drm/i915/cdclk: hide struct intel_cdclk_vals
[linux-2.6-block.git] / drivers / gpu / drm / i915 / intel_device_info.c
CommitLineData
94b4f3ba
CW
1/*
2 * Copyright © 2016 Intel Corporation
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 */
24
a8c9b849 25#include <drm/drm_print.h>
83d2bdb6 26#include <drm/i915_pciids.h>
a8c9b849 27
b04002f4 28#include "display/intel_cdclk.h"
fdeb6d02 29#include "display/intel_de.h"
b978520d 30#include "intel_device_info.h"
94b4f3ba
CW
31#include "i915_drv.h"
32
2e0d26f8
JN
33#define PLATFORM_NAME(x) [INTEL_##x] = #x
34static const char * const platform_names[] = {
35 PLATFORM_NAME(I830),
36 PLATFORM_NAME(I845G),
37 PLATFORM_NAME(I85X),
38 PLATFORM_NAME(I865G),
39 PLATFORM_NAME(I915G),
40 PLATFORM_NAME(I915GM),
41 PLATFORM_NAME(I945G),
42 PLATFORM_NAME(I945GM),
43 PLATFORM_NAME(G33),
44 PLATFORM_NAME(PINEVIEW),
c0f86832
JN
45 PLATFORM_NAME(I965G),
46 PLATFORM_NAME(I965GM),
f69c11ae
JN
47 PLATFORM_NAME(G45),
48 PLATFORM_NAME(GM45),
2e0d26f8
JN
49 PLATFORM_NAME(IRONLAKE),
50 PLATFORM_NAME(SANDYBRIDGE),
51 PLATFORM_NAME(IVYBRIDGE),
52 PLATFORM_NAME(VALLEYVIEW),
53 PLATFORM_NAME(HASWELL),
54 PLATFORM_NAME(BROADWELL),
55 PLATFORM_NAME(CHERRYVIEW),
56 PLATFORM_NAME(SKYLAKE),
57 PLATFORM_NAME(BROXTON),
58 PLATFORM_NAME(KABYLAKE),
59 PLATFORM_NAME(GEMINILAKE),
71851fa8 60 PLATFORM_NAME(COFFEELAKE),
5f4ae270 61 PLATFORM_NAME(COMETLAKE),
41231001 62 PLATFORM_NAME(ICELAKE),
897f2961 63 PLATFORM_NAME(ELKHARTLAKE),
24ea098b 64 PLATFORM_NAME(JASPERLAKE),
abd3a0fe 65 PLATFORM_NAME(TIGERLAKE),
123f62de 66 PLATFORM_NAME(ROCKETLAKE),
05e26584 67 PLATFORM_NAME(DG1),
0883d63b 68 PLATFORM_NAME(ALDERLAKE_S),
bdd27cad 69 PLATFORM_NAME(ALDERLAKE_P),
086df54e 70 PLATFORM_NAME(XEHPSDV),
9e22cfc5 71 PLATFORM_NAME(DG2),
2e0d26f8
JN
72};
73#undef PLATFORM_NAME
74
75const char *intel_platform_name(enum intel_platform platform)
76{
9160095c
JN
77 BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS);
78
2e0d26f8
JN
79 if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) ||
80 platform_names[platform] == NULL))
81 return "<unknown>";
82
83 return platform_names[platform];
84}
85
72404978 86static const char *iommu_name(void)
a8c9b849 87{
72404978
CW
88 const char *msg = "n/a";
89
90#ifdef CONFIG_INTEL_IOMMU
91 msg = enableddisabled(intel_iommu_gfx_mapped);
92#endif
93
94 return msg;
95}
96
97void intel_device_info_print_static(const struct intel_device_info *info,
98 struct drm_printer *p)
99{
ca6374e2
LDM
100 if (info->graphics_rel)
101 drm_printf(p, "graphics version: %u.%02u\n", info->graphics_ver, info->graphics_rel);
102 else
103 drm_printf(p, "graphics version: %u\n", info->graphics_ver);
104
105 if (info->media_rel)
