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 "display/intel_display.h"
33 #include "gt/intel_gt_regs.h"
34 #include "i915_drv.h"
35 #include "i915_reg.h"
36 #include "i915_utils.h"
37 #include "intel_device_info.h"
38 
39 #define PLATFORM_NAME(x) [INTEL_##x] = #x
40 static const char * const platform_names[] = {
41 	PLATFORM_NAME(I830),
42 	PLATFORM_NAME(I845G),
43 	PLATFORM_NAME(I85X),
44 	PLATFORM_NAME(I865G),
45 	PLATFORM_NAME(I915G),
46 	PLATFORM_NAME(I915GM),
47 	PLATFORM_NAME(I945G),
48 	PLATFORM_NAME(I945GM),
49 	PLATFORM_NAME(G33),
50 	PLATFORM_NAME(PINEVIEW),
51 	PLATFORM_NAME(I965G),
52 	PLATFORM_NAME(I965GM),
53 	PLATFORM_NAME(G45),
54 	PLATFORM_NAME(GM45),
55 	PLATFORM_NAME(IRONLAKE),
56 	PLATFORM_NAME(SANDYBRIDGE),
57 	PLATFORM_NAME(IVYBRIDGE),
58 	PLATFORM_NAME(VALLEYVIEW),
59 	PLATFORM_NAME(HASWELL),
60 	PLATFORM_NAME(BROADWELL),
61 	PLATFORM_NAME(CHERRYVIEW),
62 	PLATFORM_NAME(SKYLAKE),
63 	PLATFORM_NAME(BROXTON),
64 	PLATFORM_NAME(KABYLAKE),
65 	PLATFORM_NAME(GEMINILAKE),
66 	PLATFORM_NAME(COFFEELAKE),
67 	PLATFORM_NAME(COMETLAKE),
68 	PLATFORM_NAME(ICELAKE),
69 	PLATFORM_NAME(ELKHARTLAKE),
70 	PLATFORM_NAME(JASPERLAKE),
71 	PLATFORM_NAME(TIGERLAKE),
72 	PLATFORM_NAME(ROCKETLAKE),
73 	PLATFORM_NAME(DG1),
74 	PLATFORM_NAME(ALDERLAKE_S),
75 	PLATFORM_NAME(ALDERLAKE_P),
76 	PLATFORM_NAME(XEHPSDV),
77 	PLATFORM_NAME(DG2),
78 	PLATFORM_NAME(PONTEVECCHIO),
79 	PLATFORM_NAME(METEORLAKE),
80 };
81 #undef PLATFORM_NAME
82 
intel_platform_name(enum intel_platform platform)83 const char *intel_platform_name(enum intel_platform platform)
84 {
85 	BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS);
86 
87 	if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) ||
88 			 platform_names[platform] == NULL))
89 		return "<unknown>";
90 
91 	return platform_names[platform];
92 }
93 
intel_device_info_print(const struct intel_device_info * info,const struct intel_runtime_info * runtime,struct drm_printer * p)94 void intel_device_info_print(const struct intel_device_info *info,
95 			     const struct intel_runtime_info *runtime,
96 			     struct drm_printer *p)
97 {
98 	if (runtime->graphics.ip.rel)
99 		drm_printf(p, "graphics version: %u.%02u\n",
100 			   runtime->graphics.ip.ver,
101 			   runtime->graphics.ip.rel);
102 	else
103 		drm_printf(p, "graphics version: %u\n",
104 			   runtime->graphics.ip.ver);
105 
106 	if (runtime->media.ip.rel)
107 		drm_printf(p, "media version: %u.%02u\n",
108 			   runtime->media.ip.ver,
109 			   runtime->media.ip.rel);
110 	else
111 		drm_printf(p, "media version: %u\n",
112 			   runtime->media.ip.ver);
113 
114 	if (runtime->display.ip.rel)
115 		drm_printf(p, "display version: %u.%02u\n",
116 			   runtime->display.ip.ver,
117 			   runtime->display.ip.rel);
118 	else
119 		drm_printf(p, "display version: %u\n",
120 			   runtime->display.ip.ver);
121 
122 	drm_printf(p, "gt: %d\n", info->gt);
