Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 854 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
new file mode 100644
index 000000000..7a8ce7239
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -0,0 +1,854 @@
+/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
+ */
+/*
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ *
+ */
+
+#ifndef _I915_DRV_H_
+#define _I915_DRV_H_
+
+#include <uapi/drm/i915_drm.h>
+
+#include <linux/pm_qos.h>
+
+#include <drm/ttm/ttm_device.h>
+
+#include "display/intel_display_limits.h"
+#include "display/intel_display_core.h"
+
+#include "gem/i915_gem_context_types.h"
+#include "gem/i915_gem_shrinker.h"
+#include "gem/i915_gem_stolen.h"
+
+#include "gt/intel_engine.h"
+#include "gt/intel_gt_types.h"
+#include "gt/intel_region_lmem.h"
+#include "gt/intel_workarounds.h"
+#include "gt/uc/intel_uc.h"
+
+#include "soc/intel_pch.h"
+
+#include "i915_drm_client.h"
+#include "i915_gem.h"
+#include "i915_gpu_error.h"
+#include "i915_params.h"
+#include "i915_perf_types.h"
+#include "i915_scheduler.h"
+#include "i915_utils.h"
+#include "intel_device_info.h"
+#include "intel_memory_region.h"
+#include "intel_runtime_pm.h"
+#include "intel_step.h"
+#include "intel_uncore.h"
+
+struct drm_i915_clock_gating_funcs;
+struct vlv_s0ix_state;
+struct intel_pxp;
+
+#define GEM_QUIRK_PIN_SWIZZLED_PAGES	BIT(0)
+
+/* Data Stolen Memory (DSM) aka "i915 stolen memory" */
+struct i915_dsm {
+	/*
+	 * The start and end of DSM which we can optionally use to create GEM
+	 * objects backed by stolen memory.
+	 *
+	 * Note that usable_size tells us exactly how much of this we are
+	 * actually allowed to use, given that some portion of it is in fact
+	 * reserved for use by hardware functions.
+	 */
+	struct resource stolen;
+
+	/*
+	 * Reserved portion of DSM.
+	 */
+	struct resource reserved;
+
+	/*
+	 * Total size minus reserved ranges.
+	 *
+	 * DSM is segmented in hardware with different portions offlimits to
+	 * certain functions.
+	 *
+	 * The drm_mm is initialised to the total accessible range, as found
+	 * from the PCI config. On Broadwell+, this is further restricted to
+	 * avoid the first page! The upper end of DSM is reserved for hardware
+	 * functions and similarly removed from the accessible range.
+	 */
+	resource_size_t usable_size;
+};
+
+struct i915_suspend_saved_registers {
+	u32 saveDSPARB;
+	u32 saveSWF0[16];
+	u32 saveSWF1[16];
+	u32 saveSWF3[3];
+	u16 saveGCDGMBUS;
+};
+
+#define MAX_L3_SLICES 2
+struct intel_l3_parity {
+	u32 *remap_info[MAX_L3_SLICES];
+	struct work_struct error_work;
+	int which_slice;
+};
+
+struct i915_gem_mm {
+	/*
+	 * Shortcut for the stolen region. This points to either
+	 * INTEL_REGION_STOLEN_SMEM for integrated platforms, or
+	 * INTEL_REGION_STOLEN_LMEM for discrete, or NULL if the device doesn't
+	 * support stolen.
+	 */
+	struct intel_memory_region *stolen_region;
+	/** Memory allocator for GTT stolen memory */
+	struct drm_mm stolen;
+	/** Protects the usage of the GTT stolen memory allocator. This is
+	 * always the inner lock when overlapping with struct_mutex. */
+	struct mutex stolen_lock;
+
+	/* Protects bound_list/unbound_list and #drm_i915_gem_object.mm.link */
+	spinlock_t obj_lock;
+
+	/**
+	 * List of objects which are purgeable.
+	 */
+	struct list_head purge_list;
+
+	/**
+	 * List of objects which have allocated pages and are shrinkable.
+	 */
+	struct list_head shrink_list;
+
+	/**
+	 * List of objects which are pending destruction.
+	 */
+	struct llist_head free_list;
+	struct work_struct free_work;
+	/**
+	 * Count of objects pending destructions. Used to skip needlessly
+	 * waiting on an RCU barrier if no objects are waiting to be freed.
+	 */
+	atomic_t free_count;
+
+	/**
+	 * tmpfs instance used for shmem backed objects
+	 */
+	struct vfsmount *gemfs;
+
+	struct intel_memory_region *regions[INTEL_REGION_UNKNOWN];
+
+	struct notifier_block oom_notifier;
+	struct notifier_block vmap_notifier;
+	struct shrinker shrinker;
+
+#ifdef CONFIG_MMU_NOTIFIER
+	/**
+	 * notifier_lock for mmu notifiers, memory may not be allocated
+	 * while holding this lock.
+	 */
+	rwlock_t notifier_lock;
+#endif
+
+	/* shrinker accounting, also useful for userland debugging */
+	u64 shrink_memory;
+	u32 shrink_count;
+};
+
+struct i915_virtual_gpu {
+	struct mutex lock; /* serialises sending of g2v_notify command pkts */
+	bool active;
+	u32 caps;
+	u32 *initial_mmio;
+	u8 *initial_cfg_space;
+	struct list_head entry;
+};
+
+struct i915_selftest_stash {
+	atomic_t counter;
+	struct ida mock_region_instances;
+};
+
+struct drm_i915_private {
+	struct drm_device drm;
+
+	struct intel_display display;
+
+	/* FIXME: Device release actions should all be moved to drmm_ */
+	bool do_release;
+
+	/* i915 device parameters */
+	struct i915_params params;
+
+	const struct intel_device_info *__info; /* Use INTEL_INFO() to access. */
+	struct intel_runtime_info __runtime; /* Use RUNTIME_INFO() to access. */
+	struct intel_driver_caps caps;
+
+	struct i915_dsm dsm;
+
+	struct intel_uncore uncore;
+	struct intel_uncore_mmio_debug mmio_debug;
+
+	struct i915_virtual_gpu vgpu;
+
+	struct intel_gvt *gvt;
+
+	struct {
+		struct pci_dev *pdev;
+		struct resource mch_res;
+		bool mchbar_need_disable;
+	} gmch;
+
+	struct rb_root uabi_engines;
+	unsigned int engine_uabi_class_count[I915_LAST_UABI_ENGINE_CLASS + 1];
+
+	/* protects the irq masks */
+	spinlock_t irq_lock;
+
+	bool display_irqs_enabled;
+
+	/* Sideband mailbox protection */
+	struct mutex sb_lock;
+	struct pm_qos_request sb_qos;
+
+	/** Cached value of IMR to avoid reads in updating the bitfield */
+	union {
+		u32 irq_mask;
+		u32 de_irq_mask[I915_MAX_PIPES];
+	};
+	u32 pipestat_irq_mask[I915_MAX_PIPES];
+
+	bool preserve_bios_swizzle;
+
+	unsigned int fsb_freq, mem_freq, is_ddr3;
+	unsigned int skl_preferred_vco_freq;
+
+	unsigned int max_dotclk_freq;
+	unsigned int hpll_freq;
+	unsigned int czclk_freq;
+
+	/**
+	 * wq - Driver workqueue for GEM.
+	 *
+	 * NOTE: Work items scheduled here are not allowed to grab any modeset
+	 * locks, for otherwise the flushing done in the pageflip code will
+	 * result in deadlocks.
+	 */
+	struct workqueue_struct *wq;
+
+	/**
+	 * unordered_wq - internal workqueue for unordered work
+	 *
+	 * This workqueue should be used for all unordered work
+	 * scheduling within i915, which used to be scheduled on the
+	 * system_wq before moving to a driver instance due
+	 * deprecation of flush_scheduled_work().
+	 */
+	struct workqueue_struct *unordered_wq;
+
+	/* pm private clock gating functions */
+	const struct drm_i915_clock_gating_funcs *clock_gating_funcs;
+
+	/* PCH chipset type */
+	enum intel_pch pch_type;
+	unsigned short pch_id;
+
+	unsigned long gem_quirks;
+
+	struct i915_gem_mm mm;
+
+	struct intel_l3_parity l3_parity;
+
+	/*
+	 * edram size in MB.
+	 * Cannot be determined by PCIID. You must always read a register.
+	 */
+	u32 edram_size_mb;
+
+	struct i915_gpu_error gpu_error;
+
+	u32 suspend_count;
+	struct i915_suspend_saved_registers regfile;
+	struct vlv_s0ix_state *vlv_s0ix_state;
+
+	struct dram_info {
+		bool wm_lv_0_adjust_needed;
+		u8 num_channels;
+		bool symmetric_memory;
+		enum intel_dram_type {
+			INTEL_DRAM_UNKNOWN,
+			INTEL_DRAM_DDR3,
+			INTEL_DRAM_DDR4,
+			INTEL_DRAM_LPDDR3,
+			INTEL_DRAM_LPDDR4,
+			INTEL_DRAM_DDR5,
+			INTEL_DRAM_LPDDR5,
+		} type;
+		u8 num_qgv_points;
+		u8 num_psf_gv_points;
+	} dram_info;
+
+	struct intel_runtime_pm runtime_pm;
+
+	struct i915_perf perf;
+
+	struct i915_hwmon *hwmon;
+
+	/* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
+	struct intel_gt gt0;
+
+	/*
+	 * i915->gt[0] == &i915->gt0
+	 */
+	struct intel_gt *gt[I915_MAX_GT];
+
+	struct kobject *sysfs_gt;
+
+	/* Quick lookup of media GT (current platforms only have one) */
+	struct intel_gt *media_gt;
+
+	struct {
+		struct i915_gem_contexts {
+			spinlock_t lock; /* locks list */
+			struct list_head list;
+		} contexts;
+
+		/*
+		 * We replace the local file with a global mappings as the
+		 * backing storage for the mmap is on the device and not
+		 * on the struct file, and we do not want to prolong the
+		 * lifetime of the local fd. To minimise the number of
+		 * anonymous inodes we create, we use a global singleton to
+		 * share the global mapping.
