Commit Graph

4650 Commits

Author SHA1 Message Date
Brandon Syu
189789a15f drm/amd/display: Fix eDP will flash when boot to OS
[WHY]
With eDP DSC enabled and set 4K 60Hz, there would be screen
corruption when booting to OS or enabling the driver.

[HOW]
Avoid powering down VDD when we cannot apply eDP fast boot.

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Brandon Syu <Brandon.Syu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Mikita Lipski
2665f63a73 drm/amd/display: Enable DSC over eDP
[why]
- Adding a DM interface to enable DSC over eDP on Linux
- DSC over eDP will allow to power savings by reducing
the bandwidth required to support panel's modes
- Apply link optimization algorithm to reduce link bandwidth
when DSC is enabled

[how]
- Read eDP panel's DSC capabilities
- Apply DSC policy on eDP panel based on its DSC capabilities
- Enable DSC encoder's on the pipe
- Enable DSC on panel's side by setting DSC_ENABLE DPCD register
- Adding link optimization algorithm to reduce link rate or lane
count based

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Angus Wang
2430be71c0 drm/amd/display: Fix LTTPR not Enabled
[WHY]
Previous LTTPR change has caused a regression that led to an
issue where LTTPR is disabled

[HOW]
Extended changes from previous fix to DCN30X

Reviewed-by: Wesley Chalmers <wesley.chalmers@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Angus Wang <angus.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Xu, Jinze
430bb83dbd drm/amd/display: Reset fifo after enable otg
[Why]
In fast boot sequence, when change dispclk, otg is disabled but digfe
is enabled. This may cause dig fifo error.

[How]
Reset dig fifo after enable otg.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: JinZe.Xu <JinZe.Xu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Jun Lei
d26c4ffba6 drm/amd/display: Code change for DML isolation
[why]
DML itself is SW only, putting the logic as part of resource makes it
hw dependent and thus impossible to compile separately from dc.
Separate compilation is critical for unit testing as well as bbox tool
development

[how]
create new dml wrapper.
Copy logic from the validation functions into dml wrapper as base
implementation. Dml wrapper has internal/static implementations
for all helpers, and does not reference other functions.
It may reference dc structures/types for convenience.

This change now has all the changes for DML isolation squashed into
one.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Jun Lei <jun.lei@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Wenjing Liu
ef9d5a54da drm/amd/display: set MSA vsp/hsp to 0 for positive polarity for DP 128b/132b
[why]
There is a bug in MSA programming sequence that mistakenly set
MSA vsp/hsp to 1 for positive polarity. This is incorrect.

Reviewed-by: Ariel Bernstein <Eric.Bernstein@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Angus Wang
fd3b2e21b8 drm/amd/display: Revert changes for MPO underflow
[WHY]
The previous changes for fixing MPO underflow with multiple
display connected caused a regression where the machine runs
into a hang when doing multiple driver pnp with multiple displays
connected

[HOW]
Reverted offending change

Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Angus Wang <angus.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Ahmad Othman
c09bb36dd1 drm/amd/display: Secondary display goes blank on Non DCN31
[Why]
Due to integration issues with branch merging,
a regression happened that prevented secondary
displays from lighting up or enabling certain features

[How]
Separated the new logic to be for DCN31 only and retained
pre DCN31 logic for all other ASICs

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Ahmad Othman <Ahmad.Othman@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Leo (Hanghong) Ma
1d925758ba drm/amd/display: Reduce dmesg error to a debug print
[Why & How]
Dmesg errors are found on dcn3.1 during reset test, but it's not
a really failure. So reduce it to a debug print.

Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-22 14:45:01 -05:00
Alvin Lee
d493a0244f drm/amd/display: Wait for ACK for INBOX0 HW Lock
[Why]
In DC we want to wait for the INBOX0 HW Lock command to ACK before
continuing. This is to ensure that the lock has been successfully
acquired before programming HW in DC.

[How]
Add interfaces to send messages on INBOX0, poll for their completation
and clear the ack.

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:11 -05:00
Jimmy Kizito
7a47c8820a drm/amd/display: Initialise encoder assignment when initialising dc_state
[Why]
Link encoder assignment tracking variables need to be (re)initialised
whenever dc_state is (re)initialised. Otherwise variables used for
dynamic encoder assignment (especially the link encoder availability
pool) are out of sync with dc_state and future encoder assignments are
invalid.

[How]
Initialise encoder assignment variables when creating new dc_state
resource.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:10 -05:00
Jimmy Kizito
aadb06f9c9 drm/amd/display: Query all entries in assignment table during updates.
[Why]
Stream ordering and count can vary from one state to the next. Only
checking a subset of entries in the encoder assignment table can lead to
invalid encoder assignments.

[How]
Check all entries in encoder assignment table when querying it.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:10 -05:00
Robin Chen
548f212514 drm/amd/display: To support sending TPS3 pattern when restoring link
[Why]
Some panels require to use TPS3 pattern to wake up link in PSR mode.

[How]
To add TPS3 selection information in PSR settings command and pass to
DMUB FW.

Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Robin Chen <po-tchen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:10 -05:00
Aric Cyr
ec581edc56 drm/amd/display: 3.2.161
This version brings along following fixes:
- Improvements to INBOX0 HW Lock
- Add support for sending TPS3 pattern
- Fix Coverity Issues
- Fixes for DMUB
- Fix RGB MPO underflow with multiple displays
- WS fixes and code restructure

Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:09 -05:00
Charlene Liu
0ec283cd04 drm/amd/display: Adjust code indentation
Reviewed-by: Sung joon Kim <Sungjoon.Kim@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:09 -05:00
Meenakshikumar Somasundaram
6ef86fa8cc drm/amd/display: Add hpd pending flag to indicate detection of new hpd
[Why]
For dpia link, link->hpd_status indicates current state, but driver
fails to capture hpd transitions in certain scenarios such as during
link training.

[How]
Added link->hpd_pending flag that captures arrival of new hpd.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:09 -05:00
Chris Park
095041dbfa drm/amd/display: Fix Coverity Issues
[Why]
Coverity discovers holes in logic that needs to be addressed for
improved code integrity.

[How]
Address issues found by coverity without changing the actual logic.

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Chris Park <Chris.Park@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:08 -05:00
Sung Joon Kim
4cbe435dd6 drm/amd/display: retain/release stream pointer in link enc table
[why]
At every reference to stream pointer, we need to increment/decrement the
kref_count.  Not doing so will result in invalid stream pointer still
alive after hibernate cycle.

[how]
Call stream retain/release whenever the link encoder assignment is set
to true/false since it indicates if we want to reference the stream
pointer or not.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:08 -05:00
Roy Chan
e43098f6ab drm/amd/display: fix stale info in link encoder assignment
[Why]
The link encoder assignment leaves the old stream data when it was
unassigned. When the clear encoder assignment is called, it based on the
old stale data to access the de-allocated stream.

[How]
There should be no need to explicitly clean up the link encoder
assignment if the unassign loop does the work properly, the loop should
base on the current state to clean up the assignment.

