From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 206 ++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 194 insertions(+), 12 deletions(-)
diff --git a/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 5c76a81..aa0c837 100644
--- a/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -30,19 +30,78 @@
#include "amdgpu_irq.h"
+/* VA hole for 48bit addresses on Vega10 */
+#define AMDGPU_GMC_HOLE_START 0x0000800000000000ULL
+#define AMDGPU_GMC_HOLE_END 0xffff800000000000ULL
+
+/*
+ * Hardware is programmed as if the hole doesn't exists with start and end
+ * address values.
+ *
+ * This mask is used to remove the upper 16bits of the VA and so come up with
+ * the linear addr value.
+ */
+#define AMDGPU_GMC_HOLE_MASK 0x0000ffffffffffffULL
+
+/*
+ * Ring size as power of two for the log of recent faults.
+ */
+#define AMDGPU_GMC_FAULT_RING_ORDER 8
+#define AMDGPU_GMC_FAULT_RING_SIZE (1 << AMDGPU_GMC_FAULT_RING_ORDER)
+
+/*
+ * Hash size as power of two for the log of recent faults
+ */
+#define AMDGPU_GMC_FAULT_HASH_ORDER 8
+#define AMDGPU_GMC_FAULT_HASH_SIZE (1 << AMDGPU_GMC_FAULT_HASH_ORDER)
+
+/*
+ * Number of IH timestamp ticks until a fault is considered handled
+ */
+#define AMDGPU_GMC_FAULT_TIMEOUT 5000ULL
+
struct firmware;
+
+/*
+ * GMC page fault information
+ */
+struct amdgpu_gmc_fault {
+ uint64_t timestamp;
+ uint64_t next:AMDGPU_GMC_FAULT_RING_ORDER;
+ uint64_t key:52;
+};
/*
* VMHUB structures, functions & helpers
*/
+struct amdgpu_vmhub_funcs {
+ void (*print_l2_protection_fault_status)(struct amdgpu_device *adev,
+ uint32_t status);
+ uint32_t (*get_invalidate_req)(unsigned int vmid, uint32_t flush_type);
+};
+
struct amdgpu_vmhub {
uint32_t ctx0_ptb_addr_lo32;
uint32_t ctx0_ptb_addr_hi32;
+ uint32_t vm_inv_eng0_sem;
uint32_t vm_inv_eng0_req;
uint32_t vm_inv_eng0_ack;
uint32_t vm_context0_cntl;
uint32_t vm_l2_pro_fault_status;
uint32_t vm_l2_pro_fault_cntl;
+
+ /*
+ * store the register distances between two continuous context domain
+ * and invalidation engine.
+ */
+ uint32_t ctx_distance;
+ uint32_t ctx_addr_distance; /* include LO32/HI32 */
+ uint32_t eng_distance;
+ uint32_t eng_addr_distance; /* include LO32/HI32 */
+
+ uint32_t vm_cntx_cntl_vm_fault;
+
+ const struct amdgpu_vmhub_funcs *vmhub_funcs;
};
/*
@@ -50,42 +109,101 @@
*/
struct amdgpu_gmc_funcs {
/* flush the vm tlb via mmio */
- void (*flush_gpu_tlb)(struct amdgpu_device *adev,
- uint32_t vmid);
+ void (*flush_gpu_tlb)(struct amdgpu_device *adev, uint32_t vmid,
+ uint32_t vmhub, uint32_t flush_type);
+ /* flush the vm tlb via pasid */
+ int (*flush_gpu_tlb_pasid)(struct amdgpu_device *adev, uint16_t pasid,
+ uint32_t flush_type, bool all_hub);
/* flush the vm tlb via ring */
uint64_t (*emit_flush_gpu_tlb)(struct amdgpu_ring *ring, unsigned vmid,
uint64_t pd_addr);
/* Change the VMID -> PASID mapping */
void (*emit_pasid_mapping)(struct amdgpu_ring *ring, unsigned vmid,
unsigned pasid);
- /* write pte/pde updates using the cpu */
- int (*set_pte_pde)(struct amdgpu_device *adev,
- void *cpu_pt_addr, /* cpu addr of page table */
- uint32_t gpu_page_idx, /* pte/pde to update */
