drivers/gpu/drm/i915/intel_device_info.c - linux - Git at Google

 /*
  * Copyright © 2016 Intel Corporation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  * IN THE SOFTWARE.
  *
  */

 #include <linux/string_helpers.h>

 #include <drm/drm_print.h>
 #include <drm/i915_pciids.h>

 #include "gt/intel_gt_regs.h"
 #include "i915_drv.h"
 #include "i915_reg.h"
 #include "i915_utils.h"
 #include "intel_device_info.h"

 #define PLATFORM_NAME(x) [INTEL_##x] = #x
 static const char * const platform_names[] = {
 	PLATFORM_NAME(I830),
 	PLATFORM_NAME(I845G),
 	PLATFORM_NAME(I85X),
 	PLATFORM_NAME(I865G),
 	PLATFORM_NAME(I915G),
 	PLATFORM_NAME(I915GM),
 	PLATFORM_NAME(I945G),
 	PLATFORM_NAME(I945GM),
 	PLATFORM_NAME(G33),
 	PLATFORM_NAME(PINEVIEW),
 	PLATFORM_NAME(I965G),
 	PLATFORM_NAME(I965GM),
 	PLATFORM_NAME(G45),
 	PLATFORM_NAME(GM45),
 	PLATFORM_NAME(IRONLAKE),
 	PLATFORM_NAME(SANDYBRIDGE),
 	PLATFORM_NAME(IVYBRIDGE),
 	PLATFORM_NAME(VALLEYVIEW),
 	PLATFORM_NAME(HASWELL),
 	PLATFORM_NAME(BROADWELL),
 	PLATFORM_NAME(CHERRYVIEW),
 	PLATFORM_NAME(SKYLAKE),
 	PLATFORM_NAME(BROXTON),
 	PLATFORM_NAME(KABYLAKE),
 	PLATFORM_NAME(GEMINILAKE),
 	PLATFORM_NAME(COFFEELAKE),
 	PLATFORM_NAME(COMETLAKE),
 	PLATFORM_NAME(ICELAKE),
 	PLATFORM_NAME(ELKHARTLAKE),
 	PLATFORM_NAME(JASPERLAKE),
 	PLATFORM_NAME(TIGERLAKE),
 	PLATFORM_NAME(ROCKETLAKE),
 	PLATFORM_NAME(DG1),
 	PLATFORM_NAME(ALDERLAKE_S),
 	PLATFORM_NAME(ALDERLAKE_P),
 	PLATFORM_NAME(XEHPSDV),
 	PLATFORM_NAME(DG2),
 	PLATFORM_NAME(PONTEVECCHIO),
 	PLATFORM_NAME(METEORLAKE),
 };
 #undef PLATFORM_NAME

 const char *intel_platform_name(enum intel_platform platform)
 {
 	BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS);

 	if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) ||
 			 platform_names[platform] == NULL))
 		return "<unknown>";

 	return platform_names[platform];
 }

 void intel_device_info_print(const struct intel_device_info *info,
 			     const struct intel_runtime_info *runtime,
 			     struct drm_printer *p)
 {
 	if (runtime->graphics.ip.rel)
 		drm_printf(p, "graphics version: %u.%02u\n",
 			   runtime->graphics.ip.ver,
 			   runtime->graphics.ip.rel);
 	else
 		drm_printf(p, "graphics version: %u\n",
 			   runtime->graphics.ip.ver);

 	if (runtime->media.ip.rel)
 		drm_printf(p, "media version: %u.%02u\n",
 			   runtime->media.ip.ver,
 			   runtime->media.ip.rel);
 	else
 		drm_printf(p, "media version: %u\n",
 			   runtime->media.ip.ver);

 	drm_printf(p, "graphics stepping: %s\n", intel_step_name(runtime->step.graphics_step));
 	drm_printf(p, "media stepping: %s\n", intel_step_name(runtime->step.media_step));
 	drm_printf(p, "display stepping: %s\n", intel_step_name(runtime->step.display_step));
 	drm_printf(p, "base die stepping: %s\n", intel_step_name(runtime->step.basedie_step));

 	drm_printf(p, "gt: %d\n", info->gt);
 	drm_printf(p, "memory-regions: 0x%x\n", info->memory_regions);
 	drm_printf(p, "page-sizes: 0x%x\n", runtime->page_sizes);
 	drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
 	drm_printf(p, "ppgtt-size: %d\n", runtime->ppgtt_size);
 	drm_printf(p, "ppgtt-type: %d\n", runtime->ppgtt_type);
 	drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);

