1 files changed, 951 insertions, 0 deletions

diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
new file mode 100644
index 000000000000..dcc5ded1558e
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -0,0 +1,951 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#include "xe_pci.h"
+
+#include <kunit/static_stub.h>
+#include <linux/device/driver.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/pm_runtime.h>
+
+#include <drm/drm_color_mgmt.h>
+#include <drm/drm_drv.h>
+#include <drm/xe_pciids.h>
+
+#include "regs/xe_gt_regs.h"
+#include "xe_device.h"
+#include "xe_display.h"
+#include "xe_drv.h"
+#include "xe_gt.h"
+#include "xe_macros.h"
+#include "xe_mmio.h"
+#include "xe_module.h"
+#include "xe_pci_types.h"
+#include "xe_pm.h"
+#include "xe_sriov.h"
+#include "xe_step.h"
+#include "xe_tile.h"
+
+enum toggle_d3cold {
+	D3COLD_DISABLE,
+	D3COLD_ENABLE,
+};
+
+struct xe_subplatform_desc {
+	enum xe_subplatform subplatform;
+	const char *name;
+	const u16 *pciidlist;
+};
+
+struct xe_gt_desc {
+	enum xe_gt_type type;
+	u32 mmio_adj_limit;
+	u32 mmio_adj_offset;
+};
+
+struct xe_device_desc {
+	/* Should only ever be set for platforms without GMD_ID */
+	const struct xe_graphics_desc *graphics;
+	/* Should only ever be set for platforms without GMD_ID */
+	const struct xe_media_desc *media;
+
+	const char *platform_name;
+	const struct xe_subplatform_desc *subplatforms;
+
+	enum xe_platform platform;
+
+	u8 require_force_probe:1;
+	u8 is_dgfx:1;
+
+	u8 has_display:1;
+	u8 has_heci_gscfi:1;
+	u8 has_llc:1;
+	u8 has_mmio_ext:1;
+	u8 has_sriov:1;
+	u8 skip_guc_pc:1;
+	u8 skip_mtcfg:1;
+	u8 skip_pcode:1;
+};
+
+__diag_push();
+__diag_ignore_all("-Woverride-init", "Allow field overrides in table");
+
+#define PLATFORM(x)		\
+	.platform = (x),	\
+	.platform_name = #x
+
+#define NOP(x)	x
+
+static const struct xe_graphics_desc graphics_xelp = {
+	.name = "Xe_LP",
+	.ver = 12,
+	.rel = 0,
+
+	.hw_engine_mask = BIT(XE_HW_ENGINE_RCS0) | BIT(XE_HW_ENGINE_BCS0),
+
+	.dma_mask_size = 39,
+	.va_bits = 48,
+	.vm_max_level = 3,
+};
+
+static const struct xe_graphics_desc graphics_xelpp = {
+	.name = "Xe_LP+",
+	.ver = 12,
+	.rel = 10,
+
+	.hw_engine_mask = BIT(XE_HW_ENGINE_RCS0) | BIT(XE_HW_ENGINE_BCS0),
+
+	.dma_mask_size = 39,
+	.va_bits = 48,
+	.vm_max_level = 3,
+};
+
+#define XE_HP_FEATURES \
+	.has_range_tlb_invalidation = true, \
+	.has_flat_ccs = true, \
+	.dma_mask_size = 46, \
+	.va_bits = 48, \
+	.vm_max_level = 3
+
+static const struct xe_graphics_desc graphics_xehpg = {
+	.name = "Xe_HPG",
+	.ver = 12,
+	.rel = 55,
+
+	.hw_engine_mask =
+		BIT(XE_HW_ENGINE_RCS0) | BIT(XE_HW_ENGINE_BCS0) |
+		BIT(XE_HW_ENGINE_CCS0) | BIT(XE_HW_ENGINE_CCS1) |
+		BIT(XE_HW_ENGINE_CCS2) | BIT(XE_HW_ENGINE_CCS3),
+
+	XE_HP_FEATURES,
+	.vram_flags = XE_VRAM_FLAGS_NEED64K,
+};
+
+static const struct xe_graphics_desc graphics_xehpc = {
+	.name = "Xe_HPC",
+	.ver = 12,
+	.rel = 60,
+
+	.hw_engine_mask =
+		BIT(XE_HW_ENGINE_BCS0) | BIT(XE_HW_ENGINE_BCS1) |
