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17 commits

Author SHA1 Message Date
Alvin Lee
319568d75f drm/amd/display: Updates SubVP and SubVP DRR cases
[Description]
- For any DRR cases in SubVP, don't lock for VSYNC flips
- For DCN32/321 use FW to do DRR manual trigger programming
- Add bit in SubVP cmd to indicate if the SubVP pipe is DRR

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-07-25 17:15:06 -04:00
Rodrigo Siqueira
00fa7f031d drm/amd/display: Add basic infrastructure for enabling FAMS
We want to enable Firmware Assisted Memory (FAMS) Switching, but first,
we need to add the required code infrastructure in DC before allowing it
in amdgpu_dm.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-07-05 16:12:00 -04:00
Felipe Clark
c2fbe663ec drm/amd/display: Firmware assisted MCLK switch and FS
[WHY]
Memory clock switching has great potential for power savings.

[HOW]
The driver code was modified to notify the DMCUB firmware that it should
stretch the vertical blank of frames when a memory clock switch is about
to start so that no blackouts happen on the screen due to unavailability
of the frame buffer.
The driver logic to determine when such firmware assisted strategy can
be initiated is also implemented and consists on checking prerequisites
of the feature.

Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Felipe Clark <felipe.clark@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-06-14 21:38:41 -04:00
Aurabindo Pillai
ac2e555e0a drm/amd/display: Add DMCUB source files and changes for DCN32/321
DMCUB is the display engine microcontroller which aids in modesetting
and other display related features.

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-06-03 16:43:37 -04:00
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
Alex Deucher
8fe44c080a drm/amdgpu/display: fold DRM_AMD_DC_DCN3_1 into DRM_AMD_DC_DCN
No need for a separate flag now that DCN3.1 is not in bring up.
Fold into DRM_AMD_DC_DCN like previous DCN IPs.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-06-22 16:51:45 -04:00
Ashley Thomas
2631ac1ac3 drm/amd/display: add DMUB registers to crash dump diagnostic data.
[WHY]
Ability to triage DMCUB is improved with availability of certain
dmub registers not currently captured in crash dump diagnostic data.

[HOW]
Add dmub registers to diagnostic data collection.

Thanks Nicholas Kazlauskas for awesome input on this!

Signed-off-by: Ashley Thomas <Ashley.Thomas2@amd.com>
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: Alex Deucher <alexander.deucher@amd.com>
2021-06-15 17:25:40 -04:00
Nicholas Kazlauskas
b04cb1924c drm/amd/display: Add DCN3.1 DMCUB
DMCU-B (Display Micro-Controller Unit B) is a display microcontroller
used for shared display functionality with BIOS and for advanced
power saving display features.

Extends the command header to include new DCN3.1 functionality.

Adds new interfaces to DC dmub interface as well for z-state support.

Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-06-04 16:39:18 -04:00
Alvin Lee
f2973d2a41 drm/amd/display: Implement INBOX0 usage in driver
[Why]
Start using INBOX0 for HW Lock command

[How]
- Implement initial interface for INBOX0 HW lock message

Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-05-27 12:25:35 -04:00
Yongqiang Sun
6804287bd1 drm/amd/display: Fixed read/write pointer issue for get dmub trace
[Why]
Driver get wrap around dmub trace data due to read pointer being
increased incorrectly when there are multiple interrupt
queues with very short interval

[How]
Check read/write pointer before copying data from ring buffer

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-03-23 23:02:46 -04:00
Yongqiang Sun
70732504c5 drm/amd/display: Implement dmub trace event
[Why & How]
DMUB FW send trace event via outbox0 interrupt.  Driver will handle it.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-03-02 14:07:10 -05:00
Nicholas Kazlauskas
ecdfc5c92f drm/amd/display: Add dc_dmub_srv helpers for in/out DMCUB commands
[Why]
We added these in DMCUB for runtime feature detection
but we didn't have helpers to call these with DC error
handling/logging.

[How]
Add helpers.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-18 16:43:10 -05:00
Eric Yang
0825d9658b drm/amd/display: implement notify stream mask
[Why]
Send stream active state info to DMUB

[How]
Implement GPINT to notify stream mask

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-09-15 17:52:41 -04:00
Anthony Koo
cdca3f218d drm/amd/display: move location of dmub_srv.h file
[Why]
Make a separation of what belongs in the differen dmub
headers

dmub_srv.h is for exposing dmub srv interface to rest of
driver.

other headers inside dmub/inc exposes cmds and definitions
that are owned by the firmware

[How]
keep firmware owned definitions in dmub/inc

move stuff that is purely driver interface headers to dmub/
since those are interface calls that are defined for rest of
driver to use

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-05-05 13:12:33 -04:00
Nicholas Kazlauskas
0ed3bcc459 drm/amd/display: Pass command instead of header into DMUB service
[Why]
We read memory that we shouldn't be touching if the struct isn't
a full union dmub_rb_cmd.

[How]
Fix up all the callers and functions that take in the dmub_cmd_header
to use the dmub_rb_cmd instead.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-28 16:19:05 -04:00
Anthony Koo
d3b18f8c6f drm/amd/display: clean up some header paths
[Why]
Some include paths don't need to have relative paths
And some types missing

[How]
make some changes to headers and modify include path

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-28 16:17:29 -04:00
Nicholas Kazlauskas
3a1627b073 drm/amd/display: Add DMUB support to DC
DC will use DMUB for command submission and flow control during
initialization.

Register offloading as well as submitting some BIOS commands are part
of the DC internal interface but are guarded behind debug options.

It won't be functional in amdgpu_dm yet since we don't pass the
DMUB service to DC for use.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-11-13 15:29:42 -05:00