exit(driver, pdriver); 668 drm_pci_exit(driver, pdriver);
664 radeon_unregister_atpx_handler(); 669 radeon_unregister_atpx_handler();
665} 670}
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c
new file mode 100644
index 000000000000..065d02068ec3
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_kfd.c
@@ -0,0 +1,563 @@
1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23#include <linux/module.h>
24#include <linux/fdtable.h>
25#include <linux/uaccess.h>
26#include <drm/drmP.h>
27#include "radeon.h"
28#include "cikd.h"
29#include "cik_reg.h"
30#include "radeon_kfd.h"
31
32#define CIK_PIPE_PER_MEC (4)
33
34struct kgd_mem {
35 struct radeon_sa_bo *sa_bo;
36 uint64_t gpu_addr;
37 void *ptr;
38};
39
40static int init_sa_manager(struct kgd_dev *kgd, unsigned int size);
41static void fini_sa_manager(struct kgd_dev *kgd);
42
43static int allocate_mem(struct kgd_dev *kgd, size_t size, size_t alignment,
44 enum kgd_memory_pool pool, struct kgd_mem **mem);
45
46static void free_mem(struct kgd_dev *kgd, struct kgd_mem *mem);
47
48static uint64_t get_vmem_size(struct kgd_dev *kgd);
49static uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
50
51static uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
52
53/*
54 * Register access functions
55 */
56
57static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
58 uint32_t sh_mem_config, uint32_t sh_mem_ape1_base,
59 uint32_t sh_mem_ape1_limit, uint32_t sh_mem_bases);
60
61static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
62 unsigned int vmid);
63
64static int kgd_init_memory(struct kgd_dev *kgd);
65
66static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
67 uint32_t hpd_size, uint64_t hpd_gpu_addr);
68
69static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
70 uint32_t queue_id, uint32_t __user *wptr);
71
72static bool kgd_hqd_is_occupies(struct kgd_dev *kgd, uint64_t queue_address,
73 uint32_t pipe_id, uint32_t queue_id);
74
75static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
76 unsigned int timeout, uint32_t pipe_id,
77 uint32_t queue_id);
78
79static const struct kfd2kgd_calls kfd2kgd = {
80 .init_sa_manager = init_sa_manager,
81 .fini_sa_manager = fini_sa_manager,
82 .allocate_mem = allocate_mem,
83 .free_mem = free_mem,
84 .get_vmem_size = get_vmem_size,
85 .get_gpu_clock_counter = get_gpu_clock_counter,
86 .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
87 .program_sh_mem_settings = kgd_program_sh_mem_settings,
88 .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping,
89 .init_memory = kgd_init_memory,
90 .init_pipeline = kgd_init_pipeline,
91 .hqd_load = kgd_hqd_load,
92 .hqd_is_occupies = kgd_hqd_is_occupies,
93 .hqd_destroy = kgd_hqd_destroy,
94};
95
96static const struct kgd2kfd_calls *kgd2kfd;
97
98bool radeon_kfd_init(void)
99{
100 bool (*kgd2kfd_init_p)(unsigned, const struct kfd2kgd_calls*,
101 const struct kgd2kfd_calls**);
102
103 kgd2kfd_init_p = symbol_request(kgd2kfd_init);
104
105 if (kgd2kfd_init_p == NULL)
106 return false;
107
108 if (!kgd2kfd_init_p(KFD_INTERFACE_VERSION, &kfd2kgd, &kgd2kfd)) {
109 symbol_put(kgd2kfd_init);
110 kgd2kfd = NULL;