Also, the unassignment should better clean up the values in the
assignement slots as well.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Roy Chan <roy.chan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:08 -05:00
Huang, ChiaWen
64266f0a45 drm/amd/display: use link_rate_set above DPCD 1.3 (#1527)
[Why & How]
According to eDP spec, DPCD 1.3 is only for eDP DPCD v1.4
In dpcd_set_link_settings function, the driver is just above v1.3

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: ChiawenHuang <chiawen.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:07 -05:00
Charlene Liu
426b4c4fe5 drm/amd/display: clean up some formats and log
[why]
reduce az indirect register dump. need add az clock_gating control field
used in some project.

[how]
conditional output indrect register in the log.  add clock_gating feild

Reviewed-by: Sung joon Kim <Sungjoon.Kim@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:07 -05:00
Dmytro Laktyushkin
b57d16bdd6 drm/amd/display: bring dcn31 clk mgr in line with other version style
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:07 -05:00
Jimmy Kizito
cfd3f70ebd drm/amd/display: Use link_enc_cfg API for queries.
[Why]
The link_enc_cfg API operates in one of two modes depending on the stage
of application of dc_state to hardware. The API is the safest way to
query link encoder assignments.

[How]
Use results of link encoder assignment query using link_enc_cfg API.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:06 -05:00
Angus Wang
80c5f69b94 drm/amd/display: Fix RGB MPO underflow with multiple displays
[WHY]
With RGB MPO enabled, playing a video with multiple displays connected
results in underflow when closing the video window

[HOW]
Reverted the old change to fix this problem, which prevented pipe splits
for multiple display configurations and caused high MCLK speeds during
idle. Added a two step call to dc_update_planes_and_stream, first time
with pipe split disabled and the second time with pipe split enabled,
which fixed the underflow issue

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Angus Wang <angus.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:06 -05:00
Charlene Liu
1f6c9ab06f drm/amd/display: remove dmcub_support cap dependency
[why]
matching the dmcub_support with all other dcn version.

Reviewed-by: Sung joon Kim <Sungjoon.Kim@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:05 -05:00
Mikita Lipski
f0d0c39149 drm/amd/display: Pass panel inst to a PSR command
[why]
PSR set power command wasn't setting panel instance
and command version which caused both streams
to overwrite the same PSR state.
[how]
Pass panel instance to the set power command function
and to DMUB and set command version enum

Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:05 -05:00
Leo (Hanghong) Ma
ebd1e71969 drm/amd/display: Add helper for blanking all dp displays
[Why & How]
1. The code to blank all dp display have been called many times,
so add helpers in dc_link to make it more concise.
2. Add some check to fix the dmesg errors at boot and resume from S3
on dcn3.1 during DQE's promotion test.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:05 -05:00
Ye Guojin
b97788e504 drm/amd/display: remove unnecessary conditional operators
Since the variables named is_end_of_payload and hpd_status are already
bool type, the ?: conditional operator is unnecessary any more.

Clean them up here.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-17 16:58:04 -05:00
Anson Jacob
433e5dec41 drm/amd/display: Add comment where CONFIG_DRM_AMD_DC_DCN macro ends
Trivial patch which adds a comment for macro
endif's in amdgpu_dm.c

Reviewed-by: Ariel Bernstein <Eric.Bernstein@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-09 17:08:00 -05:00
Aric Cyr
7846972880 drm/amd/display: 3.2.160
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Aurabindo Pillai
a81ddb758c drm/amd/display: add condition check for dmub notification
[Why & How]
In order to have dc_enable_dmub_notifications() more precise, add
one more condition to check if dc->debug.dpia_debug.bits.disable_dpia
is false.

Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Jake Wang
9959125a0a drm/amd/display: Add MPC meory shutdown support
[Why & How]
The MPC memory clocks should be powered down when not in use.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Jake Wang
0a068b683c drm/amd/display: Added HPO HW control shutdown support
[Why]
HPO is only used for DP2.0. HPO HW control should be
disable when not being used to save power.

[How]
Shutdown HPO HW control during init hw.
Shutdown HPO HW control during stream disable.
Enable HPO HW control during stream enable if DP2.0.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Wenjing Liu
edcf52caa9 drm/amd/display: fix register write sequence for LINK_SQUARE_PATTERN
[why&how]
write LINK_SQUARE_PATTERN_num + 1 for square pulse pattern.
Specs requirement to write this register prior to write LINK_QUAL_LANEX_SET.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Jimmy Kizito
589bd2f03f drm/amd/display: Clear encoder assignments when state cleared.
[Why]
State can be cleared without removing individual streams (by
calling dc_remove_stream_from_ctx()). This can leave the
encoder assignment module in an incoherent state and cause
future assignments to be incorrect.

[How]
Clear encoder assignments when committing 0 streams or
re-initializing hardware.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Roman Li
0b55313cbd drm/amd/display: Force disable planes on any pipe split change
[Why]
In scenario when 1 display connected with pipe split (2 pipes in use)
and 3 new displays simultaneously hotplugged via MST hub (4 pipes in use),
mpcc may get reprogram to other vtg, remaining busy.
In this case waiting for mpcc idle timeouts with error like this:
[drm] REG_WAIT timeout 1us * 100000 tries - mpc2_assert_idle_mpcc
RIP: 0010:mpc2_assert_mpcc_idle_before_connect
Call Trace:
dcn20_update_mpcc
dcn20_program_front_end_for_ctx
dc_commit_state
amdgpu_dm_atomic_commit_tail
...

[How]
Add pipe split change condition to disable dangling plane.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Bing Guo
1fc31638eb drm/amd/display: Fix bpc calculation for specific encodings
[Why]
1. YCbCr 4:2:2 8bpc/10bpc modes are blocked for HDMI by policy
2. A YCbCr 4:2:0 calculation error blocked some 4:2:0 timing modes

[How]
YCbCr 4:2:2 8bpc/10bpc modes are allowed for HDMI
Fix YCbCr 4:2:0 calculation error

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Bing Guo <Bing.Guo@amd.com>
Reviewed-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Yu-ting Shen
bca5bea403 drm/amd/display: avoid link loss short pulse stuck the system
[Why]
MST monitor sends link loss short pulse continuous but sink is
occupy by HDMI input to lead link training fail.

[How]
disable link once retraining fail.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Yu-ting Shen <yu-tshen@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Felipe Clark
670d2a6240 drm/amd/display: Fix dummy p-state hang on monitors with extreme timing
[WHY]
It was found that the system would hang on a dummy pstate when playing
4k60 videos on a 1080p 390Hz monitor.

[HOW]
Properly select the dummy_pstate_latency_ms when firmware assisted
memory clock switching is enabled instead of assuming that the highest
latency would work for every monitor timing.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Felipe Clark <felclark@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:34 -04:00
Anson Jacob
7c5b0f2236 drm/amd/display: Fix dcn10_log_hubp_states printf format string
Fix spacing issue for the format string.

Addresses-Coverity-ID: 1446765: ("Invalid printf format string")

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-11-03 12:32:33 -04:00
Meenakshikumar Somasundaram
139a33112f drm/amd/display: MST support for DPIA
[Why]
- DPIA MST slot registers are not programmed during payload
allocation and hence MST does not work with DPIA.
- HPD RX interrupts are not handled for DPIA.

