platform/kernel/linux-starfive.git
3 years agodrm/amd/amdgpu: add common ip block for beige_goby
Chengming Gui [Tue, 13 Oct 2020 08:46:21 +0000 (16:46 +0800)]
drm/amd/amdgpu: add common ip block for beige_goby

Same as dimgrey_cavefish
v2: fix comments typo

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: add mmhub support for beige_goby
Chengming Gui [Tue, 13 Oct 2020 08:42:02 +0000 (16:42 +0800)]
drm/amd/amdgpu: add mmhub support for beige_goby

Same as dimgrey_cavefish

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: initialize IP offset for beige_goby
Chengming Gui [Tue, 13 Oct 2020 08:32:42 +0000 (16:32 +0800)]
drm/amd/amdgpu: initialize IP offset for beige_goby

Add ip offset definition for beige_goby and initialize it

v2: squash in fixes (Alex)
V3: fix permissions on file (Alex)

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: add common support for beige_goby
Chengming Gui [Tue, 13 Oct 2020 08:09:55 +0000 (16:09 +0800)]
drm/amd/amdgpu: add common support for beige_goby

Add external id and set clock gating for beige_goby

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: add gmc support for beige_goby
Chengming Gui [Tue, 13 Oct 2020 07:46:16 +0000 (15:46 +0800)]
drm/amd/amdgpu: add gmc support for beige_goby

Same as dimgrey_cavefish

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: add support for beige_goby firmware
Chengming Gui [Tue, 13 Oct 2020 06:48:37 +0000 (14:48 +0800)]
drm/amd/amdgpu: add support for beige_goby firmware

Add support for beige_goby cp/rlc firmware

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: set asic family and ip blocks for beige_goby
Chengming Gui [Tue, 13 Oct 2020 06:42:25 +0000 (14:42 +0800)]
drm/amd/amdgpu: set asic family and ip blocks for beige_goby

Same as navi series

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: set fw load type for beige_goby
Chengming Gui [Tue, 13 Oct 2020 06:38:49 +0000 (14:38 +0800)]
drm/amd/amdgpu: set fw load type for beige_goby

Use direct load for beige_goby

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: add beige_goby asic type
Chengming Gui [Tue, 13 Oct 2020 06:30:32 +0000 (14:30 +0800)]
drm/amd/amdgpu: add beige_goby asic type

Add chip type for beige_goby

v2: fix enum count (Alex)

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: 3.2.136
Aric Cyr [Sun, 9 May 2021 19:17:58 +0000 (15:17 -0400)]
drm/amd/display: 3.2.136

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: [FW Promotion] Release 0.0.66
Anthony Koo [Sun, 9 May 2021 01:09:49 +0000 (21:09 -0400)]
drm/amd/display: [FW Promotion] Release 0.0.66

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Refactor and add visual confirm for HW Flip Queue
Wyatt Wood [Thu, 6 May 2021 20:11:16 +0000 (16:11 -0400)]
drm/amd/display: Refactor and add visual confirm for HW Flip Queue

[Why]
Visual confirm will indicate if driver is programming
the surface address.
Refactor is required because much of the visual confirm
logic is buried deep in the mpcc files.
In addition, visual confirm is not updated during fast updates.

[How]
In order to have visual confirm for driver flips, visual confirm
needs to be updated on every frame, including fast updates.
Add a new hw sequencer interface update_visual_confirm_color,
and a new mpc function pointer set_bg_color.

v2: drop unused variable (Alex)

Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Use the correct max downscaling value for DCN3.x family
Nikola Cornij [Fri, 7 May 2021 02:46:52 +0000 (22:46 -0400)]
drm/amd/display: Use the correct max downscaling value for DCN3.x family

[why]
As per spec, DCN3.x can do 6:1 downscaling and DCN2.x can do 4:1. The
max downscaling limit value for DCN2.x is 250, which means it's
calculated as 1000 / 4 = 250. For DCN3.x this then gives 1000 / 6 = 167.

[how]
Set maximum downscaling limit to 167 for DCN3.x

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Avoid get/put vblank when stream disabled
Wayne Lin [Wed, 28 Apr 2021 10:04:44 +0000 (18:04 +0800)]
drm/amd/display: Avoid get/put vblank when stream disabled

[Why]
amdgpu_dm_crtc_set_crc_source() will call
amdgpu_dm_crtc_configure_crc_source() to enable/disable CRC
generation. However, configuration will be deferred to stream enabled.
If stream is not enabled, current flow will still try to get/put vblank
refcount.

[How]
Return EINVAL to skip actions on vblank refcount when stream is not
enabled.

Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Chao-kai Wang <Stylon.Wang@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Correct DPCD revision for eDP v1.4
Zhan Liu [Wed, 5 May 2021 21:44:46 +0000 (17:44 -0400)]
drm/amd/display: Correct DPCD revision for eDP v1.4

[Why]
eDP version and DPCD revision are different. Per VESA
spec, "The DPCD revision for eDP v1.4 is 13h".

SUPPORTED_LINK_RATES is valid since eDP v1.4 (DPCD_REV_13).

[How]
Correct DPCD_REV for eDP v1.4.

Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Add Overflow check to skip MALL
Bhawanpreet Lakha [Thu, 29 Apr 2021 20:32:47 +0000 (16:32 -0400)]
drm/amd/display: Add Overflow check to skip MALL

[Why]
In some small modes (<200pixels) the stutter period is really big and will cause
overflow. In these cases we shouldnt try to enable MALL as it will exceeds range
of hysteresis timer (this can be seen in some IGT tests where the
plane size is small)

[How]
Compare the stutter_period with the frame time and if we will overflow
there is no point in trying to enable MALL (and see the ASSERT) so we
early exist in this case

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Refactor suspend/resume of Secure display
Wayne Lin [Tue, 27 Apr 2021 04:00:40 +0000 (12:00 +0800)]
drm/amd/display: Refactor suspend/resume of Secure display

[Why]
Once set ROI and do suspend/resume, current flow will not enable
OTG_CRC_CTL again due to we'll defer crc configuration when stream
is enabled.

[How]
Remove current suspend/resume function and have logic implemented into
amdgpu_dm_atomic_commit_tail()

Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Chao-kai Wang <Stylon.Wang@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: consider channel coding in configure lttpr mode
Wenjing Liu [Mon, 3 May 2021 22:42:28 +0000 (18:42 -0400)]
drm/amd/display: consider channel coding in configure lttpr mode

[why]
Some lttpr configuration steps are exclusive to 8b/10b channel
coding mode. We need to take channel conding into account.

Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Acked-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: rename perform_link_training_int function
Wenjing Liu [Mon, 3 May 2021 21:32:05 +0000 (17:32 -0400)]
drm/amd/display: rename perform_link_training_int function

[why]
The function's name doesn't represent what it actaully does.
The function implements necessary steps for our hardware to
transition from link training mode back to video idle mode.
Therefore, rename the function as dp_transition_to_video_idle
so everyone can understand it.

Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: decide link training settings based on channel coding
Wenjing Liu [Mon, 3 May 2021 21:05:40 +0000 (17:05 -0400)]
drm/amd/display: decide link training settings based on channel coding

[how]
Rename initialize_training_settings to decide_training_settings.
Call get link encoding format and decide training settings
based on current channel coding.

Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: determine dp link encoding format from link settings
Wenjing Liu [Mon, 3 May 2021 18:51:27 +0000 (14:51 -0400)]
drm/amd/display: determine dp link encoding format from link settings

[how]
Implement a function that determines link encoding format
based on the link settings passed in.

Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Disconnect non-DP with no EDID
Chris Park [Tue, 4 May 2021 20:20:55 +0000 (16:20 -0400)]
drm/amd/display: Disconnect non-DP with no EDID

[Why]
Active DP dongles return no EDID when dongle
is connected, but VGA display is taken out.
Current driver behavior does not remove the
active display when this happens, and this is
a gap between dongle DTP and dongle behavior.

[How]
For active DP dongles and non-DP scenario,
disconnect sink on detection when no EDID
is read due to timeout.

Signed-off-by: Chris Park <Chris.Park@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Minor refactor of DP PHY test automation
George Shen [Tue, 4 May 2021 19:31:37 +0000 (15:31 -0400)]
drm/amd/display: Minor refactor of DP PHY test automation

[Why]
Improve readability and maintainability of code.

[How]
Refactor test pattern size calculation out of function
call parameter and store value in variable.

Signed-off-by: George Shen <george.shen@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Document set RECOUT operation
Rodrigo Siqueira [Tue, 4 May 2021 14:09:25 +0000 (10:09 -0400)]
drm/amd/display: Document set RECOUT operation

During the investigation on how to add visual confirmation on top of the
planes used by DCN, it becomes evident that the lack of information in
the code makes this work unnecessarily complicated. This commit
introduces a set of documentation related to the RECOUT operation in
order to make it easy for developers to navigate this set of functions.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Add kernel-doc to some hubp functions
Rodrigo Siqueira [Thu, 15 Apr 2021 14:22:03 +0000 (10:22 -0400)]
drm/amd/display: Add kernel-doc to some hubp functions

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Remove legacy comments
Rodrigo Siqueira [Thu, 15 Apr 2021 13:57:19 +0000 (09:57 -0400)]
drm/amd/display: Remove legacy comments

To improve the code readability, this commit removes a set of commented
and not used functions for a long time. Notice that now we have the
amdgpu_dm_dtn_log, which prints all the relevant information that we
need.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Add documentation for power gate plane
Rodrigo Siqueira [Thu, 15 Apr 2021 13:32:57 +0000 (09:32 -0400)]
drm/amd/display: Add documentation for power gate plane

This commit introduces kernel documentation to some essential functions
related to power gate control over planes. It also adds a macro to make
one part of the code easy to understand.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Add get_current_time interface to dmub_srv
Wyatt Wood [Tue, 19 Jan 2021 22:05:05 +0000 (17:05 -0500)]
drm/amd/display: Add get_current_time interface to dmub_srv

[Why]
Need to get current DMUB time.

[How]
Add get_current_time interface to dmub_srv.

v2: drop whitespace changes (Alex)

Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: treat memory as a single-channel for asymmetric memory V3
Hugo Hu [Wed, 21 Apr 2021 06:23:44 +0000 (14:23 +0800)]
drm/amd/display: treat memory as a single-channel for asymmetric memory V3

Previous patch caused crash and had been reverted. This patch
addresses the issue without regression.

[Why]
1. Driver use umachannelnumber to calculate watermarks for stutter.
In asymmetric memory config, the actual bandwidth is less than
dual-channel. The bandwidth should be the same as single-channel.
2. We found single rank dimm need additional delay time for stutter.

[How]
Get information from each DIMM. Treat memory config as a single-channel
for asymmetric memory in bandwidth calculating.
Add additional delay time for single rank dimm.