123 	drm_printf(p, "memory-regions: %x\n", runtime->memory_regions);
124 	drm_printf(p, "page-sizes: %x\n", runtime->page_sizes);
125 	drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
126 	drm_printf(p, "ppgtt-size: %d\n", runtime->ppgtt_size);
127 	drm_printf(p, "ppgtt-type: %d\n", runtime->ppgtt_type);
128 	drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);
129 
130 #define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name))
131 	DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
132 #undef PRINT_FLAG
133 
134 	drm_printf(p, "has_pooled_eu: %s\n", str_yes_no(runtime->has_pooled_eu));
135 
136 #define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->display.name))
137 	DEV_INFO_DISPLAY_FOR_EACH_FLAG(PRINT_FLAG);
138 #undef PRINT_FLAG
139 
140 	drm_printf(p, "has_hdcp: %s\n", str_yes_no(runtime->has_hdcp));
141 	drm_printf(p, "has_dmc: %s\n", str_yes_no(runtime->has_dmc));
142 	drm_printf(p, "has_dsc: %s\n", str_yes_no(runtime->has_dsc));
143 
144 	drm_printf(p, "rawclk rate: %u kHz\n", runtime->rawclk_freq);
145 }
146 
147 #undef INTEL_VGA_DEVICE
148 #define INTEL_VGA_DEVICE(id, info) (id)
149 
150 static const u16 subplatform_ult_ids[] = {
151 	INTEL_HSW_ULT_GT1_IDS(0),
152 	INTEL_HSW_ULT_GT2_IDS(0),
153 	INTEL_HSW_ULT_GT3_IDS(0),
154 	INTEL_BDW_ULT_GT1_IDS(0),
155 	INTEL_BDW_ULT_GT2_IDS(0),
156 	INTEL_BDW_ULT_GT3_IDS(0),
157 	INTEL_BDW_ULT_RSVD_IDS(0),
158 	INTEL_SKL_ULT_GT1_IDS(0),
159 	INTEL_SKL_ULT_GT2_IDS(0),
160 	INTEL_SKL_ULT_GT3_IDS(0),
161 	INTEL_KBL_ULT_GT1_IDS(0),
162 	INTEL_KBL_ULT_GT2_IDS(0),
163 	INTEL_KBL_ULT_GT3_IDS(0),
164 	INTEL_CFL_U_GT2_IDS(0),
165 	INTEL_CFL_U_GT3_IDS(0),
166 	INTEL_WHL_U_GT1_IDS(0),
167 	INTEL_WHL_U_GT2_IDS(0),
168 	INTEL_WHL_U_GT3_IDS(0),
169 	INTEL_CML_U_GT1_IDS(0),
170 	INTEL_CML_U_GT2_IDS(0),
171 };
172 
173 static const u16 subplatform_ulx_ids[] = {
174 	INTEL_HSW_ULX_GT1_IDS(0),
175 	INTEL_HSW_ULX_GT2_IDS(0),
176 	INTEL_BDW_ULX_GT1_IDS(0),
177 	INTEL_BDW_ULX_GT2_IDS(0),
178 	INTEL_BDW_ULX_GT3_IDS(0),
179 	INTEL_BDW_ULX_RSVD_IDS(0),
180 	INTEL_SKL_ULX_GT1_IDS(0),
181 	INTEL_SKL_ULX_GT2_IDS(0),
182 	INTEL_KBL_ULX_GT1_IDS(0),
183 	INTEL_KBL_ULX_GT2_IDS(0),
184 	INTEL_AML_KBL_GT2_IDS(0),
185 	INTEL_AML_CFL_GT2_IDS(0),
186 };
187 
188 static const u16 subplatform_portf_ids[] = {
189 	INTEL_ICL_PORT_F_IDS(0),
190 };
191 
192 static const u16 subplatform_uy_ids[] = {
193 	INTEL_TGL_12_GT2_IDS(0),
194 };
195 
196 static const u16 subplatform_n_ids[] = {
197 	INTEL_ADLN_IDS(0),
198 };
199 
200 static const u16 subplatform_rpl_ids[] = {
201 	INTEL_RPLS_IDS(0),
202 	INTEL_RPLP_IDS(0),
203 };
204 
205 static const u16 subplatform_g10_ids[] = {
206 	INTEL_DG2_G10_IDS(0),
207 	INTEL_ATS_M150_IDS(0),
208 };
209 
210 static const u16 subplatform_g11_ids[] = {
211 	INTEL_DG2_G11_IDS(0),
212 	INTEL_ATS_M75_IDS(0),
213 };
214 
215 static const u16 subplatform_g12_ids[] = {
216 	INTEL_DG2_G12_IDS(0),
217 };
218 
219 static const u16 subplatform_m_ids[] = {