 #define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name))
 	DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
 #undef PRINT_FLAG

 	drm_printf(p, "has_pooled_eu: %s\n", str_yes_no(runtime->has_pooled_eu));
 	drm_printf(p, "rawclk rate: %u kHz\n", runtime->rawclk_freq);
 }

 #undef INTEL_VGA_DEVICE
 #define INTEL_VGA_DEVICE(id, info) (id)

 static const u16 subplatform_ult_ids[] = {
 	INTEL_HSW_ULT_GT1_IDS(0),
 	INTEL_HSW_ULT_GT2_IDS(0),
 	INTEL_HSW_ULT_GT3_IDS(0),
 	INTEL_BDW_ULT_GT1_IDS(0),
 	INTEL_BDW_ULT_GT2_IDS(0),
 	INTEL_BDW_ULT_GT3_IDS(0),
 	INTEL_BDW_ULT_RSVD_IDS(0),
 	INTEL_SKL_ULT_GT1_IDS(0),
 	INTEL_SKL_ULT_GT2_IDS(0),
 	INTEL_SKL_ULT_GT3_IDS(0),
 	INTEL_KBL_ULT_GT1_IDS(0),
 	INTEL_KBL_ULT_GT2_IDS(0),
 	INTEL_KBL_ULT_GT3_IDS(0),
 	INTEL_CFL_U_GT2_IDS(0),
 	INTEL_CFL_U_GT3_IDS(0),
 	INTEL_WHL_U_GT1_IDS(0),
 	INTEL_WHL_U_GT2_IDS(0),
 	INTEL_WHL_U_GT3_IDS(0),
 	INTEL_CML_U_GT1_IDS(0),
 	INTEL_CML_U_GT2_IDS(0),
 };

 static const u16 subplatform_ulx_ids[] = {
 	INTEL_HSW_ULX_GT1_IDS(0),
 	INTEL_HSW_ULX_GT2_IDS(0),
 	INTEL_BDW_ULX_GT1_IDS(0),
 	INTEL_BDW_ULX_GT2_IDS(0),
 	INTEL_BDW_ULX_GT3_IDS(0),
 	INTEL_BDW_ULX_RSVD_IDS(0),
 	INTEL_SKL_ULX_GT1_IDS(0),
 	INTEL_SKL_ULX_GT2_IDS(0),
 	INTEL_KBL_ULX_GT1_IDS(0),
 	INTEL_KBL_ULX_GT2_IDS(0),
 	INTEL_AML_KBL_GT2_IDS(0),
 	INTEL_AML_CFL_GT2_IDS(0),
 };

 static const u16 subplatform_portf_ids[] = {
 	INTEL_ICL_PORT_F_IDS(0),
 };

 static const u16 subplatform_uy_ids[] = {
 	INTEL_TGL_12_GT2_IDS(0),
 };

 static const u16 subplatform_n_ids[] = {
 	INTEL_ADLN_IDS(0),
 };

 static const u16 subplatform_rpl_ids[] = {
 	INTEL_RPLS_IDS(0),
 	INTEL_RPLP_IDS(0),
 };

 static const u16 subplatform_rplu_ids[] = {
 	INTEL_RPLU_IDS(0),
 };

 static const u16 subplatform_g10_ids[] = {
 	INTEL_DG2_G10_IDS(0),
 	INTEL_ATS_M150_IDS(0),
 };

 static const u16 subplatform_g11_ids[] = {
 	INTEL_DG2_G11_IDS(0),
 	INTEL_ATS_M75_IDS(0),
 };

 static const u16 subplatform_g12_ids[] = {
 	INTEL_DG2_G12_IDS(0),
 };

 static bool find_devid(u16 id, const u16 *p, unsigned int num)
 {
 	for (; num; num--, p++) {
 		if (*p == id)
 			return true;
 	}

 	return false;
 }

 static void intel_device_info_subplatform_init(struct drm_i915_private *i915)
 {
 	const struct intel_device_info *info = INTEL_INFO(i915);
 	const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915);
 	const unsigned int pi = __platform_mask_index(rinfo, info->platform);
 	const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
 	u16 devid = INTEL_DEVID(i915);
 	u32 mask = 0;