Signed-off-by: Hugo Hu <hugo.hu@amd.com>
Reviewed-by: Sung Lee <Sung.Lee@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/pm: Reset max GFX clock after disabling determinism
Lijo Lazar [Thu, 13 May 2021 08:21:23 +0000 (16:21 +0800)]
drm/amd/pm: Reset max GFX clock after disabling determinism

When determinism mode is disabled on aldebaran, max GFX clock will
be reset to default max frequency value.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/pm: Fix showing incorrect frequencies on aldebaran
Lijo Lazar [Thu, 13 May 2021 07:51:18 +0000 (15:51 +0800)]
drm/amd/pm: Fix showing incorrect frequencies on aldebaran

v1: Use the current and custom pstate frequencies to track the current and
user-set min/max values in manual and determinism mode. Previously, only
actual_* value was used to track the currrent and user requested value.
The value will get reassigned whenever user requests a new value with
pp_od_clk_voltage node. Hence it will show incorrect values when user
requests an invalid value or tries a partial request without committing
the values. Separating out to custom and current variable fixes such
issues.

v2: Remove redundant if-else check

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/pm: Add custom/current freq to pstates
Lijo Lazar [Thu, 13 May 2021 06:42:17 +0000 (14:42 +0800)]
drm/amd/pm: Add custom/current freq to pstates

Add custom member for user requested custom frequency, level mask
or min/max frequencies. Add curr member to keep track of the current
active values.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Conditionally reset RAS counters on boot
John Clements [Mon, 17 May 2021 08:36:26 +0000 (16:36 +0800)]
drm/amdgpu: Conditionally reset RAS counters on boot

Only clear RAS error counters if perestent EDC harvesting is not supported

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>
3 years agodrm/amdgpu: disable 3DCGCG on picasso/raven1 to avoid compute hang
Changfeng [Fri, 14 May 2021 07:28:25 +0000 (15:28 +0800)]
drm/amdgpu: disable 3DCGCG on picasso/raven1 to avoid compute hang

There is problem with 3DCGCG firmware and it will cause compute test
hang on picasso/raven1. It needs to disable 3DCGCG in driver to avoid
compute hang.

Signed-off-by: Changfeng <Changfeng.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Refine the error report when flush tlb.
Peng Ju Zhou [Wed, 28 Apr 2021 08:22:27 +0000 (16:22 +0800)]
drm/amdgpu: Refine the error report when flush tlb.

there are 2 hubs to flush in the gmc, to make it easier
to debug when hub flush failed, refine the logs.

Signed-off-by: Peng Ju Zhou <PengJu.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Skip the program of GRBM_CAM* in SRIOV
Peng Ju Zhou [Fri, 23 Apr 2021 05:36:18 +0000 (13:36 +0800)]
drm/amdgpu: Skip the program of GRBM_CAM* in SRIOV

KMD should not the program these registers,
so skip them in the SRIOV environment.

Signed-off-by: Peng Ju Zhou <PengJu.Zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Fix GPU TLB update error when PAGE_SIZE > AMDGPU_PAGE_SIZE
Yi Li [Fri, 14 May 2021 06:40:39 +0000 (14:40 +0800)]
drm/amdgpu: Fix GPU TLB update error when PAGE_SIZE > AMDGPU_PAGE_SIZE

When PAGE_SIZE is larger than AMDGPU_PAGE_SIZE, the number of GPU TLB
entries which need to update in amdgpu_map_buffer() should be multiplied
by AMDGPU_GPU_PAGES_IN_CPU_PAGE (PAGE_SIZE / AMDGPU_PAGE_SIZE).

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Yi Li <liyi@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdkfd: heavy-weight flush TLB after unmap
Philip Yang [Thu, 13 May 2021 16:30:48 +0000 (12:30 -0400)]
drm/amdkfd: heavy-weight flush TLB after unmap

Need do a heavy-weight TLB flush to make sure we have no more dirty data
in the cache for the unmapped pages.

Define enum TLB_FLUSH_TYPE, add flush_type parameter to
amdgpu_amdkfd_flush_gpu_tlb_pasid.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agoRevert "drm/amdkfd: flush TLB after updating GPU page table"
Philip Yang [Thu, 13 May 2021 16:16:01 +0000 (12:16 -0400)]
Revert "drm/amdkfd: flush TLB after updating GPU page table"

This reverts commit 1704ac8e439e3dcf97431e268bd64fde1874d807.

After "drm/amdgpu: flush TLB if valid PDE turns into PTE" is checked
in, this workaround is not needed.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Fill adev->unique_id with data from PF2VF msg
Jiawei Gu [Thu, 13 May 2021 06:17:58 +0000 (14:17 +0800)]
drm/amdgpu: Fill adev->unique_id with data from PF2VF msg

Initialize unique_id from PF2VF under virtualization.

V2: skip smu_get_unique_id() under virtualization

Signed-off-by: Jiawei Gu <Jiawei.Gu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: flush TLB if valid PDE turns into PTE
Philip Yang [Wed, 12 May 2021 12:02:46 +0000 (08:02 -0400)]
drm/amdgpu: flush TLB if valid PDE turns into PTE

Mapping huge page, 2MB aligned address with 2MB size, uses PDE0 as PTE.
If previously valid PDE0, PDE0.V=1 and PDE0.P=0 turns into PTE, this
requires TLB flush, otherwise page table walker will not read updated
PDE0.

