linux-toradex.git/drivers/gpu/drm/amd/display/include, branch v4.20-rc3 Linux kernel for Apalis and Colibri modules drm/amd/display: Add a check-function for virtual signal type 2018-10-09T22:01:48+00:00 Nikola Cornij nikola.cornij@amd.com 2018-09-12T19:17:51+00:00 cbad73147fe20be018d976ea59c82bdf26e46151 [why] Same functions exist for all other signal types. [how] Add a function that checks against virtual signal type. Signed-off-by: Nikola Cornij <nikola.cornij@amd.com> Reviewed-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[why]
Same functions exist for all other signal types.

[how]
Add a function that checks against virtual signal type.

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Add Raven2 definitions in dc 2018-09-14T14:36:47+00:00 Bhawanpreet Lakha Bhawanpreet.Lakha@amd.com 2018-01-22T21:12:27+00:00 0e3d73f1a440eaca270a028bff51649ae99df113 Add Raven2 definitions in the dc code Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Add Raven2 definitions in the dc code

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Support reading hw state from debugfs file 2018-08-27T20:20:49+00:00 Nicholas Kazlauskas nicholas.kazlauskas@amd.com 2018-08-15T16:00:23+00:00 46659a83e4662ed92000ec13445b8c0ca96fd2cc [Why] Logging hardware state can be done by triggering a write to the debugfs file. It would also be useful to be able to read the hardware state from the debugfs file to be able to generate a clean log without timestamps. [How] Usage: cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log Threading is an obvious concern when dealing with multiple debugfs operations and blocking on global state in dm or dc seems unfavorable. Adding an extra parameter for the debugfs log context state is the implementation done here. Existing code that made use of DTN_INFO and its associated macros needed to be refactored to support this. We don't know the size of the log in advance so it reallocates the log string dynamically. Once the log has been generated it's copied into the user supplied buffer for the debugfs. This allows for seeking support but it's worth nothing that unlike triggering output via dmesg the hardware state might change in-between reads if your buffer size is too small. Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Jordan Lazare <Jordan.Lazare@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]

Logging hardware state can be done by triggering a write to the
debugfs file. It would also be useful to be able to read the hardware
state from the debugfs file to be able to generate a clean log without
timestamps.

[How]

Usage: cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log

Threading is an obvious concern when dealing with multiple debugfs
operations and blocking on global state in dm or dc seems unfavorable.

Adding an extra parameter for the debugfs log context state is the
implementation done here. Existing code that made use of DTN_INFO
and its associated macros needed to be refactored to support this.

We don't know the size of the log in advance so it reallocates the
log string dynamically. Once the log has been generated it's copied
into the user supplied buffer for the debugfs. This allows for seeking
support but it's worth nothing that unlike triggering output via
dmesg the hardware state might change in-between reads if your buffer
size is too small.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Jordan Lazare <Jordan.Lazare@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu/display: add support for LVDS (v5) 2018-08-27T16:11:15+00:00 Alex Deucher alexander.deucher@amd.com 2018-08-14T19:53:52+00:00 11c3ee48bd7c232c0a750b4dde8ee48f315dcdf3 This adds support for LVDS displays. v2: add support for spread spectrum, sink detect v3: clean up enable_lvds_output v4: fix up link_detect v5: remove assert on 888 format Bug: https://bugs.freedesktop.org/show_bug.cgi?id=105880 Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
This adds support for LVDS displays.

v2: add support for spread spectrum, sink detect
v3: clean up enable_lvds_output
v4: fix up link_detect
v5: remove assert on 888 format

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=105880
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Refactor FreeSync module 2018-08-27T16:10:51+00:00 Anthony Koo Anthony.Koo@amd.com 2018-08-21T19:40:28+00:00 98e6436d3af5fef7ca9b59d865dd5807ede36fb9 Remove dependency on internal sink map and instead use existing stream and plane state Signed-off-by: Anthony Koo <Anthony.Koo@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Remove dependency on internal sink map and instead
use existing stream and plane state

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: add retimer log for HWQ tuning use. 2018-08-27T16:10:15+00:00 Charlene Liu charlene.liu@amd.com 2018-08-01T00:14:26+00:00 2f14bc8968e3d97fc46bb464045d0fa8fbd2b013 Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Set DFS bypass flags for dce110 2018-08-27T16:09:49+00:00 Nicholas Kazlauskas nicholas.kazlauskas@amd.com 2018-07-24T17:19:49+00:00 4e60536d093f486229bb8d86c739e8ef6446df85 [Why] While there is support for using and quering DFS bypass clocks the hardware is never notified to enter DFS bypass mode for dce110. [How] Add a flag that can be set when programming the display engine PLL to enable DFS bypass mode. If this flag is set then the hardware is notified to enter DFS bypass mode and the correct display engine clock frequency can be acquired. Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why]

While there is support for using and quering DFS bypass clocks the
hardware is never notified to enter DFS bypass mode for dce110.

[How]

Add a flag that can be set when programming the display engine PLL
to enable DFS bypass mode. If this flag is set then the hardware is
notified to enter DFS bypass mode and the correct display engine clock
frequency can be acquired.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: add vbios table check for enabling dp ss 2018-08-06T20:56:54+00:00 Dmytro Laktyushkin Dmytro.Laktyushkin@amd.com 2018-07-18T19:25:34+00:00 ad830e7ab1847f4a014c04496b2581a7497b204f Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: read DP sink and DP branch hardware and firmware revision from DPCD 2018-07-13T19:48:49+00:00 Alvin lee alvin.lee3@amd.com 2018-06-19T19:40:09+00:00 4b99affbb30027c8414a9d583777ad5c6439ae12 - define new dpcd address in drm - implement new members in dpcd_caps to store values read from new dpcd address Signed-off-by: Alvin lee <alvin.lee3@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
- define new dpcd address in drm
- implement new members in dpcd_caps to store values read from new dpcd address

Signed-off-by: Alvin lee <alvin.lee3@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Convert remaining loggers off dc_logger 2018-07-13T19:48:42+00:00 Nicholas Kazlauskas nicholas.kazlauskas@amd.com 2018-06-19T13:58:24+00:00 e1cb3e4801e6896ba93d63222b1052199d2a8c9b - Removed dal/dm/dc loggers from linux, switched to kernel prints - Modified functions that used these directly to use macros - dc_logger support is completely dropped from Linux Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
- Removed dal/dm/dc loggers from linux, switched to kernel prints
- Modified functions that used these directly to use macros
- dc_logger support is completely dropped from Linux

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>