Seems amdgpu_asic_invalidate_hdp() isn't used any more in following patch. Regards, David Zhou -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Alex Deucher Sent: Friday, January 05, 2018 12:19 PM To: amd-gfx at lists.freedesktop.org Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Li, Samuel <Samuel.Li at amd.com> Subject: [PATCH 1/5] 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. Signed-off-by: Alex Deucher <alexander.deucher at amd.com> Signed-off-by: Samuel Li <Samuel.Li at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 ++++++ 1 file changed, 6 insertions(+) I keep needing to resurrect these patches to test things periodically so I'd like to get them merged even if we don't have a pressing use case at the moment. diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 642bea2c9b3a..88f41c41c70a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1287,6 +1287,10 @@ 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); }; /* @@ -1836,6 +1840,8 @@ 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)) -- 2.13.6 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