+		BIT(XE_HW_ENGINE_BCS2) | BIT(XE_HW_ENGINE_BCS3) |
+		BIT(XE_HW_ENGINE_BCS4) | BIT(XE_HW_ENGINE_BCS5) |
+		BIT(XE_HW_ENGINE_BCS6) | BIT(XE_HW_ENGINE_BCS7) |
+		BIT(XE_HW_ENGINE_BCS8) |
+		BIT(XE_HW_ENGINE_CCS0) | BIT(XE_HW_ENGINE_CCS1) |
+		BIT(XE_HW_ENGINE_CCS2) | BIT(XE_HW_ENGINE_CCS3),
+
+	XE_HP_FEATURES,
+	.dma_mask_size = 52,
+	.max_remote_tiles = 1,
+	.va_bits = 57,
+	.vm_max_level = 4,
+	.vram_flags = XE_VRAM_FLAGS_NEED64K,
+
+	.has_asid = 1,
+	.has_flat_ccs = 0,
+	.has_usm = 1,
+};
+
+static const struct xe_graphics_desc graphics_xelpg = {
+	.name = "Xe_LPG",
+	.hw_engine_mask =
+		BIT(XE_HW_ENGINE_RCS0) | BIT(XE_HW_ENGINE_BCS0) |
+		BIT(XE_HW_ENGINE_CCS0),
+
+	XE_HP_FEATURES,
+	.has_flat_ccs = 0,
+};
+
+#define XE2_GFX_FEATURES \
+	.dma_mask_size = 46, \
+	.has_asid = 1, \
+	.has_flat_ccs = 1, \
+	.has_range_tlb_invalidation = 1, \
+	.has_usm = 0 /* FIXME: implementation missing */, \
+	.va_bits = 48, \
+	.vm_max_level = 4, \
+	.hw_engine_mask = \
+		BIT(XE_HW_ENGINE_RCS0) | \
+		BIT(XE_HW_ENGINE_BCS8) | BIT(XE_HW_ENGINE_BCS0) | \
+		GENMASK(XE_HW_ENGINE_CCS3, XE_HW_ENGINE_CCS0)
+
+static const struct xe_graphics_desc graphics_xe2 = {
+	.name = "Xe2_LPG",
+
+	XE2_GFX_FEATURES,
+};
+
+static const struct xe_media_desc media_xem = {
+	.name = "Xe_M",
+	.ver = 12,
+	.rel = 0,
+
+	.hw_engine_mask =
+		BIT(XE_HW_ENGINE_VCS0) | BIT(XE_HW_ENGINE_VCS2) |
+		BIT(XE_HW_ENGINE_VECS0),
+};
+
+static const struct xe_media_desc media_xehpm = {
+	.name = "Xe_HPM",
+	.ver = 12,
+	.rel = 55,
+
+	.hw_engine_mask =
+		BIT(XE_HW_ENGINE_VCS0) | BIT(XE_HW_ENGINE_VCS2) |
+		BIT(XE_HW_ENGINE_VECS0) | BIT(XE_HW_ENGINE_VECS1),
+};
+
+static const struct xe_media_desc media_xelpmp = {
+	.name = "Xe_LPM+",
+	.hw_engine_mask =
+		BIT(XE_HW_ENGINE_VCS0) | BIT(XE_HW_ENGINE_VCS2) |
+		BIT(XE_HW_ENGINE_VECS0) | BIT(XE_HW_ENGINE_GSCCS0)
+};
+
+static const struct xe_media_desc media_xe2 = {
+	.name = "Xe2_LPM",
+	.hw_engine_mask =
+		BIT(XE_HW_ENGINE_VCS0) | BIT(XE_HW_ENGINE_VECS0), /* TODO: GSC0 */
+};
+
+static const struct xe_device_desc tgl_desc = {
+	.graphics = &graphics_xelp,
+	.media = &media_xem,
+	PLATFORM(XE_TIGERLAKE),
+	.has_display = true,
+	.has_llc = true,
+	.require_force_probe = true,
+};
+
+static const struct xe_device_desc rkl_desc = {
+	.graphics = &graphics_xelp,
+	.media = &media_xem,
+	PLATFORM(XE_ROCKETLAKE),
+	.has_display = true,
+	.has_llc = true,
+	.require_force_probe = true,
+};
+
+static const u16 adls_rpls_ids[] = { XE_RPLS_IDS(NOP), 0 };
+
+static const struct xe_device_desc adl_s_desc = {
+	.graphics = &graphics_xelp,
+	.media = &media_xem,
+	PLATFORM(XE_ALDERLAKE_S),
+	.has_display = true,
+	.has_llc = true,
+	.require_force_probe = true,
+	.subplatforms = (const struct xe_subplatform_desc[]) {
+		{ XE_SUBPLATFORM_ALDERLAKE_S_RPLS, "RPLS", adls_rpls_ids },
+		{},
+	},
+};
+
+static const u16 adlp_rplu_ids[] = { XE_RPLU_IDS(NOP), 0 };
+
+static const struct xe_device_desc adl_p_desc = {
+	.graphics = &graphics_xelp,
