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drm/amdgpu: add function to check tmz capability (v4)

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Add a function to check tmz capability with kernel parameter and ASIC type.

v2: use a per device tmz variable instead of global amdgpu_tmz.
v3: refine the comments for the function. (Luben)
v4: add amdgpu_tmz.c/h for future use.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui
2020-03-19 16:46:10 -04:00
committed by Alex Deucher
parent ae60305ac0
commit 01a8dcec1a
4 changed files with 56 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -65,6 +65,7 @@
#include "amdgpu_ras.h"
#include "amdgpu_pmu.h"
#include "amdgpu_fru_eeprom.h"
#include "amdgpu_tmz.h"
#include <linux/suspend.h>
#include <drm/task_barrier.h>
@@ -1140,6 +1141,8 @@ static int amdgpu_device_check_arguments(struct amdgpu_device *adev)
adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type);
adev->tmz.enabled = amdgpu_is_tmz(adev);
return 0;
}