i915/soc/intel_pch.c

12 intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
16 		drm_dbg_kms(&dev_priv->drm, "Found Ibex Peak PCH\n");
17 		drm_WARN_ON(&dev_priv->drm, GRAPHICS_VER(dev_priv) != 5);
20 		drm_dbg_kms(&dev_priv->drm, "Found CougarPoint PCH\n");
21 		drm_WARN_ON(&dev_priv->drm,
22 			    GRAPHICS_VER(dev_priv) != 6 && !IS_IVYBRIDGE(dev_priv));
25 		drm_dbg_kms(&dev_priv->drm, "Found PantherPoint PCH\n");
26 		drm_WARN_ON(&dev_priv->drm,
27 			    GRAPHICS_VER(dev_priv) != 6 && !IS_IVYBRIDGE(dev_priv));
31 		drm_dbg_kms(&dev_priv->drm, "Found LynxPoint PCH\n");
32 		drm_WARN_ON(&dev_priv->drm,
33 			    !IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
34 		drm_WARN_ON(&dev_priv->drm,
35 			    IS_HASWELL_ULT(dev_priv) || IS_BROADWELL_ULT(dev_priv));
38 		drm_dbg_kms(&dev_priv->drm, "Found LynxPoint LP PCH\n");
39 		drm_WARN_ON(&dev_priv->drm,
40 			    !IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
41 		drm_WARN_ON(&dev_priv->drm,
42 			    !IS_HASWELL_ULT(dev_priv) && !IS_BROADWELL_ULT(dev_priv));
45 		drm_dbg_kms(&dev_priv->drm, "Found WildcatPoint PCH\n");
46 		drm_WARN_ON(&dev_priv->drm,
47 			    !IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
48 		drm_WARN_ON(&dev_priv->drm,
49 			    IS_HASWELL_ULT(dev_priv) || IS_BROADWELL_ULT(dev_priv));
53 		drm_dbg_kms(&dev_priv->drm, "Found WildcatPoint LP PCH\n");
54 		drm_WARN_ON(&dev_priv->drm,
55 			    !IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv));
56 		drm_WARN_ON(&dev_priv->drm,
57 			    !IS_HASWELL_ULT(dev_priv) && !IS_BROADWELL_ULT(dev_priv));
61 		drm_dbg_kms(&dev_priv->drm, "Found SunrisePoint PCH\n");
62 		drm_WARN_ON(&dev_priv->drm,
63 			    !IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv));
66 		drm_dbg_kms(&dev_priv->drm, "Found SunrisePoint LP PCH\n");
67 		drm_WARN_ON(&dev_priv->drm,
68 			    !IS_SKYLAKE(dev_priv) &&
69 			    !IS_KABYLAKE(dev_priv) &&
70 			    !IS_COFFEELAKE(dev_priv) &&
71 			    !IS_COMETLAKE(dev_priv));
74 		drm_dbg_kms(&dev_priv->drm, "Found Kaby Lake PCH (KBP)\n");
75 		drm_WARN_ON(&dev_priv->drm,
76 			    !IS_SKYLAKE(dev_priv) &&
77 			    !IS_KABYLAKE(dev_priv) &&
78 			    !IS_COFFEELAKE(dev_priv) &&
79 			    !IS_COMETLAKE(dev_priv));
83 		drm_dbg_kms(&dev_priv->drm, "Found Cannon Lake PCH (CNP)\n");
84 		drm_WARN_ON(&dev_priv->drm,
85 			    !IS_COFFEELAKE(dev_priv) &&
86 			    !IS_COMETLAKE(dev_priv));
89 		drm_dbg_kms(&dev_priv->drm,
91 		drm_WARN_ON(&dev_priv->drm,
92 			    !IS_COFFEELAKE(dev_priv) &&
93 			    !IS_COMETLAKE(dev_priv));
97 		drm_dbg_kms(&dev_priv->drm, "Found Comet Lake PCH (CMP)\n");
98 		drm_WARN_ON(&dev_priv->drm,
99 			    !IS_COFFEELAKE(dev_priv) &&
100 			    !IS_COMETLAKE(dev_priv) &&
101 			    !IS_ROCKETLAKE(dev_priv));
105 		drm_dbg_kms(&dev_priv->drm, "Found Comet Lake V PCH (CMP-V)\n");