+	.media = &media_xem,
+	PLATFORM(XE_ALDERLAKE_P),
+	.has_display = true,
+	.has_llc = true,
+	.require_force_probe = true,
+	.subplatforms = (const struct xe_subplatform_desc[]) {
+		{ XE_SUBPLATFORM_ALDERLAKE_P_RPLU, "RPLU", adlp_rplu_ids },
+		{},
+	},
+};
+
+static const struct xe_device_desc adl_n_desc = {
+	.graphics = &graphics_xelp,
+	.media = &media_xem,
+	PLATFORM(XE_ALDERLAKE_N),
+	.has_display = true,
+	.has_llc = true,
+	.require_force_probe = true,
+};
+
+#define DGFX_FEATURES \
+	.is_dgfx = 1
+
+static const struct xe_device_desc dg1_desc = {
+	.graphics = &graphics_xelpp,
+	.media = &media_xem,
+	DGFX_FEATURES,
+	PLATFORM(XE_DG1),
+	.has_display = true,
+	.has_heci_gscfi = 1,
+	.require_force_probe = true,
+};
+
+static const u16 dg2_g10_ids[] = { XE_DG2_G10_IDS(NOP), XE_ATS_M150_IDS(NOP), 0 };
+static const u16 dg2_g11_ids[] = { XE_DG2_G11_IDS(NOP), XE_ATS_M75_IDS(NOP), 0 };
+static const u16 dg2_g12_ids[] = { XE_DG2_G12_IDS(NOP), 0 };
+
+#define DG2_FEATURES \
+	DGFX_FEATURES, \
+	PLATFORM(XE_DG2), \
+	.has_heci_gscfi = 1, \
+	.subplatforms = (const struct xe_subplatform_desc[]) { \
+		{ XE_SUBPLATFORM_DG2_G10, "G10", dg2_g10_ids }, \
+		{ XE_SUBPLATFORM_DG2_G11, "G11", dg2_g11_ids }, \
+		{ XE_SUBPLATFORM_DG2_G12, "G12", dg2_g12_ids }, \
+		{ } \
+	}
+
+static const struct xe_device_desc ats_m_desc = {
+	.graphics = &graphics_xehpg,
+	.media = &media_xehpm,
+	.require_force_probe = true,
+
+	DG2_FEATURES,
+	.has_display = false,
+};
+
+static const struct xe_device_desc dg2_desc = {
+	.graphics = &graphics_xehpg,
+	.media = &media_xehpm,
+	.require_force_probe = true,
+
+	DG2_FEATURES,
+	.has_display = true,
+};
+
+static const __maybe_unused struct xe_device_desc pvc_desc = {
+	.graphics = &graphics_xehpc,
+	DGFX_FEATURES,
+	PLATFORM(XE_PVC),
+	.has_display = false,
+	.has_heci_gscfi = 1,
+	.require_force_probe = true,
+};
+
+static const struct xe_device_desc mtl_desc = {
+	/* .graphics and .media determined via GMD_ID */
+	.require_force_probe = true,
+	PLATFORM(XE_METEORLAKE),
+	.has_display = true,
+};
+
+static const struct xe_device_desc lnl_desc = {
+	PLATFORM(XE_LUNARLAKE),
+	.require_force_probe = true,
+};
+
+#undef PLATFORM
+__diag_pop();
+
+/* Map of GMD_ID values to graphics IP */
+static struct gmdid_map graphics_ip_map[] = {
+	{ 1270, &graphics_xelpg },
+	{ 1271, &graphics_xelpg },
+	{ 2004, &graphics_xe2 },
+};
+
+/* Map of GMD_ID values to media IP */
+static struct gmdid_map media_ip_map[] = {
+	{ 1300, &media_xelpmp },
+	{ 2000, &media_xe2 },
+};
+
+#define INTEL_VGA_DEVICE(id, info) {			\
+	PCI_DEVICE(PCI_VENDOR_ID_INTEL, id),		\
+	PCI_BASE_CLASS_DISPLAY << 16, 0xff << 16,	\
+	(unsigned long) info }
+
+/*
+ * Make sure any device matches here are from most specific to most
+ * general.  For example, since the Quanta match is based on the subsystem
+ * and subvendor IDs, we need it to come before the more general IVB
+ * PCI ID matches, otherwise we'll use the wrong info struct above.