220 	INTEL_MTL_M_IDS(0),
221 };
222 
223 static const u16 subplatform_p_ids[] = {
224 	INTEL_MTL_P_IDS(0),
225 };
226 
find_devid(u16 id,const u16 * p,unsigned int num)227 static bool find_devid(u16 id, const u16 *p, unsigned int num)
228 {
229 	for (; num; num--, p++) {
230 		if (*p == id)
231 			return true;
232 	}
233 
234 	return false;
235 }
236 
intel_device_info_subplatform_init(struct drm_i915_private * i915)237 static void intel_device_info_subplatform_init(struct drm_i915_private *i915)
238 {
239 	const struct intel_device_info *info = INTEL_INFO(i915);
240 	const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915);
241 	const unsigned int pi = __platform_mask_index(rinfo, info->platform);
242 	const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
243 	u16 devid = INTEL_DEVID(i915);
244 	u32 mask = 0;
245 
246 	/* Make sure IS_<platform> checks are working. */
247 	RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);
248 
249 	/* Find and mark subplatform bits based on the PCI device id. */
250 	if (find_devid(devid, subplatform_ult_ids,
251 		       ARRAY_SIZE(subplatform_ult_ids))) {
252 		mask = BIT(INTEL_SUBPLATFORM_ULT);
253 	} else if (find_devid(devid, subplatform_ulx_ids,
254 			      ARRAY_SIZE(subplatform_ulx_ids))) {
255 		mask = BIT(INTEL_SUBPLATFORM_ULX);
256 		if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
257 			/* ULX machines are also considered ULT. */
258 			mask |= BIT(INTEL_SUBPLATFORM_ULT);
259 		}
260 	} else if (find_devid(devid, subplatform_portf_ids,
261 			      ARRAY_SIZE(subplatform_portf_ids))) {
262 		mask = BIT(INTEL_SUBPLATFORM_PORTF);
263 	} else if (find_devid(devid, subplatform_uy_ids,
264 			   ARRAY_SIZE(subplatform_uy_ids))) {
265 		mask = BIT(INTEL_SUBPLATFORM_UY);
266 	} else if (find_devid(devid, subplatform_n_ids,
267 				ARRAY_SIZE(subplatform_n_ids))) {
268 		mask = BIT(INTEL_SUBPLATFORM_N);
269 	} else if (find_devid(devid, subplatform_rpl_ids,
270 			      ARRAY_SIZE(subplatform_rpl_ids))) {
271 		mask = BIT(INTEL_SUBPLATFORM_RPL);
272 	} else if (find_devid(devid, subplatform_g10_ids,
273 			      ARRAY_SIZE(subplatform_g10_ids))) {
274 		mask = BIT(INTEL_SUBPLATFORM_G10);
275 	} else if (find_devid(devid, subplatform_g11_ids,
276 			      ARRAY_SIZE(subplatform_g11_ids))) {
277 		mask = BIT(INTEL_SUBPLATFORM_G11);
278 	} else if (find_devid(devid, subplatform_g12_ids,
279 			      ARRAY_SIZE(subplatform_g12_ids))) {
280 		mask = BIT(INTEL_SUBPLATFORM_G12);
281 	} else if (find_devid(devid, subplatform_m_ids,
282 			      ARRAY_SIZE(subplatform_m_ids))) {
283 		mask = BIT(INTEL_SUBPLATFORM_M);
284 	} else if (find_devid(devid, subplatform_p_ids,
285 			      ARRAY_SIZE(subplatform_p_ids))) {
286 		mask = BIT(INTEL_SUBPLATFORM_P);
287 	}
288 
289 	GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);
290 
291 	RUNTIME_INFO(i915)->platform_mask[pi] |= mask;
292 }
293 