106 		drm_WARN_ON(&dev_priv->drm,
107 			    !IS_COFFEELAKE(dev_priv) &&
108 			    !IS_COMETLAKE(dev_priv));
113 		drm_dbg_kms(&dev_priv->drm, "Found Ice Lake PCH\n");
114 		drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv));
117 		drm_dbg_kms(&dev_priv->drm, "Found Mule Creek Canyon PCH\n");
118 		drm_WARN_ON(&dev_priv->drm, !(IS_JASPERLAKE(dev_priv) ||
119 					      IS_ELKHARTLAKE(dev_priv)));
124 		drm_dbg_kms(&dev_priv->drm, "Found Tiger Lake LP PCH\n");
125 		drm_WARN_ON(&dev_priv->drm, !IS_TIGERLAKE(dev_priv) &&
126 			    !IS_ROCKETLAKE(dev_priv) &&
127 			    !IS_GEN9_BC(dev_priv));
130 		drm_dbg_kms(&dev_priv->drm, "Found Jasper Lake PCH\n");
131 		drm_WARN_ON(&dev_priv->drm, !(IS_JASPERLAKE(dev_priv) ||
132 					      IS_ELKHARTLAKE(dev_priv)));
139 		drm_dbg_kms(&dev_priv->drm, "Found Alder Lake PCH\n");
140 		drm_WARN_ON(&dev_priv->drm, !IS_ALDERLAKE_S(dev_priv) &&
141 			    !IS_ALDERLAKE_P(dev_priv));
159 intel_virt_detect_pch(const struct drm_i915_private *dev_priv,
171 	if (IS_ALDERLAKE_S(dev_priv) || IS_ALDERLAKE_P(dev_priv))
173 	else if (IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv))
175 	else if (IS_JASPERLAKE(dev_priv) || IS_ELKHARTLAKE(dev_priv))
177 	else if (IS_ICELAKE(dev_priv))
179 	else if (IS_COFFEELAKE(dev_priv) ||
180 		 IS_COMETLAKE(dev_priv))
182 	else if (IS_KABYLAKE(dev_priv) || IS_SKYLAKE(dev_priv))
184 	else if (IS_HASWELL_ULT(dev_priv) || IS_BROADWELL_ULT(dev_priv))
186 	else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
188 	else if (GRAPHICS_VER(dev_priv) == 6 || IS_IVYBRIDGE(dev_priv))
190 	else if (GRAPHICS_VER(dev_priv) == 5)
194 		drm_dbg_kms(&dev_priv->drm, "Assuming PCH ID %04x\n", id);
196 		drm_dbg_kms(&dev_priv->drm, "Assuming no PCH\n");
198 	*pch_type = intel_pch_type(dev_priv, id);
201 	if (drm_WARN_ON(&dev_priv->drm,
208 void intel_detect_pch(struct drm_i915_private *dev_priv)
218 	if (DISPLAY_VER(dev_priv) >= 20) {
219 		dev_priv->pch_type = PCH_LNL;
221 	} else if (IS_METEORLAKE(dev_priv)) {
226 		dev_priv->pch_type = PCH_MTL;
228 	} else if (IS_DG2(dev_priv)) {
229 		dev_priv->pch_type = PCH_DG2;
231 	} else if (IS_DG1(dev_priv)) {
232 		dev_priv->pch_type = PCH_DG1;
253 		pch_type = intel_pch_type(dev_priv, id);
255 			dev_priv->pch_type = pch_type;
256 			dev_priv->pch_id = id;
260 			intel_virt_detect_pch(dev_priv, &id, &pch_type);
261 			dev_priv->pch_type = pch_type;
262 			dev_priv->pch_id = id;
271 	if (pch && !HAS_DISPLAY(dev_priv)) {
272 		drm_dbg_kms(&dev_priv->drm,
274 		dev_priv->pch_type = PCH_NOP;
275 		dev_priv->pch_id = 0;
277 		if (i915_run_as_guest() && HAS_DISPLAY(dev_priv)) {
278 			intel_virt_detect_pch(dev_priv, &id, &pch_type);
279 			dev_priv->pch_type = pch_type;
280 			dev_priv->pch_id = id;
282 			drm_dbg_kms(&dev_priv->drm, "No PCH found.\n");