 	/* Make sure IS_<platform> checks are working. */
 	RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);

 	/* Find and mark subplatform bits based on the PCI device id. */
 	if (find_devid(devid, subplatform_ult_ids,
 		       ARRAY_SIZE(subplatform_ult_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_ULT);
 	} else if (find_devid(devid, subplatform_ulx_ids,
 			      ARRAY_SIZE(subplatform_ulx_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_ULX);
 		if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
 			/* ULX machines are also considered ULT. */
 			mask |= BIT(INTEL_SUBPLATFORM_ULT);
 		}
 	} else if (find_devid(devid, subplatform_portf_ids,
 			      ARRAY_SIZE(subplatform_portf_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_PORTF);
 	} else if (find_devid(devid, subplatform_uy_ids,
 			   ARRAY_SIZE(subplatform_uy_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_UY);
 	} else if (find_devid(devid, subplatform_n_ids,
 				ARRAY_SIZE(subplatform_n_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_N);
 	} else if (find_devid(devid, subplatform_rpl_ids,
 			      ARRAY_SIZE(subplatform_rpl_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_RPL);
 		if (find_devid(devid, subplatform_rplu_ids,
 			       ARRAY_SIZE(subplatform_rplu_ids)))
 			mask |= BIT(INTEL_SUBPLATFORM_RPLU);
 	} else if (find_devid(devid, subplatform_g10_ids,
 			      ARRAY_SIZE(subplatform_g10_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_G10);
 	} else if (find_devid(devid, subplatform_g11_ids,
 			      ARRAY_SIZE(subplatform_g11_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_G11);
 	} else if (find_devid(devid, subplatform_g12_ids,
 			      ARRAY_SIZE(subplatform_g12_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_G12);
 	}

 	GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);

 	RUNTIME_INFO(i915)->platform_mask[pi] |= mask;
 }

 static void ip_ver_read(struct drm_i915_private *i915, u32 offset, struct intel_ip_version *ip)
 {
 	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
 	void __iomem *addr;
 	u32 val;
 	u8 expected_ver = ip->ver;
 	u8 expected_rel = ip->rel;

 	addr = pci_iomap_range(pdev, 0, offset, sizeof(u32));
 	if (drm_WARN_ON(&i915->drm, !addr))
 		return;

 	val = ioread32(addr);
 	pci_iounmap(pdev, addr);

 	ip->ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val);
 	ip->rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val);
 	ip->step = REG_FIELD_GET(GMD_ID_STEP, val);

 	/* Sanity check against expected versions from device info */
 	if (IP_VER(ip->ver, ip->rel) < IP_VER(expected_ver, expected_rel))
 		drm_dbg(&i915->drm,
 			"Hardware reports GMD IP version %u.%u (REG[0x%x] = 0x%08x) but minimum expected is %u.%u\n",
 			ip->ver, ip->rel, offset, val, expected_ver, expected_rel);
 }

 /*
  * Setup the graphics version for the current device.  This must be done before
  * any code that performs checks on GRAPHICS_VER or DISPLAY_VER, so this
  * function should be called very early in the driver initialization sequence.
  *
  * Regular MMIO access is not yet setup at the point this function is called so
  * we peek at the appropriate MMIO offset directly.  The GMD_ID register is
  * part of an 'always on' power well by design, so we don't need to worry about
  * forcewake while reading it.
  */
 static void intel_ipver_early_init(struct drm_i915_private *i915)
 {
 	struct intel_runtime_info *runtime = RUNTIME_INFO(i915);

 	if (!HAS_GMD_ID(i915)) {
 		drm_WARN_ON(&i915->drm, RUNTIME_INFO(i915)->graphics.ip.ver > 12);
 		/*
 		 * On older platforms, graphics and media share the same ip
 		 * version and release.
 		 */
 		RUNTIME_INFO(i915)->media.ip =
 			RUNTIME_INFO(i915)->graphics.ip;
 		return;
 	}

 	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_GRAPHICS),
 		    &runtime->graphics.ip);
 	/* Wa_22012778468 */
 	if (runtime->graphics.ip.ver == 0x0 &&
 	    INTEL_INFO(i915)->platform == INTEL_METEORLAKE) {
 		RUNTIME_INFO(i915)->graphics.ip.ver = 12;
 		RUNTIME_INFO(i915)->graphics.ip.rel = 70;
 	}
 	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_MEDIA),
 		    &runtime->media.ip);
 }

