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authorLikun Gao <Likun.Gao@amd.com>2024-01-11 16:44:55 +0800
committerAlex Deucher <alexander.deucher@amd.com>2024-06-14 15:21:51 -0400
commit7c85e970839ec57107a621f457e9e4f9220ffeb7 (patch)
treec9bcd4155d522cc8f4e8a95d1f8dfbaf457cb99e /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
parent6b83b94a949f61f07e16485466f67e8f904d9f98 (diff)
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/amdgpu/amdgpu_gem.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c6
1 files changed, 6 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;