From dead5e421ac437deb94ea18c423e898c70a807a5 Mon Sep 17 00:00:00 2001 From: Oak Zeng Date: Thu, 1 Apr 2021 14:36:40 -0500 Subject: drm/amdgpu: Introduce functions for vram physical addr calculation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add one function to calculate BO's GPU physical address. And another function to calculate BO's CPU physical address. v2: Use functions vs macros (Christian) Use more proper function names (Christian) Signed-off-by: Oak Zeng Suggested-by: Lijo Lazar Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h index cbb7735c6988..b2f473cff67b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h @@ -341,4 +341,7 @@ 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 -- cgit v1.2.3-70-g09d2