 /**
  * intel_device_info_runtime_init_early - initialize early runtime info
  * @i915: the i915 device
  *
  * Determine early intel_device_info fields at runtime. This function needs
  * to be called before the MMIO has been setup.
  */
 void intel_device_info_runtime_init_early(struct drm_i915_private *i915)
 {
 	intel_ipver_early_init(i915);
 	intel_device_info_subplatform_init(i915);
 }

 /**
  * intel_device_info_runtime_init - initialize runtime info
  * @dev_priv: the i915 device
  *
  * Determine various intel_device_info fields at runtime.
  *
  * Use it when either:
  *   - it's judged too laborious to fill n static structures with the limit
  *     when a simple if statement does the job,
  *   - run-time checks (eg read fuse/strap registers) are needed.
  *
  * This function needs to be called:
  *   - after the MMIO has been setup as we are reading registers,
  *   - after the PCH has been detected,
  *   - before the first usage of the fields it can tweak.
  */
 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
 {
 	struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);

 	BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);

 	if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) {
 		drm_info(&dev_priv->drm,
 			 "Disabling ppGTT for VT-d support\n");
 		runtime->ppgtt_type = INTEL_PPGTT_NONE;
 	}

 	runtime->rawclk_freq = intel_read_rawclk(dev_priv);
 	drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq);

 }

 /*
  * Set up device info and initial runtime info at driver create.
  *
  * Note: i915 is only an allocated blob of memory at this point.
  */
 void intel_device_info_driver_create(struct drm_i915_private *i915,
 				     u16 device_id,
 				     const struct intel_device_info *match_info)
 {
 	struct intel_runtime_info *runtime;

 	/* Setup INTEL_INFO() */
 	i915->__info = match_info;

 	/* Initialize initial runtime info from static const data and pdev. */
 	runtime = RUNTIME_INFO(i915);
 	memcpy(runtime, &INTEL_INFO(i915)->__runtime, sizeof(*runtime));

 	runtime->device_id = device_id;
 }

 void intel_driver_caps_print(const struct intel_driver_caps *caps,
 			     struct drm_printer *p)
 {
 	drm_printf(p, "Has logical contexts? %s\n",
 		   str_yes_no(caps->has_logical_contexts));
 	drm_printf(p, "scheduler: 0x%x\n", caps->scheduler);
 }
	/*
	* Copyright © 2016 Intel Corporation
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice (including the next
	* paragraph) shall be included in all copies or substantial portions of the
	* Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	* IN THE SOFTWARE.
	*
	*/

	#include <linux/string_helpers.h>

	#include <drm/drm_print.h>
	#include <drm/i915_pciids.h>

	#include "gt/intel_gt_regs.h"
	#include "i915_drv.h"
	#include "i915_reg.h"
	#include "i915_utils.h"
	#include "intel_device_info.h"

	#define PLATFORM_NAME(x) [INTEL_##x] = #x
	static const char * const platform_names[] = {
	PLATFORM_NAME(I830),
	PLATFORM_NAME(I845G),
	PLATFORM_NAME(I85X),
	PLATFORM_NAME(I865G),
	PLATFORM_NAME(I915G),
	PLATFORM_NAME(I915GM),
	PLATFORM_NAME(I945G),
	PLATFORM_NAME(I945GM),
	PLATFORM_NAME(G33),
	PLATFORM_NAME(PINEVIEW),
	PLATFORM_NAME(I965G),
	PLATFORM_NAME(I965GM),
	PLATFORM_NAME(G45),
	PLATFORM_NAME(GM45),
	PLATFORM_NAME(IRONLAKE),
	PLATFORM_NAME(SANDYBRIDGE),
	PLATFORM_NAME(IVYBRIDGE),
	PLATFORM_NAME(VALLEYVIEW),
	PLATFORM_NAME(HASWELL),
	PLATFORM_NAME(BROADWELL),
	PLATFORM_NAME(CHERRYVIEW),
	PLATFORM_NAME(SKYLAKE),
	PLATFORM_NAME(BROXTON),
	PLATFORM_NAME(KABYLAKE),
	PLATFORM_NAME(GEMINILAKE),
	PLATFORM_NAME(COFFEELAKE),
	PLATFORM_NAME(COMETLAKE),
	PLATFORM_NAME(ICELAKE),
	PLATFORM_NAME(ELKHARTLAKE),
	PLATFORM_NAME(JASPERLAKE),
	PLATFORM_NAME(TIGERLAKE),
	PLATFORM_NAME(ROCKETLAKE),
	PLATFORM_NAME(DG1),
	PLATFORM_NAME(ALDERLAKE_S),
	PLATFORM_NAME(ALDERLAKE_P),
	PLATFORM_NAME(XEHPSDV),
	PLATFORM_NAME(DG2),
	PLATFORM_NAME(PONTEVECCHIO),
	PLATFORM_NAME(METEORLAKE),
	};
	#undef PLATFORM_NAME