+		 */
+		struct file *mmap_singleton;
+	} gem;
+
+	struct intel_pxp *pxp;
+
+	/* For i915gm/i945gm vblank irq workaround */
+	u8 vblank_enabled;
+
+	bool irq_enabled;
+
+	struct i915_pmu pmu;
+
+	/* The TTM device structure. */
+	struct ttm_device bdev;
+
+	I915_SELFTEST_DECLARE(struct i915_selftest_stash selftest;)
+
+	/*
+	 * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
+	 * will be rejected. Instead look for a better place.
+	 */
+};
+
+static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
+{
+	return container_of(dev, struct drm_i915_private, drm);
+}
+
+static inline struct drm_i915_private *kdev_to_i915(struct device *kdev)
+{
+	return dev_get_drvdata(kdev);
+}
+
+static inline struct drm_i915_private *pdev_to_i915(struct pci_dev *pdev)
+{
+	return pci_get_drvdata(pdev);
+}
+
+static inline struct intel_gt *to_gt(struct drm_i915_private *i915)
+{
+	return &i915->gt0;
+}
+
+/* Simple iterator over all initialised engines */
+#define for_each_engine(engine__, gt__, id__) \
+	for ((id__) = 0; \
+	     (id__) < I915_NUM_ENGINES; \
+	     (id__)++) \
+		for_each_if ((engine__) = (gt__)->engine[(id__)])
+
+/* Iterator over subset of engines selected by mask */
+#define for_each_engine_masked(engine__, gt__, mask__, tmp__) \
+	for ((tmp__) = (mask__) & (gt__)->info.engine_mask; \
+	     (tmp__) ? \
+	     ((engine__) = (gt__)->engine[__mask_next_bit(tmp__)]), 1 : \
+	     0;)
+
+#define rb_to_uabi_engine(rb) \
+	rb_entry_safe(rb, struct intel_engine_cs, uabi_node)
+
+#define for_each_uabi_engine(engine__, i915__) \
+	for ((engine__) = rb_to_uabi_engine(rb_first(&(i915__)->uabi_engines));\
+	     (engine__); \
+	     (engine__) = rb_to_uabi_engine(rb_next(&(engine__)->uabi_node)))
+
+#define for_each_uabi_class_engine(engine__, class__, i915__) \
+	for ((engine__) = intel_engine_lookup_user((i915__), (class__), 0); \
+	     (engine__) && (engine__)->uabi_class == (class__); \
+	     (engine__) = rb_to_uabi_engine(rb_next(&(engine__)->uabi_node)))
+
+#define INTEL_INFO(i915)	((i915)->__info)
+#define RUNTIME_INFO(i915)	(&(i915)->__runtime)
+#define DISPLAY_INFO(i915)	((i915)->display.info.__device_info)
+#define DISPLAY_RUNTIME_INFO(i915)	(&(i915)->display.info.__runtime_info)
+#define DRIVER_CAPS(i915)	(&(i915)->caps)
+
+#define INTEL_DEVID(i915)	(RUNTIME_INFO(i915)->device_id)
+
+#define IP_VER(ver, rel)		((ver) << 8 | (rel))
+
+#define GRAPHICS_VER(i915)		(RUNTIME_INFO(i915)->graphics.ip.ver)
+#define GRAPHICS_VER_FULL(i915)		IP_VER(RUNTIME_INFO(i915)->graphics.ip.ver, \
+					       RUNTIME_INFO(i915)->graphics.ip.rel)
+#define IS_GRAPHICS_VER(i915, from, until) \
+	(GRAPHICS_VER(i915) >= (from) && GRAPHICS_VER(i915) <= (until))
+
+#define MEDIA_VER(i915)			(RUNTIME_INFO(i915)->media.ip.ver)
+#define MEDIA_VER_FULL(i915)		IP_VER(RUNTIME_INFO(i915)->media.ip.ver, \
+					       RUNTIME_INFO(i915)->media.ip.rel)
+#define IS_MEDIA_VER(i915, from, until) \
+	(MEDIA_VER(i915) >= (from) && MEDIA_VER(i915) <= (until))
+
+#define DISPLAY_VER(i915)	(DISPLAY_RUNTIME_INFO(i915)->ip.ver)
+#define IS_DISPLAY_VER(i915, from, until) \
+	(DISPLAY_VER(i915) >= (from) && DISPLAY_VER(i915) <= (until))
+
+#define INTEL_REVID(i915)	(to_pci_dev((i915)->drm.dev)->revision)
+
+#define INTEL_DISPLAY_STEP(__i915) (RUNTIME_INFO(__i915)->step.display_step)
+#define INTEL_GRAPHICS_STEP(__i915) (RUNTIME_INFO(__i915)->step.graphics_step)
+#define INTEL_MEDIA_STEP(__i915) (RUNTIME_INFO(__i915)->step.media_step)