ip_ver_read(struct drm_i915_private * i915,u32 offset,struct intel_ip_version * ip)294 static void ip_ver_read(struct drm_i915_private *i915, u32 offset, struct intel_ip_version *ip)
295 {
296 	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
297 	void __iomem *addr;
298 	u32 val;
299 	u8 expected_ver = ip->ver;
300 	u8 expected_rel = ip->rel;
301 
302 	addr = pci_iomap_range(pdev, 0, offset, sizeof(u32));
303 	if (drm_WARN_ON(&i915->drm, !addr))
304 		return;
305 
306 	val = ioread32(addr);
307 	pci_iounmap(pdev, addr);
308 
309 	ip->ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val);
310 	ip->rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val);
311 	ip->step = REG_FIELD_GET(GMD_ID_STEP, val);
312 
313 	/* Sanity check against expected versions from device info */
314 	if (IP_VER(ip->ver, ip->rel) < IP_VER(expected_ver, expected_rel))
315 		drm_dbg(&i915->drm,
316 			"Hardware reports GMD IP version %u.%u (REG[0x%x] = 0x%08x) but minimum expected is %u.%u\n",
317 			ip->ver, ip->rel, offset, val, expected_ver, expected_rel);
318 }
319 
320 /*
321  * Setup the graphics version for the current device.  This must be done before
322  * any code that performs checks on GRAPHICS_VER or DISPLAY_VER, so this
323  * function should be called very early in the driver initialization sequence.
324  *
325  * Regular MMIO access is not yet setup at the point this function is called so
326  * we peek at the appropriate MMIO offset directly.  The GMD_ID register is
327  * part of an 'always on' power well by design, so we don't need to worry about
328  * forcewake while reading it.
329  */
intel_ipver_early_init(struct drm_i915_private * i915)330 static void intel_ipver_early_init(struct drm_i915_private *i915)
331 {
332 	struct intel_runtime_info *runtime = RUNTIME_INFO(i915);
333 
334 	if (!HAS_GMD_ID(i915)) {
335 		drm_WARN_ON(&i915->drm, RUNTIME_INFO(i915)->graphics.ip.ver > 12);
336 		/*
337 		 * On older platforms, graphics and media share the same ip
338 		 * version and release.
339 		 */
340 		RUNTIME_INFO(i915)->media.ip =
341 			RUNTIME_INFO(i915)->graphics.ip;
342 		return;
343 	}
344 
345 	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_GRAPHICS),
346 		    &runtime->graphics.ip);
347 	/* Wa_22012778468 */
348 	if (runtime->graphics.ip.ver == 0x0 &&
349 	    INTEL_INFO(i915)->platform == INTEL_METEORLAKE) {
350 		RUNTIME_INFO(i915)->graphics.ip.ver = 12;
351 		RUNTIME_INFO(i915)->graphics.ip.rel = 70;
352 	}
353 	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_DISPLAY),
354 		    &runtime->display.ip);
355 	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_MEDIA),
356 		    &runtime->media.ip);
357 }
358 
359 /**
360  * intel_device_info_runtime_init_early - initialize early runtime info
361  * @i915: the i915 device
362  *
363  * Determine early intel_device_info fields at runtime. This function needs
364  * to be called before the MMIO has been setup.