[How]
- Added inbox command to program the MST slots whenever
  payload allocation happens for DPIA links.
- Added support for handling HPD RX interrupts

Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:27:00 -04:00
Michael Strauss
1e5588d140 drm/amd/display: Fallback to clocks which meet requested voltage on DCN31
[WHY]
On certain configs, SMU clock table voltages don't match which cause parser
to behave incorrectly by leaving dcfclk and socclk table entries unpopulated.

[HOW]
Currently the function that finds the corresponding clock for a given voltage
only checks for exact voltage level matches. In the case that no match gets
found, parser now falls back to searching for the max clock which meets the
requested voltage (i.e. its corresponding voltage is below requested).

Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:50 -04:00
Qingqing Zhuo
31484207fe drm/amd/display: move FPU associated DCN301 code to DML folder
[Why & How]
As part of the FPU isolation work documented in
https://patchwork.freedesktop.org/series/93042/, isolate
code that uses FPU in DCN301 to DML, where all FPU code
should locate.

Cc: Christian König <christian.koenig@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Zhan Liu <Zhan.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:50 -04:00
Wenjing Liu
e72aa36ef8 drm/amd/display: fix link training regression for 1 or 2 lane
[why]
We have a regression that cause maximize lane settings to use
uninitialized data from unused lanes.
This will cause link training to fail for 1 or 2 lanes because the lane
adjust is populated incorrectly sometimes.

v2: fix build without CONFIG_DRM_AMD_DC_DCN (Alex)

Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:50 -04:00
Wenjing Liu
9c92c79b05 drm/amd/display: add two lane settings training options
[why]
option 1: disallow different lanes to have different lane settings
option 2: dpcd lane settings will always use the same hw lane settings
even if it doesn't match requested lane adjust

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:17 -04:00
Wenjing Liu
75c2830c91 drm/amd/display: decouple hw_lane_settings from dpcd_lane_settings
[why]
As DP features expands, we have encountered many situations where we
must configure a different DPCD lane setting from hw lane settings we
output.  The change is to decouple hw lane settings from dpcd lane
settings to provide flexibility to configure dpcd and hw individually.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:17 -04:00
Wenjing Liu
c224aac870 drm/amd/display: implement decide lane settings
[why]
Decouple lane settings decision logic all to its own function. The
function takes in lane adjust array and link training settings and
decide what hw lane setting and dpcd lane setting should be used.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:17 -04:00
Wenjing Liu
5354b2bd28 drm/amd/display: adopt DP2.0 LT SCR revision 8
[how]
revision 8 SCR requires DP Source to write TPS2 and FFE lane adjustment
in one 5 byte write aux transaction.
It specifies to read aux rd interval value as soon as we turn on TPS1
pattern.

Cc: Wayne Lin <wayne.lin@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:17 -04:00
Meenakshikumar Somasundaram
ed0ffb5dcd drm/amd/display: FEC configuration for dpia links in MST mode
[Why]
To fix the check condition for fec enable for dpia links in MST mode.

[How]
dc_link_should_enable_fec() to be used to check whether fec should be
enabled in MST mode.

Cc: Wayne Lin <wayne.lin@amd.com>
Reviewed-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:17 -04:00
Meenakshikumar Somasundaram
7fb52632ca drm/amd/display: FEC configuration for dpia links
[Why]
To fix the check condition for fec enable for dpia links.

[How]
dc_link_should_enable_fec() to be used to check whether fec should be
enabled.

Cc: Wayne Lin <wayne.lin@amd.com>
Reviewed-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:17 -04:00
Jimmy Kizito
4b169ca367 drm/amd/display: Add workaround flag for EDID read on certain docks
[Why]
Certain docks appear to NAK I2C writes to the segment pointer with the
MOT (middle of transaction) bit clear. This behaviour can cause EDID
reads from higher segments to fail.

[How]
Add workaround flag for links which connect to docks exhibiting this
issue.

Cc: Wayne Lin <wayne.lin@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:17 -04:00
Martin Leung
a9a1ac4407 drm/amd/display: Manually adjust strobe for DCN303
why:
DCN303's 4 channel SOC BB causes problems at strobe

how:
workaround to manually adjust strobe calculation using FCLK
restrict.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Martin Leung <Martin.Leung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:16 -04:00
Aric Cyr
e4e330ef3a drm/amd/display: 3.2.159
This new DC version brings improvements in the following areas:
- Improvements for USB4;
- Isolate FPU code for DCN20, DCN301, and DSC;
- Fixes on Linking training;
- Refactoring some parts of the code, such as PSR;

Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:16 -04:00
Anson Jacob
aa46d06bf8 drm/amd/display: Remove unused macros
fixed16_to_double & fixed16_to_double_to_cpu are not used.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:16 -04:00
Dmytro Laktyushkin
7db581d661 drm/amd/display: allow windowed mpo + odm
This change adds a config flag to allow non fullscreen MPO during ODM.
Scaling calculation will still fail configurations where video is only
one one side of the screen.

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:16 -04:00
Guo, Bing
b8f0208858 drm/amd/display: set Layout properly for 8ch audio at timing validation
Why:
For audio packet type 0x02, there are 2 Layouts:
   Layout = 0 for 2 channels
and Layout = 1 for > 2 channels.
Layout will affect bandwidth check.

Currently, for HDMI FRL, Layout field isn't set and has a default value
of 0, so theoretically only 2-channel audio for audio packet type 0x02
is supported now.

How:
1. Set Layout properly according to maximum audio channel numbers for
audios with audio packet type 0x02.
2. 8ch LPCM audio is not supported for timing modes with v_active <= 576.

Reviewed-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Bing Guo <Bing.Guo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:16 -04:00
Aric Cyr
fbde44bcdf drm/amd/display: Fix 3DLUT skipped programming
We found a compilation error that we thought was caused by the 3DLUT
patch; later on, we figured out the root cause of the problem, but we
already applied the revert in the wrong patch. This commit brings it
back  the 3DLUT fix.

Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:16 -04:00
Aric Cyr
6dd8154bd2 drm/amd/display: 3.2.158
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:15 -04:00
Aric Cyr
8df219bb7d drm/amd/display: Handle I2C-over-AUX write channel status update
[Why]
When writing long AUX commands some sinks will respond will write status
update requiring source to read status.

[How]
When a write request is replied with data (AUX_ACK_M), retry a read of
write status to determine when the write is completed.

Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:15 -04:00
George Shen
1072461cd7 drm/amd/display: Add comment for preferred_training_settings
[Why]
Currently the naming of preferred_training_settings is ambiguous and has
caused confusion regarding its purpose and usage.

[How]
Add comment to clarify the intention.

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:15 -04:00
George Shen
54fe00be27 drm/amd/display: Implement fixed DP drive settings
[Why]
Currently there are use cases that require DP link to maintain fixed VS
and PE in HW regardless of what the sink requests. BIOS integrated info
table will specify whether we need to use the fixed drive settings, and
the drive settings to use.

[How]
Implement changes to parse the integrated info table and set the fixed
drive settings accordingly.