+#define INTEL_BASEDIE_STEP(__i915) (RUNTIME_INFO(__i915)->step.basedie_step)
+
+#define IS_DISPLAY_STEP(__i915, since, until) \
+	(drm_WARN_ON(&(__i915)->drm, INTEL_DISPLAY_STEP(__i915) == STEP_NONE), \
+	 INTEL_DISPLAY_STEP(__i915) >= (since) && INTEL_DISPLAY_STEP(__i915) < (until))
+
+#define IS_GRAPHICS_STEP(__i915, since, until) \
+	(drm_WARN_ON(&(__i915)->drm, INTEL_GRAPHICS_STEP(__i915) == STEP_NONE), \
+	 INTEL_GRAPHICS_STEP(__i915) >= (since) && INTEL_GRAPHICS_STEP(__i915) < (until))
+
+#define IS_MEDIA_STEP(__i915, since, until) \
+	(drm_WARN_ON(&(__i915)->drm, INTEL_MEDIA_STEP(__i915) == STEP_NONE), \
+	 INTEL_MEDIA_STEP(__i915) >= (since) && INTEL_MEDIA_STEP(__i915) < (until))
+
+#define IS_BASEDIE_STEP(__i915, since, until) \
+	(drm_WARN_ON(&(__i915)->drm, INTEL_BASEDIE_STEP(__i915) == STEP_NONE), \
+	 INTEL_BASEDIE_STEP(__i915) >= (since) && INTEL_BASEDIE_STEP(__i915) < (until))
+
+static __always_inline unsigned int
+__platform_mask_index(const struct intel_runtime_info *info,
+		      enum intel_platform p)
+{
+	const unsigned int pbits =
+		BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
+
+	/* Expand the platform_mask array if this fails. */
+	BUILD_BUG_ON(INTEL_MAX_PLATFORMS >
+		     pbits * ARRAY_SIZE(info->platform_mask));
+
+	return p / pbits;
+}
+
+static __always_inline unsigned int
+__platform_mask_bit(const struct intel_runtime_info *info,
+		    enum intel_platform p)
+{
+	const unsigned int pbits =
+		BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
+
+	return p % pbits + INTEL_SUBPLATFORM_BITS;
+}
+
+static inline u32
+intel_subplatform(const struct intel_runtime_info *info, enum intel_platform p)
+{
+	const unsigned int pi = __platform_mask_index(info, p);
+
+	return info->platform_mask[pi] & INTEL_SUBPLATFORM_MASK;
+}
+
+static __always_inline bool
+IS_PLATFORM(const struct drm_i915_private *i915, enum intel_platform p)
+{
+	const struct intel_runtime_info *info = RUNTIME_INFO(i915);
+	const unsigned int pi = __platform_mask_index(info, p);
+	const unsigned int pb = __platform_mask_bit(info, p);
+
+	BUILD_BUG_ON(!__builtin_constant_p(p));
+
+	return info->platform_mask[pi] & BIT(pb);
+}
+
+static __always_inline bool
+IS_SUBPLATFORM(const struct drm_i915_private *i915,
+	       enum intel_platform p, unsigned int s)
+{
+	const struct intel_runtime_info *info = RUNTIME_INFO(i915);
+	const unsigned int pi = __platform_mask_index(info, p);
+	const unsigned int pb = __platform_mask_bit(info, p);
+	const unsigned int msb = BITS_PER_TYPE(info->platform_mask[0]) - 1;
+	const u32 mask = info->platform_mask[pi];
+
+	BUILD_BUG_ON(!__builtin_constant_p(p));
+	BUILD_BUG_ON(!__builtin_constant_p(s));
+	BUILD_BUG_ON((s) >= INTEL_SUBPLATFORM_BITS);
+
+	/* Shift and test on the MSB position so sign flag can be used. */
+	return ((mask << (msb - pb)) & (mask << (msb - s))) & BIT(msb);
+}
+
+#define IS_MOBILE(i915)	(INTEL_INFO(i915)->is_mobile)
+#define IS_DGFX(i915)   (INTEL_INFO(i915)->is_dgfx)
+
+#define IS_I830(i915)	IS_PLATFORM(i915, INTEL_I830)
+#define IS_I845G(i915)	IS_PLATFORM(i915, INTEL_I845G)
+#define IS_I85X(i915)	IS_PLATFORM(i915, INTEL_I85X)
+#define IS_I865G(i915)	IS_PLATFORM(i915, INTEL_I865G)
+#define IS_I915G(i915)	IS_PLATFORM(i915, INTEL_I915G)
+#define IS_I915GM(i915)	IS_PLATFORM(i915, INTEL_I915GM)
+#define IS_I945G(i915)	IS_PLATFORM(i915, INTEL_I945G)
+#define IS_I945GM(i915)	IS_PLATFORM(i915, INTEL_I945GM)