+ */
+static const struct pci_device_id pciidlist[] = {
+	XE_TGL_IDS(INTEL_VGA_DEVICE, &tgl_desc),
+	XE_RKL_IDS(INTEL_VGA_DEVICE, &rkl_desc),
+	XE_ADLS_IDS(INTEL_VGA_DEVICE, &adl_s_desc),
+	XE_ADLP_IDS(INTEL_VGA_DEVICE, &adl_p_desc),
+	XE_ADLN_IDS(INTEL_VGA_DEVICE, &adl_n_desc),
+	XE_RPLP_IDS(INTEL_VGA_DEVICE, &adl_p_desc),
+	XE_RPLS_IDS(INTEL_VGA_DEVICE, &adl_s_desc),
+	XE_DG1_IDS(INTEL_VGA_DEVICE, &dg1_desc),
+	XE_ATS_M_IDS(INTEL_VGA_DEVICE, &ats_m_desc),
+	XE_DG2_IDS(INTEL_VGA_DEVICE, &dg2_desc),
+	XE_MTL_IDS(INTEL_VGA_DEVICE, &mtl_desc),
+	XE_LNL_IDS(INTEL_VGA_DEVICE, &lnl_desc),
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, pciidlist);
+
+#undef INTEL_VGA_DEVICE
+
+/* is device_id present in comma separated list of ids */
+static bool device_id_in_list(u16 device_id, const char *devices, bool negative)
+{
+	char *s, *p, *tok;
+	bool ret;
+
+	if (!devices || !*devices)
+		return false;
+
+	/* match everything */
+	if (negative && strcmp(devices, "!*") == 0)
+		return true;
+	if (!negative && strcmp(devices, "*") == 0)
+		return true;
+
+	s = kstrdup(devices, GFP_KERNEL);
+	if (!s)
+		return false;
+
+	for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
+		u16 val;
+
+		if (negative && tok[0] == '!')
+			tok++;
+		else if ((negative && tok[0] != '!') ||
+			 (!negative && tok[0] == '!'))
+			continue;
+
+		if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
+			ret = true;
+			break;
+		}
+	}
+
+	kfree(s);
+
+	return ret;
+}
+
+static bool id_forced(u16 device_id)
+{
+	return device_id_in_list(device_id, xe_modparam.force_probe, false);
+}
+
+static bool id_blocked(u16 device_id)
+{
+	return device_id_in_list(device_id, xe_modparam.force_probe, true);
+}
+
+static const struct xe_subplatform_desc *
+find_subplatform(const struct xe_device *xe, const struct xe_device_desc *desc)
+{
+	const struct xe_subplatform_desc *sp;
+	const u16 *id;
+
+	for (sp = desc->subplatforms; sp && sp->subplatform; sp++)
+		for (id = sp->pciidlist; *id; id++)
+			if (*id == xe->info.devid)
+				return sp;
+
+	return NULL;
+}
+
+enum xe_gmdid_type {
+	GMDID_GRAPHICS,
+	GMDID_MEDIA
+};
+
+static void read_gmdid(struct xe_device *xe, enum xe_gmdid_type type, u32 *ver, u32 *revid)
+{
+	struct xe_gt *gt = xe_root_mmio_gt(xe);
+	struct xe_reg gmdid_reg = GMD_ID;
+	u32 val;
+
+	KUNIT_STATIC_STUB_REDIRECT(read_gmdid, xe, type, ver, revid);
+
+	if (type == GMDID_MEDIA)
+		gmdid_reg.addr += MEDIA_GT_GSI_OFFSET;
+
+	val = xe_mmio_read32(gt, gmdid_reg);
+	*ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val) * 100 + REG_FIELD_GET(GMD_ID_RELEASE_MASK, val);
+	*revid = REG_FIELD_GET(GMD_ID_REVID, val);
+}
+
+/*
+ * Pre-GMD_ID platform: device descriptor already points to the appropriate
+ * graphics descriptor. Simply forward the description and calculate the version
+ * appropriately. "graphics" should be present in all such platforms, while
+ * media is optional.