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:15 -04:00
Dmytro Laktyushkin
876e835ed7 drm/amd/display: restyle dcn31 resource header inline with other asics
Style change for better consistency across codebase

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:15 -04:00
Dmytro Laktyushkin
af9775a3e1 drm/amd/display: clean up dcn31 revision check
This is unnecessary in clk_mgr

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:15 -04:00
Michael Strauss
5fdccd5b88 drm/amd/display: Defer GAMCOR and DSCL power down sequence to vupdate
[WHY]
Every other CM LUT power down sequence is deferred to next vupdate as
memory powerdown updates immediately while selecting LUTs is double
buffered.  Previous update to defer LUT power down missed GAMCOR and
DSCL, causing some visible flicker when entering/exiting fullscreen
video playback.

[HOW]
Update dpp deferred update loop to check for valid DPPs in res_pool
instead of referencing dcn_ip which turns out to not be populated during
runtime.  Move GAMCOR and DSCL powerdown to dpp deferred updates.

Reviewed-by: Haonan Wang <Haonan.Wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:15 -04:00
Michael Strauss
5ffb5267bd drm/amd/display: Set i2c memory to light sleep during hw init
[WHY]
i2c memory doesn't get set to light sleep on hw init as intended

[HOW]
Set i2c to light sleep after reg gets zeroed, ensuring memory power
control doesn't get disabled for any other DIO memory

Reviewed-by: Haonan Wang <Haonan.Wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:14 -04:00
Ahmad Othman
986430446c drm/amd/display: fix a crash on USB4 over C20 PHY
[Why]
Crash when USB4 is connected.

[How]
Added an ASIC specific code guard.

Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Ahmad Othman <Ahmad.Othman@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:14 -04:00
Qingqing Zhuo
d738db6883 drm/amd/display: move FPU associated DSC code to DML folder
[Why & How]
As part of the FPU isolation work documented in
https://patchwork.freedesktop.org/series/93042/, isolate code that uses
FPU in DSC to DML, where all FPU code should locate.

This change does not refactor any functions but move code around.

Cc: Christian König <christian.koenig@amd.com>
Cc: Hersen Wu <hersenxs.wu@amd.com>
Cc: Anson Jacob <Anson.Jacob@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Tested-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:14 -04:00
Ahmad Othman
ffd89aa968 drm/amd/display: Add support for USB4 on C20 PHY for DCN3.1
[Why]
Created new fields that matches new B0 structs On DCN31 the mapping of
DIO output to PHY differs from A0 to B0 boards with new PHY C20 & this
new mapping needed to be handled.

[How]
Mapped new structure based on new structs Added logic for mapping over
A0 and B0 boards Hooked all new structs together.

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Ahmad Othman <Ahmad.Othman@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:14 -04:00
Robin Chen
e5dfcd2727 drm/amd/display: dc_link_set_psr_allow_active refactoring
[Why]
To expose new power optimization flags to PSR interface. It allows the
PSR related power features can be enabled separately base on different
use scenarios.

Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Robin Chen <po-tchen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:14 -04:00
Anson Jacob
bc39a69a2a drm/amd/display: dcn20_resource_construct reduce scope of FPU enabled
Limit when FPU is enabled to only functions that does FPU operations for
dcn20_resource_construct, which gets called during driver
initialization.

Enabling FPU operation disables preemption.  Sleeping functions(mutex
(un)lock, memory allocation using GFP_KERNEL, etc.) should not be called
when preemption is disabled.

Fixes the following case caught by enabling
CONFIG_DEBUG_ATOMIC_SLEEP in kernel config
[    1.338434] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:281
[    1.347395] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 197, name: systemd-udevd
[    1.356356] CPU: 7 PID: 197 Comm: systemd-udevd Not tainted 5.13.0+ #3
[    1.356358] Hardware name: System manufacturer System Product Name/PRIME X570-PRO, BIOS 3405 02/01/2021
[    1.356360] Call Trace:
[    1.356361]  dump_stack+0x6b/0x86
[    1.356366]  ___might_sleep.cold+0x87/0x98
[    1.356370]  __might_sleep+0x4b/0x80
[    1.356372]  mutex_lock+0x21/0x50
[    1.356376]  smu_get_uclk_dpm_states+0x3f/0x80 [amdgpu]
[    1.356538]  pp_nv_get_uclk_dpm_states+0x35/0x50 [amdgpu]
[    1.356711]  init_soc_bounding_box+0xf9/0x210 [amdgpu]
[    1.356892]  ? create_object+0x20d/0x340
[    1.356897]  ? dcn20_resource_construct+0x46f/0xd30 [amdgpu]
[    1.357077]  dcn20_resource_construct+0x4b1/0xd30 [amdgpu]
...

Tested on: 5700XT (NAVI10 0x1002:0x731F 0x1DA2:0xE410 0xC1)

Cc: Christian König <christian.koenig@amd.com>
Cc: Hersen Wu <hersenxs.wu@amd.com>
Cc: Anson Jacob <Anson.Jacob@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:14 -04:00
Lewis Huang
cafea7728c drm/amd/display: Align bw context with hw config when system resume
[Why]
When the vbios config and driver config are different, if we update
clock to lower before call program_timing and program_pixel_clk, garbage
appear.

[How]
Align bw context with hw config when system resume

Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Lewis Huang <Lewis.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-28 14:26:13 -04:00
Dave Airlie
970eae1560 Linux 5.15-rc7
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BackMerge tag 'v5.15-rc7' into drm-next

The msm next tree is based on rc3, so let's just backmerge rc7 before pulling it in.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-28 14:59:38 +10:00
Dave Airlie
27f4432577 Merge tag 'topic/amdgpu-dp2.0-mst-2021-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
UAPI Changes:
Nope!

Cross-subsystem Changes:
drm_dp_update_payload_part1() takes a new argument for specifying what the
VCPI slot start is

Core Changes:
Make the DP MST helpers aware of the current starting VCPI slot/VCPI total
slot count...

Driver Changes:
...and then add support for taking advantage of this for 128b/132b links on DP
2.0 for amdgpu

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bf8e724cc0c8803d58a8d730fd6883c991376a76.camel@redhat.com
2021-10-28 10:36:26 +10:00
Fangzhi Zuo
d740e0bf8e drm/amd/display: Add DP 2.0 MST DC Support
[Why]
configure/call DC interface for DP2 mst support. This is needed to make DP2
mst work.

[How]
- add encoding type, logging, mst update/reduce payload functions

Use the link encoding to determine the DP type (1.4 or 2.0) and add a
flag to dc_stream_update to determine whether to increase/reduce
payloads.

v2:
* add DP_UNKNOWN_ENCODING handling

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: "Lin, Wayne" <Wayne.Lin@amd.com>
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211025223825.301703-4-lyude@redhat.com
2021-10-25 21:21:08 -04:00
Agustin Gutierrez
c494e57992 Revert "drm/amd/display: Add helper for blanking all dp displays"
This reverts commit 1445d967fb.