+#define IS_I965G(i915)	IS_PLATFORM(i915, INTEL_I965G)
+#define IS_I965GM(i915)	IS_PLATFORM(i915, INTEL_I965GM)
+#define IS_G45(i915)	IS_PLATFORM(i915, INTEL_G45)
+#define IS_GM45(i915)	IS_PLATFORM(i915, INTEL_GM45)
+#define IS_G4X(i915)	(IS_G45(i915) || IS_GM45(i915))
+#define IS_PINEVIEW(i915)	IS_PLATFORM(i915, INTEL_PINEVIEW)
+#define IS_G33(i915)	IS_PLATFORM(i915, INTEL_G33)
+#define IS_IRONLAKE(i915)	IS_PLATFORM(i915, INTEL_IRONLAKE)
+#define IS_IRONLAKE_M(i915) \
+	(IS_PLATFORM(i915, INTEL_IRONLAKE) && IS_MOBILE(i915))
+#define IS_SANDYBRIDGE(i915) IS_PLATFORM(i915, INTEL_SANDYBRIDGE)
+#define IS_IVYBRIDGE(i915)	IS_PLATFORM(i915, INTEL_IVYBRIDGE)
+#define IS_IVB_GT1(i915)	(IS_IVYBRIDGE(i915) && \
+				 INTEL_INFO(i915)->gt == 1)
+#define IS_VALLEYVIEW(i915)	IS_PLATFORM(i915, INTEL_VALLEYVIEW)
+#define IS_CHERRYVIEW(i915)	IS_PLATFORM(i915, INTEL_CHERRYVIEW)
+#define IS_HASWELL(i915)	IS_PLATFORM(i915, INTEL_HASWELL)
+#define IS_BROADWELL(i915)	IS_PLATFORM(i915, INTEL_BROADWELL)
+#define IS_SKYLAKE(i915)	IS_PLATFORM(i915, INTEL_SKYLAKE)
+#define IS_BROXTON(i915)	IS_PLATFORM(i915, INTEL_BROXTON)
+#define IS_KABYLAKE(i915)	IS_PLATFORM(i915, INTEL_KABYLAKE)
+#define IS_GEMINILAKE(i915)	IS_PLATFORM(i915, INTEL_GEMINILAKE)
+#define IS_COFFEELAKE(i915)	IS_PLATFORM(i915, INTEL_COFFEELAKE)
+#define IS_COMETLAKE(i915)	IS_PLATFORM(i915, INTEL_COMETLAKE)
+#define IS_ICELAKE(i915)	IS_PLATFORM(i915, INTEL_ICELAKE)
+#define IS_JASPERLAKE(i915)	IS_PLATFORM(i915, INTEL_JASPERLAKE)
+#define IS_ELKHARTLAKE(i915)	IS_PLATFORM(i915, INTEL_ELKHARTLAKE)
+#define IS_TIGERLAKE(i915)	IS_PLATFORM(i915, INTEL_TIGERLAKE)
+#define IS_ROCKETLAKE(i915)	IS_PLATFORM(i915, INTEL_ROCKETLAKE)
+#define IS_DG1(i915)        IS_PLATFORM(i915, INTEL_DG1)
+#define IS_ALDERLAKE_S(i915) IS_PLATFORM(i915, INTEL_ALDERLAKE_S)
+#define IS_ALDERLAKE_P(i915) IS_PLATFORM(i915, INTEL_ALDERLAKE_P)
+#define IS_XEHPSDV(i915) IS_PLATFORM(i915, INTEL_XEHPSDV)
+#define IS_DG2(i915)	IS_PLATFORM(i915, INTEL_DG2)
+#define IS_PONTEVECCHIO(i915) IS_PLATFORM(i915, INTEL_PONTEVECCHIO)
+#define IS_METEORLAKE(i915) IS_PLATFORM(i915, INTEL_METEORLAKE)
+
+#define IS_METEORLAKE_M(i915) \
+	IS_SUBPLATFORM(i915, INTEL_METEORLAKE, INTEL_SUBPLATFORM_M)
+#define IS_METEORLAKE_P(i915) \
+	IS_SUBPLATFORM(i915, INTEL_METEORLAKE, INTEL_SUBPLATFORM_P)
+#define IS_DG2_G10(i915) \
+	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G10)
+#define IS_DG2_G11(i915) \
+	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G11)
+#define IS_DG2_G12(i915) \
+	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G12)
+#define IS_RAPTORLAKE_S(i915) \
+	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_S, INTEL_SUBPLATFORM_RPL)
+#define IS_ALDERLAKE_P_N(i915) \
+	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_N)
+#define IS_RAPTORLAKE_P(i915) \
+	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPL)
+#define IS_RAPTORLAKE_U(i915) \
+	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPLU)
+#define IS_HASWELL_EARLY_SDV(i915) (IS_HASWELL(i915) && \
+				    (INTEL_DEVID(i915) & 0xFF00) == 0x0C00)
+#define IS_BROADWELL_ULT(i915) \
+	IS_SUBPLATFORM(i915, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULT)
+#define IS_BROADWELL_ULX(i915) \
+	IS_SUBPLATFORM(i915, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULX)
+#define IS_BROADWELL_GT3(i915)	(IS_BROADWELL(i915) && \
+				 INTEL_INFO(i915)->gt == 3)