Change page table update mapping to return table_freed flag to indicate
the previously valid PDE may have turned into a PTE if page table is
freed.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/radeon: use the dummy page for GART if needed
Christian König [Wed, 12 May 2021 08:36:43 +0000 (10:36 +0200)]
drm/radeon: use the dummy page for GART if needed

Imported BOs don't have a pagelist any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Fixes: 0575ff3d33cd ("drm/radeon: stop using pages with drm_prime_sg_to_page_addr_arrays v2")
3 years agodrm/amdgpu: move struct amdgpu_vram_reservation into vram mgr
Christian König [Tue, 27 Apr 2021 09:40:40 +0000 (11:40 +0200)]
drm/amdgpu: move struct amdgpu_vram_reservation into vram mgr

Not used outside of that file.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: check contiguous flags instead of mm_node
Christian König [Tue, 27 Apr 2021 09:36:10 +0000 (11:36 +0200)]
drm/amdgpu: check contiguous flags instead of mm_node

Drop the last user of drm_mm_node.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: set the contiguous flag if possible
Christian König [Tue, 27 Apr 2021 09:17:59 +0000 (11:17 +0200)]
drm/amdgpu: set the contiguous flag if possible

This avoids reallocating scanout BOs on first pin in a lot of cases.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: use cursor functions in amdgpu_bo_in_cpu_visible_vram
Christian König [Tue, 27 Apr 2021 08:29:10 +0000 (10:29 +0200)]
drm/amdgpu: use cursor functions in amdgpu_bo_in_cpu_visible_vram

One of the last remaining uses of drm_mm_node.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: re-apply "use the new cursor in the VM code" v2
Christian König [Mon, 22 Mar 2021 12:33:05 +0000 (13:33 +0100)]
drm/amdgpu: re-apply "use the new cursor in the VM code" v2

Now that we found the underlying problem we can re-apply this patch.

This reverts commit 6b44b667e24cf89603ebdaa31b939c034d425162.

v2: rebase on KFD changes

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: query boot config cap before issue psp cmd
Hawking Zhang [Thu, 13 May 2021 15:55:49 +0000 (23:55 +0800)]
drm/amdgpu: query boot config cap before issue psp cmd

Only send boot_config cmd to ASICs that support dynamic
boot config. Otherwise, the boot_config cmd will fail.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: add helper function to query dynamic boot config cap
Hawking Zhang [Thu, 13 May 2021 15:06:57 +0000 (23:06 +0800)]
drm/amdgpu: add helper function to query dynamic boot config cap

Check firmware flags to determine whether dynmaic
boot config is supported or not.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: switch to cached fw flags for mem training cap
Hawking Zhang [Thu, 13 May 2021 14:17:07 +0000 (22:17 +0800)]
drm/amdgpu: switch to cached fw flags for mem training cap

Check cached firmware_flags to determin whether
two stage mem training is supported or not.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: switch to cached fw flags for sram ecc cap
Hawking Zhang [Thu, 13 May 2021 14:02:29 +0000 (22:02 +0800)]
drm/amdgpu: switch to cached fw flags for sram ecc cap

Check cached firmware_flags to determine whether
sram ecc is supported or not.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: switch to cached fw flags for gpu virt cap
Hawking Zhang [Thu, 13 May 2021 13:56:50 +0000 (21:56 +0800)]
drm/amdgpu: switch to cached fw flags for gpu virt cap

Check cached firmware_flags to determine if gpu
virtualization is supported in vbios

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: add atomfirmware helper function to query fw cap
Hawking Zhang [Thu, 13 May 2021 13:46:24 +0000 (21:46 +0800)]
drm/amdgpu: add atomfirmware helper function to query fw cap

Fimware capability was changed from 16 bits to 32 bits
for atomfirmware. add helper funciton to query firmware
capability and cache the value at early stage.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Complete multimedia bandwidth interface
Bokun Zhang [Thu, 13 May 2021 05:17:54 +0000 (01:17 -0400)]
drm/amdgpu: Complete multimedia bandwidth interface

- Update SRIOV PF2VF header with latest revision

- Extend existing function in amdgpu_virt.c to read MM bandwidth config
  from PF2VF message

- Add SRIOV Sienna Cichlid codec array and update the bandwidth with
  PF2VF message

v2: squash in removal of unused variable (Alex)

Signed-off-by: Bokun Zhang <bokun.zhang@amd.com>
Reviewed-by: Monk liu <monk.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Albebaran: MTYPE_NC for coarse-grain remote memory
Felix Kuehling [Mon, 10 May 2021 22:50:11 +0000 (18:50 -0400)]
drm/amdgpu: Albebaran: MTYPE_NC for coarse-grain remote memory

MTYPE UC was used for a specific use case that ended up not being
implemented. Use NC for better performance for coarse-grained memory where
cache coherence during shader execution is not required.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Arcturus: MTYPE_NC for coarse-grain remote memory
Felix Kuehling [Mon, 10 May 2021 22:37:56 +0000 (18:37 -0400)]
drm/amdgpu: Arcturus: MTYPE_NC for coarse-grain remote memory

MTYPE UC was used for a specific use case that ended up not being
implemented. Use NC for better performance for coarse-grained memory where
cache coherence during shader execution is not required.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Add compile flag for securedisplay
Jinzhou Su [Wed, 12 May 2021 01:48:13 +0000 (09:48 +0800)]
drm/amdgpu: Add compile flag for securedisplay

Add compile flag CONFIG_DEBUG_FS to clear the warning:
unused variable 'amdgpu_securedisplay_debugfs_ops'

Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdkfd: refine the poison data consumption handling
Dennis Li [Tue, 11 May 2021 07:35:49 +0000 (15:35 +0800)]
drm/amdkfd: refine the poison data consumption handling

The user applications maybe register the KFD_EVENT_TYPE_HW_EXCEPTION and
KFD_EVENT_TYPE_MEMORY events, driver could notify them when poison data
consumed. Beside that, some applications maybe register SIGBUS signal
hander. These applications will handle poison data by themselves, exit
or re-create context to re-dispatch works.

Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/radeon/dpm: Disable sclk switching on Oland when two 4K 60Hz monitors are connected
Kai-Heng Feng [Fri, 30 Apr 2021 04:56:56 +0000 (12:56 +0800)]
drm/radeon/dpm: Disable sclk switching on Oland when two 4K 60Hz monitors are connected

Screen flickers rapidly when two 4K 60Hz monitors are in use. This issue
doesn't happen when one monitor is 4K 60Hz (pixelclock 594MHz) and
another one is 4K 30Hz (pixelclock 297MHz).

The issue is gone after setting "power_dpm_force_performance_level" to
"high". Following the indication, we found that the issue occurs when
sclk is too low.

So resolve the issue by disabling sclk switching when there are two
monitors requires high pixelclock (> 297MHz).

v2:
 - Only apply the fix to Oland.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdkfd: new range accessible by all GPUs
Philip Yang [Wed, 5 May 2021 14:32:27 +0000 (10:32 -0400)]
drm/amdkfd: new range accessible by all GPUs

If xnack is on, new range is created to recover retry vm fault or
created by SVM API calls, set all GPUs have access to the range.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/pm: Update aldebaran pmfw interface
Lijo Lazar [Tue, 11 May 2021 12:20:14 +0000 (20:20 +0800)]
drm/amd/pm: Update aldebaran pmfw interface

Update aldebaran driver-PMFW interface to version 0x07

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: Cancel the hrtimer in sw_fini
Roy Sun [Fri, 11 Dec 2020 05:00:03 +0000 (13:00 +0800)]
drm/amd/amdgpu: Cancel the hrtimer in sw_fini

Move the process of cancelling hrtimer to sw_fini

Signed-off-by: Roy Sun <Roy.Sun@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/pm: enable ASPM by default
Kenneth Feng [Tue, 11 May 2021 03:00:41 +0000 (11:00 +0800)]
drm/amd/pm: enable ASPM by default

Since ASPM function has been stable, we don't need to add the modprobe
parameter and we can enable ASPM by default.

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: update the method for harvest IP for specific SKU
Likun Gao [Fri, 7 May 2021 05:56:46 +0000 (13:56 +0800)]
drm/amdgpu: update the method for harvest IP for specific SKU

Update the method of disabling VCN IP for specific SKU for navi1x ASIC,
it will judge whether should add the related IP at the function of
amdgpu_device_ip_block_add().

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: add judgement when add ip blocks (v2)
Likun GAO [Thu, 29 Apr 2021 06:08:13 +0000 (14:08 +0800)]
drm/amdgpu: add judgement when add ip blocks (v2)

Judgement whether to add an sw ip according to the harvest info.

v2: fix indentation (Alex)

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: add synchronization among waves in the same threadgroup
Dennis Li [Sat, 8 May 2021 09:10:24 +0000 (17:10 +0800)]
drm/amdgpu: add synchronization among waves in the same threadgroup

It is possible that the previous waves have exited before others are
created, so the other waves maybe reuse pyhsical resouces left by
previous ones. Therefore add barrier instruction to synchronize waves within
the same threadgroup.

Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu/display: fix dal_allocation documentation
Alex Deucher [Fri, 23 Apr 2021 20:43:18 +0000 (16:43 -0400)]
drm/amdgpu/display: fix dal_allocation documentation

Add missing structure elements.

Fixes: 0dd79532340568 ("drm/amdgpu/display: Implement functions to let DC allocate GPU memory")
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu/display: fix build when CONFIG_DRM_AMD_DC_DCN is not defined
Alex Deucher [Fri, 7 May 2021 20:33:28 +0000 (16:33 -0400)]
drm/amdgpu/display: fix build when CONFIG_DRM_AMD_DC_DCN is not defined

Fixes:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function ‘amdgpu_dm_initialize_drm_device’:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3726:7: error: implicit declaration of function ‘register_outbox_irq_handlers’; did you mean ‘register_hpd_handlers’? [-Werror=implicit-function-declaration]
 3726 |   if (register_outbox_irq_handlers(dm->adev)) {
      |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |       register_hpd_handlers

Fixes: 81927e2808be ("drm/amd/display: Support for DMUB AUX")
Reviewed-by: Jude Shih <shenshih@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Jude Shish <Jude.Shih@amd.com>
3 years agodrm/amdgpu/display: fix warning when CONFIG_DRM_AMD_DC_DCN is not defined
Alex Deucher [Fri, 7 May 2021 20:29:33 +0000 (16:29 -0400)]
drm/amdgpu/display: fix warning when CONFIG_DRM_AMD_DC_DCN is not defined

Fixes:
At top level:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:633:13: warning: ‘dm_dmub_outbox1_low_irq’ defined but not used [-Wunused-function]
  633 | static void dm_dmub_outbox1_low_irq(void *interrupt_params)
      |             ^~~~~~~~~~~~~~~~~~~~~~~

Fixes: 81927e2808be ("drm/amd/display: Support for DMUB AUX")
Reviewed-by: Jude Shih <shenshih@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Jude Shih <Jude.Shih@amd.com>
3 years agodrm/amdgpu/display: remove an old DCN3 guard
Alex Deucher [Fri, 7 May 2021 20:16:49 +0000 (16:16 -0400)]
drm/amdgpu/display: remove an old DCN3 guard

The DCN3 guards were dropped a while ago, this one must have
snuck in in a merge or something.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Delete two unneeded bool conversions
Zhen Lei [Mon, 10 May 2021 12:23:38 +0000 (20:23 +0800)]
drm/amdgpu: Delete two unneeded bool conversions

The result of an expression consisting of a single relational operator is
already of the bool type and does not need to be evaluated explicitly.

