drivers/gpu/drm/panfrost/panfrost_features.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/panfrost/panfrost_features.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/panfrost/panfrost_features.h
Extension
.h
Size
4205 bytes
Lines
131
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __PANFROST_FEATURES_H__
#define __PANFROST_FEATURES_H__

#include <linux/bitops.h>

#include "panfrost_device.h"

enum panfrost_hw_feature {
	HW_FEATURE_JOBCHAIN_DISAMBIGUATION,
	HW_FEATURE_PWRON_DURING_PWROFF_TRANS,
	HW_FEATURE_XAFFINITY,
	HW_FEATURE_V4,
	HW_FEATURE_FLUSH_REDUCTION,
	HW_FEATURE_PROTECTED_MODE,
	HW_FEATURE_COHERENCY_REG,
	HW_FEATURE_PROTECTED_DEBUG_MODE,
	HW_FEATURE_AARCH64_MMU,
	HW_FEATURE_TLS_HASHING,
	HW_FEATURE_THREAD_GROUP_SPLIT,
	HW_FEATURE_IDVS_GROUP_SIZE,
	HW_FEATURE_CLEAN_ONLY_SAFE,
	HW_FEATURE_3BIT_EXT_RW_L2_MMU_CONFIG,
};

#define hw_features_t600 (\
	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
	BIT_ULL(HW_FEATURE_V4))

#define hw_features_t620 hw_features_t600

#define hw_features_t720 hw_features_t600

#define hw_features_t760 (\
	BIT_ULL(HW_FEATURE_JOBCHAIN_DISAMBIGUATION) | \
	BIT_ULL(HW_FEATURE_PWRON_DURING_PWROFF_TRANS) | \
	BIT_ULL(HW_FEATURE_XAFFINITY) | \
	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT))

#define hw_features_t860 hw_features_t760

#define hw_features_t880 hw_features_t760

#define hw_features_t830 hw_features_t760

#define hw_features_t820 hw_features_t760

#define hw_features_g71 (\
	BIT_ULL(HW_FEATURE_JOBCHAIN_DISAMBIGUATION) | \
	BIT_ULL(HW_FEATURE_PWRON_DURING_PWROFF_TRANS) | \
	BIT_ULL(HW_FEATURE_XAFFINITY) | \
	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
	BIT_ULL(HW_FEATURE_COHERENCY_REG))

#define hw_features_g72 (\
	BIT_ULL(HW_FEATURE_JOBCHAIN_DISAMBIGUATION) | \
	BIT_ULL(HW_FEATURE_PWRON_DURING_PWROFF_TRANS) | \
	BIT_ULL(HW_FEATURE_XAFFINITY) | \
	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
	BIT_ULL(HW_FEATURE_COHERENCY_REG))

#define hw_features_g51 hw_features_g72

#define hw_features_g52 (\
	BIT_ULL(HW_FEATURE_JOBCHAIN_DISAMBIGUATION) | \
	BIT_ULL(HW_FEATURE_PWRON_DURING_PWROFF_TRANS) | \
	BIT_ULL(HW_FEATURE_XAFFINITY) | \
	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
	BIT_ULL(HW_FEATURE_IDVS_GROUP_SIZE) | \
	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
	BIT_ULL(HW_FEATURE_COHERENCY_REG))

#define hw_features_g76 (\
	BIT_ULL(HW_FEATURE_JOBCHAIN_DISAMBIGUATION) | \
	BIT_ULL(HW_FEATURE_PWRON_DURING_PWROFF_TRANS) | \
	BIT_ULL(HW_FEATURE_XAFFINITY) | \
	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
	BIT_ULL(HW_FEATURE_COHERENCY_REG) | \

Annotation

Implementation Notes