106 drm_printf(p, "media version: %u.%02u\n", info->media_ver, info->media_rel);
107 else
108 drm_printf(p, "media version: %u\n", info->media_ver);
109
0f9b145a 110 drm_printf(p, "display version: %u\n", info->display.ver);
72404978
CW
111 drm_printf(p, "gt: %d\n", info->gt);
112 drm_printf(p, "iommu: %s\n", iommu_name());
113 drm_printf(p, "memory-regions: %x\n", info->memory_regions);
114 drm_printf(p, "page-sizes: %x\n", info->page_sizes);
115 drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
116 drm_printf(p, "ppgtt-size: %d\n", info->ppgtt_size);
117 drm_printf(p, "ppgtt-type: %d\n", info->ppgtt_type);
31a02eb7 118 drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);
72404978 119
c33f83fd 120#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, yesno(info->name))
a8c9b849
MW
121 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
122#undef PRINT_FLAG
d53db442
JRS
123
124#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, yesno(info->display.name));
125 DEV_INFO_DISPLAY_FOR_EACH_FLAG(PRINT_FLAG);
126#undef PRINT_FLAG
a8c9b849
MW
127}
128
72404978
CW
129void intel_device_info_print_runtime(const struct intel_runtime_info *info,
130 struct drm_printer *p)
5fbbe8d4 131{
b04002f4 132 drm_printf(p, "rawclk rate: %u kHz\n", info->rawclk_freq);
dab91783
LL
133}
134
805446c8
TU
135#undef INTEL_VGA_DEVICE
136#define INTEL_VGA_DEVICE(id, info) (id)
137
138static const u16 subplatform_ult_ids[] = {
139 INTEL_HSW_ULT_GT1_IDS(0),
140 INTEL_HSW_ULT_GT2_IDS(0),
141 INTEL_HSW_ULT_GT3_IDS(0),
142 INTEL_BDW_ULT_GT1_IDS(0),
143 INTEL_BDW_ULT_GT2_IDS(0),
144 INTEL_BDW_ULT_GT3_IDS(0),
145 INTEL_BDW_ULT_RSVD_IDS(0),
146 INTEL_SKL_ULT_GT1_IDS(0),
147 INTEL_SKL_ULT_GT2_IDS(0),
148 INTEL_SKL_ULT_GT3_IDS(0),
149 INTEL_KBL_ULT_GT1_IDS(0),
150 INTEL_KBL_ULT_GT2_IDS(0),
151 INTEL_KBL_ULT_GT3_IDS(0),
152 INTEL_CFL_U_GT2_IDS(0),
153 INTEL_CFL_U_GT3_IDS(0),
154 INTEL_WHL_U_GT1_IDS(0),
155 INTEL_WHL_U_GT2_IDS(0),
c3ad8d29 156 INTEL_WHL_U_GT3_IDS(0),
8717c6b7
LS
157 INTEL_CML_U_GT1_IDS(0),
158 INTEL_CML_U_GT2_IDS(0),
805446c8
TU
159};
160
161static const u16 subplatform_ulx_ids[] = {
162 INTEL_HSW_ULX_GT1_IDS(0),
163 INTEL_HSW_ULX_GT2_IDS(0),
164 INTEL_BDW_ULX_GT1_IDS(0),
165 INTEL_BDW_ULX_GT2_IDS(0),
166 INTEL_BDW_ULX_GT3_IDS(0),
167 INTEL_BDW_ULX_RSVD_IDS(0),
168 INTEL_SKL_ULX_GT1_IDS(0),
169 INTEL_SKL_ULX_GT2_IDS(0),
170 INTEL_KBL_ULX_GT1_IDS(0),
c3ad8d29 171 INTEL_KBL_ULX_GT2_IDS(0),
805446c8 172 INTEL_AML_KBL_GT2_IDS(0),
c3ad8d29 173 INTEL_AML_CFL_GT2_IDS(0),
805446c8
TU
174};
175
176static const u16 subplatform_portf_ids[] = {
c3ad8d29 177 INTEL_ICL_PORT_F_IDS(0),
805446c8
TU
178};
179
52407c22
AS
180static const u16 subplatform_rpls_ids[] = {
181 INTEL_RPLS_IDS(0),