111
112 return false;
113 }
114
115 return true;
116}
117
118void radeon_kfd_fini(void)
119{
120 if (kgd2kfd) {
121 kgd2kfd->exit();
122 symbol_put(kgd2kfd_init);
123 }
124}
125
126void radeon_kfd_device_probe(struct radeon_device *rdev)
127{
128 if (kgd2kfd)
129 rdev->kfd = kgd2kfd->probe((struct kgd_dev *)rdev, rdev->pdev);
130}
131
132void radeon_kfd_device_init(struct radeon_device *rdev)
133{
134 if (rdev->kfd) {
135 struct kgd2kfd_shared_resources gpu_resources = {
136 .compute_vmid_bitmap = 0xFF00,
137
138 .first_compute_pipe = 1,
139 .compute_pipe_count = 8 - 1,
140 };
141
142 radeon_doorbell_get_kfd_info(rdev,
143 &gpu_resources.doorbell_physical_address,
144 &gpu_resources.doorbell_aperture_size,
145 &gpu_resources.doorbell_start_offset);
146
147 kgd2kfd->device_init(rdev->kfd, &gpu_resources);
148 }
149}
150
151void radeon_kfd_device_fini(struct radeon_device *rdev)
152{
153 if (rdev->kfd) {
154 kgd2kfd->device_exit(rdev->kfd);
155 rdev->kfd = NULL;
156 }
157}
158
159void radeon_kfd_interrupt(struct radeon_device *rdev, const void *ih_ring_entry)
160{
161 if (rdev->kfd)
162 kgd2kfd->interrupt(rdev->kfd, ih_ring_entry);
163}
164
165void radeon_kfd_suspend(struct radeon_device *rdev)
166{
167 if (rdev->kfd)
168 kgd2kfd->suspend(rdev->kfd);
169}
170
171int radeon_kfd_resume(struct radeon_device *rdev)
172{
173 int r = 0;
174
175 if (rdev->kfd)
176 r = kgd2kfd->resume(rdev->kfd);
177
178 return r;
179}
180
181static u32 pool_to_domain(enum kgd_memory_pool p)
182{
183 switch (p) {
184 case KGD_POOL_FRAMEBUFFER: return RADEON_GEM_DOMAIN_VRAM;
185 default: return RADEON_GEM_DOMAIN_GTT;
186 }
187}
188
189static int init_sa_manager(struct kgd_dev *kgd, unsigned int size)
190{
191 struct radeon_device *rdev = (struct radeon_device *)kgd;
192 int r;
193
194 BUG_ON(kgd == NULL);
195
196 r = radeon_sa_bo_manager_init(rdev, &rdev->kfd_bo,
197 size,
198 RADEON_GPU_PAGE_SIZE,
199 RADEON_GEM_DOMAIN_GTT,
200 RADEON_GEM_GTT_WC);
201
202 if (r)
203 return r;
204
205 r = radeon_sa_bo_manager_start(rdev, &rdev->kfd_bo);
206 if (r)
207 radeon_sa_bo_manager_fini(rdev, &rdev->kfd_bo);
208
209 return r;
210}
211
212static void fini_sa_manager(struct kgd_dev *kgd)
213{
214 struct radeon_device *rdev = (struct radeon_device *)kgd;
215
216 BUG_ON(kgd == NULL);
217
218 radeon_sa_bo_manager_suspend(rdev, &rdev->kfd_bo);
219 radeon_sa_bo_manager_fini(rdev, &rdev->kfd_bo);
220}
221
222static int allocate_mem(struct kgd_dev *kgd, size_t size, size_t alignment,
223 enum kgd_memory_pool pool, struct kgd_mem **mem)
224{
225 struct radeon_device *rdev = (struct radeon_device *)kgd;
226 u32 domain;
227 int r;
228
229 BUG_ON(kgd == NULL);
230
231 domain = pool_to_domain(pool);
232 if (domain != RADEON_GEM_DOMAIN_GTT) {
233 dev_err(rdev->dev,
234 "Only allowed to allocate gart memory for kfd\n");
235 return -EINVAL;
236 }
237
238 *mem = kmalloc(sizeof(struct kgd_mem), GFP_KERNEL);
239 if ((*mem) == NULL)
240 return -ENOMEM;
241
242 r = radeon_sa_bo_new(rdev, &rdev->kfd_bo, &(*mem)->sa_bo, size,
243 alignment);
244 if (r) {
245 dev_err(rdev->dev, "failed to get memory for kfd (%d)\n", r);
246 return r;