No functional change.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Delete several unneeded bool conversions
Zhen Lei [Mon, 10 May 2021 12:16:21 +0000 (20:16 +0800)]
drm/amd/display: Delete several unneeded bool conversions

The result of an expression consisting of a single relational operator is
already of the bool type and does not need to be evaluated explicitly.

No functional change.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Initialize attribute for hdcp_srm sysfs file
David Ward [Mon, 10 May 2021 09:30:39 +0000 (05:30 -0400)]
drm/amd/display: Initialize attribute for hdcp_srm sysfs file

It is stored in dynamically allocated memory, so sysfs_bin_attr_init() must
be called to initialize it. (Note: "initialization" only sets the .attr.key
member in this struct; it does not change the value of any other members.)

Otherwise, when CONFIG_DEBUG_LOCK_ALLOC=y this message appears during boot:

    BUG: key ffff9248900cd148 has not been registered!

Fixes: 9037246bb2da ("drm/amd/display: Add sysfs interface for set/get srm")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1586
Reported-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Signed-off-by: David Ward <david.ward@gatech.edu>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/pm: Fix out-of-bounds bug
Gustavo A. R. Silva [Mon, 10 May 2021 20:46:18 +0000 (15:46 -0500)]
drm/amd/pm: Fix out-of-bounds bug

Create new structure SISLANDS_SMC_SWSTATE_SINGLE, as initialState.levels
and ACPIState.levels are never actually used as flexible arrays. Those
arrays can be used as simple objects of type
SISLANDS_SMC_HW_PERFORMANCE_LEVEL, instead.

Currently, the code fails because flexible array _levels_ in
struct SISLANDS_SMC_SWSTATE doesn't allow for code that accesses
the first element of initialState.levels and ACPIState.levels
arrays:

drivers/gpu/drm/amd/pm/powerplay/si_dpm.c:
4820: table->initialState.levels[0].mclk.vDLL_CNTL =
4821:         cpu_to_be32(si_pi->clock_registers.dll_cntl);
...
5021: table->ACPIState.levels[0].mclk.vDLL_CNTL =
5022:         cpu_to_be32(dll_cntl);

because such element cannot be accessed without previously allocating
enough dynamic memory for it to exist (which never actually happens).
So, there is an out-of-bounds bug in this case.

That's why struct SISLANDS_SMC_SWSTATE should only be used as type
for object driverState and new struct SISLANDS_SMC_SWSTATE_SINGLE is
created as type for objects initialState, ACPIState and ULVState.

Also, with the change from one-element array to flexible-array member
in commit 0e1aa13ca3ff ("drm/amd/pm: Replace one-element array with
flexible-array in struct SISLANDS_SMC_SWSTATE"), the size of
dpmLevels in struct SISLANDS_SMC_STATETABLE should be fixed to be
SISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE instead of
SISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1.

Fixes: 0e1aa13ca3ff ("drm/amd/pm: Replace one-element array with flexible-array in struct SISLANDS_SMC_SWSTATE")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/radeon/si_dpm: Fix SMU power state load
Gustavo A. R. Silva [Sun, 9 May 2021 22:55:25 +0000 (17:55 -0500)]
drm/radeon/si_dpm: Fix SMU power state load

Create new structure SISLANDS_SMC_SWSTATE_SINGLE, as initialState.levels
and ACPIState.levels are never actually used as flexible arrays. Those
arrays can be used as simple objects of type
SISLANDS_SMC_HW_PERFORMANCE_LEVEL, instead.

Currently, the code fails because flexible array _levels_ in
struct SISLANDS_SMC_SWSTATE doesn't allow for code that access
the first element of initialState.levels and ACPIState.levels
arrays:

4353         table->initialState.levels[0].mclk.vDLL_CNTL =
4354                 cpu_to_be32(si_pi->clock_registers.dll_cntl);
...
4555         table->ACPIState.levels[0].mclk.vDLL_CNTL =
4556                 cpu_to_be32(dll_cntl);

because such element cannot exist without previously allocating
any dynamic memory for it (which never actually happens).

That's why struct SISLANDS_SMC_SWSTATE should only be used as type
for object driverState and new struct SISLANDS_SMC_SWSTATE_SINGLE is
created as type for objects initialState, ACPIState and ULVState.

Also, with the change from one-element array to flexible-array member
in commit 96e27e8d919e ("drm/radeon/si_dpm: Replace one-element array
with flexible-array in struct SISLANDS_SMC_SWSTATE"), the size of
dpmLevels in struct SISLANDS_SMC_STATETABLE should be fixed to be
SISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE instead of
SISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1583
Fixes: 96e27e8d919e ("drm/radeon/si_dpm: Replace one-element array with flexible-array in struct SISLANDS_SMC_SWSTATE")
Cc: stable@vger.kernel.org
Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/radeon/ni_dpm: Fix booting bug
Gustavo A. R. Silva [Sun, 9 May 2021 22:49:26 +0000 (17:49 -0500)]
drm/radeon/ni_dpm: Fix booting bug

Create new structure NISLANDS_SMC_SWSTATE_SINGLE, as initialState.levels
and ACPIState.levels are never actually used as flexible arrays. Those
arrays can be used as simple objects of type
NISLANDS_SMC_HW_PERFORMANCE_LEVEL, instead.