- uint64_t addr, /* addr to write into pte/pde */
- uint64_t flags); /* access flags */
/* enable/disable PRT support */
void (*set_prt)(struct amdgpu_device *adev, bool enable);
- /* set pte flags based per asic */
- uint64_t (*get_vm_pte_flags)(struct amdgpu_device *adev,
- uint32_t flags);
+ /* map mtype to hardware flags */
+ uint64_t (*map_mtype)(struct amdgpu_device *adev, uint32_t flags);
/* get the pde for a given mc addr */
void (*get_vm_pde)(struct amdgpu_device *adev, int level,
u64 *dst, u64 *flags);
+ /* get the pte flags to use for a BO VA mapping */
+ void (*get_vm_pte)(struct amdgpu_device *adev,
+ struct amdgpu_bo_va_mapping *mapping,
+ uint64_t *flags);
+ /* get the amount of memory used by the vbios for pre-OS console */
+ unsigned int (*get_vbios_fb_size)(struct amdgpu_device *adev);
+};
+
+struct amdgpu_xgmi {
+ /* from psp */
+ u64 node_id;
+ u64 hive_id;
+ /* fixed per family */
+ u64 node_segment_size;
+ /* physical node (0-3) */
+ unsigned physical_node_id;
+ /* number of nodes (0-4) */
+ unsigned num_physical_nodes;
+ /* gpu list in the same hive */
+ struct list_head head;
+ bool supported;
+ struct ras_common_if *ras_if;
};
struct amdgpu_gmc {
+ /* FB's physical address in MMIO space (for CPU to
+ * map FB). This is different compared to the agp/
+ * gart/vram_start/end field as the later is from
+ * GPU's view and aper_base is from CPU's view.
+ */
resource_size_t aper_size;
resource_size_t aper_base;
/* for some chips with <= 32MB we need to lie
* about vram size near mc fb location */
u64 mc_vram_size;
u64 visible_vram_size;
+ /* AGP aperture start and end in MC address space
+ * Driver find a hole in the MC address space
+ * to place AGP by setting MC_VM_AGP_BOT/TOP registers
+ * Under VMID0, logical address == MC address. AGP
+ * aperture maps to physical bus or IOVA addressed.
+ * AGP aperture is used to simulate FB in ZFB case.
+ * AGP aperture is also used for page table in system
+ * memory (mainly for APU).
+ *
+ */
+ u64 agp_size;
+ u64 agp_start;
+ u64 agp_end;
+ /* GART aperture start and end in MC address space
+ * Driver find a hole in the MC address space
+ * to place GART by setting VM_CONTEXT0_PAGE_TABLE_START/END_ADDR
+ * registers
+ * Under VMID0, logical address inside GART aperture will
+ * be translated through gpuvm gart page table to access
+ * paged system memory
+ */
u64 gart_size;
u64 gart_start;
u64 gart_end;
+ /* Frame buffer aperture of this GPU device. Different from
+ * fb_start (see below), this only covers the local GPU device.
+ * Driver get fb_start from MC_VM_FB_LOCATION_BASE (set by vbios)
+ * and calculate vram_start of this local device by adding an
+ * offset inside the XGMI hive.
+ * Under VMID0, logical address == MC address
+ */
u64 vram_start;
u64 vram_end;
+ /* FB region , it's same as local vram region in single GPU, in XGMI
+ * configuration, this region covers all GPUs in the same hive ,
+ * each GPU in the hive has the same view of this FB region .
+ * GPU0's vram starts at offset (0 * segment size) ,
+ * GPU1 starts at offset (1 * segment size), etc.
