Commit Graph

10 Commits

Author SHA1 Message Date
Ovidiu Bunea
fdcc620b02 drm/amd/display: Fixes for S0i3 exit
[why & how]
Add debug flag "ignore_pg" to dcn32 PG functions.
Update default z10 support status.
Temp disable RFB features for ASIC.
Remove legacy code path.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-12-08 14:22:47 -05:00
Dmytro Laktyushkin
def3488eb0 drm/amd/display: refactor HPD to increase flexibility
Currently all dcn revisions have to follow the same codepath for
hotplug detection. This change allows per dcn hpd handling consolidating
hpd code in link_encoder.

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-12-08 13:56:40 -05:00
Wesley Chalmers
782f0bb5a1 drm/amd/display: Rename header file link.h to link_service.h
[WHY]
Header file name "link.h" collides with system header when dc is
compiled as a user-mode library

[WHAT]
Rename link.h to link_service.h to avoid name collision

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-15 16:57:29 -04:00
Liao Yuanhong
53c271b9a0 drm/amd/display: Remove redundant ternary operators
For ternary operators in the form of "a ? true : false" or
"a ? false : true", if 'a' itself returns a boolean result, the ternary
operator can be omitted. Remove redundant ternary operators to clean up the
code.

Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-05 17:38:39 -04:00
Peichen Huang
54743ca151 drm/amd/display: misc for dio encoder refactor
[WHY]
These are left required changes for dio encoder refactor.

[HOW]
1. original logic is separated by config option
2. new link encoder dp enable/disable code for dcn35
3. process fec only for DP 8b10b encoding

Reviewed-by: Cruise Hung <cruise.hung@amd.com>
Signed-off-by: Peichen Huang <PeiChen.Huang@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-03-05 10:39:20 -05:00
Peichen Huang
44063dbcdb drm/amd/display: have pretrain for dpia
[WHY]
We like to have pretrain for dpia link so that dp and dp tunneling
have aligned behavior. The Main difficult for dpia pretrain is that
encoder can not get corresponded dpia port when link detection
in current implementation.

[HOW]
1. create enable/disable dpia output functions for dcn35 encoder
and have dpia_id and other necessary info as inputs.
2. dcn35 dpia use the new functions to enable/disable output.
3. have a option to enable/disable the change.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Peichen Huang <PeiChen.Huang@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-01-06 14:44:27 -05:00
Nicholas Kazlauskas
bd870cfd21 drm/amd/display: Add seamless boot support for more DIG operation modes
[Why]
When pre-OS firmware enables display support for displays that operate
the DIG in 2 pixels per cycle processing modes the inferred pixel rate
from get_pixel_clk_frequency_100hz does not account for the true pixel
rate since we're outputting 2 per cycle past the stream encoder.

This causes seamless boot validation to abort early.

[How]
Add a new stream encoder function for getting pixels per cycle from the
stream encoder. If the pixels per cycle is greater than 1 and the driver
policy is to enable 2 pixels per cycle for post-OS then allow seamless
boot to continue.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-07-27 17:34:07 -04:00
Bhuvanachandra Pinninti
680caca6fe drm/amd/display: Refactor for dio
Moved files to respective folders to improve DIO code.

Signed-off-by: Bhuvanachandra Pinninti <bpinnint@amd.com>
Reviewed-by: Martin Leung <martin.leung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-07-27 17:31:26 -04:00
Jingwen Zhu
218784049f drm/amd/display: avoid disable otg when dig was disabled
[Why]
This is a workaround for an dcn3.1 hang that happens if otg dispclk
is ramped while otg is on and stream enc is off.
But this w/a should not trigger when we have a dig active.

[How]
Avoid disable otg when dig FE/BE FIFO was not switched.

Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Jingwen Zhu <jingwen.zhu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-07-23 17:07:10 -04:00
Mounika Adhuri
2d62bb450e drm/amd/display: Refactor DCN3X into component folder
[why]
Move DCN3X files to unique component folder.

[how]
Create respective component folder in dc, move the DCN3X files into
corresponding new folders and made appropriate changes for compilation
in Makefiles.

Reviewed-by: Martin Leung <martin.leung@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Mounika Adhuri <moadhuri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-06-14 16:18:55 -04:00