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authorMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
committerMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
commitc55b44c9386f3ee1b08752638559f19deaf6040d (patch)
treec843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
parentMAINTAINERS: Update my e-mail (diff)
parentLinux 5.13-rc1 (diff)
downloadlinux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz
linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h34
1 files changed, 30 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index aa0c83776ce0..9d11c02a3938 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -135,6 +135,14 @@ struct amdgpu_gmc_funcs {
unsigned int (*get_vbios_fb_size)(struct amdgpu_device *adev);
};
+struct amdgpu_xgmi_ras_funcs {
+ int (*ras_late_init)(struct amdgpu_device *adev);
+ void (*ras_fini)(struct amdgpu_device *adev);
+ int (*query_ras_error_count)(struct amdgpu_device *adev,
+ void *ras_error_status);
+ void (*reset_ras_error_count)(struct amdgpu_device *adev);
+};
+
struct amdgpu_xgmi {
/* from psp */
u64 node_id;
@@ -149,6 +157,9 @@ struct amdgpu_xgmi {
struct list_head head;
bool supported;
struct ras_common_if *ras_if;
+ bool connected_to_cpu;
+ bool pending_reset;
+ const struct amdgpu_xgmi_ras_funcs *ras_funcs;
};
struct amdgpu_gmc {
@@ -189,10 +200,13 @@ struct amdgpu_gmc {
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
+ * If driver uses FB aperture to access FB, 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.
+ * If driver uses GART table for VMID0 FB access, driver finds a hole in
+ * VMID0's virtual address space to place the SYSVM aperture inside
+ * which the first part is vram and the second part is gart (covering
+ * system ram).
*/
u64 vram_start;
u64 vram_end;
@@ -240,6 +254,12 @@ struct amdgpu_gmc {
struct amdgpu_xgmi xgmi;
struct amdgpu_irq_src ecc_irq;
int noretry;
+
+ uint32_t vmid0_page_table_block_size;
+ uint32_t vmid0_page_table_depth;
+ struct amdgpu_bo *pdb0_bo;
+ /* CPU kmapped address of pdb0*/
+ void *ptr_pdb0;
};
#define amdgpu_gmc_flush_gpu_tlb(adev, vmid, vmhub, type) ((adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid), (vmhub), (type)))
@@ -281,6 +301,7 @@ static inline uint64_t amdgpu_gmc_sign_extend(uint64_t addr)
return addr;
}
+int amdgpu_gmc_pdb0_alloc(struct amdgpu_device *adev);
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,
@@ -288,6 +309,7 @@ int amdgpu_gmc_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_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_sysvm_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc);
void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,
u64 base);
void amdgpu_gmc_gart_location(struct amdgpu_device *adev,
@@ -309,4 +331,8 @@ amdgpu_gmc_set_vm_fault_masks(struct amdgpu_device *adev, int hub_type,
void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev);
+void amdgpu_gmc_init_pdb0(struct amdgpu_device *adev);
+uint64_t amdgpu_gmc_vram_mc2pa(struct amdgpu_device *adev, uint64_t mc_addr);
+uint64_t amdgpu_gmc_vram_pa(struct amdgpu_device *adev, struct amdgpu_bo *bo);
+uint64_t amdgpu_gmc_vram_cpu_pa(struct amdgpu_device *adev, struct amdgpu_bo *bo);
#endif