[PATCH 1/4] drm/amdgpu: Macros for vram physical addr calculation

[Christian König]

Well I send a review?

Christian.

Am 30.03.21 um 17:04 schrieb Zeng, Oak:
> [AMD Official Use Only - Internal Distribution Only]
>
> Ping, can someone help review this series?
>
> Regards,
> Oak
>
>
>
> On 2021-03-25, 12:38 PM, "Zeng, Oak" <Oak.Zeng at amd.com> wrote:
>
>      Add one macro to calculate BO's GPU physical address.
>      And another one to calculate BO's CPU physical address.
>
>      Signed-off-by: Oak Zeng <Oak.Zeng at amd.com>
>      Suggested-by: Lijo Lazar <lijo.lazar at amd.com>
>      ---
>       drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 3 +++
>       1 file changed, 3 insertions(+)
>
>      diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
>      index 2ee8d1b..7cd9d34 100644
>      --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
>      +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
>      @@ -283,6 +283,9 @@ struct amdgpu_gmc {
>       #define amdgpu_gmc_get_vm_pde(adev, level, dst, flags) (adev)->gmc.gmc_funcs->get_vm_pde((adev), (level), (dst), (flags))
>       #define amdgpu_gmc_get_vm_pte(adev, mapping, flags) (adev)->gmc.gmc_funcs->get_vm_pte((adev), (mapping), (flags))
>       #define amdgpu_gmc_get_vbios_fb_size(adev) (adev)->gmc.gmc_funcs->get_vbios_fb_size((adev))
>      +#define amdgpu_gmc_gpu_va2pa(adev, va) (va - (adev)->gmc.vram_start + (adev)->vm_manager.vram_base_offset)
>      +#define amdgpu_gmc_gpu_pa(adev, bo) amdgpu_gmc_gpu_va2pa(adev, amdgpu_bo_gpu_offset(bo))
>      +#define amdgpu_gmc_cpu_pa(adev, bo) (amdgpu_bo_gpu_offset(bo) - (adev)->gmc.vram_start + (adev)->gmc.aper_base)
>
>       /**
>        * amdgpu_gmc_vram_full_visible - Check if full VRAM is visible through the BAR
>      --
>      2.7.4
>
>
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