+ */
+static void handle_pre_gmdid(struct xe_device *xe,
+			     const struct xe_graphics_desc *graphics,
+			     const struct xe_media_desc *media)
+{
+	xe->info.graphics_verx100 = graphics->ver * 100 + graphics->rel;
+
+	if (media)
+		xe->info.media_verx100 = media->ver * 100 + media->rel;
+
+}
+
+/*
+ * GMD_ID platform: read IP version from hardware and select graphics descriptor
+ * based on the result.
+ */
+static void handle_gmdid(struct xe_device *xe,
+			 const struct xe_graphics_desc **graphics,
+			 const struct xe_media_desc **media,
+			 u32 *graphics_revid,
+			 u32 *media_revid)
+{
+	u32 ver;
+
+	read_gmdid(xe, GMDID_GRAPHICS, &ver, graphics_revid);
+
+	for (int i = 0; i < ARRAY_SIZE(graphics_ip_map); i++) {
+		if (ver == graphics_ip_map[i].ver) {
+			xe->info.graphics_verx100 = ver;
+			*graphics = graphics_ip_map[i].ip;
+
+			break;
+		}
+	}
+
+	if (!xe->info.graphics_verx100) {
+		drm_err(&xe->drm, "Hardware reports unknown graphics version %u.%02u\n",
+			ver / 100, ver % 100);
+	}
+
+	read_gmdid(xe, GMDID_MEDIA, &ver, media_revid);
+
+	/* Media may legitimately be fused off / not present */
+	if (ver == 0)
+		return;
+
+	for (int i = 0; i < ARRAY_SIZE(media_ip_map); i++) {
+		if (ver == media_ip_map[i].ver) {
+			xe->info.media_verx100 = ver;
+			*media = media_ip_map[i].ip;
+
+			break;
+		}
+	}
+
+	if (!xe->info.media_verx100) {
+		drm_err(&xe->drm, "Hardware reports unknown media version %u.%02u\n",
+			ver / 100, ver % 100);
+	}
+}
+
+/*
+ * Initialize device info content that only depends on static driver_data
+ * passed to the driver at probe time from PCI ID table.
+ */
+static int xe_info_init_early(struct xe_device *xe,
+			      const struct xe_device_desc *desc,
+			      const struct xe_subplatform_desc *subplatform_desc)
+{
+	int err;
+
+	xe->info.platform = desc->platform;
+	xe->info.subplatform = subplatform_desc ?
+		subplatform_desc->subplatform : XE_SUBPLATFORM_NONE;
+
+	xe->info.is_dgfx = desc->is_dgfx;
+	xe->info.has_heci_gscfi = desc->has_heci_gscfi;
+	xe->info.has_llc = desc->has_llc;
+	xe->info.has_mmio_ext = desc->has_mmio_ext;
+	xe->info.has_sriov = desc->has_sriov;
+	xe->info.skip_guc_pc = desc->skip_guc_pc;
+	xe->info.skip_mtcfg = desc->skip_mtcfg;
+	xe->info.skip_pcode = desc->skip_pcode;
+
+	xe->info.enable_display = IS_ENABLED(CONFIG_DRM_XE_DISPLAY) &&
+				  xe_modparam.enable_display &&
+				  desc->has_display;
+
+	err = xe_tile_init_early(xe_device_get_root_tile(xe), xe, 0);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+/*
+ * Initialize device info content that does require knowledge about
+ * graphics / media IP version.
+ * Make sure that GT / tile structures allocated by the driver match the data
+ * present in device info.