Currently, the code fails because flexible array _levels_ in
struct NISLANDS_SMC_SWSTATE doesn't allow for code that access
the first element of initialState.levels and ACPIState.levels
arrays:

drivers/gpu/drm/radeon/ni_dpm.c:
1690         table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL =
1691                 cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl);
...
1903:   table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
1904:   table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);

because such element cannot exist without previously allocating
any dynamic memory for it (which never actually happens).

That's why struct NISLANDS_SMC_SWSTATE should only be used as type
for object driverState and new struct SISLANDS_SMC_SWSTATE_SINGLE is
created as type for objects initialState, ACPIState and ULVState.

Also, with the change from one-element array to flexible-array member
in commit 434fb1e7444a ("drm/radeon/nislands_smc.h: Replace one-element
array with flexible-array member in struct NISLANDS_SMC_SWSTATE"), the
size of dpmLevels in struct NISLANDS_SMC_STATETABLE should be fixed to
be NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE instead of
NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1.

Bug: https://lore.kernel.org/dri-devel/3eedbe78-1fbd-4763-a7f3-ac5665e76a4a@xenosoft.de/
Fixes: 434fb1e7444a ("drm/radeon/nislands_smc.h: Replace one-element array with flexible-array member in struct NISLANDS_SMC_SWSTATE")
Cc: stable@vger.kernel.org
Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Link: https://lore.kernel.org/dri-devel/9bb5fcbd-daf5-1669-b3e7-b8624b3c36f9@xenosoft.de/
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/amdgpu: Fix errors in function documentation
Dwaipayan Ray [Sun, 9 May 2021 14:49:23 +0000 (20:19 +0530)]
drm/amd/amdgpu: Fix errors in function documentation

Fix a couple of syntax errors and removed one excess
parameter in the function documentations which lead
to kernel docs build warning.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: remove unused function dc_link_perform_link_training
Rouven Czerwinski [Sat, 8 May 2021 18:19:51 +0000 (20:19 +0200)]
drm/amd/display: remove unused function dc_link_perform_link_training

This function is not used anywhere, remove it. It was added in
40dd6bd376a4 ("drm/amd/display: Linux Set/Read link rate and lane count
through debugfs") and moved in fe798de53a7a ("drm/amd/display: Move link
functions from dc to dc_link"), but a user is missing.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: add function to clear MMEA error status for aldebaran
Dennis Li [Mon, 10 May 2021 11:08:11 +0000 (19:08 +0800)]
drm/amdgpu: add function to clear MMEA error status for aldebaran

For aldebaran, hardware will not clear error status automatically when
reading error status register, insteadly driver should set clear bit of
the error status register explicitly to clear error status.

Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: correct the funtion to clear GCEA error status
Dennis Li [Mon, 10 May 2021 07:57:04 +0000 (15:57 +0800)]
drm/amdgpu: correct the funtion to clear GCEA error status

The bit 11 of GCEA_ERR_STATUS register is used to clear GCEA error
status.

Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: 3.2.135.1
Aric Cyr [Mon, 3 May 2021 13:57:35 +0000 (09:57 -0400)]
drm/amd/display: 3.2.135.1

- adding missed FW promotion

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: [FW Promotion] Release 0.0.65
Anthony Koo [Sun, 2 May 2021 00:16:03 +0000 (20:16 -0400)]
drm/amd/display: [FW Promotion] Release 0.0.65

- Implement INBOX0 messaging for HW lock

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: 3.2.135
Aric Cyr [Mon, 3 May 2021 02:04:15 +0000 (22:04 -0400)]
drm/amd/display: 3.2.135

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: fix use_max_lb flag for 420 pixel formats
Dmytro Laktyushkin [Mon, 19 Apr 2021 21:50:53 +0000 (17:50 -0400)]
drm/amd/display: fix use_max_lb flag for 420 pixel formats

Right now the flag simply selects memory config 0 when flag is true
however 420 modes benefit more from memory config 3.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Handle potential dpp_inst mismatch with pipe_idx
Anthony Wang [Fri, 30 Apr 2021 13:09:02 +0000 (09:09 -0400)]
drm/amd/display: Handle potential dpp_inst mismatch with pipe_idx

[Why]
In some pipe harvesting configs, we will select the incorrect
dpp_inst when programming DTO. This is because when any intermediate
pipe is fused, resource instances are no longer in 1:1
correspondence with pipe index.

[How]
When looping through pipes to program DTO, get the dpp_inst
associated with each pipe from res_pool.

Signed-off-by: Anthony Wang <anthony1.wang@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Handle pixel format test request
Ilya Bakoulin [Thu, 15 Apr 2021 20:02:25 +0000 (16:02 -0400)]
drm/amd/display: Handle pixel format test request

[Why]
Some DSC tests fail because stream pixel encoding does not change
its value according to the type requested in the DPCD test params.

[How]
Set stream pixel encoding before updating DSC config and configuring
the test pattern.

Signed-off-by: Ilya Bakoulin <Ilya.Bakoulin@amd.com>
Reviewed-by: Hanghong Ma <Hanghong.Ma@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Fix clock table filling logic
Ilya Bakoulin [Mon, 26 Apr 2021 18:27:38 +0000 (14:27 -0400)]
drm/amd/display: Fix clock table filling logic

[Why]
Currently, the code that fills the clock table can miss filling
information about some of the higher voltage states advertised
by the SMU. This, in turn, may cause some of the higher pixel clock
modes (e.g. 8k60) to fail validation.

[How]
Fill the table with one entry per DCFCLK level instead of one entry
per FCLK level. This is needed because the maximum FCLK does not
necessarily need maximum voltage, whereas DCFCLK values from SMU
cover the full voltage range.