+#define IS_HASWELL_ULT(i915) \
+	IS_SUBPLATFORM(i915, INTEL_HASWELL, INTEL_SUBPLATFORM_ULT)
+#define IS_HASWELL_GT3(i915)	(IS_HASWELL(i915) && \
+				 INTEL_INFO(i915)->gt == 3)
+#define IS_HASWELL_GT1(i915)	(IS_HASWELL(i915) && \
+				 INTEL_INFO(i915)->gt == 1)
+/* ULX machines are also considered ULT. */
+#define IS_HASWELL_ULX(i915) \
+	IS_SUBPLATFORM(i915, INTEL_HASWELL, INTEL_SUBPLATFORM_ULX)
+#define IS_SKYLAKE_ULT(i915) \
+	IS_SUBPLATFORM(i915, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULT)
+#define IS_SKYLAKE_ULX(i915) \
+	IS_SUBPLATFORM(i915, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULX)
+#define IS_KABYLAKE_ULT(i915) \
+	IS_SUBPLATFORM(i915, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULT)
+#define IS_KABYLAKE_ULX(i915) \
+	IS_SUBPLATFORM(i915, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULX)
+#define IS_SKYLAKE_GT2(i915)	(IS_SKYLAKE(i915) && \
+				 INTEL_INFO(i915)->gt == 2)
+#define IS_SKYLAKE_GT3(i915)	(IS_SKYLAKE(i915) && \
+				 INTEL_INFO(i915)->gt == 3)
+#define IS_SKYLAKE_GT4(i915)	(IS_SKYLAKE(i915) && \
+				 INTEL_INFO(i915)->gt == 4)
+#define IS_KABYLAKE_GT2(i915)	(IS_KABYLAKE(i915) && \
+				 INTEL_INFO(i915)->gt == 2)
+#define IS_KABYLAKE_GT3(i915)	(IS_KABYLAKE(i915) && \
+				 INTEL_INFO(i915)->gt == 3)
+#define IS_COFFEELAKE_ULT(i915) \
+	IS_SUBPLATFORM(i915, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULT)
+#define IS_COFFEELAKE_ULX(i915) \
+	IS_SUBPLATFORM(i915, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULX)
+#define IS_COFFEELAKE_GT2(i915)	(IS_COFFEELAKE(i915) && \
+				 INTEL_INFO(i915)->gt == 2)
+#define IS_COFFEELAKE_GT3(i915)	(IS_COFFEELAKE(i915) && \
+				 INTEL_INFO(i915)->gt == 3)
+
+#define IS_COMETLAKE_ULT(i915) \
+	IS_SUBPLATFORM(i915, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULT)
+#define IS_COMETLAKE_ULX(i915) \
+	IS_SUBPLATFORM(i915, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULX)
+#define IS_COMETLAKE_GT2(i915)	(IS_COMETLAKE(i915) && \
+				 INTEL_INFO(i915)->gt == 2)
+
+#define IS_ICL_WITH_PORT_F(i915) \
+	IS_SUBPLATFORM(i915, INTEL_ICELAKE, INTEL_SUBPLATFORM_PORTF)
+
+#define IS_TIGERLAKE_UY(i915) \
+	IS_SUBPLATFORM(i915, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_UY)
+
+
+
+
+
+
+
+
+#define IS_XEHPSDV_GRAPHICS_STEP(__i915, since, until) \
+	(IS_XEHPSDV(__i915) && IS_GRAPHICS_STEP(__i915, since, until))
+
+#define IS_MTL_GRAPHICS_STEP(__i915, variant, since, until) \
+	(IS_SUBPLATFORM(__i915, INTEL_METEORLAKE, INTEL_SUBPLATFORM_##variant) && \
+	 IS_GRAPHICS_STEP(__i915, since, until))
+
+#define IS_MTL_DISPLAY_STEP(__i915, since, until) \
+	(IS_METEORLAKE(__i915) && \
+	 IS_DISPLAY_STEP(__i915, since, until))
+
+#define IS_MTL_MEDIA_STEP(__i915, since, until) \
+	(IS_METEORLAKE(__i915) && \
+	 IS_MEDIA_STEP(__i915, since, until))
+
+/*
+ * DG2 hardware steppings are a bit unusual.  The hardware design was forked to
+ * create three variants (G10, G11, and G12) which each have distinct
+ * workaround sets.  The G11 and G12 forks of the DG2 design reset the GT
+ * stepping back to "A0" for their first iterations, even though they're more
+ * similar to a G10 B0 stepping and G10 C0 stepping respectively in terms of
+ * functionality and workarounds.  However the display stepping does not reset
+ * in the same manner --- a specific stepping like "B0" has a consistent
+ * meaning regardless of whether it belongs to a G10, G11, or G12 DG2.
