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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index fe1a39ffda72..1a892526d020 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -384,6 +384,16 @@ void amdgpu_gmc_tmz_set(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_RAVEN:
+ if (amdgpu_tmz == 0) {
+ adev->gmc.tmz_enabled = false;
+ dev_info(adev->dev,
+ "Trusted Memory Zone (TMZ) feature disabled (cmd line)\n");
+ } else {
+ adev->gmc.tmz_enabled = true;
+ dev_info(adev->dev,
+ "Trusted Memory Zone (TMZ) feature enabled\n");
+ }
+ break;
case CHIP_RENOIR:
case CHIP_NAVI10:
case CHIP_NAVI14: