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 
25 #include <linux/string_helpers.h>
26 
27 #include <drm/drm_print.h>
28 #include <drm/i915_pciids.h>
29 
30 #include "display/intel_cdclk.h"
31 #include "display/intel_de.h"
32 #include "gt/intel_gt_regs.h"
33 #include "i915_drv.h"
34 #include "i915_reg.h"
35 #include "i915_utils.h"
36 #include "intel_device_info.h"
37 
38 #define PLATFORM_NAME(x) [INTEL_##x] = #x
39 static const char * const platform_names[] = {
40 	PLATFORM_NAME(I830),
41 	PLATFORM_NAME(I845G),
42 	PLATFORM_NAME(I85X),
43 	PLATFORM_NAME(I865G),
44 	PLATFORM_NAME(I915G),
45 	PLATFORM_NAME(I915GM),
46 	PLATFORM_NAME(I945G),
47 	PLATFORM_NAME(I945GM),
48 	PLATFORM_NAME(G33),
49 	PLATFORM_NAME(PINEVIEW),
50 	PLATFORM_NAME(I965G),
51 	PLATFORM_NAME(I965GM),
52 	PLATFORM_NAME(G45),
53 	PLATFORM_NAME(GM45),
54 	PLATFORM_NAME(IRONLAKE),
55 	PLATFORM_NAME(SANDYBRIDGE),
56 	PLATFORM_NAME(IVYBRIDGE),
57 	PLATFORM_NAME(VALLEYVIEW),
58 	PLATFORM_NAME(HASWELL),
59 	PLATFORM_NAME(BROADWELL),
60 	PLATFORM_NAME(CHERRYVIEW),
61 	PLATFORM_NAME(SKYLAKE),
62 	PLATFORM_NAME(BROXTON),
63 	PLATFORM_NAME(KABYLAKE),
64 	PLATFORM_NAME(GEMINILAKE),
65 	PLATFORM_NAME(COFFEELAKE),
66 	PLATFORM_NAME(COMETLAKE),
67 	PLATFORM_NAME(ICELAKE),
68 	PLATFORM_NAME(ELKHARTLAKE),
69 	PLATFORM_NAME(JASPERLAKE),
70 	PLATFORM_NAME(TIGERLAKE),
71 	PLATFORM_NAME(ROCKETLAKE),
72 	PLATFORM_NAME(DG1),
73 	PLATFORM_NAME(ALDERLAKE_S),
74 	PLATFORM_NAME(ALDERLAKE_P),
75 	PLATFORM_NAME(XEHPSDV),
76 	PLATFORM_NAME(DG2),
77 	PLATFORM_NAME(PONTEVECCHIO),
78 	PLATFORM_NAME(METEORLAKE),
79 };
80 #undef PLATFORM_NAME
81 
82 const char *intel_platform_name(enum intel_platform platform)
83 {
84 	BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS);
85 
86 	if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) ||
87 			 platform_names[platform] == NULL))
88 		return "<unknown>";
89 
90 	return platform_names[platform];
91 }
92 
93 void intel_device_info_print(const struct intel_device_info *info,
94 			     const struct intel_runtime_info *runtime,
95 			     struct drm_printer *p)
96 {
97 	if (runtime->graphics.ip.rel)
98 		drm_printf(p, "graphics version: %u.%02u\n",
99 			   runtime->graphics.ip.ver,
100 			   runtime->graphics.ip.rel);
101 	else
102 		drm_printf(p, "graphics version: %u\n",
103 			   runtime->graphics.ip.ver);
104 
105 	if (runtime->media.ip.rel)
106 		drm_printf(p, "media version: %u.%02u\n",
107 			   runtime->media.ip.ver,
108 			   runtime->media.ip.rel);
109 	else
110 		drm_printf(p, "media version: %u\n",
111 			   runtime->media.ip.ver);
112 
113 	if (runtime->display.ip.rel)
114 		drm_printf(p, "display version: %u.%02u\n",
115 			   runtime->display.ip.ver,
116 			   runtime->display.ip.rel);
117 	else
118 		drm_printf(p, "display version: %u\n",
119 			   runtime->display.ip.ver);
120 
121 	drm_printf(p, "gt: %d\n", info->gt);
122 	drm_printf(p, "memory-regions: %x\n", runtime->memory_regions);
123 	drm_printf(p, "page-sizes: %x\n", runtime->page_sizes);
124 	drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
125 	drm_printf(p, "ppgtt-size: %d\n", runtime->ppgtt_size);
126 	drm_printf(p, "ppgtt-type: %d\n", runtime->ppgtt_type);
127 	drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);
128 
129 #define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name))
130 	DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
131 #undef PRINT_FLAG
132 
133 	drm_printf(p, "has_pooled_eu: %s\n", str_yes_no(runtime->has_pooled_eu));
134 
135 #define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->display.name))
136 	DEV_INFO_DISPLAY_FOR_EACH_FLAG(PRINT_FLAG);
137 #undef PRINT_FLAG
138 
139 	drm_printf(p, "has_hdcp: %s\n", str_yes_no(runtime->has_hdcp));
140 	drm_printf(p, "has_dmc: %s\n", str_yes_no(runtime->has_dmc));
141 	drm_printf(p, "has_dsc: %s\n", str_yes_no(runtime->has_dsc));
142 
143 	drm_printf(p, "rawclk rate: %u kHz\n", runtime->rawclk_freq);
144 }
145 
146 #undef INTEL_VGA_DEVICE
147 #define INTEL_VGA_DEVICE(id, info) (id)
148 
149 static const u16 subplatform_ult_ids[] = {
150 	INTEL_HSW_ULT_GT1_IDS(0),
151 	INTEL_HSW_ULT_GT2_IDS(0),
152 	INTEL_HSW_ULT_GT3_IDS(0),
153 	INTEL_BDW_ULT_GT1_IDS(0),
154 	INTEL_BDW_ULT_GT2_IDS(0),
155 	INTEL_BDW_ULT_GT3_IDS(0),
156 	INTEL_BDW_ULT_RSVD_IDS(0),
157 	INTEL_SKL_ULT_GT1_IDS(0),
158 	INTEL_SKL_ULT_GT2_IDS(0),
159 	INTEL_SKL_ULT_GT3_IDS(0),
160 	INTEL_KBL_ULT_GT1_IDS(0),
161 	INTEL_KBL_ULT_GT2_IDS(0),
162 	INTEL_KBL_ULT_GT3_IDS(0),
163 	INTEL_CFL_U_GT2_IDS(0),
164 	INTEL_CFL_U_GT3_IDS(0),
165 	INTEL_WHL_U_GT1_IDS(0),
166 	INTEL_WHL_U_GT2_IDS(0),
167 	INTEL_WHL_U_GT3_IDS(0),
168 	INTEL_CML_U_GT1_IDS(0),
169 	INTEL_CML_U_GT2_IDS(0),
170 };
171 
172 static const u16 subplatform_ulx_ids[] = {
173 	INTEL_HSW_ULX_GT1_IDS(0),
174 	INTEL_HSW_ULX_GT2_IDS(0),
175 	INTEL_BDW_ULX_GT1_IDS(0),
176 	INTEL_BDW_ULX_GT2_IDS(0),
177 	INTEL_BDW_ULX_GT3_IDS(0),
178 	INTEL_BDW_ULX_RSVD_IDS(0),
179 	INTEL_SKL_ULX_GT1_IDS(0),
180 	INTEL_SKL_ULX_GT2_IDS(0),
181 	INTEL_KBL_ULX_GT1_IDS(0),
182 	INTEL_KBL_ULX_GT2_IDS(0),
183 	INTEL_AML_KBL_GT2_IDS(0),
184 	INTEL_AML_CFL_GT2_IDS(0),
185 };
186 
187 static const u16 subplatform_portf_ids[] = {
188 	INTEL_ICL_PORT_F_IDS(0),
189 };
190 
191 static const u16 subplatform_uy_ids[] = {
192 	INTEL_TGL_12_GT2_IDS(0),
193 };
194 
195 static const u16 subplatform_n_ids[] = {
196 	INTEL_ADLN_IDS(0),
197 };
198 
199 static const u16 subplatform_rpl_ids[] = {
200 	INTEL_RPLS_IDS(0),
201 	INTEL_RPLP_IDS(0),
202 };
203 
204 static const u16 subplatform_g10_ids[] = {
205 	INTEL_DG2_G10_IDS(0),
206 	INTEL_ATS_M150_IDS(0),
207 };
208 
209 static const u16 subplatform_g11_ids[] = {
210 	INTEL_DG2_G11_IDS(0),
211 	INTEL_ATS_M75_IDS(0),
212 };
213 
214 static const u16 subplatform_g12_ids[] = {
215 	INTEL_DG2_G12_IDS(0),
216 };
217 
218 static const u16 subplatform_m_ids[] = {
219 	INTEL_MTL_M_IDS(0),
220 };
221 
222 static const u16 subplatform_p_ids[] = {
223 	INTEL_MTL_P_IDS(0),
224 };
225 
226 static bool find_devid(u16 id, const u16 *p, unsigned int num)
227 {
228 	for (; num; num--, p++) {
229 		if (*p == id)
230 			return true;
231 	}
232 
233 	return false;
234 }
235 
236 static void intel_device_info_subplatform_init(struct drm_i915_private *i915)
237 {
238 	const struct intel_device_info *info = INTEL_INFO(i915);
239 	const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915);
240 	const unsigned int pi = __platform_mask_index(rinfo, info->platform);
241 	const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
242 	u16 devid = INTEL_DEVID(i915);
243 	u32 mask = 0;
244 
245 	/* Make sure IS_<platform> checks are working. */
246 	RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);
247 
248 	/* Find and mark subplatform bits based on the PCI device id. */
249 	if (find_devid(devid, subplatform_ult_ids,
250 		       ARRAY_SIZE(subplatform_ult_ids))) {
251 		mask = BIT(INTEL_SUBPLATFORM_ULT);
252 	} else if (find_devid(devid, subplatform_ulx_ids,
253 			      ARRAY_SIZE(subplatform_ulx_ids))) {
254 		mask = BIT(INTEL_SUBPLATFORM_ULX);
255 		if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
256 			/* ULX machines are also considered ULT. */
257 			mask |= BIT(INTEL_SUBPLATFORM_ULT);
258 		}
259 	} else if (find_devid(devid, subplatform_portf_ids,
260 			      ARRAY_SIZE(subplatform_portf_ids))) {
261 		mask = BIT(INTEL_SUBPLATFORM_PORTF);
262 	} else if (find_devid(devid, subplatform_uy_ids,
263 			   ARRAY_SIZE(subplatform_uy_ids))) {
264 		mask = BIT(INTEL_SUBPLATFORM_UY);
265 	} else if (find_devid(devid, subplatform_n_ids,
266 				ARRAY_SIZE(subplatform_n_ids))) {
267 		mask = BIT(INTEL_SUBPLATFORM_N);
268 	} else if (find_devid(devid, subplatform_rpl_ids,
269 			      ARRAY_SIZE(subplatform_rpl_ids))) {
270 		mask = BIT(INTEL_SUBPLATFORM_RPL);
271 	} else if (find_devid(devid, subplatform_g10_ids,
272 			      ARRAY_SIZE(subplatform_g10_ids))) {
273 		mask = BIT(INTEL_SUBPLATFORM_G10);
274 	} else if (find_devid(devid, subplatform_g11_ids,
275 			      ARRAY_SIZE(subplatform_g11_ids))) {
276 		mask = BIT(INTEL_SUBPLATFORM_G11);
277 	} else if (find_devid(devid, subplatform_g12_ids,
278 			      ARRAY_SIZE(subplatform_g12_ids))) {
279 		mask = BIT(INTEL_SUBPLATFORM_G12);
280 	} else if (find_devid(devid, subplatform_m_ids,
281 			      ARRAY_SIZE(subplatform_m_ids))) {
282 		mask = BIT(INTEL_SUBPLATFORM_M);
283 	} else if (find_devid(devid, subplatform_p_ids,
284 			      ARRAY_SIZE(subplatform_p_ids))) {
285 		mask = BIT(INTEL_SUBPLATFORM_P);
286 	}
287 
288 	GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);
289 