This patch introduced a couple of dmesg warnings, this is not a valid
approach anymore. For this reason, we are reverting this patch, and we
need to revert the workaround patch.

v2: squash in unused variable removal (Alex)

Cc: Hanghong Ma <hanghong.ma@amd.com>
Cc: Mark Broadworth <mark.broadworth@amd.com>
Signed-off-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:32:51 -04:00
Agustin Gutierrez
e848c714db Revert "drm/amd/display: Fix error in dmesg at boot"
This reverts commit 4874ecf5fd.

Signed-off-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:32:51 -04:00
Nevenko Stupar
69c86e6be3 drm/amd/display: Add bios parser support for latest firmware_info
[Why]
V3_4 is latest in use.

[How]
Add bios parser support for firmware_info_v3_4 along
with some relevant fields it is also retrieving from dce_info
and smu_info.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:32:51 -04:00
Aric Cyr
c57d7da77b drm/amd/display: 3.2.157
This DC patchset brings improvements in multiple areas. In summary, we
highlight:

* Fix some issues such as DP2 problem, prefetch bandwidth calculation
for DCN3.1 and others.
* Increased Z9 latency and removed z10 save after dsc disable.
* Revert a couple of bad changes.
* Added missing PSR state patch.

Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:32:51 -04:00
Anthony Koo
c78abac921 drm/amd/display: Change initializer to single brace
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:32:23 -04:00
Jake Wang
e7414a1a18 drm/amd/display: Disable hdmistream and hdmichar clocks
[Why & How]
Disable hdmistream and hdmichar root clocks when not being used.

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:20:28 -04:00
Jake Wang
f2949a513a drm/amd/display: Moved dccg init to after bios golden init
[Why]
bios_golden_init will override dccg_init during init_hw.

[How]
Move dccg_init to after bios_golden_init.

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:20:17 -04:00
Jake Wang
dd706b2093 drm/amd/display: Removed z10 save after dsc disable
[Why & How]
Z10 save is done during PSR and bootup.
DSC disable does not need to save for Z10.

Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:20:09 -04:00
Jake Wang
bda2446257 drm/amd/display: Disable dpstreamclk, symclk32_se, and symclk32_le
[Why & How]
Disable dpstreamclk, symclk32_se, and symclk32_le when not in use.

Reviewed-by: Ariel Bernstein <eric.yang2@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:20:02 -04:00
Nikola Cornij
aacdc9d07e drm/amd/display: Increase watermark latencies for DCN3.1
[why]
The original latencies were causing underflow in some modes

[how]
Replace with the up-to-date watermark values based on new measurments

Reviewed-by: Ahmad Othman <ahmad.othman@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:19:54 -04:00
Eric Yang
22006ad23b drm/amd/display: increase Z9 latency to workaround underflow in Z9
[Why]
Z9 latency is higher than when we originally tuned the watermark
parameters, causing underflow. Increasing the value until the latency
issues is resolved.

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:19:47 -04:00
Nicholas Kazlauskas
5595e962bd drm/amd/display: Require immediate flip support for DCN3.1 planes
[Why]
Immediate flip can be enabled dynamically and has higher BW requirements
when validating which voltage mode to use.

If we validate when it's not set then potentially DCFCLK will be too low
and we will underflow.

[How]
DM always requires support so always require it as part of DML input
parameters.

This can't be enabled unconditionally on older ASIC because it blocks
some expected modes so only target DCN3.1 for now.

Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:19:31 -04:00
Jake Wang
e22ad7e338 drm/amd/display: Disable dsc root clock when not being used
[Why & How]
Disable root clock for dsc when not being used.

Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:19:24 -04:00
Mikita Lipski
a35e5c5b75 drm/amd/display: Add missing PSR state
[why]
PSR_STATE2b was introduced on DMCUB side, but not on the driver side,
which caused convert_psr_state helper function to return
PSR_STATE_INVALID. That caused visual lagging during state transition.

[how]
Add PSR_STATE2b to dc_psr_state and convert_psr_state

Reviewed-by: Wyatt Wood <Wyatt.Wood@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:19:16 -04:00
Nicholas Kazlauskas
641e0e1f5d drm/amd/display: Fix prefetch bandwidth calculation for DCN3.1
[Why]
Prefetch BW calculated is lower than the DML reference because of a
porting error that's excluding cursor and row bandwidth from the
pixel data bandwidth.

[How]
Change the dml_max4 to dml_max3 and include cursor and row bandwidth
in the same calculation as the rest of the pixel data during vactive.

Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:19:06 -04:00
Hansen
3cf79bb772 drm/amd/display: Fix DP2 SE and LE SYMCLK selection for B0 PHY
Remap phyd32clk to PHYF and PHYG for B0, PHYC and PHYD are unused

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Hansen <Hansen.Dsouza@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:18:59 -04:00
Nikola Cornij
8048af2603 drm/amd/display: Limit display scaling to up to true 4k for DCN 3.1
[why]
The requirement is that image width up to 4096 shall be supported

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:18:45 -04:00
Lai, Derek
4a86858d39 drm/amd/display: Removed power down on boot from DCN31
[Why]
Error message on Linux when booting.

[How]
Removed power down on boot from DCN31 HW init
to match DCN10 HW init.

Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Derek Lai <derek.lai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:18:31 -04:00
Aric Cyr
94e587b8d1 drm/amd/display: Validate plane rects before use
[Why]
Calculation of scaling ratio can result in a crash due to zero'd src or
dst plane rects.

[How]
Validate that src and dst rects are valid before using for scaling
calculations.

Reviewed-by: Josip Pavic <Josip.Pavic@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:18:22 -04:00
Wenjing Liu
b78f26d3ef drm/amd/display: correct apg audio channel enable golden value
Hardware team has recommended to generically hard code this register to
0xFF as part of the effort to eventually remove this control.  However
we set it to 0xF instead.
This causes 4 of audio 8ch to be muted.

Reviewed-by: Ariel Bernstein <eric.bernstein@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:18:11 -04:00
Josip Pavic
2fcb26979d drm/amd/display: do not compare integers of different widths
[Why & How]
Increase width of some variables to avoid comparing integers of
different widths

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Josip Pavic <Josip.Pavic@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:18:04 -04:00
Michael Strauss
fd8811e60d drm/amd/display: Clean Up VPG Low Mem Power
[WHAT]
One of the current VPG power on calls is unnecessary

Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:17:56 -04:00
Wenjing Liu
05692bb02a drm/amd/display: add DP2.0 debug option to set MST_EN for SST stream
[why]
Some DP2.0 RX requires us to set MST_EN even for SST configuration.
We added this debug option so we can configure this temporary workaround
for the RX.

Reviewed-by: George Shen <george.shen@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:17:48 -04:00
Jimmy Kizito
d5ce4313cc drm/amd/display: Do not skip link training on DP quick hot plug
[Why]
When rapidly plugging and unplugging a DP sink, detection link
training can be mistakenly skipped.

This is due to the hotplug processing occurring before the
encoder assignment logic has had a chance to process the removal
of a stream. The encoder that would be used for detection link
training is then erroneously reported as already in use and
detection link training is skipped.

[How]
During hot plug processing, only determine a link encoder to be
unavailable for a particular link if it has been assigned to a
different link.

