Commit b71a564e authored by Luben Tuikov's avatar Luben Tuikov Committed by Alex Deucher

drm/amdgpu: Fine-grained TMZ support

Add fine-grained per-ASIC TMZ support.

At the moment TMZ support is experimental for all
ASICs which support it.
Signed-off-by: default avatarLuben Tuikov <luben.tuikov@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 218c0b7f
......@@ -383,18 +383,28 @@ int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev)
*/
void amdgpu_gmc_tmz_set(struct amdgpu_device *adev)
{
if (!amdgpu_tmz)
return;
if (adev->asic_type < CHIP_RAVEN ||
adev->asic_type == CHIP_ARCTURUS) {
switch (adev->asic_type) {
case CHIP_RAVEN:
case CHIP_RENOIR:
case CHIP_NAVI10:
case CHIP_NAVI14:
case CHIP_NAVI12:
/* Don't enable it by default yet.
*/
if (amdgpu_tmz < 1) {
adev->gmc.tmz_enabled = false;
dev_info(adev->dev,
"Trusted Memory Zone (TMZ) feature disabled as experimental (default)\n");
} else {
adev->gmc.tmz_enabled = true;
dev_info(adev->dev,
"Trusted Memory Zone (TMZ) feature enabled as experimental (cmd line)\n");
}
break;
default:
adev->gmc.tmz_enabled = false;
dev_warn(adev->dev,
"Trusted Memory Zone (TMZ) feature not supported\n");
} else {
adev->gmc.tmz_enabled = true;
dev_info(adev->dev,
"Trusted Memory Zone (TMZ) feature supported and enabled\n");
break;
}
}
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