365  */
intel_device_info_runtime_init_early(struct drm_i915_private * i915)366 void intel_device_info_runtime_init_early(struct drm_i915_private *i915)
367 {
368 	intel_ipver_early_init(i915);
369 	intel_device_info_subplatform_init(i915);
370 }
371 
372 /**
373  * intel_device_info_runtime_init - initialize runtime info
374  * @dev_priv: the i915 device
375  *
376  * Determine various intel_device_info fields at runtime.
377  *
378  * Use it when either:
379  *   - it's judged too laborious to fill n static structures with the limit
380  *     when a simple if statement does the job,
381  *   - run-time checks (eg read fuse/strap registers) are needed.
382  *
383  * This function needs to be called:
384  *   - after the MMIO has been setup as we are reading registers,
385  *   - after the PCH has been detected,
386  *   - before the first usage of the fields it can tweak.
387  */
intel_device_info_runtime_init(struct drm_i915_private * dev_priv)388 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
389 {
390 	struct intel_device_info *info = mkwrite_device_info(dev_priv);
391 	struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);
392 	enum pipe pipe;
393 
394 	/* Wa_14011765242: adl-s A0,A1 */
395 	if (IS_ADLS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A2))
396 		for_each_pipe(dev_priv, pipe)
397 			runtime->num_scalers[pipe] = 0;
398 	else if (DISPLAY_VER(dev_priv) >= 11) {
399 		for_each_pipe(dev_priv, pipe)
400 			runtime->num_scalers[pipe] = 2;
401 	} else if (DISPLAY_VER(dev_priv) >= 9) {
402 		runtime->num_scalers[PIPE_A] = 2;
403 		runtime->num_scalers[PIPE_B] = 2;
404 		runtime->num_scalers[PIPE_C] = 1;
405 	}
406 
407 	BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);
408 
409 	if (DISPLAY_VER(dev_priv) >= 13 || HAS_D12_PLANE_MINIMIZATION(dev_priv))
410 		for_each_pipe(dev_priv, pipe)
411 			runtime->num_sprites[pipe] = 4;
412 	else if (DISPLAY_VER(dev_priv) >= 11)
413 		for_each_pipe(dev_priv, pipe)
414 			runtime->num_sprites[pipe] = 6;
415 	else if (DISPLAY_VER(dev_priv) == 10)
416 		for_each_pipe(dev_priv, pipe)
417 			runtime->num_sprites[pipe] = 3;
418 	else if (IS_BROXTON(dev_priv)) {
419 		/*
420 		 * Skylake and Broxton currently don't expose the topmost plane as its
421 		 * use is exclusive with the legacy cursor and we only want to expose
422 		 * one of those, not both. Until we can safely expose the topmost plane
423 		 * as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
424 		 * we don't expose the topmost plane at all to prevent ABI breakage
425 		 * down the line.
426 		 */
427 
428 		runtime->num_sprites[PIPE_A] = 2;
429 		runtime->num_sprites[PIPE_B] = 2;
430 		runtime->num_sprites[PIPE_C] = 1;
431 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
432 		for_each_pipe(dev_priv, pipe)
433 			runtime->num_sprites[pipe] = 2;
434 	} else if (DISPLAY_VER(dev_priv) >= 5 || IS_G4X(dev_priv)) {
435 		for_each_pipe(dev_priv, pipe)
436 			runtime->num_sprites[pipe] = 1;
437 	}
438 
439 	if (HAS_DISPLAY(dev_priv) && IS_GRAPHICS_VER(dev_priv, 7, 8) &&
440 	    HAS_PCH_SPLIT(dev_priv)) {
441 		u32 fuse_strap = intel_de_read(dev_priv, FUSE_STRAP);
442 		u32 sfuse_strap = intel_de_read(dev_priv, SFUSE_STRAP);
443 
444 		/*
445 		 * SFUSE_STRAP is supposed to have a bit signalling the display
446 		 * is fused off. Unfortunately it seems that, at least in
447 		 * certain cases, fused off display means that PCH display
448 		 * reads don't land anywhere. In that case, we read 0s.