Signed-off-by: Ilya Bakoulin <Ilya.Bakoulin@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: minor dp link training refactor
Wenjing Liu [Tue, 13 Apr 2021 22:44:40 +0000 (18:44 -0400)]
drm/amd/display: minor dp link training refactor

[how]
The change includes some dp link training refactors:
1. break down is_ch_eq_done to checking individual conditions in
its own function.
2. update dpcd_set_training_pattern to take in dc_dp_training_pattern
as input.
3. moving lttpr mode struct definition into link_service_types.h

Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: DETBufferSizeInKbyte variable type modifications
Chaitanya Dhere [Tue, 20 Apr 2021 21:21:17 +0000 (17:21 -0400)]
drm/amd/display: DETBufferSizeInKbyte variable type modifications

[Why]
DETBufferSizeInKByte is not expected to be sub-dividable, hence
unsigned int is a better suited data-type. Change it to an array
as well to satisfy current requirements.

[How]
Change the data-type of DETBufferSizeInKByte to an unsigned int
array. Modify the all the variables like DETBufferSizeY,
DETBufferSizeC that are involved in DETBufferSizeInKByte calculations
to unsigned int in all the display_mode_vba_xx files.

Signed-off-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Add dc log for DP SST DSC enable/disable
Fangzhi Zuo [Fri, 23 Apr 2021 21:00:04 +0000 (17:00 -0400)]
drm/amd/display: Add dc log for DP SST DSC enable/disable

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Mikita Lipski <Mikita.Lipski@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Expand DP module training API.
Jimmy Kizito [Sat, 10 Apr 2021 02:23:53 +0000 (22:23 -0400)]
drm/amd/display: Expand DP module training API.

[Why & How]
Add functionality useful for DP link training to public interface.

Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Add fallback and abort paths for DP link training.
Jimmy Kizito [Wed, 7 Apr 2021 22:56:19 +0000 (18:56 -0400)]
drm/amd/display: Add fallback and abort paths for DP link training.

[Why]
When enabling a DisplayPort stream:
- Optionally reducing link bandwidth between failed link training
attempts should progressively relax training requirements.
- Abandoning link training altogether if a sink is unplugged should
avoid unnecessary training attempts.

[How]
- Add fallback parameter to DP link training function and reduce link
bandwidth between failed training attempts as long as stream bandwidth
requirements are met.
- Add training status for sink unplug and abort training when this
status is reported.

Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Update setting of DP training parameters.
Jimmy Kizito [Mon, 5 Apr 2021 22:05:09 +0000 (18:05 -0400)]
drm/amd/display: Update setting of DP training parameters.

[Why]
Some links are dynamically assigned link encoders on stream enablement.

[How]
Update DisplayPort training parameter determination stage that assumes
link encoder statically assigned to link.

Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Update DPRX detection.
Jimmy Kizito [Thu, 1 Apr 2021 16:59:54 +0000 (12:59 -0400)]
drm/amd/display: Update DPRX detection.

[Why]
Some extra provisions are required during DPRX detection for links which
lack physical HPD and AUX/DDC pins.

[How]
Avoid attempting to access nonexistent physical pins during DPRX
detection.

Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: covert ras status to kernel errno
Dennis Li [Mon, 10 May 2021 03:04:59 +0000 (11:04 +0800)]
drm/amdgpu: covert ras status to kernel errno

The original codes use ras status and kernl errno together in the same
function, which is a wrong code style.

Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amd/display: Avoid HPD IRQ in GPU reset state
Zhan Liu [Sun, 9 May 2021 23:30:36 +0000 (19:30 -0400)]
drm/amd/display: Avoid HPD IRQ in GPU reset state

[Why]
If GPU is in reset state, force enabling link will cause
unexpected behaviour.

[How]
Avoid handling HPD IRQ when GPU is in reset state.

Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Nikola Cornij <nikola.cornij@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Quit RAS initialization earlier if RAS is disabled
Oak Zeng [Thu, 6 May 2021 16:24:17 +0000 (11:24 -0500)]
drm/amdgpu: Quit RAS initialization earlier if RAS is disabled

If RAS is disabled through amdgpu_ras_enable kernel parameter,
we should quit the RAS initialization eariler to avoid initialization
of some RAS data structure such as sysfs etc.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdkfd: handle errors returned by svm_migrate_copy_to_vram/ram
Philip Yang [Wed, 28 Apr 2021 22:57:57 +0000 (18:57 -0400)]
drm/amdkfd: handle errors returned by svm_migrate_copy_to_vram/ram

If migration copy failed because process is killed, or out of VRAM or
system memory, pass error code back to caller to handle error
gracefully.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Export ras_*_enabled to debugfs
Luben Tuikov [Tue, 4 May 2021 06:32:20 +0000 (02:32 -0400)]
drm/amdgpu: Export ras_*_enabled to debugfs

Export the runtime-set "ras_hw_enabled" and
"ras_enabled" to debugfs, for debugging.

Cc: Alexander Deucher <Alexander.Deucher@amd.com>
Cc: John Clements <john.clements@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: John Clements <John.Clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 years agodrm/amdgpu: Rename to ras_*_enabled
Luben Tuikov [Tue, 4 May 2021 06:25:29 +0000 (02:25 -0400)]
drm/amdgpu: Rename to ras_*_enabled

Rename,
  ras_hw_supported --> ras_hw_enabled, and
  ras_features     --> ras_enabled,
to show that ras_enabled is a subset of
ras_hw_enabled, which itself is a subset
of the ASIC capability.

Cc: Alexander Deucher <Alexander.Deucher@amd.com>
Cc: John Clements <john.clements@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: John Clements <John.Clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>