	const char *intel_platform_name(enum intel_platform platform)
	{
	BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS);

	if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) \|\|
	platform_names[platform] == NULL))
	return "<unknown>";

	return platform_names[platform];
	}

	void intel_device_info_print(const struct intel_device_info *info,
	const struct intel_runtime_info *runtime,
	struct drm_printer *p)
	{
	if (runtime->graphics.ip.rel)
	drm_printf(p, "graphics version: %u.%02u\n",
	runtime->graphics.ip.ver,
	runtime->graphics.ip.rel);
	else
	drm_printf(p, "graphics version: %u\n",
	runtime->graphics.ip.ver);

	if (runtime->media.ip.rel)
	drm_printf(p, "media version: %u.%02u\n",
	runtime->media.ip.ver,
	runtime->media.ip.rel);
	else
	drm_printf(p, "media version: %u\n",
	runtime->media.ip.ver);

	drm_printf(p, "graphics stepping: %s\n", intel_step_name(runtime->step.graphics_step));
	drm_printf(p, "media stepping: %s\n", intel_step_name(runtime->step.media_step));
	drm_printf(p, "display stepping: %s\n", intel_step_name(runtime->step.display_step));
	drm_printf(p, "base die stepping: %s\n", intel_step_name(runtime->step.basedie_step));

	drm_printf(p, "gt: %d\n", info->gt);
	drm_printf(p, "memory-regions: 0x%x\n", info->memory_regions);
	drm_printf(p, "page-sizes: 0x%x\n", runtime->page_sizes);
	drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
	drm_printf(p, "ppgtt-size: %d\n", runtime->ppgtt_size);
	drm_printf(p, "ppgtt-type: %d\n", runtime->ppgtt_type);
	drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);

	#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name))
	DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
	#undef PRINT_FLAG

	drm_printf(p, "has_pooled_eu: %s\n", str_yes_no(runtime->has_pooled_eu));
	drm_printf(p, "rawclk rate: %u kHz\n", runtime->rawclk_freq);
	}

	#undef INTEL_VGA_DEVICE
	#define INTEL_VGA_DEVICE(id, info) (id)

	static const u16 subplatform_ult_ids[] = {
	INTEL_HSW_ULT_GT1_IDS(0),
	INTEL_HSW_ULT_GT2_IDS(0),
	INTEL_HSW_ULT_GT3_IDS(0),
	INTEL_BDW_ULT_GT1_IDS(0),
	INTEL_BDW_ULT_GT2_IDS(0),
	INTEL_BDW_ULT_GT3_IDS(0),
	INTEL_BDW_ULT_RSVD_IDS(0),
	INTEL_SKL_ULT_GT1_IDS(0),
	INTEL_SKL_ULT_GT2_IDS(0),
	INTEL_SKL_ULT_GT3_IDS(0),
	INTEL_KBL_ULT_GT1_IDS(0),
	INTEL_KBL_ULT_GT2_IDS(0),
	INTEL_KBL_ULT_GT3_IDS(0),
	INTEL_CFL_U_GT2_IDS(0),
	INTEL_CFL_U_GT3_IDS(0),
	INTEL_WHL_U_GT1_IDS(0),
	INTEL_WHL_U_GT2_IDS(0),
	INTEL_WHL_U_GT3_IDS(0),
	INTEL_CML_U_GT1_IDS(0),
	INTEL_CML_U_GT2_IDS(0),
	};