+ *
+ * TLDR:  All GT workarounds and stepping-specific logic must be applied in
+ * relation to a specific subplatform (G10/G11/G12), whereas display workarounds
+ * and stepping-specific logic will be applied with a general DG2-wide stepping
+ * number.
+ */
+#define IS_DG2_GRAPHICS_STEP(__i915, variant, since, until) \
+	(IS_SUBPLATFORM(__i915, INTEL_DG2, INTEL_SUBPLATFORM_##variant) && \
+	 IS_GRAPHICS_STEP(__i915, since, until))
+
+#define IS_DG2_DISPLAY_STEP(__i915, since, until) \
+	(IS_DG2(__i915) && \
+	 IS_DISPLAY_STEP(__i915, since, until))
+
+#define IS_PVC_BD_STEP(__i915, since, until) \
+	(IS_PONTEVECCHIO(__i915) && \
+	 IS_BASEDIE_STEP(__i915, since, until))
+
+#define IS_PVC_CT_STEP(__i915, since, until) \
+	(IS_PONTEVECCHIO(__i915) && \
+	 IS_GRAPHICS_STEP(__i915, since, until))
+
+#define IS_LP(i915)		(INTEL_INFO(i915)->is_lp)
+#define IS_GEN9_LP(i915)	(GRAPHICS_VER(i915) == 9 && IS_LP(i915))
+#define IS_GEN9_BC(i915)	(GRAPHICS_VER(i915) == 9 && !IS_LP(i915))
+
+#define __HAS_ENGINE(engine_mask, id) ((engine_mask) & BIT(id))
+#define HAS_ENGINE(gt, id) __HAS_ENGINE((gt)->info.engine_mask, id)
+
+#define __ENGINE_INSTANCES_MASK(mask, first, count) ({			\
+	unsigned int first__ = (first);					\
+	unsigned int count__ = (count);					\
+	((mask) & GENMASK(first__ + count__ - 1, first__)) >> first__;	\
+})
+
+#define ENGINE_INSTANCES_MASK(gt, first, count) \
+	__ENGINE_INSTANCES_MASK((gt)->info.engine_mask, first, count)
+
+#define RCS_MASK(gt) \
+	ENGINE_INSTANCES_MASK(gt, RCS0, I915_MAX_RCS)
+#define BCS_MASK(gt) \
+	ENGINE_INSTANCES_MASK(gt, BCS0, I915_MAX_BCS)
+#define VDBOX_MASK(gt) \
+	ENGINE_INSTANCES_MASK(gt, VCS0, I915_MAX_VCS)
+#define VEBOX_MASK(gt) \
+	ENGINE_INSTANCES_MASK(gt, VECS0, I915_MAX_VECS)
+#define CCS_MASK(gt) \
+	ENGINE_INSTANCES_MASK(gt, CCS0, I915_MAX_CCS)
+
+#define HAS_MEDIA_RATIO_MODE(i915) (INTEL_INFO(i915)->has_media_ratio_mode)
+
+/*
+ * The Gen7 cmdparser copies the scanned buffer to the ggtt for execution
+ * All later gens can run the final buffer from the ppgtt
+ */
+#define CMDPARSER_USES_GGTT(i915) (GRAPHICS_VER(i915) == 7)
+
+#define HAS_LLC(i915)	(INTEL_INFO(i915)->has_llc)
+#define HAS_4TILE(i915)	(INTEL_INFO(i915)->has_4tile)
+#define HAS_SNOOP(i915)	(INTEL_INFO(i915)->has_snoop)
+#define HAS_EDRAM(i915)	((i915)->edram_size_mb)
+#define HAS_SECURE_BATCHES(i915) (GRAPHICS_VER(i915) < 6)
+#define HAS_WT(i915)	HAS_EDRAM(i915)
+
+#define HWS_NEEDS_PHYSICAL(i915)	(INTEL_INFO(i915)->hws_needs_physical)
+
+#define HAS_LOGICAL_RING_CONTEXTS(i915) \
+		(INTEL_INFO(i915)->has_logical_ring_contexts)
+#define HAS_LOGICAL_RING_ELSQ(i915) \
+		(INTEL_INFO(i915)->has_logical_ring_elsq)
+
+#define HAS_EXECLISTS(i915) HAS_LOGICAL_RING_CONTEXTS(i915)
+
+#define INTEL_PPGTT(i915) (RUNTIME_INFO(i915)->ppgtt_type)
+#define HAS_PPGTT(i915) \
+	(INTEL_PPGTT(i915) != INTEL_PPGTT_NONE)
+#define HAS_FULL_PPGTT(i915) \
+	(INTEL_PPGTT(i915) >= INTEL_PPGTT_FULL)
+
+#define HAS_PAGE_SIZES(i915, sizes) ({ \
+	GEM_BUG_ON((sizes) == 0); \
+	((sizes) & ~RUNTIME_INFO(i915)->page_sizes) == 0; \
+})
+
+/* Early gen2 have a totally busted CS tlb and require pinned batches. */
+#define HAS_BROKEN_CS_TLB(i915)	(IS_I830(i915) || IS_I845G(i915))
+
+#define NEEDS_RC6_CTX_CORRUPTION_WA(i915)	\
+	(IS_BROADWELL(i915) || GRAPHICS_VER(i915) == 9)
+
+/* WaRsDisableCoarsePowerGating:skl,cnl */
+#define NEEDS_WaRsDisableCoarsePowerGating(i915)			\
+	(IS_SKYLAKE_GT3(i915) || IS_SKYLAKE_GT4(i915))
+
+/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
+ * rows, which changed the alignment requirements and fence programming.
