From 2864605ce1e4c4aa33ac37705109a4436c5f9fd9 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 6 Sep 2017 18:04:51 -0400 Subject: [PATCH 3084/4131] drm/amdgpu: add new asic callbacks for HDP flush/invalidation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Needed to properly flush the HDP cache with the CPU from rather than the GPU. Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Samuel Li --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 2a5155a..de34485d 100755 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1311,6 +1311,10 @@ 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); }; /* @@ -1906,6 +1910,8 @@ 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)) -- 2.7.4