	static const u16 subplatform_ulx_ids[] = {
	INTEL_HSW_ULX_GT1_IDS(0),
	INTEL_HSW_ULX_GT2_IDS(0),
	INTEL_BDW_ULX_GT1_IDS(0),
	INTEL_BDW_ULX_GT2_IDS(0),
	INTEL_BDW_ULX_GT3_IDS(0),
	INTEL_BDW_ULX_RSVD_IDS(0),
	INTEL_SKL_ULX_GT1_IDS(0),
	INTEL_SKL_ULX_GT2_IDS(0),
	INTEL_KBL_ULX_GT1_IDS(0),
	INTEL_KBL_ULX_GT2_IDS(0),
	INTEL_AML_KBL_GT2_IDS(0),
	INTEL_AML_CFL_GT2_IDS(0),
	};

	static const u16 subplatform_portf_ids[] = {
	INTEL_ICL_PORT_F_IDS(0),
	};

	static const u16 subplatform_uy_ids[] = {
	INTEL_TGL_12_GT2_IDS(0),
	};

	static const u16 subplatform_n_ids[] = {
	INTEL_ADLN_IDS(0),
	};

	static const u16 subplatform_rpl_ids[] = {
	INTEL_RPLS_IDS(0),
	INTEL_RPLP_IDS(0),
	};

	static const u16 subplatform_rplu_ids[] = {
	INTEL_RPLU_IDS(0),
	};

	static const u16 subplatform_g10_ids[] = {
	INTEL_DG2_G10_IDS(0),
	INTEL_ATS_M150_IDS(0),
	};

	static const u16 subplatform_g11_ids[] = {
	INTEL_DG2_G11_IDS(0),
	INTEL_ATS_M75_IDS(0),
	};

	static const u16 subplatform_g12_ids[] = {
	INTEL_DG2_G12_IDS(0),
	};

	static bool find_devid(u16 id, const u16 *p, unsigned int num)
	{
	for (; num; num--, p++) {
	if (*p == id)
	return true;
	}

	return false;
	}

	static void intel_device_info_subplatform_init(struct drm_i915_private *i915)
	{
	const struct intel_device_info *info = INTEL_INFO(i915);
	const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915);
	const unsigned int pi = __platform_mask_index(rinfo, info->platform);
	const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
	u16 devid = INTEL_DEVID(i915);
	u32 mask = 0;

	/* Make sure IS_<platform> checks are working. */
	RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);

	/* Find and mark subplatform bits based on the PCI device id. */
	if (find_devid(devid, subplatform_ult_ids,
	ARRAY_SIZE(subplatform_ult_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_ULT);
	} else if (find_devid(devid, subplatform_ulx_ids,
	ARRAY_SIZE(subplatform_ulx_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_ULX);
	if (IS_HASWELL(i915) \|\| IS_BROADWELL(i915)) {
	/* ULX machines are also considered ULT. */
	mask \|= BIT(INTEL_SUBPLATFORM_ULT);
	}
	} else if (find_devid(devid, subplatform_portf_ids,
	ARRAY_SIZE(subplatform_portf_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_PORTF);
	} else if (find_devid(devid, subplatform_uy_ids,
	ARRAY_SIZE(subplatform_uy_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_UY);
	} else if (find_devid(devid, subplatform_n_ids,
	ARRAY_SIZE(subplatform_n_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_N);
	} else if (find_devid(devid, subplatform_rpl_ids,
	ARRAY_SIZE(subplatform_rpl_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_RPL);
	if (find_devid(devid, subplatform_rplu_ids,
	ARRAY_SIZE(subplatform_rplu_ids)))
	mask \|= BIT(INTEL_SUBPLATFORM_RPLU);
	} else if (find_devid(devid, subplatform_g10_ids,
	ARRAY_SIZE(subplatform_g10_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_G10);
	} else if (find_devid(devid, subplatform_g11_ids,
	ARRAY_SIZE(subplatform_g11_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_G11);
	} else if (find_devid(devid, subplatform_g12_ids,
	ARRAY_SIZE(subplatform_g12_ids))) {
	mask = BIT(INTEL_SUBPLATFORM_G12);
	}

	GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);

	RUNTIME_INFO(i915)->platform_mask[pi] \|= mask;
	}

	static void ip_ver_read(struct drm_i915_private i915, u32 offset, struct intel_ip_version ip)
	{
	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
	void __iomem *addr;
	u32 val;
	u8 expected_ver = ip->ver;
	u8 expected_rel = ip->rel;

	addr = pci_iomap_range(pdev, 0, offset, sizeof(u32));
	if (drm_WARN_ON(&i915->drm, !addr))
	return;

	val = ioread32(addr);
	pci_iounmap(pdev, addr);

	ip->ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val);
	ip->rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val);
	ip->step = REG_FIELD_GET(GMD_ID_STEP, val);