247 }
248
249 (*mem)->ptr = radeon_sa_bo_cpu_addr((*mem)->sa_bo);
250 (*mem)->gpu_addr = radeon_sa_bo_gpu_addr((*mem)->sa_bo);
251
252 return 0;
253}
254
255static void free_mem(struct kgd_dev *kgd, struct kgd_mem *mem)
256{
257 struct radeon_device *rdev = (struct radeon_device *)kgd;
258
259 BUG_ON(kgd == NULL);
260
261 radeon_sa_bo_free(rdev, &mem->sa_bo, NULL);
262 kfree(mem);
263}
264
265static uint64_t get_vmem_size(struct kgd_dev *kgd)
266{
267 struct radeon_device *rdev = (struct radeon_device *)kgd;
268
269 BUG_ON(kgd == NULL);
270
271 return rdev->mc.real_vram_size;
272}
273
274static uint64_t get_gpu_clock_counter(struct kgd_dev *kgd)
275{
276 struct radeon_device *rdev = (struct radeon_device *)kgd;
277
278 return rdev->asic->get_gpu_clock_counter(rdev);
279}
280
281static uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd)
282{
283 struct radeon_device *rdev = (struct radeon_device *)kgd;
284
285 /* The sclk is in quantas of 10kHz */
286 return rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk / 100;
287}
288
289static inline struct radeon_device *get_radeon_device(struct kgd_dev *kgd)
290{
291 return (struct radeon_device *)kgd;
292}
293
294static void write_register(struct kgd_dev *kgd, uint32_t offset, uint32_t value)
295{
296 struct radeon_device *rdev = get_radeon_device(kgd);
297
298 writel(value, (void __iomem *)(rdev->rmmio + offset));
299}
300
301static uint32_t read_register(struct kgd_dev *kgd, uint32_t offset)
302{
303 struct radeon_device *rdev = get_radeon_device(kgd);
304
305 return readl((void __iomem *)(rdev->rmmio + offset));
306}
307
308static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe,
309 uint32_t queue, uint32_t vmid)
310{
311 struct radeon_device *rdev = get_radeon_device(kgd);
312 uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue);
313
314 mutex_lock(&rdev->srbm_mutex);
315 write_register(kgd, SRBM_GFX_CNTL, value);
316}
317
318static void unlock_srbm(struct kgd_dev *kgd)
319{
320 struct radeon_device *rdev = get_radeon_device(kgd);
321
322 write_register(kgd, SRBM_GFX_CNTL, 0);
323 mutex_unlock(&rdev->srbm_mutex);
324}
325
326static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id,
327 uint32_t queue_id)
328{
329 uint32_t mec = (++pipe_id / CIK_PIPE_PER_MEC) + 1;
330 uint32_t pipe = (pipe_id % CIK_PIPE_PER_MEC);
331
332 lock_srbm(kgd, mec, pipe, queue_id, 0);
333}
334
335static void release_queue(struct kgd_dev *kgd)
336{
337 unlock_srbm(kgd);
338}
339
340static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
341 uint32_t sh_mem_config,
342 uint32_t sh_mem_ape1_base,
343 uint32_t sh_mem_ape1_limit,
344 uint32_t sh_mem_bases)
345{
346 lock_srbm(kgd, 0, 0, 0, vmid);
347
348 write_register(kgd, SH_MEM_CONFIG, sh_mem_config);
349 write_register(kgd, SH_MEM_APE1_BASE, sh_mem_ape1_base);
350 write_register(kgd, SH_MEM_APE1_LIMIT, sh_mem_ape1_limit);
351 write_register(kgd, SH_MEM_BASES, sh_mem_bases);
352
353 unlock_srbm(kgd);
354}
355
356static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
357 unsigned int vmid)
358{
359 /*
360 * We have to assume that there is no outstanding mapping.