290 	RUNTIME_INFO(i915)->platform_mask[pi] |= mask;
291 }
292 
293 static void ip_ver_read(struct drm_i915_private *i915, u32 offset, struct intel_ip_version *ip)
294 {
295 	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
296 	void __iomem *addr;
297 	u32 val;
298 	u8 expected_ver = ip->ver;
299 	u8 expected_rel = ip->rel;
300 
301 	addr = pci_iomap_range(pdev, 0, offset, sizeof(u32));
302 	if (drm_WARN_ON(&i915->drm, !addr))
303 		return;
304 
305 	val = ioread32(addr);
306 	pci_iounmap(pdev, addr);
307 
308 	ip->ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val);
309 	ip->rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val);
310 	ip->step = REG_FIELD_GET(GMD_ID_STEP, val);
311 
312 	/* Sanity check against expected versions from device info */
313 	if (IP_VER(ip->ver, ip->rel) < IP_VER(expected_ver, expected_rel))
314 		drm_dbg(&i915->drm,
315 			"Hardware reports GMD IP version %u.%u (REG[0x%x] = 0x%08x) but minimum expected is %u.%u\n",
316 			ip->ver, ip->rel, offset, val, expected_ver, expected_rel);
317 }
318 
319 /*
320  * Setup the graphics version for the current device.  This must be done before
321  * any code that performs checks on GRAPHICS_VER or DISPLAY_VER, so this
322  * function should be called very early in the driver initialization sequence.
323  *
324  * Regular MMIO access is not yet setup at the point this function is called so
325  * we peek at the appropriate MMIO offset directly.  The GMD_ID register is
326  * part of an 'always on' power well by design, so we don't need to worry about
327  * forcewake while reading it.
328  */
329 static void intel_ipver_early_init(struct drm_i915_private *i915)
330 {
331 	struct intel_runtime_info *runtime = RUNTIME_INFO(i915);
332 
333 	if (!HAS_GMD_ID(i915)) {
334 		drm_WARN_ON(&i915->drm, RUNTIME_INFO(i915)->graphics.ip.ver > 12);
335 		/*
336 		 * On older platforms, graphics and media share the same ip
337 		 * version and release.
338 		 */
339 		RUNTIME_INFO(i915)->media.ip =
340 			RUNTIME_INFO(i915)->graphics.ip;
341 		return;
342 	}
343 
344 	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_GRAPHICS),
345 		    &runtime->graphics.ip);
346 	/* Wa_22012778468 */
347 	if (runtime->graphics.ip.ver == 0x0 &&
348 	    INTEL_INFO(i915)->platform == INTEL_METEORLAKE) {
349 		RUNTIME_INFO(i915)->graphics.ip.ver = 12;
350 		RUNTIME_INFO(i915)->graphics.ip.rel = 70;
351 	}
352 	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_DISPLAY),
353 		    &runtime->display.ip);
354 	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_MEDIA),
355 		    &runtime->media.ip);
356 }
357 
358 /**
359  * intel_device_info_runtime_init_early - initialize early runtime info
360  * @i915: the i915 device
361  *
362  * Determine early intel_device_info fields at runtime. This function needs
363  * to be called before the MMIO has been setup.