+ */
+static int xe_info_init(struct xe_device *xe,
+			const struct xe_graphics_desc *graphics_desc,
+			const struct xe_media_desc *media_desc)
+{
+	u32 graphics_gmdid_revid = 0, media_gmdid_revid = 0;
+	struct xe_tile *tile;
+	struct xe_gt *gt;
+	u8 id;
+
+	/*
+	 * If this platform supports GMD_ID, we'll detect the proper IP
+	 * descriptor to use from hardware registers. desc->graphics will only
+	 * ever be set at this point for platforms before GMD_ID. In that case
+	 * the IP descriptions and versions are simply derived from that.
+	 */
+	if (graphics_desc) {
+		handle_pre_gmdid(xe, graphics_desc, media_desc);
+		xe->info.step = xe_step_pre_gmdid_get(xe);
+	} else {
+		xe_assert(xe, !media_desc);
+		handle_gmdid(xe, &graphics_desc, &media_desc,
+			     &graphics_gmdid_revid, &media_gmdid_revid);
+		xe->info.step = xe_step_gmdid_get(xe,
+						  graphics_gmdid_revid,
+						  media_gmdid_revid);
+	}
+
+	/*
+	 * If we couldn't detect the graphics IP, that's considered a fatal
+	 * error and we should abort driver load.  Failing to detect media
+	 * IP is non-fatal; we'll just proceed without enabling media support.
+	 */
+	if (!graphics_desc)
+		return -ENODEV;
+
+	xe->info.graphics_name = graphics_desc->name;
+	xe->info.media_name = media_desc ? media_desc->name : "none";
+	xe->info.tile_mmio_ext_size = graphics_desc->tile_mmio_ext_size;
+
+	xe->info.dma_mask_size = graphics_desc->dma_mask_size;
+	xe->info.vram_flags = graphics_desc->vram_flags;
+	xe->info.va_bits = graphics_desc->va_bits;
+	xe->info.vm_max_level = graphics_desc->vm_max_level;
+	xe->info.has_asid = graphics_desc->has_asid;
+	xe->info.has_flat_ccs = graphics_desc->has_flat_ccs;
+	xe->info.has_range_tlb_invalidation = graphics_desc->has_range_tlb_invalidation;
+	xe->info.has_usm = graphics_desc->has_usm;
+
+	/*
+	 * All platforms have at least one primary GT.  Any platform with media
+	 * version 13 or higher has an additional dedicated media GT.  And
+	 * depending on the graphics IP there may be additional "remote tiles."
+	 * All of these together determine the overall GT count.
+	 *
+	 * FIXME: 'tile_count' here is misnamed since the rest of the driver
+	 * treats it as the number of GTs rather than just the number of tiles.
+	 */
+	xe->info.tile_count = 1 + graphics_desc->max_remote_tiles;
+
+	for_each_remote_tile(tile, xe, id) {
+		int err;
+
+		err = xe_tile_init_early(tile, xe, id);
+		if (err)
+			return err;
+	}
+
+	for_each_tile(tile, xe, id) {
+		gt = tile->primary_gt;
+		gt->info.id = xe->info.gt_count++;
+		gt->info.type = XE_GT_TYPE_MAIN;
+		gt->info.__engine_mask = graphics_desc->hw_engine_mask;
+		if (MEDIA_VER(xe) < 13 && media_desc)
+			gt->info.__engine_mask |= media_desc->hw_engine_mask;
+
+		if (MEDIA_VER(xe) < 13 || !media_desc)
+			continue;
+
+		/*
+		 * Allocate and setup media GT for platforms with standalone
+		 * media.
+		 */
+		tile->media_gt = xe_gt_alloc(tile);
+		if (IS_ERR(tile->media_gt))
+			return PTR_ERR(tile->media_gt);
+
+		gt = tile->media_gt;
+		gt->info.type = XE_GT_TYPE_MEDIA;
+		gt->info.__engine_mask = media_desc->hw_engine_mask;
+		gt->mmio.adj_offset = MEDIA_GT_GSI_OFFSET;
+		gt->mmio.adj_limit = MEDIA_GT_GSI_LENGTH;
+
+		/*
+		 * FIXME: At the moment multi-tile and standalone media are
+		 * mutually exclusive on current platforms.  We'll need to
+		 * come up with a better way to number GTs if we ever wind
+		 * up with platforms that support both together.