361 * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0
362 * because a mapping is in progress or because a mapping finished and
363 * the SW cleared it.
364 * So the protocol is to always wait & clear.
365 */
366 uint32_t pasid_mapping = (pasid == 0) ? 0 :
367 (uint32_t)pasid | ATC_VMID_PASID_MAPPING_VALID;
368
369 write_register(kgd, ATC_VMID0_PASID_MAPPING + vmid*sizeof(uint32_t),
370 pasid_mapping);
371
372 while (!(read_register(kgd, ATC_VMID_PASID_MAPPING_UPDATE_STATUS) &
373 (1U << vmid)))
374 cpu_relax();
375 write_register(kgd, ATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid);
376
377 return 0;
378}
379
380static int kgd_init_memory(struct kgd_dev *kgd)
381{
382 /*
383 * Configure apertures:
384 * LDS: 0x60000000'00000000 - 0x60000001'00000000 (4GB)
385 * Scratch: 0x60000001'00000000 - 0x60000002'00000000 (4GB)
386 * GPUVM: 0x60010000'00000000 - 0x60020000'00000000 (1TB)
387 */
388 int i;
389 uint32_t sh_mem_bases = PRIVATE_BASE(0x6000) | SHARED_BASE(0x6000);
390
391 for (i = 8; i < 16; i++) {
392 uint32_t sh_mem_config;
393
394 lock_srbm(kgd, 0, 0, 0, i);
395
396 sh_mem_config = ALIGNMENT_MODE(SH_MEM_ALIGNMENT_MODE_UNALIGNED);
397 sh_mem_config |= DEFAULT_MTYPE(MTYPE_NONCACHED);
398
399 write_register(kgd, SH_MEM_CONFIG, sh_mem_config);
400
401 write_register(kgd, SH_MEM_BASES, sh_mem_bases);
402
403 /* Scratch aperture is not supported for now. */
404 write_register(kgd, SH_STATIC_MEM_CONFIG, 0);
405
406 /* APE1 disabled for now. */
407 write_register(kgd, SH_MEM_APE1_BASE, 1);
408 write_register(kgd, SH_MEM_APE1_LIMIT, 0);
409
410 unlock_srbm(kgd);
411 }
412
413 return 0;
414}
415
416static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
417 uint32_t hpd_size, uint64_t hpd_gpu_addr)
418{
419 uint32_t mec = (++pipe_id / CIK_PIPE_PER_MEC) + 1;
420 uint32_t pipe = (pipe_id % CIK_PIPE_PER_MEC);
421
422 lock_srbm(kgd, mec, pipe, 0, 0);
423 write_register(kgd, CP_HPD_EOP_BASE_ADDR,
424 lower_32_bits(hpd_gpu_addr >> 8));
425 write_register(kgd, CP_HPD_EOP_BASE_ADDR_HI,
426 upper_32_bits(hpd_gpu_addr >> 8));
427 write_register(kgd, CP_HPD_EOP_VMID, 0);
428 write_register(kgd, CP_HPD_EOP_CONTROL, hpd_size);
429 unlock_srbm(kgd);
430
431 return 0;
432}
433
434static inline struct cik_mqd *get_mqd(void *mqd)
435{
436 return (struct cik_mqd *)mqd;
437}
438
439static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
440 uint32_t queue_id, uint32_t __user *wptr)
441{
442 uint32_t wptr_shadow, is_wptr_shadow_valid;
443 struct cik_mqd *m;
444
445 m = get_mqd(mqd);
446
447 is_wptr_shadow_valid = !get_user(wptr_shadow, wptr);
448
449 acquire_queue(kgd, pipe_id, queue_id);
450 write_register(kgd, CP_MQD_BASE_ADDR, m->cp_mqd_base_addr_lo);
451 write_register(kgd, CP_MQD_BASE_ADDR_HI, m->cp_mqd_base_addr_hi);
452 write_register(kgd, CP_MQD_CONTROL, m->cp_mqd_control);