364  */
365 void intel_device_info_runtime_init_early(struct drm_i915_private *i915)
366 {
367 	intel_ipver_early_init(i915);
368 	intel_device_info_subplatform_init(i915);
369 }
370 
371 /**
372  * intel_device_info_runtime_init - initialize runtime info
373  * @dev_priv: the i915 device
374  *
375  * Determine various intel_device_info fields at runtime.
376  *
377  * Use it when either:
378  *   - it's judged too laborious to fill n static structures with the limit
379  *     when a simple if statement does the job,
380  *   - run-time checks (eg read fuse/strap registers) are needed.
381  *
382  * This function needs to be called:
383  *   - after the MMIO has been setup as we are reading registers,
384  *   - after the PCH has been detected,
385  *   - before the first usage of the fields it can tweak.
386  */
387 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
388 {
389 	struct intel_device_info *info = mkwrite_device_info(dev_priv);
390 	struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);
391 	enum pipe pipe;
392 
393 	/* Wa_14011765242: adl-s A0,A1 */
394 	if (IS_ADLS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A2))
395 		for_each_pipe(dev_priv, pipe)
396 			runtime->num_scalers[pipe] = 0;
397 	else if (DISPLAY_VER(dev_priv) >= 11) {
398 		for_each_pipe(dev_priv, pipe)
399 			runtime->num_scalers[pipe] = 2;
400 	} else if (DISPLAY_VER(dev_priv) >= 9) {
401 		runtime->num_scalers[PIPE_A] = 2;
402 		runtime->num_scalers[PIPE_B] = 2;
403 		runtime->num_scalers[PIPE_C] = 1;
404 	}
405 
406 	BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);
407 
408 	if (DISPLAY_VER(dev_priv) >= 13 || HAS_D12_PLANE_MINIMIZATION(dev_priv))
409 		for_each_pipe(dev_priv, pipe)
410 			runtime->num_sprites[pipe] = 4;
411 	else if (DISPLAY_VER(dev_priv) >= 11)
412 		for_each_pipe(dev_priv, pipe)
413 			runtime->num_sprites[pipe] = 6;
414 	else if (DISPLAY_VER(dev_priv) == 10)
415 		for_each_pipe(dev_priv, pipe)
416 			runtime->num_sprites[pipe] = 3;
417 	else if (IS_BROXTON(dev_priv)) {
418 		/*
419 		 * Skylake and Broxton currently don't expose the topmost plane as its
420 		 * use is exclusive with the legacy cursor and we only want to expose
421 		 * one of those, not both. Until we can safely expose the topmost plane
422 		 * as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
423 		 * we don't expose the topmost plane at all to prevent ABI breakage
424 		 * down the line.
425 		 */
426 
427 		runtime->num_sprites[PIPE_A] = 2;
428 		runtime->num_sprites[PIPE_B] = 2;
429 		runtime->num_sprites[PIPE_C] = 1;
430 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
431 		for_each_pipe(dev_priv, pipe)
432 			runtime->num_sprites[pipe] = 2;
433 	} else if (DISPLAY_VER(dev_priv) >= 5 || IS_G4X(dev_priv)) {
434 		for_each_pipe(dev_priv, pipe)
435 			runtime->num_sprites[pipe] = 1;
436 	}
437 
438 	if (HAS_DISPLAY(dev_priv) && IS_GRAPHICS_VER(dev_priv, 7, 8) &&
439 	    HAS_PCH_SPLIT(dev_priv)) {
440 		u32 fuse_strap = intel_de_read(dev_priv, FUSE_STRAP);
441 		u32 sfuse_strap = intel_de_read(dev_priv, SFUSE_STRAP);
442 
443 		/*
444 		 * SFUSE_STRAP is supposed to have a bit signalling the display
445 		 * is fused off. Unfortunately it seems that, at least in
446 		 * certain cases, fused off display means that PCH display
447 		 * reads don't land anywhere. In that case, we read 0s.
