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drm/amdgpu: implement TMZ accessor (v3)

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Implement an accessor of adev->tmz.enabled. Let not
code around access it as "if (adev->tmz.enabled)"
as the organization may change. Instead...

Recruit "bool amdgpu_is_tmz(adev)" to return
exactly this Boolean value. That is, this function
is now an accessor of an already initialized and
set adev and adev->tmz.

Add "void amdgpu_gmc_tmz_set(adev)" to check and
set adev->gmc.tmz_enabled at initialization
time. After which one uses "bool
amdgpu_is_tmz(adev)" to query whether adev
supports TMZ.

Also, remove circular header file include.

v2: Remove amdgpu_tmz.[ch] as requested.
v3: Move TMZ into GMC.

Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Luben Tuikov
2020-03-19 16:47:51 -04:00
committed by Alex Deucher
parent 562366c945
commit c6252390fc
10 changed files with 40 additions and 103 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -65,7 +65,6 @@
#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>
@@ -1141,7 +1140,7 @@ 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);
amdgpu_gmc_tmz_set(adev);
return 0;
}