449 		 *
450 		 * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
451 		 * should be set when taking over after the firmware.
452 		 */
453 		if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
454 		    sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
455 		    (HAS_PCH_CPT(dev_priv) &&
456 		     !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
457 			drm_info(&dev_priv->drm,
458 				 "Display fused off, disabling\n");
459 			runtime->pipe_mask = 0;
460 			runtime->cpu_transcoder_mask = 0;
461 			runtime->fbc_mask = 0;
462 		} else if (fuse_strap & IVB_PIPE_C_DISABLE) {
463 			drm_info(&dev_priv->drm, "PipeC fused off\n");
464 			runtime->pipe_mask &= ~BIT(PIPE_C);
465 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
466 		}
467 	} else if (HAS_DISPLAY(dev_priv) && DISPLAY_VER(dev_priv) >= 9) {
468 		u32 dfsm = intel_de_read(dev_priv, SKL_DFSM);
469 
470 		if (dfsm & SKL_DFSM_PIPE_A_DISABLE) {
471 			runtime->pipe_mask &= ~BIT(PIPE_A);
472 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_A);
473 			runtime->fbc_mask &= ~BIT(INTEL_FBC_A);
474 		}
475 		if (dfsm & SKL_DFSM_PIPE_B_DISABLE) {
476 			runtime->pipe_mask &= ~BIT(PIPE_B);
477 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_B);
478 		}
479 		if (dfsm & SKL_DFSM_PIPE_C_DISABLE) {
480 			runtime->pipe_mask &= ~BIT(PIPE_C);
481 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
482 		}
483 
484 		if (DISPLAY_VER(dev_priv) >= 12 &&
485 		    (dfsm & TGL_DFSM_PIPE_D_DISABLE)) {
486 			runtime->pipe_mask &= ~BIT(PIPE_D);
487 			runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_D);
488 		}
489 
490 		if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
491 			runtime->has_hdcp = 0;
492 
493 		if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
494 			runtime->fbc_mask = 0;
495 
496 		if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE))
497 			runtime->has_dmc = 0;
498 
499 		if (IS_DISPLAY_VER(dev_priv, 10, 12) &&
500 		    (dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
501 			runtime->has_dsc = 0;
502 	}
503 
504 	if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) {
505 		drm_info(&dev_priv->drm,
506 			 "Disabling ppGTT for VT-d support\n");
507 		runtime->ppgtt_type = INTEL_PPGTT_NONE;
508 	}
509 
510 	runtime->rawclk_freq = intel_read_rawclk(dev_priv);
511 	drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq);
512 
513 	if (!HAS_DISPLAY(dev_priv)) {
514 		dev_priv->drm.driver_features &= ~(DRIVER_MODESET |
515 						   DRIVER_ATOMIC);
516 		memset(&info->display, 0, sizeof(info->display));
517 
518 		runtime->cpu_transcoder_mask = 0;
519 		memset(runtime->num_sprites, 0, sizeof(runtime->num_sprites));
520 		memset(runtime->num_scalers, 0, sizeof(runtime->num_scalers));
521 		runtime->fbc_mask = 0;
522 		runtime->has_hdcp = false;
523 		runtime->has_dmc = false;
524 		runtime->has_dsc = false;
525 	}
526 
527 	/* Disable nuclear pageflip by default on pre-g4x */
528 	if (!dev_priv->params.nuclear_pageflip &&
529 	    DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv))
530 		dev_priv->drm.driver_features &= ~DRIVER_ATOMIC;
531 }
532 
intel_driver_caps_print(const struct intel_driver_caps * caps,struct drm_printer * p)533 void intel_driver_caps_print(const struct intel_driver_caps *caps,
534 			     struct drm_printer *p)
535 {
536 	drm_printf(p, "Has logical contexts? %s\n",
537 		   str_yes_no(caps->has_logical_contexts));
538 	drm_printf(p, "scheduler: %x\n", caps->scheduler);
539 }
540