448 		 *
449 		 * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
450 		 * should be set when taking over after the firmware.
451 		 */
452 		if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
453 		    sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
454 		    (HAS_PCH_CPT(dev_priv) &&
455 		     !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
456 			drm_info(&dev_priv->drm,
457 				 "Display fused off, disabling\n");
458 			runtime->pipe_mask = 0;
459 			runtime->cpu_transcoder_mask = 0;
460 			runtime->fbc_mask = 0;
461 		} else if (fuse_strap & IVB_PIPE_C_DISABLE) {
462 			drm_info(&dev_priv->drm, "PipeC fused off\n");
463 			runtime->pipe_mask &= ~BIT(PIPE_C);
464 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
465 		}
466 	} else if (HAS_DISPLAY(dev_priv) && DISPLAY_VER(dev_priv) >= 9) {
467 		u32 dfsm = intel_de_read(dev_priv, SKL_DFSM);
468 
469 		if (dfsm & SKL_DFSM_PIPE_A_DISABLE) {
470 			runtime->pipe_mask &= ~BIT(PIPE_A);
471 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_A);
472 			runtime->fbc_mask &= ~BIT(INTEL_FBC_A);
473 		}
474 		if (dfsm & SKL_DFSM_PIPE_B_DISABLE) {
475 			runtime->pipe_mask &= ~BIT(PIPE_B);
476 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_B);
477 		}
478 		if (dfsm & SKL_DFSM_PIPE_C_DISABLE) {
479 			runtime->pipe_mask &= ~BIT(PIPE_C);
480 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
481 		}
482 
483 		if (DISPLAY_VER(dev_priv) >= 12 &&
484 		    (dfsm & TGL_DFSM_PIPE_D_DISABLE)) {
485 			runtime->pipe_mask &= ~BIT(PIPE_D);
486 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_D);
487 		}
488 
489 		if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
490 			runtime->has_hdcp = 0;
491 
492 		if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
493 			runtime->fbc_mask = 0;
494 
495 		if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE))
496 			runtime->has_dmc = 0;
497 
498 		if (IS_DISPLAY_VER(dev_priv, 10, 12) &&
499 		    (dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
500 			runtime->has_dsc = 0;
501 	}
502 
503 	if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) {
504 		drm_info(&dev_priv->drm,
505 			 "Disabling ppGTT for VT-d support\n");
506 		runtime->ppgtt_type = INTEL_PPGTT_NONE;
507 	}
508 
509 	runtime->rawclk_freq = intel_read_rawclk(dev_priv);
510 	drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq);
511 
512 	if (!HAS_DISPLAY(dev_priv)) {
513 		dev_priv->drm.driver_features &= ~(DRIVER_MODESET |
514 						   DRIVER_ATOMIC);
515 		memset(&info->display, 0, sizeof(info->display));
516 
517 		runtime->cpu_transcoder_mask = 0;
518 		memset(runtime->num_sprites, 0, sizeof(runtime->num_sprites));
519 		memset(runtime->num_scalers, 0, sizeof(runtime->num_scalers));
520 		runtime->fbc_mask = 0;
521 		runtime->has_hdcp = false;
522 		runtime->has_dmc = false;
523 		runtime->has_dsc = false;
524 	}
525 
526 	/* Disable nuclear pageflip by default on pre-g4x */
527 	if (!dev_priv->params.nuclear_pageflip &&
528 	    DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv))
529 		dev_priv->drm.driver_features &= ~DRIVER_ATOMIC;
530 }
531 
532 void intel_driver_caps_print(const struct intel_driver_caps *caps,
533 			     struct drm_printer *p)
534 {
535 	drm_printf(p, "Has logical contexts? %s\n",
536 		   str_yes_no(caps->has_logical_contexts));
537 	drm_printf(p, "scheduler: %x\n", caps->scheduler);
538 }
539