+		 */
+		drm_WARN_ON(&xe->drm, id != 0);
+		gt->info.id = xe->info.gt_count++;
+	}
+
+	return 0;
+}
+
+static void xe_pci_remove(struct pci_dev *pdev)
+{
+	struct xe_device *xe;
+
+	xe = pci_get_drvdata(pdev);
+	if (!xe) /* driver load aborted, nothing to cleanup */
+		return;
+
+	xe_device_remove(xe);
+	xe_pm_runtime_fini(xe);
+	pci_set_drvdata(pdev, NULL);
+}
+
+static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	const struct xe_device_desc *desc = (const void *)ent->driver_data;
+	const struct xe_subplatform_desc *subplatform_desc;
+	struct xe_device *xe;
+	int err;
+
+	if (desc->require_force_probe && !id_forced(pdev->device)) {
+		dev_info(&pdev->dev,
+			 "Your graphics device %04x is not officially supported\n"
+			 "by xe driver in this kernel version. To force Xe probe,\n"
+			 "use xe.force_probe='%04x' and i915.force_probe='!%04x'\n"
+			 "module parameters or CONFIG_DRM_XE_FORCE_PROBE='%04x' and\n"
+			 "CONFIG_DRM_I915_FORCE_PROBE='!%04x' configuration options.\n",
+			 pdev->device, pdev->device, pdev->device,
+			 pdev->device, pdev->device);
+		return -ENODEV;
+	}
+
+	if (id_blocked(pdev->device)) {
+		dev_info(&pdev->dev, "Probe blocked for device [%04x:%04x].\n",
+			 pdev->vendor, pdev->device);
+		return -ENODEV;
+	}
+
+	if (xe_display_driver_probe_defer(pdev))
+		return -EPROBE_DEFER;
+
+	err = pcim_enable_device(pdev);
+	if (err)
+		return err;
+
+	xe = xe_device_create(pdev, ent);
+	if (IS_ERR(xe))
+		return PTR_ERR(xe);
+
+	pci_set_drvdata(pdev, xe);
+
+	xe_pm_assert_unbounded_bridge(xe);
+	subplatform_desc = find_subplatform(xe, desc);
+
+	pci_set_master(pdev);
+
+	err = xe_info_init_early(xe, desc, subplatform_desc);
+	if (err)
+		return err;
+
+	xe_sriov_probe_early(xe, desc->has_sriov);
+
+	err = xe_device_probe_early(xe);
+	if (err)
+		return err;
+
+	err = xe_info_init(xe, desc->graphics, desc->media);
+	if (err)
+		return err;
+
+	xe_display_probe(xe);
+
+	drm_dbg(&xe->drm, "%s %s %04x:%04x dgfx:%d gfx:%s (%d.%02d) media:%s (%d.%02d) display:%s dma_m_s:%d tc:%d gscfi:%d",
+		desc->platform_name,
+		subplatform_desc ? subplatform_desc->name : "",
+		xe->info.devid, xe->info.revid,
+		xe->info.is_dgfx,
+		xe->info.graphics_name,
+		xe->info.graphics_verx100 / 100,
+		xe->info.graphics_verx100 % 100,
+		xe->info.media_name,
+		xe->info.media_verx100 / 100,
+		xe->info.media_verx100 % 100,
+		str_yes_no(xe->info.enable_display),
+		xe->info.dma_mask_size, xe->info.tile_count,
+		xe->info.has_heci_gscfi);
+
+	drm_dbg(&xe->drm, "Stepping = (G:%s, M:%s, D:%s, B:%s)\n",
+		xe_step_name(xe->info.step.graphics),
+		xe_step_name(xe->info.step.media),
+		xe_step_name(xe->info.step.display),
+		xe_step_name(xe->info.step.basedie));
+
+	drm_dbg(&xe->drm, "SR-IOV support: %s (mode: %s)\n",
+		str_yes_no(xe_device_has_sriov(xe)),
+		xe_sriov_mode_to_string(xe_device_sriov_mode(xe)));
+
+	err = xe_device_probe(xe);
+	if (err)
+		return err;
+
+	xe_pm_init(xe);
+
+	drm_dbg(&xe->drm, "d3cold: capable=%s\n",
+		str_yes_no(xe->d3cold.capable));
+
+	return 0;
+}
+
+static void xe_pci_shutdown(struct pci_dev *pdev)
+{
+	xe_device_shutdown(pdev_to_xe_device(pdev));
+}
+
+#ifdef CONFIG_PM_SLEEP
+static void d3cold_toggle(struct pci_dev *pdev, enum toggle_d3cold toggle)
+{
+	struct xe_device *xe = pdev_to_xe_device(pdev);
+	struct pci_dev *root_pdev;
+
+	if (!xe->d3cold.capable)
+		return;
+
+	root_pdev = pcie_find_root_port(pdev);
+	if (!root_pdev)
+		return;
+
+	switch (toggle) {
+	case D3COLD_DISABLE:
+		pci_d3cold_disable(root_pdev);
+		break;
+	case D3COLD_ENABLE:
+		pci_d3cold_enable(root_pdev);
+		break;
+	}
+}
+
+static int xe_pci_suspend(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	int err;
+
+	err = xe_pm_suspend(pdev_to_xe_device(pdev));
+	if (err)
+		return err;
+
+	/*
+	 * Enabling D3Cold is needed for S2Idle/S0ix.