453
454 write_register(kgd, CP_HQD_PQ_BASE, m->cp_hqd_pq_base_lo);
455 write_register(kgd, CP_HQD_PQ_BASE_HI, m->cp_hqd_pq_base_hi);
456 write_register(kgd, CP_HQD_PQ_CONTROL, m->cp_hqd_pq_control);
457
458 write_register(kgd, CP_HQD_IB_CONTROL, m->cp_hqd_ib_control);
459 write_register(kgd, CP_HQD_IB_BASE_ADDR, m->cp_hqd_ib_base_addr_lo);
460 write_register(kgd, CP_HQD_IB_BASE_ADDR_HI, m->cp_hqd_ib_base_addr_hi);
461
462 write_register(kgd, CP_HQD_IB_RPTR, m->cp_hqd_ib_rptr);
463
464 write_register(kgd, CP_HQD_PERSISTENT_STATE,
465 m->cp_hqd_persistent_state);
466 write_register(kgd, CP_HQD_SEMA_CMD, m->cp_hqd_sema_cmd);
467 write_register(kgd, CP_HQD_MSG_TYPE, m->cp_hqd_msg_type);
468
469 write_register(kgd, CP_HQD_ATOMIC0_PREOP_LO,
470 m->cp_hqd_atomic0_preop_lo);
471
472 write_register(kgd, CP_HQD_ATOMIC0_PREOP_HI,
473 m->cp_hqd_atomic0_preop_hi);
474
475 write_register(kgd, CP_HQD_ATOMIC1_PREOP_LO,
476 m->cp_hqd_atomic1_preop_lo);
477
478 write_register(kgd, CP_HQD_ATOMIC1_PREOP_HI,
479 m->cp_hqd_atomic1_preop_hi);
480
481 write_register(kgd, CP_HQD_PQ_RPTR_REPORT_ADDR,
482 m->cp_hqd_pq_rptr_report_addr_lo);
483
484 write_register(kgd, CP_HQD_PQ_RPTR_REPORT_ADDR_HI,
485 m->cp_hqd_pq_rptr_report_addr_hi);
486
487 write_register(kgd, CP_HQD_PQ_RPTR, m->cp_hqd_pq_rptr);
488
489 write_register(kgd, CP_HQD_PQ_WPTR_POLL_ADDR,
490 m->cp_hqd_pq_wptr_poll_addr_lo);
491
492 write_register(kgd, CP_HQD_PQ_WPTR_POLL_ADDR_HI,
493 m->cp_hqd_pq_wptr_poll_addr_hi);
494
495 write_register(kgd, CP_HQD_PQ_DOORBELL_CONTROL,
496 m->cp_hqd_pq_doorbell_control);
497
498 write_register(kgd, CP_HQD_VMID, m->cp_hqd_vmid);
499
500 write_register(kgd, CP_HQD_QUANTUM, m->cp_hqd_quantum);
501
502 write_register(kgd, CP_HQD_PIPE_PRIORITY, m->cp_hqd_pipe_priority);
503 write_register(kgd, CP_HQD_QUEUE_PRIORITY, m->cp_hqd_queue_priority);
504
505 write_register(kgd, CP_HQD_IQ_RPTR, m->cp_hqd_iq_rptr);
506
507 if (is_wptr_shadow_valid)
508 write_register(kgd, CP_HQD_PQ_WPTR, wptr_shadow);
509
510 write_register(kgd, CP_HQD_ACTIVE, m->cp_hqd_active);
511 release_queue(kgd);
512
513 return 0;
514}
515
516static bool kgd_hqd_is_occupies(struct kgd_dev *kgd, uint64_t queue_address,
517 uint32_t pipe_id, uint32_t queue_id)
518{
519 uint32_t act;
520 bool retval = false;
521 uint32_t low, high;
522
523 acquire_queue(kgd, pipe_id, queue_id);
524 act = read_register(kgd, CP_HQD_ACTIVE);
525 if (act) {
526 low = lower_32_bits(queue_address >> 8);
527 high = upper_32_bits(queue_address >> 8);
528
529 if (low == read_register(kgd, CP_HQD_PQ_BASE) &&
530 high == read_register(kgd, CP_HQD_PQ_BASE_HI))
531 retval = true;
532 }
533 release_queue(kgd);
534 return retval;
535}
536
537static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
538 unsigned int timeout, uint32_t pipe_id,
539 uint32_t queue_id)