Reviewed-by: Meenakshikumar Somasundaram <Meenakshikumar.Somasundaram@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:17:39 -04:00
Jimmy Kizito
4a0dc87fca drm/amd/display: Clear encoder assignment for copied streams
[Why]
When copying a stream, the encoder assigned to it is copied too.
Encoder assignment should only happen when executing the encoder
assignment function link_encs_assign().

[How]
Clear the link encoder pointer for copied stream.

Reviewed-by: Meenakshikumar Somasundaram <Meenakshikumar.Somasundaram@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:17:31 -04:00
Jake Wang
7a28bee067 drm/amd/display: Disable dpp root clock when not being used
[Why & How]
Disable root clock for dpp when not being used.

Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-19 17:17:16 -04:00
Aurabindo Pillai
1f3b22e4eb drm/amd/display: fix null pointer deref when plugging in display
[Why&How]
When system boots in headless mode, connecting a 4k display creates a
null pointer dereference due to hubp for a certain plane being null.
Add a condition to check for null hubp before dereferencing it.

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-13 14:14:35 -04:00
Nicholas Kazlauskas
62e5a7e233 drm/amd/display: Fix surface optimization regression on Carrizo
[Why]
DCE legacy optimization path isn't well tested under new DC optimization
flow which can result in underflow occuring when initializing X11 on
Carrizo.

[How]
Retain the legacy optimization flow for DCE and keep the new one for DCN
to satisfy optimizations being correctly applied for ASIC that can
support it.

Fixes: 34316c1e56 ("drm/amd/display: Optimize bandwidth on following fast update")
Reported-by: Tom St Denis <tom.stdenis@amd.com>
Tested-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-13 14:14:34 -04:00
kernel test robot
40348baedf drm/amd/display: fix duplicated inclusion
Generated by: scripts/checkincludes.pl

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-08 13:22:52 -04:00
Lv Ruyi
806d42509b drm/amd/display: remove duplicate include in dcn201_clk_mgr.c
Remove all but the first include of reg_helper.h and core_types.h
from dcn201_clk_mgr.c.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-08 13:22:47 -04:00
Wayne Lin
097cbf2648 drm/amd/display: Fix Werror when building
[Why & How]
Got Werror when building with Clang-13:

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dpia.c:195:2:
error: variable 'ts' is used uninitialized whenever switch default is
taken [-Werror,-Wsometimes-uninitialized]

        default:

        ^~~~~~~

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dpia.c:200:9:
note: uninitialized use occurs here

        return ts;

               ^~

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dpia.c:180:2:
note: variable 'ts' is declared here

        enum dpia_set_config_ts ts;

        ^

1 error generated.

Fix it.

Reported-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-08 13:20:14 -04:00
Colin Ian King
08808f75d9 drm/amd/display: Remove redundant initialization of variable result
The variable result is being initialized with a value that is never
read, it is being updated immediately afterwards in both branches
of an if statement. The assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-08 13:20:13 -04:00
Hansen
5a1fef0278 drm/amd/display: Fix detection of 4 lane for DPALT
[Why]
DPALT detection for B0 PHY has its own set of RDPCSPIPE registers

[How]
Use RDPCSPIPE registers to detect if DPALT lane is 4 lane

Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Hansen <Hansen.Dsouza@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2021-10-06 16:14:17 -04:00
Nikola Cornij
a7e397b7c4 drm/amd/display: Limit display scaling to up to 4k for DCN 3.1
[why]
The existing limit was mistakenly bigger than 4k for DCN 3.1

Reviewed-by: Zhan Liu <Zhan.Liu@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2021-10-06 16:10:28 -04:00
George Shen
2387033ac0 drm/amd/display: Skip override for preferred link settings during link training
[Why]
Overriding link setting inside override_training_settings
result in fallback link settings being ignored. This can
potentially cause link training to always fail and consequently
result in an infinite loop of link training to occur in
dp_verify_link_cap during detection.

[How]
Since preferred link settings are already considered inside
decide_link_settings, skip the check in override_training_settings
to avoid infinite link training loops.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 16:09:32 -04:00
Meenakshikumar Somasundaram
40fadb4c73 drm/amd/display: Fix for access for ddc pin and aux engine.
[Why & How]
1. Remove unnecessary dummy interrupt source for USB4 HPD & HPD RX
2. Adjust parameter for DPCD writing of link training process of DPIA link
3. Adjust specific AUX defer delay for DPIA link

Reviewed-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:52:48 -04:00
Jimmy Kizito
6aa8d42c66 drm/amd/display: Add debug flags for USB4 DP link training.
[Why & How]
Additional debug flags that can be useful for testing USB4 DP
link training.

Add flags:
- 0x2 : Forces USB4 DP link to non-LTTPR mode
- 0x4 : Extends status read intervals to about 60s.

Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:52:43 -04:00
Jimmy Kizito
8cf5ed4a15 drm/amd/display: Fix DIG_HPD_SELECT for USB4 display endpoints.
[Why]
DIB_BE_CNTL<i>.DIG_HPD_SELECT selects the HPD block being used
by the display endpoint assigned to DIG<i>. In the case of USB4
display endpoints, no physical HPD block is assigned.

[How]
Setting DIB_BE_CNTL<i>.DIG_HPD_SELECT to 5 indicates that no HPD
is assigned to a display endpoint. Firmware decrements the
HPD_SELECT value by 1 before writing it to the register.

Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:52:37 -04:00
Jude Shih
88f52b1fff drm/amd/display: Support for SET_CONFIG processing with DMUB
[Why]
To process SET_CONFIG transactions with DMUB using inbox1 and
outbox1 mail boxes.

[How]
1) DMUB posts SET_CONFIG reply as an Outbox1 message of type
   DMUB_OUT_CMD__SET_CONFIG_REPLY.
2) The dmub async to sync mechanism for AUX is modified to accommodate
   SET_CONFIG commands for both command issue and reply code paths.

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jude Shih <shenshih@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:52:30 -04:00
Meenakshikumar Somasundaram
b0ce627218 drm/amd/display: Add dpia debug options
[Why & How]
To add support for dpia debug options.

Reviewed-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:52:24 -04:00
Jimmy Kizito
e8536806b0 drm/amd/display: Read USB4 DP tunneling data from DPCD.
[Why]
We requires information from DPCD in order to identify USB4 DP
tunneling targets.

[How]
Add USB4 DP tunneling fields to DPCD struct and populate these fields
during sink detection.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:52:17 -04:00
Meenakshikumar Somasundaram
71af9d465b drm/amd/display: Support for SET_CONFIG processing with DMUB
[Why]
To process SET_CONFIG transactions with DMUB using inbox1 and
outbox1 mail boxes.

