linux-stable.git/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h, branch linux-5.13.y Linux kernel stable tree drm/amd/amdgpu:save psp ring wptr to avoid attack 2021-06-02T21:56:03+00:00 Victor Zhao Victor.Zhao@amd.com 2021-03-18T05:44:35+00:00 2370eba9f552eaae3d8aa1f70b8e9eec5c560f9e [Why] When some tools performing psp mailbox attack, the readback value of register can be a random value which may break psp. [How] Use a psp wptr cache machanism to aovid the change made by attack. v2: unify change and add detailed reason Signed-off-by: Victor Zhao <Victor.Zhao@amd.com> Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com> Reviewed-by: Monk Liu <monk.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]
When some tools performing psp mailbox attack, the readback value
of register can be a random value which may break psp.

[How]
Use a psp wptr cache machanism to aovid the change made by attack.

v2: unify change and add detailed reason

Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Add PSP public function to load a list of FWs 2021-04-09T20:46:18+00:00 Lijo Lazar lijo.lazar@amd.com 2021-03-16T12:56:43+00:00 a2052839cd9fc5ee76c3ba05efbc939219b53cb4 v1: Adds a function to load a list of FWs as passed by the caller. This is needed as only a select need to loaded for some use cases. v2: Omit unrelated change, remove info log, fix return value when count is 0 Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
v1: Adds a function to load a list of FWs as passed by the caller. This is
needed as only a select need to loaded for some use cases.

v2: Omit unrelated change, remove info log, fix return value when count is 0

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Increase PSP runtime TMR region size 2021-03-24T03:00:51+00:00 Oak Zeng Oak.Zeng@amd.com 2021-03-01T23:36:19+00:00 47bfa5f60fbfd7a1c5b4d5ba8c1ab45bc9c81bc8 Aldebaran uses more than 4M runtime TMR. The current hard coded 4M TMR is not big enough for Aldebaran. Increase it to 8M. v2: Only do 8M size for ALDEBARAN (Hawking) Signed-off-by: Oak Zeng <Oak.Zeng@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Aldebaran uses more than 4M runtime TMR. The current
hard coded 4M TMR is not big enough for Aldebaran.
Increase it to 8M.

v2: Only do 8M size for ALDEBARAN (Hawking)

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: change psp_rap_invoke() function return value 2021-03-24T03:00:22+00:00 Kevin Wang kevin1.wang@amd.com 2021-02-07T13:09:59+00:00 2fb3c5d0d16192c926dbad5363867b31c8b8b2f8 RAP TA is an optional firmware. if it doesn’t exist, the driver should bypass psp_rap_invoke() function. 1. bypass psp_rap_invoke() when RAP TA is not loaded. 2. add new parameter (status) to query RAP TA status. (the status value is different with psp_ta_invoke(), 3. fix the 'rap_status' MThread critical problem. (used without lock) Signed-off-by: Kevin Wang <kevin1.wang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
RAP TA is an optional firmware. if it doesn’t exist,
the driver should bypass psp_rap_invoke() function.

1. bypass psp_rap_invoke() when RAP TA is not loaded.
2. add new parameter (status) to query RAP TA status.
   (the status value is different with psp_ta_invoke(),
3. fix the 'rap_status' MThread critical problem.
   (used without lock)

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: added register list driver ctx (v2) 2021-03-24T02:54:38+00:00 John Clements john.clements@amd.com 2020-11-18T06:24:52+00:00 b2aa382ae7e0ff51893be6ede53c8967bb5b72e8 updated psp bin parsing and load register list v2: update to latest interface (Alex) Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
updated psp bin parsing and load register list

v2: update to latest interface (Alex)

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: enable psp v13 ip block for aldebaran 2021-03-24T02:52:33+00:00 Hawking Zhang Hawking.Zhang@amd.com 2020-04-26T14:43:15+00:00 9fbd96a136f209656766714d4e043e3ad0becdd1 Add psp v13 ip block to soc ip init list for aldebaran Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Le Ma <Le.Ma@amd.com> Reviewed-by: Kevin Wang <kevin1.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Add psp v13 ip block to soc ip init list for aldebaran

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Add secure display TA interface 2021-01-14T04:58:14+00:00 Jinzhou Su Jinzhou.Su@amd.com 2020-12-09T02:57:05+00:00 ecaafb7b5ab6406587341d8727f237b3ee00dedf Add interface to load, unload, invoke command for secure display TA. v2: Add debugfs interface for secure display TA v3: fix warning in copy_from_user (Alex) Signed-off-by: Jinzhou.Su <Jinzhou.Su@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Add interface to load, unload, invoke command for
secure display TA.

v2: Add debugfs interface for secure display TA
v3: fix warning in copy_from_user (Alex)

Signed-off-by: Jinzhou.Su <Jinzhou.Su@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: added support for psp fw attestation 2020-10-26T17:27:00+00:00 John Clements john.clements@amd.com 2020-10-26T06:57:13+00:00 19ae333001b375bbc7d1ff9eaa9cbb0a72fff65e loaded fw can be queried from sys fs interface Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
loaded fw can be queried from sys fs interface

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: increase size of psp fw_name string(v2) 2020-10-12T18:01:09+00:00 Tao Zhou tao.zhou1@amd.com 2020-07-23T11:14:00+00:00 0a305e34c719f5d6131a3dedb5164b091999510b Increase fw_name string size so longer chip name can be stored. v2: define macro for the length of psp fw name. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Increase fw_name string size so longer chip name can be stored.

v2: define macro for the length of psp fw name.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: add TOC firmware support for apu (v3) 2020-10-05T19:15:28+00:00 Huang Rui ray.huang@amd.com 2020-08-27T21:33:32+00:00 5120cb54098210502b200b3c77f008def0f7609f APU needs load toc firmware for gfx10 series on psp front door loading. v2: rebase against latest code v3: clarify error message Signed-off-by: Huang Rui <ray.huang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
APU needs load toc firmware for gfx10 series on psp front door loading.

v2: rebase against latest code
v3: clarify error message

Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>