540{
541 uint32_t temp;
542
543 acquire_queue(kgd, pipe_id, queue_id);
544 write_register(kgd, CP_HQD_PQ_DOORBELL_CONTROL, 0);
545
546 write_register(kgd, CP_HQD_DEQUEUE_REQUEST, reset_type);
547
548 while (true) {
549 temp = read_register(kgd, CP_HQD_ACTIVE);
550 if (temp & 0x1)
551 break;
552 if (timeout == 0) {
553 pr_err("kfd: cp queue preemption time out (%dms)\n",
554 temp);
555 return -ETIME;
556 }
557 msleep(20);
558 timeout -= 20;
559 }
560
561 release_queue(kgd);
562 return 0;
563}
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.h b/drivers/gpu/drm/radeon/radeon_kfd.h
new file mode 100644
index 000000000000..f90e161ca507
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_kfd.h
@@ -0,0 +1,47 @@
1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23/*
24 * radeon_kfd.h defines the private interface between the
25 * AMD kernel graphics drivers and the AMD KFD.
26 */
27
28#ifndef RADEON_KFD_H_INCLUDED
29#define RADEON_KFD_H_INCLUDED
30
31#include <linux/types.h>
32#include "../amd/include/kgd_kfd_interface.h"
33
34struct radeon_device;
35
36bool radeon_kfd_init(void);
37void radeon_kfd_fini(void);
38
39void radeon_kfd_suspend(struct radeon_device *rdev);
40int radeon_kfd_resume(struct radeon_device *rdev);
41void radeon_kfd_interrupt(struct radeon_device *rdev,
42 const void *ih_ring_entry);
43void radeon_kfd_device_probe(struct radeon_device *rdev);
44void radeon_kfd_device_init(struct radeon_device *rdev);
45void radeon_kfd_device_fini(struct radeon_device *rdev);
46
47#endif /* RADEON_KFD_H_INCLUDED */
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 8309b11e674d..6eb561d33eba 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -34,6 +34,8 @@
34#include <linux/slab.h> 34#include <linux/slab.h>
35#include <linux/pm_runtime.h> 35#include <linux/pm_runtime.h>
36 36
37#include "radeon_kfd.h"
38
37#if defined(CONFIG_VGA_SWITCHEROO) 39#if defined(CONFIG_VGA_SWITCHEROO)
38bool radeon_has_atpx(void); 40bool radeon_has_atpx(void);
39#else 41#else
@@ -63,6 +65,8 @@ int radeon_driver_unload_kms(struct drm_device *dev)
63 65
64 pm_runtime_get_sync(dev->dev); 66 pm_runtime_get_sync(dev->dev);
65 67
68 radeon_kfd_device_fini(rdev);
69
66 radeon_acpi_fini(rdev); 70 radeon_acpi_fini(rdev);
67 71
68 radeon_modeset_fini(rdev); 72 radeon_modeset_fini(rdev);
@@ -142,6 +146,9 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
142 "Error during ACPI methods call\n"); 146 "Error during ACPI methods call\n");
143 } 147 }
144 148
149 radeon_kfd_device_probe(rdev);
150 radeon_kfd_device_init(rdev);
151
145 if (radeon_is_px(dev)) { 152 if (radeon_is_px(dev)) {
146 pm_runtime_use_autosuspend(dev->dev); 153 pm_runtime_use_autosuspend(dev->dev);
147 pm_runtime_set_autosuspend_delay(dev->dev, 5000); 154 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-05 21:08:34 -0500