182};
183
805446c8
TU
184static bool find_devid(u16 id, const u16 *p, unsigned int num)
185{
186 for (; num; num--, p++) {
187 if (*p == id)
188 return true;
189 }
190
191 return false;
192}
193
194void intel_device_info_subplatform_init(struct drm_i915_private *i915)
195{
196 const struct intel_device_info *info = INTEL_INFO(i915);
197 const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915);
198 const unsigned int pi = __platform_mask_index(rinfo, info->platform);
199 const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
200 u16 devid = INTEL_DEVID(i915);
640cde65 201 u32 mask = 0;
805446c8
TU
202
203 /* Make sure IS_<platform> checks are working. */
204 RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);
205
206 /* Find and mark subplatform bits based on the PCI device id. */
207 if (find_devid(devid, subplatform_ult_ids,
208 ARRAY_SIZE(subplatform_ult_ids))) {
209 mask = BIT(INTEL_SUBPLATFORM_ULT);
210 } else if (find_devid(devid, subplatform_ulx_ids,
211 ARRAY_SIZE(subplatform_ulx_ids))) {
212 mask = BIT(INTEL_SUBPLATFORM_ULX);
213 if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
214 /* ULX machines are also considered ULT. */
215 mask |= BIT(INTEL_SUBPLATFORM_ULT);
216 }
805446c8
TU
217 } else if (find_devid(devid, subplatform_portf_ids,
218 ARRAY_SIZE(subplatform_portf_ids))) {
219 mask = BIT(INTEL_SUBPLATFORM_PORTF);
52407c22
AS
220 } else if (find_devid(devid, subplatform_rpls_ids,
221 ARRAY_SIZE(subplatform_rpls_ids))) {
222 mask = BIT(INTEL_SUBPLATFORM_RPL_S);
805446c8
TU
223 }
224
1d3cc7ab 225 if (IS_TIGERLAKE(i915)) {
8ff5446a 226 struct pci_dev *root, *pdev = to_pci_dev(i915->drm.dev);
1d3cc7ab
JRS
227
228 root = list_first_entry(&pdev->bus->devices, typeof(*root), bus_list);
229
230 drm_WARN_ON(&i915->drm, mask);
231 drm_WARN_ON(&i915->drm, (root->device & TGL_ROOT_DEVICE_MASK) !=
232 TGL_ROOT_DEVICE_ID);
233
234 switch (root->device & TGL_ROOT_DEVICE_SKU_MASK) {
235 case TGL_ROOT_DEVICE_SKU_ULX:
236 mask = BIT(INTEL_SUBPLATFORM_ULX);
237 break;
238 case TGL_ROOT_DEVICE_SKU_ULT:
239 mask = BIT(INTEL_SUBPLATFORM_ULT);
240 break;
241 }
242 }
243
56afa701 244 GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);
805446c8
TU
245
246 RUNTIME_INFO(i915)->platform_mask[pi] |= mask;
247}
248
6a7e51f3
MW
249/**
250 * intel_device_info_runtime_init - initialize runtime info
963cc126 251 * @dev_priv: the i915 device
6a7e51f3 252 *
94b4f3ba
CW
253 * Determine various intel_device_info fields at runtime.
254 *
255 * Use it when either:
256 * - it's judged too laborious to fill n static structures with the limit
257 * when a simple if statement does the job,
258 * - run-time checks (eg read fuse/strap registers) are needed.