	/* Sanity check against expected versions from device info */
	if (IP_VER(ip->ver, ip->rel) < IP_VER(expected_ver, expected_rel))
	drm_dbg(&i915->drm,
	"Hardware reports GMD IP version %u.%u (REG[0x%x] = 0x%08x) but minimum expected is %u.%u\n",
	ip->ver, ip->rel, offset, val, expected_ver, expected_rel);
	}

	/*
	* Setup the graphics version for the current device. This must be done before
	* any code that performs checks on GRAPHICS_VER or DISPLAY_VER, so this
	* function should be called very early in the driver initialization sequence.
	*
	* Regular MMIO access is not yet setup at the point this function is called so
	* we peek at the appropriate MMIO offset directly. The GMD_ID register is
	* part of an 'always on' power well by design, so we don't need to worry about
	* forcewake while reading it.
	*/
	static void intel_ipver_early_init(struct drm_i915_private *i915)
	{
	struct intel_runtime_info *runtime = RUNTIME_INFO(i915);

	if (!HAS_GMD_ID(i915)) {
	drm_WARN_ON(&i915->drm, RUNTIME_INFO(i915)->graphics.ip.ver > 12);
	/*
	* On older platforms, graphics and media share the same ip
	* version and release.
	*/
	RUNTIME_INFO(i915)->media.ip =
	RUNTIME_INFO(i915)->graphics.ip;
	return;
	}

	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_GRAPHICS),
	&runtime->graphics.ip);
	/* Wa_22012778468 */
	if (runtime->graphics.ip.ver == 0x0 &&
	INTEL_INFO(i915)->platform == INTEL_METEORLAKE) {
	RUNTIME_INFO(i915)->graphics.ip.ver = 12;
	RUNTIME_INFO(i915)->graphics.ip.rel = 70;
	}
	ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_MEDIA),
	&runtime->media.ip);
	}

	/**
	* intel_device_info_runtime_init_early - initialize early runtime info
	* @i915: the i915 device
	*
	* Determine early intel_device_info fields at runtime. This function needs
	* to be called before the MMIO has been setup.
	*/
	void intel_device_info_runtime_init_early(struct drm_i915_private *i915)
	{
	intel_ipver_early_init(i915);
	intel_device_info_subplatform_init(i915);
	}

	/**
	* intel_device_info_runtime_init - initialize runtime info
	* @dev_priv: the i915 device
	*
	* Determine various intel_device_info fields at runtime.
	*
	* Use it when either:
	* - it's judged too laborious to fill n static structures with the limit
	* when a simple if statement does the job,
	* - run-time checks (eg read fuse/strap registers) are needed.
	*
	* This function needs to be called:
	* - after the MMIO has been setup as we are reading registers,
	* - after the PCH has been detected,
	* - before the first usage of the fields it can tweak.
	*/
	void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
	{
	struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);

	BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);

	if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) {
	drm_info(&dev_priv->drm,
	"Disabling ppGTT for VT-d support\n");
	runtime->ppgtt_type = INTEL_PPGTT_NONE;
	}

	runtime->rawclk_freq = intel_read_rawclk(dev_priv);
	drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq);

	}

	/*
	* Set up device info and initial runtime info at driver create.
	*
	* Note: i915 is only an allocated blob of memory at this point.
	*/
	void intel_device_info_driver_create(struct drm_i915_private *i915,
	u16 device_id,
	const struct intel_device_info *match_info)
	{
	struct intel_runtime_info *runtime;

	/* Setup INTEL_INFO() */
	i915->__info = match_info;

	/* Initialize initial runtime info from static const data and pdev. */
	runtime = RUNTIME_INFO(i915);
	memcpy(runtime, &INTEL_INFO(i915)->__runtime, sizeof(*runtime));

	runtime->device_id = device_id;
	}

	void intel_driver_caps_print(const struct intel_driver_caps *caps,
	struct drm_printer *p)
	{
	drm_printf(p, "Has logical contexts? %s\n",
	str_yes_no(caps->has_logical_contexts));
	drm_printf(p, "scheduler: 0x%x\n", caps->scheduler);
	}