+	 * It is save to allow here since xe_pm_suspend has evicted
+	 * the local memory and the direct complete optimization is disabled.
+	 */
+	d3cold_toggle(pdev, D3COLD_ENABLE);
+
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+
+	return 0;
+}
+
+static int xe_pci_resume(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	int err;
+
+	/* Give back the D3Cold decision to the runtime P M*/
+	d3cold_toggle(pdev, D3COLD_DISABLE);
+
+	err = pci_set_power_state(pdev, PCI_D0);
+	if (err)
+		return err;
+
+	err = pci_enable_device(pdev);
+	if (err)
+		return err;
+
+	pci_set_master(pdev);
+
+	err = xe_pm_resume(pdev_to_xe_device(pdev));
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static int xe_pci_runtime_suspend(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct xe_device *xe = pdev_to_xe_device(pdev);
+	int err;
+
+	err = xe_pm_runtime_suspend(xe);
+	if (err)
+		return err;
+
+	pci_save_state(pdev);
+
+	if (xe->d3cold.allowed) {
+		d3cold_toggle(pdev, D3COLD_ENABLE);
+		pci_disable_device(pdev);
+		pci_ignore_hotplug(pdev);
+		pci_set_power_state(pdev, PCI_D3cold);
+	} else {
+		d3cold_toggle(pdev, D3COLD_DISABLE);
+		pci_set_power_state(pdev, PCI_D3hot);
+	}
+
+	return 0;
+}
+
+static int xe_pci_runtime_resume(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct xe_device *xe = pdev_to_xe_device(pdev);
+	int err;
+
+	err = pci_set_power_state(pdev, PCI_D0);
+	if (err)
+		return err;
+
+	pci_restore_state(pdev);
+
+	if (xe->d3cold.allowed) {
+		err = pci_enable_device(pdev);
+		if (err)
+			return err;
+
+		pci_set_master(pdev);
+	}
+
+	return xe_pm_runtime_resume(xe);
+}
+
+static int xe_pci_runtime_idle(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct xe_device *xe = pdev_to_xe_device(pdev);
+
+	xe_pm_d3cold_allowed_toggle(xe);
+
+	return 0;
+}
+
+static const struct dev_pm_ops xe_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(xe_pci_suspend, xe_pci_resume)
+	SET_RUNTIME_PM_OPS(xe_pci_runtime_suspend, xe_pci_runtime_resume, xe_pci_runtime_idle)
+};
+#endif
+
+static struct pci_driver xe_pci_driver = {
+	.name = DRIVER_NAME,
+	.id_table = pciidlist,
+	.probe = xe_pci_probe,
+	.remove = xe_pci_remove,
+	.shutdown = xe_pci_shutdown,
+#ifdef CONFIG_PM_SLEEP
+	.driver.pm = &xe_pm_ops,
+#endif
+};
+
+int xe_register_pci_driver(void)
+{
+	return pci_register_driver(&xe_pci_driver);
+}
+
+void xe_unregister_pci_driver(void)
+{
+	pci_unregister_driver(&xe_pci_driver);
+}
+
+#if IS_ENABLED(CONFIG_DRM_XE_KUNIT_TEST)
+#include "tests/xe_pci.c"
+#endif