259 *
260 * This function needs to be called:
261 * - after the MMIO has been setup as we are reading registers,
262 * - after the PCH has been detected,
263 * - before the first usage of the fields it can tweak.
264 */
1400cc7e 265void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
94b4f3ba 266{
1400cc7e 267 struct intel_device_info *info = mkwrite_device_info(dev_priv);
0258404f 268 struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);
94b4f3ba
CW
269 enum pipe pipe;
270
8ff36e02 271 /* Wa_14011765242: adl-s A0,A1 */
46b0d709 272 if (IS_ADLS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A2))
ea27113e
AS
273 for_each_pipe(dev_priv, pipe)
274 runtime->num_scalers[pipe] = 0;
4c6b3021 275 else if (DISPLAY_VER(dev_priv) >= 11) {
6e7406db 276 for_each_pipe(dev_priv, pipe)
0258404f 277 runtime->num_scalers[pipe] = 2;
4c6b3021 278 } else if (DISPLAY_VER(dev_priv) >= 9) {
0258404f
JN
279 runtime->num_scalers[PIPE_A] = 2;
280 runtime->num_scalers[PIPE_B] = 2;
281 runtime->num_scalers[PIPE_C] = 1;
0bf0230e
ACO
282 }
283
8a68d464 284 BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);
022d3093 285
1649a4cc 286 if (DISPLAY_VER(dev_priv) >= 13 || HAS_D12_PLANE_MINIMIZATION(dev_priv))
99e2d8bc
MR
287 for_each_pipe(dev_priv, pipe)
288 runtime->num_sprites[pipe] = 4;
4c6b3021 289 else if (DISPLAY_VER(dev_priv) >= 11)
6711bd73 290 for_each_pipe(dev_priv, pipe)
0258404f 291 runtime->num_sprites[pipe] = 6;
4c6b3021 292 else if (DISPLAY_VER(dev_priv) == 10)
e9c98825 293 for_each_pipe(dev_priv, pipe)
0258404f 294 runtime->num_sprites[pipe] = 3;
e9c98825 295 else if (IS_BROXTON(dev_priv)) {
6711bd73
ML
296 /*
297 * Skylake and Broxton currently don't expose the topmost plane as its
298 * use is exclusive with the legacy cursor and we only want to expose
299 * one of those, not both. Until we can safely expose the topmost plane
300 * as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
301 * we don't expose the topmost plane at all to prevent ABI breakage
302 * down the line.
303 */
304
0258404f
JN
305 runtime->num_sprites[PIPE_A] = 2;
306 runtime->num_sprites[PIPE_B] = 2;
307 runtime->num_sprites[PIPE_C] = 1;
33edc24d 308 } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
94b4f3ba 309 for_each_pipe(dev_priv, pipe)
0258404f 310 runtime->num_sprites[pipe] = 2;
4c6b3021 311 } else if (DISPLAY_VER(dev_priv) >= 5 || IS_G4X(dev_priv)) {
94b4f3ba 312 for_each_pipe(dev_priv, pipe)
0258404f 313 runtime->num_sprites[pipe] = 1;
33edc24d 314 }
94b4f3ba 315
651e7d48 316 if (HAS_DISPLAY(dev_priv) && IS_GRAPHICS_VER(dev_priv, 7, 8) &&
ef404bc6 317 HAS_PCH_SPLIT(dev_priv)) {
fdeb6d02
DCS
318 u32 fuse_strap = intel_de_read(dev_priv, FUSE_STRAP);
319 u32 sfuse_strap = intel_de_read(dev_priv, SFUSE_STRAP);
94b4f3ba
CW
320
321 /*
322 * SFUSE_STRAP is supposed to have a bit signalling the display
323 * is fused off. Unfortunately it seems that, at least in
324 * certain cases, fused off display means that PCH display
325 * reads don't land anywhere. In that case, we read 0s.
326 *
327 * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
328 * should be set when taking over after the firmware.