[How]
1) Added inbox1 DPIA command subtype DMUB_CMD__DPIA_SET_CONFIG_ACCESS to
   issue SET_CONFIG command to DMUB in dc_process_dmub_set_config_async().
   DMUB processes the command with DPIA sends reply back immediately or
   in an outbox1 message triggering an outbox1 interrupt to driver.
2) DMUB posts SET_CONFIG reply as an Outbox1 message of type
   DMUB_OUT_CMD__SET_CONFIG_REPLY.
3) The dmub async to sync mechanism for AUX is modified to accommodate
   SET_CONFIG commands for both command issue and reply code paths.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:52:11 -04:00
Jimmy Kizito
80789bcffe drm/amd/display: Implement end of training for hop in DPIA display path
[Why & How]
Clear training pattern sequence for hop in display path once clock
recovery and equalization phases of DP tunnel link training completed.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:52:03 -04:00
Jimmy Kizito
847a9038c2 drm/amd/display: Implement DPIA equalisation phase
[Why]
Equalisation is the mandatory second phase of DisplayPort link training
over a USB4 DP tunnel.

[How]
Implement equalisation phase for DP tunneled over USB4 in DPIA
training module.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:57 -04:00
Jimmy Kizito
18b11f9bd4 drm/amd/display: Implement DPIA clock recovery phase
[Why]
Clock recovery is the mandatory first phase of DP link training.

[How]
- Implement clock recovery phase in DPIA training module.
- Add helper functions for building SET_CONFIG messages.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:51 -04:00
Jimmy Kizito
187c236aac drm/amd/display: Implement DPIA link configuration
[Why]
Training settings need to be applied to DPIA link at start of each
training loop. Note: FEC readiness should be configured before link
training while FEC enablement should be configured once training is
complete.

[How]
- Implement DPIA link configuration function.
- Account for dynamically assigned link encoders during link
configuration.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:45 -04:00
Jimmy Kizito
178fbb6d55 drm/amd/display: Implement DPIA training loop
[Why]
Training of DPIA link differs enough from that of conventional
DP link to warrant a separate implementation.

[How]
- Implement top-level of DPIA training loop.
- Make functions shared between DP and DPIA link training "public".

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:39 -04:00
Jimmy Kizito
edfb269347 drm/amd/display: Train DPIA links with fallback
[Why & How]
Conventional links are trained with fallback during sink detection.
Have DPIA links trained with fallback too.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:34 -04:00
Jimmy Kizito
31cf79f05d drm/amd/display: Skip DPCD read for DPTX-to-DPIA hop
[why & how]
Driver does not need to train the first hop.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:28 -04:00
Jimmy Kizito
99447622ae drm/amd/display: Add stub to get DPIA tunneling device data
[why & how]
1. Add stub for getting tunneling device data
2. Add check for phy_repeater_cnt < 0xff to LTTPR check
3. Add two more bits of information to DPIA links

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:22 -04:00
Jimmy Kizito
76724b7673 drm/amd/display: Stub out DPIA link training call
[why & how]
Add stub for DPIA link training and define new DPIA DMUB commands
to support it.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:17 -04:00
Jimmy Kizito
698d0a6fb7 drm/amd/display: Set DPIA link endpoint type
[why & how]
We will need a way to distinguish physically connected
links and DPIA endpoints.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:10 -04:00
Meenakshikumar Somasundaram
892b74a646 drm/amd/display: Support for DMUB HPD and HPD RX interrupt handling
[WHY]
To add support for HPD & HPD RX interrupt handling for USB4 DPIA in
YELLOW_CARP_B0. USB4 DPIA HPD & HPD RX interrupts are issued from DMUB to
driver as a outbox1 message.

[HOW]
1) Created get_link_index_from_dpia_port_index() to retrieve link index
   from dpia port index for HPD & HPD RX dmub notifications.
2) Added DMUB HPD & HPD RX handling in dmub_srv_stat_get_notification().

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:51:03 -04:00
Meenakshikumar Somasundaram
9fa0fb7713 drm/amd/display: USB4 DPIA enumeration and AUX Tunneling
[WHY]
To enable dc links for USB4 DPIA ports and AUX command tunneling
for YELLOW_CARP_B0.

[HOW]
1) Created dc links for all USB4 DPIA ports in create_links().
   dc_link_construct() implementation is split for legacy DDC and DPIAs.
   As usb4 has no ddc, ddc->ddc_pin will be set to NULL for its dc link
   and this parameter will be used to identify the dc links as DPIA. The
   dc link for DPIA is further to be enhanced with implementation for link
   encoder and link initialization.
2) usb4_dpia_count in struct resource_pool will be initialized to 4 in
   dcn31_resource_construct() if the DCN is YELLOW_CARP_B0.
3) Enabled DMUB AUX via outbox for YELLOW_CARP_B0.

Reviewed-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:50:56 -04:00
Jimmy Kizito
eabf2019b7 drm/amd/display: Update link encoder object creation.
[Why & How]
USB4 endpoints are dynamically mapped. We create additional link
encoders for USB4 use when DC is created and destroy them when DC
is destructed

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:50:50 -04:00
Leo (Hanghong) Ma
4874ecf5fd drm/amd/display: Fix error in dmesg at boot
[Why]
During DQE's promotion test, error appears in dmesg at boot
on dcn3.1;

[How]
Add NULL pointor check for the pointor to the amdgpu_dm_connector;

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:50:33 -04:00
Jimmy Kizito
8da5cbafb2 drm/amd/display: Fix concurrent dynamic encoder assignment.
[Why]
Trying to enable multiple displays simultaneously exposed shortcomings
with the algorithm for dynamic link encoder assignment.

The main problems were:
- Assuming stream order remained constant across states would
sometimes lead to invalid DIG encoder assignment.
- Incorrect logic for deciding whether or not a DIG could support a
stream would also sometimes lead to invalid DIG encoder assignment.
- Changes in encoder assignment were wholesale while updating of the
pipe backend is incremental. This would lead to the hardware state
not matching the software state even with valid encoder assignments.

[How]

The following changes fix the identified problems.
- Use stream pointer rather than stream index to track streams across
states.
- Fix DIG compatibility check by examining the link signal type
rather than the stream signal type.
- Modify assignment algorithm to make incremental updates so software
and hardware states remain coherent.

Additionally:
- Add assertions and an encoder assignment validation
function link_enc_cfg_validate() to detect potential problems with
encoder assignment closer to their root cause.
- Reduce the frequency with which the assignment algorithm is
executed. It should not be necessary for fast state validation.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:50:24 -04:00
Leo (Hanghong) Ma
1445d967fb drm/amd/display: Add helper for blanking all dp displays
[Why & How]
The codes to blank all dp display have been called many times,
so add a helper in dc_link to make it more concise.

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:50:15 -04:00
Aric Cyr
99cc8774f7 drm/amd/display: 3.2.156
This version brings along following fixes:
- New firmware version
- Fix DMUB problems on stress test.
- Improve link training by skip overrride for preferred link
- Refinement of FPU code structure for DCN2
- Fix 3DLUT skipped programming
- Fix detection of 4 lane for DPALT
- Fix dcn3 failure due to dmcbu_abm not created
- Limit display scaling to up to 4k for DCN 3.1
- Add helper for blanking all dp displays

Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:50:09 -04:00
Hansen
07fe77c3ad drm/amd/display: Fix detection of 4 lane for DPALT
[Why]
DPALT detection for B0 PHY has its own set of RDPCSPIPE registers

[How]
Use RDPCSPIPE registers to detect if DPALT lane is 4 lane

Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Hansen <Hansen.Dsouza@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:49:49 -04:00
Nikola Cornij
aa635f6509 drm/amd/display: Limit display scaling to up to 4k for DCN 3.1
[why]
The existing limit was mistakenly bigger than 4k for DCN 3.1

Reviewed-by: Zhan Liu <Zhan.Liu@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:49:39 -04:00
Jake Wang
8017ecb11e drm/amd/display: Added root clock optimization flags
[Why & How]
Added root clock optimization debug flags for future debugging.

