Commit 2df1b8b6 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: add new asic callbacks for HDP flush/invalidation 



Needed to properly flush the HDP cache with the CPU from rather
than the GPU.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSamuel Li <Samuel.Li@amd.com>
parent f8e3e0ee

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+6 −0
Original line number Diff line number Diff line
@@ -1288,6 +1288,10 @@ struct amdgpu_asic_funcs { 
	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);

	/* get config memsize register */

	u32 (*get_config_memsize)(struct amdgpu_device *adev);

	/* flush hdp write queue */

	void (*flush_hdp)(struct amdgpu_device *adev);

	/* invalidate hdp read cache */

	void (*invalidate_hdp)(struct amdgpu_device *adev);

};



/*
@@ -1838,6 +1842,8 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) 
#define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))

#define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))

#define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))

#define amdgpu_asic_flush_hdp(adev) (adev)->asic_funcs->flush_hdp((adev))

#define amdgpu_asic_invalidate_hdp(adev) (adev)->asic_funcs->invalidate_hdp((adev))

#define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))

#define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))

#define amdgpu_gart_get_vm_pde(adev, level, dst, flags) (adev)->gart.gart_funcs->get_vm_pde((adev), (level), (dst), (flags))