329 */
330 if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
331 sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
b9eb89b2 332 (HAS_PCH_CPT(dev_priv) &&
94b4f3ba 333 !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
68b32717
WK
334 drm_info(&dev_priv->drm,
335 "Display fused off, disabling\n");
8d8b0031 336 info->pipe_mask = 0;
10cf8e75 337 info->cpu_transcoder_mask = 0;
94b4f3ba 338 } else if (fuse_strap & IVB_PIPE_C_DISABLE) {
68b32717 339 drm_info(&dev_priv->drm, "PipeC fused off\n");
8d8b0031 340 info->pipe_mask &= ~BIT(PIPE_C);
10cf8e75 341 info->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
94b4f3ba 342 }
4fd17728 343 } else if (HAS_DISPLAY(dev_priv) && DISPLAY_VER(dev_priv) >= 9) {
fdeb6d02 344 u32 dfsm = intel_de_read(dev_priv, SKL_DFSM);
94b4f3ba 345
10cf8e75
VS
346 if (dfsm & SKL_DFSM_PIPE_A_DISABLE) {
347 info->pipe_mask &= ~BIT(PIPE_A);
348 info->cpu_transcoder_mask &= ~BIT(TRANSCODER_A);
349 }
350 if (dfsm & SKL_DFSM_PIPE_B_DISABLE) {
351 info->pipe_mask &= ~BIT(PIPE_B);
352 info->cpu_transcoder_mask &= ~BIT(TRANSCODER_B);
353 }
354 if (dfsm & SKL_DFSM_PIPE_C_DISABLE) {
355 info->pipe_mask &= ~BIT(PIPE_C);
356 info->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
357 }
4fd17728
LDM
358
359 if (DISPLAY_VER(dev_priv) >= 12 &&
10cf8e75
VS
360 (dfsm & TGL_DFSM_PIPE_D_DISABLE)) {
361 info->pipe_mask &= ~BIT(PIPE_D);
362 info->cpu_transcoder_mask &= ~BIT(TRANSCODER_D);
363 }
74393109
JRS
364
365 if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
366 info->display.has_hdcp = 0;
7a40aac1
JRS
367
368 if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
369 info->display.has_fbc = 0;
ee595888 370
4fd17728 371 if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE))
ec2b1485 372 info->display.has_dmc = 0;
0f9ed3b2 373
4fd17728 374 if (DISPLAY_VER(dev_priv) >= 10 &&
a4d082fc 375 (dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
0f9ed3b2 376 info->display.has_dsc = 0;
94b4f3ba
CW
377 }
378
651e7d48 379 if (GRAPHICS_VER(dev_priv) == 6 && intel_vtd_active()) {
68b32717
WK
380 drm_info(&dev_priv->drm,
381 "Disabling ppGTT for VT-d support\n");
cbecbcca 382 info->ppgtt_type = INTEL_PPGTT_NONE;
4bdafb9d
CW
383 }
384
b04002f4
CW
385 runtime->rawclk_freq = intel_read_rawclk(dev_priv);
386 drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq);
387
5e0e390d
JN
388 if (!HAS_DISPLAY(dev_priv)) {
389 dev_priv->drm.driver_features &= ~(DRIVER_MODESET |
390 DRIVER_ATOMIC);
391 memset(&info->display, 0, sizeof(info->display));
392 memset(runtime->num_sprites, 0, sizeof(runtime->num_sprites));
393 memset(runtime->num_scalers, 0, sizeof(runtime->num_scalers));
394 }
94b4f3ba 395}
3fed1808
CW
396
397void intel_driver_caps_print(const struct intel_driver_caps *caps,
398 struct drm_printer *p)
399{
481827b4
CW
400 drm_printf(p, "Has logical contexts? %s\n",
401 yesno(caps->has_logical_contexts));
3fed1808
CW
402 drm_printf(p, "scheduler: %x\n", caps->scheduler);
403}