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:49:30 -04:00
Qingqing Zhuo
ee37341199 drm/amd/display: Re-arrange FPU code structure for dcn2x
[Why]
Current FPU code for DCN2x is located under dml/dcn2x.
This is not aligned with DC's general source tree
structure.

[How]
Move FPU code for DCN2x to dml/dcn20.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:49:24 -04:00
George Shen
86adcb0bea drm/amd/display: Skip override for preferred link settings during link training
[Why]
Overriding link setting inside override_training_settings
result in fallback link settings being ignored. This can
potentially cause link training to always fail and consequently
result in an infinite loop of link training to occur in
dp_verify_link_cap during detection.

[How]
Since preferred link settings are already considered inside
decide_link_settings, skip the check in override_training_settings
to avoid infinite link training loops.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-06 15:49:10 -04:00
Liu, Zhan
2fe9a0e117 drm/amd/display: Fix DCN3 B0 DP Alt Mapping
[Why]
DCN3 B0 has a mux, which redirects PHYC and PHYD to PHYF and PHYG.

[How]
Fix DIG mapping.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Zhan Liu <Zhan.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
(cherry picked from commit 4b7786d87f)
2021-10-05 10:17:50 -04:00
Liu, Zhan
45d65c0f09 drm/amd/display: Fix B0 USB-C DP Alt mode
[Why]
Starting from B0, along with RDPCSTX, RDPCSPIPE registers are also used.

[How]
Make sure RDPCSPIPE registers are programmed correctly.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Zhan Liu <Zhan.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
(cherry picked from commit bdd1a21b52)
2021-10-05 10:17:32 -04:00
Alex Deucher
519607a2f7 drm/amdgpu/display: fold DRM_AMD_DC_DCN201 into DRM_AMD_DC_DCN
No need for a separate kconfig option at this point.

Reviewed-by: Zhan Liu <zhan.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-04 15:23:02 -04:00
Harry Wentland
6131538b49 drm/amd/display: Only define DP 2.0 symbols if not already defined
[Why]
For some reason we're defining DP 2.0 definitions inside our
driver. Now that patches to introduce relevant definitions
are slated to be merged into drm-next this is causing conflicts.

In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c:33:
In file included from ./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:70:
In file included from ./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu_mode.h:36:
./include/drm/drm_dp_helper.h:1322:9: error: 'DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER' macro redefined [-Werror,-Wmacro-redefined]
        ^
./drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dp_types.h:881:9: note: previous definition is here
        ^
1 error generated.

[How]
Guard all display driver defines with #ifndef for now. Once we pull
in the new definitions into amd-staging-drm-next we will follow
up and drop definitions from our driver and provide follow-up
header updates for any addition DP 2.0 definitions required
by our driver.

We also ensure drm_dp_helper.h is included before dc_dp_types.h.

v3: Ensure drm_dp_helper.h is included before dc_dp_types.h

v2: Add one missing endif

Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-04 15:22:57 -04:00
Zhan Liu
3f68c01be9 drm/amd/display: add cyan_skillfish display support
[Why]
add display related cyan_skillfish files in.

makefile controlled by CONFIG_DRM_AMD_DC_DCN201 flag.

v2: squash in clang fixes from Harry, Nathan
v3: squash in missing CONFIG_DRM_AMD_DC check (Alex)

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Jun Lei <jun.lei@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-04 15:22:57 -04:00
Arnd Bergmann
0069a22738 gpu: amd: replace open-coded offsetof() with builtin
The two AMD drivers have their own custom offsetof() implementation
that now triggers a warning with recent versions of clang:

drivers/gpu/drm/radeon/radeon_atombios.c:133:14: error: performing pointer subtraction with a null pointer has undefined behavior [-Werror,-Wnull-pointer-subtraction]

Change all the instances to use the normal offsetof() provided
by the kernel that does not have this problem.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-09-29 17:30:00 -04:00
George Shen
356af2f32f drm/amd/display: Update VCP X.Y logging to improve usefulness
[Why]
Recently debugging efforts have involved setting/checking the
X.Y value used during payload allocation. Current output for
Y was calculated with incorrect bitshift. Y value is also not
human readable.

[How]
Refactor logging into separate function. Fix Y calculation error
and format output to be human readable.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-09-29 17:30:00 -04:00
George Shen
3626a6aebe drm/amd/display: Handle Y carry-over in VCP X.Y calculation
[Why/How]
Theoretically rare corner case where ceil(Y) results in rounding
up to an integer. If this happens, the 1 should be carried over to
the X value.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-09-29 17:30:00 -04:00
Wenjing Liu
c01baf22da drm/amd/display: make verified link cap not exceeding max link cap
[why]
There is a chance verified link cap can be greater than max link cap.
This causes software hang because we cannot power up PHY with link rate
that cannot handle.
The change is to guard verfieid link cap from becoming larger than max link cap
our PHy can support.

Reviewed-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-09-29 17:30:00 -04:00
Michael Strauss
028a998c62 drm/amd/display: Defer LUT memory powerdown until LUT bypass latches
[WHY]
Blnd, 3dlut, and shaper LUT select registers are double buffered, however
their accompanying LUT memory shutdown registers are not. As a result,
shutting down LUT memory immediately after setting a block to bypass causes
corruption as bypass only happens at next Vupdate.

[HOW]
Re-enable mem low power for CM block
Force optimization on next flip and disable LUT memory during optimization
sequence if LUT select field is then set to bypass

v2: squash in CONFIG_DRM_AMD_DC_DCN fix (Alex)

Reviewed-by: Eric Yang <Eric.Yang2@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-09-29 17:29:59 -04:00
Praful Swarnakar
083fa05bba drm/amd/display: Fix Display Flicker on embedded panels
[Why]
ASSR is dependent on Signed PSP Verstage to enable Content
Protection for eDP panels. Unsigned PSP verstage is used
during development phase causing ASSR to FAIL.
As a result, link training is performed with
DP_PANEL_MODE_DEFAULT instead of DP_PANEL_MODE_EDP for
eDP panels that causes display flicker on some panels.

[How]
- Do not change panel mode, if ASSR is disabled
- Just report and continue to perform eDP link training
with right settings further.

Signed-off-by: Praful Swarnakar <Praful.Swarnakar@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2021-09-28 14:39:12 -04:00
Qingqing Zhuo
87e9585b36 drm/amd/display: Replace referral of dal with dc
[Why]
DC should be used in place of DAL in
upstream.

[How]
Replace dal with dc in function names.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-09-28 09:30:13 -04:00