118 skl_dram_get_dimm_info(struct drm_i915_private *i915,  in skl_dram_get_dimm_info()  argument
122 	if (INTEL_GEN(i915) >= 10) {  in skl_dram_get_dimm_info()
132 	drm_dbg_kms(&i915->drm,  in skl_dram_get_dimm_info()
139 skl_dram_get_channel_info(struct drm_i915_private *i915,  in skl_dram_get_channel_info()  argument
143 	skl_dram_get_dimm_info(i915, &ch->dimm_l,  in skl_dram_get_channel_info()
145 	skl_dram_get_dimm_info(i915, &ch->dimm_s,  in skl_dram_get_channel_info()
149 		drm_dbg_kms(&i915->drm, "CH%u not populated\n", channel);  in skl_dram_get_channel_info()
163 	drm_dbg_kms(&i915->drm, "CH%u ranks: %u, 16Gb DIMMs: %s\n",  in skl_dram_get_channel_info()
179 skl_dram_get_channels_info(struct drm_i915_private *i915)  in skl_dram_get_channels_info()  argument
181 	struct dram_info *dram_info = &i915->dram_info;  in skl_dram_get_channels_info()
186 	val = intel_uncore_read(&i915->uncore,  in skl_dram_get_channels_info()
188 	ret = skl_dram_get_channel_info(i915, &ch0, 0, val);  in skl_dram_get_channels_info()
192 	val = intel_uncore_read(&i915->uncore,  in skl_dram_get_channels_info()
194 	ret = skl_dram_get_channel_info(i915, &ch1, 1, val);  in skl_dram_get_channels_info()
199 		drm_info(&i915->drm, "Number of memory channels is zero\n");  in skl_dram_get_channels_info()
214 		drm_info(&i915->drm, "couldn't get memory rank information\n");  in skl_dram_get_channels_info()
222 	drm_dbg_kms(&i915->drm, "Memory configuration is symmetric? %s\n",  in skl_dram_get_channels_info()
229 skl_get_dram_type(struct drm_i915_private *i915)  in skl_get_dram_type()  argument
233 	val = intel_uncore_read(&i915->uncore,  in skl_get_dram_type()
252 skl_get_dram_info(struct drm_i915_private *i915)  in skl_get_dram_info()  argument
254 	struct dram_info *dram_info = &i915->dram_info;  in skl_get_dram_info()
258 	dram_info->type = skl_get_dram_type(i915);  in skl_get_dram_info()
259 	drm_dbg_kms(&i915->drm, "DRAM type: %s\n",  in skl_get_dram_info()
262 	ret = skl_dram_get_channels_info(i915);  in skl_get_dram_info()
266 	val = intel_uncore_read(&i915->uncore,  in skl_get_dram_info()
275 		drm_info(&i915->drm,  in skl_get_dram_info()
362 static int bxt_get_dram_info(struct drm_i915_private *i915)  in bxt_get_dram_info()  argument
364 	struct dram_info *dram_info = &i915->dram_info;  in bxt_get_dram_info()
370 	val = intel_uncore_read(&i915->uncore, BXT_P_CR_MC_BIOS_REQ_0_0_0);  in bxt_get_dram_info()
381 		drm_info(&i915->drm,  in bxt_get_dram_info()
393 		val = intel_uncore_read(&i915->uncore, BXT_D_CR_DRP0_DUNIT(i));  in bxt_get_dram_info()
402 		drm_WARN_ON(&i915->drm, type != INTEL_DRAM_UNKNOWN &&  in bxt_get_dram_info()
406 		drm_dbg_kms(&i915->drm,  in bxt_get_dram_info()
427 		drm_info(&i915->drm, "couldn't get memory information\n");  in bxt_get_dram_info()
436 void intel_dram_detect(struct drm_i915_private *i915)  in intel_dram_detect()  argument
438 	struct dram_info *dram_info = &i915->dram_info;  in intel_dram_detect()
446 	dram_info->is_16gb_dimm = !IS_GEN9_LP(i915);  in intel_dram_detect()
448 	if (INTEL_GEN(i915) < 9 || !HAS_DISPLAY(i915))  in intel_dram_detect()
451 	if (IS_GEN9_LP(i915))  in intel_dram_detect()
452 		ret = bxt_get_dram_info(i915);  in intel_dram_detect()
454 		ret = skl_get_dram_info(i915);  in intel_dram_detect()
458 	drm_dbg_kms(&i915->drm, "DRAM bandwidth: %u kBps, channels: %u\n",  in intel_dram_detect()
461 	drm_dbg_kms(&i915->drm, "DRAM ranks: %u, 16Gb DIMMs: %s\n",  in intel_dram_detect()
465 static u32 gen9_edram_size_mb(struct drm_i915_private *i915, u32 cap)  in gen9_edram_size_mb()  argument
475 void intel_dram_edram_detect(struct drm_i915_private *i915)  in intel_dram_edram_detect()  argument
479 	if (!(IS_HASWELL(i915) || IS_BROADWELL(i915) || INTEL_GEN(i915) >= 9))  in intel_dram_edram_detect()
482 	edram_cap = __raw_uncore_read32(&i915->uncore, HSW_EDRAM_CAP);  in intel_dram_edram_detect()
493 	if (INTEL_GEN(i915) < 9)  in intel_dram_edram_detect()
494 		i915->edram_size_mb = 128;  in intel_dram_edram_detect()
496 		i915->edram_size_mb = gen9_edram_size_mb(i915, edram_cap);  in intel_dram_edram_detect()
498 	drm_info(&i915->drm, "Found %uMB of eDRAM\n", i915->edram_size_mb);  in intel_dram_edram_detect()