+ */
+#define HAS_128_BYTE_Y_TILING(i915) (GRAPHICS_VER(i915) != 2 && \
+					 !(IS_I915G(i915) || IS_I915GM(i915)))
+
+#define HAS_RC6(i915)		 (INTEL_INFO(i915)->has_rc6)
+#define HAS_RC6p(i915)		 (INTEL_INFO(i915)->has_rc6p)
+#define HAS_RC6pp(i915)		 (false) /* HW was never validated */
+
+#define HAS_RPS(i915)	(INTEL_INFO(i915)->has_rps)
+
+#define HAS_HECI_PXP(i915) \
+	(INTEL_INFO(i915)->has_heci_pxp)
+
+#define HAS_HECI_GSCFI(i915) \
+	(INTEL_INFO(i915)->has_heci_gscfi)
+
+#define HAS_HECI_GSC(i915) (HAS_HECI_PXP(i915) || HAS_HECI_GSCFI(i915))
+
+#define HAS_RUNTIME_PM(i915) (INTEL_INFO(i915)->has_runtime_pm)
+#define HAS_64BIT_RELOC(i915) (INTEL_INFO(i915)->has_64bit_reloc)
+
+#define HAS_OA_BPC_REPORTING(i915) \
+	(INTEL_INFO(i915)->has_oa_bpc_reporting)
+#define HAS_OA_SLICE_CONTRIB_LIMITS(i915) \
+	(INTEL_INFO(i915)->has_oa_slice_contrib_limits)
+#define HAS_OAM(i915) \
+	(INTEL_INFO(i915)->has_oam)
+
+/*
+ * Set this flag, when platform requires 64K GTT page sizes or larger for
+ * device local memory access.
+ */
+#define HAS_64K_PAGES(i915) (INTEL_INFO(i915)->has_64k_pages)
+
+#define HAS_REGION(i915, i) (INTEL_INFO(i915)->memory_regions & (i))
+#define HAS_LMEM(i915) HAS_REGION(i915, REGION_LMEM)
+
+#define HAS_EXTRA_GT_LIST(i915)   (INTEL_INFO(i915)->extra_gt_list)
+
+/*
+ * Platform has the dedicated compression control state for each lmem surfaces
+ * stored in lmem to support the 3D and media compression formats.
+ */
+#define HAS_FLAT_CCS(i915)   (INTEL_INFO(i915)->has_flat_ccs)
+
+#define HAS_GT_UC(i915)	(INTEL_INFO(i915)->has_gt_uc)
+
+#define HAS_POOLED_EU(i915)	(RUNTIME_INFO(i915)->has_pooled_eu)
+
+#define HAS_GLOBAL_MOCS_REGISTERS(i915)	(INTEL_INFO(i915)->has_global_mocs)
+
+#define HAS_GMD_ID(i915)	(INTEL_INFO(i915)->has_gmd_id)
+
+#define HAS_L3_CCS_READ(i915) (INTEL_INFO(i915)->has_l3_ccs_read)
+
+/* DPF == dynamic parity feature */
+#define HAS_L3_DPF(i915) (INTEL_INFO(i915)->has_l3_dpf)
+#define NUM_L3_SLICES(i915) (IS_HASWELL_GT3(i915) ? \
+				 2 : HAS_L3_DPF(i915))
+
+/* Only valid when HAS_DISPLAY() is true */
+#define INTEL_DISPLAY_ENABLED(i915) \
+	(drm_WARN_ON(&(i915)->drm, !HAS_DISPLAY(i915)),		\
+	 !(i915)->params.disable_display &&				\
+	 !intel_opregion_headless_sku(i915))
+
+#define HAS_GUC_DEPRIVILEGE(i915) \
+	(INTEL_INFO(i915)->has_guc_deprivilege)
+
+#define HAS_3D_PIPELINE(i915)	(INTEL_INFO(i915)->has_3d_pipeline)
+
+#define HAS_ONE_EU_PER_FUSE_BIT(i915)	(INTEL_INFO(i915)->has_one_eu_per_fuse_bit)
+
+#define HAS_LMEMBAR_SMEM_STOLEN(i915) (!HAS_LMEM(i915) && \
+				       GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
+
+#endif