diff options
| author | Likun Gao <Likun.Gao@amd.com> | 2024-01-11 16:44:55 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-14 15:21:51 -0400 |
| commit | 7c85e970839ec57107a621f457e9e4f9220ffeb7 (patch) | |
| tree | c9bcd4155d522cc8f4e8a95d1f8dfbaf457cb99e /drivers/gpu/drm/amd | |
| parent | drm/amdgpu: add additional VM bits (diff) | |
| download | linux-7c85e970839ec57107a621f457e9e4f9220ffeb7.tar.gz linux-7c85e970839ec57107a621f457e9e4f9220ffeb7.zip | |
drm/amdgpu: support for DCC feature
Deal with AMDGPU_GEM_CREATE_GFX12_DCC to set DCC bit
when needed.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 3b67809a59bc..1f22b4208729 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -334,6 +334,7 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, AMDGPU_GEM_CREATE_VM_ALWAYS_VALID | AMDGPU_GEM_CREATE_EXPLICIT_SYNC | AMDGPU_GEM_CREATE_ENCRYPTED | + AMDGPU_GEM_CREATE_GFX12_DCC | AMDGPU_GEM_CREATE_DISCARDABLE)) return -EINVAL; @@ -341,6 +342,11 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, if (args->in.domains & ~AMDGPU_GEM_DOMAIN_MASK) return -EINVAL; + if ((flags & AMDGPU_GEM_CREATE_GFX12_DCC) && + ((amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(12, 0, 0)) || + !(args->in.domains & AMDGPU_GEM_DOMAIN_VRAM))) + return -EINVAL; + if (!amdgpu_is_tmz(adev) && (flags & AMDGPU_GEM_CREATE_ENCRYPTED)) { DRM_NOTE_ONCE("Cannot allocate secure buffer since TMZ is disabled\n"); return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c index 16d3443f8a82..be78507ec0d8 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c @@ -532,6 +532,9 @@ static void gmc_v12_0_get_vm_pte(struct amdgpu_device *adev, is_system = (bo->tbo.resource->mem_type == TTM_PL_TT) || (bo->tbo.resource->mem_type == AMDGPU_PL_PREEMPT); + if (bo && bo->flags & AMDGPU_GEM_CREATE_GFX12_DCC) + *flags |= AMDGPU_PTE_DCC; + /* WA for HW bug */ if (is_system || ((bo_adev != adev) && coherent)) *flags = AMDGPU_PTE_MTYPE_GFX12(*flags, MTYPE_NC); |