+ */
+ u64 fb_start;
+ u64 fb_end;
unsigned vram_width;
u64 real_vram_size;
int vram_mtrr;
@@ -94,9 +212,9 @@
uint32_t fw_version;
struct amdgpu_irq_src vm_fault;
uint32_t vram_type;
+ uint8_t vram_vendor;
uint32_t srbm_soft_reset;
bool prt_warning;
- uint64_t stolen_size;
uint32_t sdpif_register;
/* apertures */
u64 shared_aperture_start;
@@ -109,8 +227,31 @@
struct kfd_vm_fault_info *vm_fault_info;
atomic_t vm_fault_info_updated;
+ struct amdgpu_gmc_fault fault_ring[AMDGPU_GMC_FAULT_RING_SIZE];
+ struct {
+ uint64_t idx:AMDGPU_GMC_FAULT_RING_ORDER;
+ } fault_hash[AMDGPU_GMC_FAULT_HASH_SIZE];
+ uint64_t last_fault:AMDGPU_GMC_FAULT_RING_ORDER;
+
+ bool tmz_enabled;
+
const struct amdgpu_gmc_funcs *gmc_funcs;
+
+ struct amdgpu_xgmi xgmi;
+ struct amdgpu_irq_src ecc_irq;
+ int noretry;
};
+
+#define amdgpu_gmc_flush_gpu_tlb(adev, vmid, vmhub, type) ((adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid), (vmhub), (type)))
+#define amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, type, allhub) \
+ ((adev)->gmc.gmc_funcs->flush_gpu_tlb_pasid \
+ ((adev), (pasid), (type), (allhub)))
+#define amdgpu_gmc_emit_flush_gpu_tlb(r, vmid, addr) (r)->adev->gmc.gmc_funcs->emit_flush_gpu_tlb((r), (vmid), (addr))
+#define amdgpu_gmc_emit_pasid_mapping(r, vmid, pasid) (r)->adev->gmc.gmc_funcs->emit_pasid_mapping((r), (vmid), (pasid))
+#define amdgpu_gmc_map_mtype(adev, flags) (adev)->gmc.gmc_funcs->map_mtype((adev),(flags))
+#define amdgpu_gmc_get_vm_pde(adev, level, dst, flags) (adev)->gmc.gmc_funcs->get_vm_pde((adev), (level), (dst), (flags))
+#define amdgpu_gmc_get_vm_pte(adev, mapping, flags) (adev)->gmc.gmc_funcs->get_vm_pte((adev), (mapping), (flags))
+#define amdgpu_gmc_get_vbios_fb_size(adev) (adev)->gmc.gmc_funcs->get_vbios_fb_size((adev))
/**
* amdgpu_gmc_vram_full_visible - Check if full VRAM is visible through the BAR
@@ -127,4 +268,45 @@
return (gmc->real_vram_size == gmc->visible_vram_size);
}
+/**
+ * amdgpu_gmc_sign_extend - sign extend the given gmc address
+ *
+ * @addr: address to extend
+ */
+static inline uint64_t amdgpu_gmc_sign_extend(uint64_t addr)
+{
+ if (addr >= AMDGPU_GMC_HOLE_START)
+ addr |= AMDGPU_GMC_HOLE_END;
+
+ return addr;
+}
+
+void amdgpu_gmc_get_pde_for_bo(struct amdgpu_bo *bo, int level,
+ uint64_t *addr, uint64_t *flags);
+int amdgpu_gmc_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr,
+ uint32_t gpu_page_idx, uint64_t addr,
+ uint64_t flags);
+uint64_t amdgpu_gmc_pd_addr(struct amdgpu_bo *bo);
+uint64_t amdgpu_gmc_agp_addr(struct ttm_buffer_object *bo);
+void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,
+ u64 base);
+void amdgpu_gmc_gart_location(struct amdgpu_device *adev,
+ struct amdgpu_gmc *mc);
+void amdgpu_gmc_agp_location(struct amdgpu_device *adev,
+ struct amdgpu_gmc *mc);
+bool amdgpu_gmc_filter_faults(struct amdgpu_device *adev, uint64_t addr,
+ uint16_t pasid, uint64_t timestamp);
+int amdgpu_gmc_ras_late_init(struct amdgpu_device *adev);
+void amdgpu_gmc_ras_fini(struct amdgpu_device *adev);
+int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev);
+
+extern void amdgpu_gmc_tmz_set(struct amdgpu_device *adev);
+extern void amdgpu_gmc_noretry_set(struct amdgpu_device *adev);
+
+extern void
+amdgpu_gmc_set_vm_fault_masks(struct amdgpu_device *adev, int hub_type,
+ bool enable);
+
+void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev);
+
#endif
--
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