5623 Commits

Author SHA1 Message Date
Harry VanZyllDeJong
0774e08adf drm/amd/display: Fixed corruption on 4K tvs
[WHY]
When on the desktop freesync is not enabled,
doing a frame stretch causes the TV to display
undesired output.

[HOW]
By changing the logic so that when ever fresync
is supported the TV is notified we are in fressync
instead on a non fresync state.

Signed-off-by: Harry VanZyllDeJong <hvanzyll@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:53:24 -04:00
Mikita Lipski
ec3721869c drm/amd/display: Determine synchronization edge based on master's vsync
[Why&How]
The driver always wants to synchronize streams
to the first edge of master's vsync pulse.
In order to determine that we can read timing
flags that are used to program vsync.

Master stream's vsync polarity - Multi Display Stream Synchronization edge:

        Negative               -              Falling Edge

        Positive               -              Rising Edge

Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:53:18 -04:00
Mikita Lipski
41efcd3879 drm/amd/display: Add MST capability to trigger_hotplug interface
[Why]
Need to be able to trigger software hotplug for MST connectors

[How]
For unplug the driver calls to disable topologies manager
that connector is attached to. For plugging in it does the
whole rediscovery of all connectors in drm device and enbles their
topologies if attached.

The interface for MST connectors works in the following way:

1. To disconnect all MST topologies currently connected:
   echo 0 > /sys/kernel/debug/dri/0/amdgpu_dm_trigger_hpd_mst

2. To reconnect/rediscover all topologies that are physically
connected to the card:
   echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_trigger_hpd_mst

A related fix which has been merged with this patch
Leo Ma(Hanghong Ma)'s work:

Set power states before disable MST topology
[Why]
	When we try to disable MST topology from the
	debugfs entry, some receiver will hang.
[How]
	Set DPCD 600h power states to
	2(power down mode)before disable MST topology.

Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:53:12 -04:00
Mikita Lipski
f5b6a20c7e drm/amd/display: Directly retrain link from debugfs
[why/how]
Skip logic that sets preffered link settings
and just retrain with new link_settings from Debugfs

Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:53:10 -04:00
Qingqing Zhuo
ada577258b drm/amd/display: Add missing mask for DCN3
[Why]
DCN3 is not reusing DCN1 mask_sh_list, causing
SURFACE_FLIP_INT_MASK missing in the mapping.

[How]
Add the corresponding entry to DCN3 list.

Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:53:05 -04:00
Wayne Lin
874ec9f7e5 drm/amd/display: Tweak the kernel doc for crc_rd_wrk
[Why]
Commit 1c85f3db778ffbeba91d71e9d6c8aa299f9b4efd
("drm/amd/display: Add kernel doc to crc_rd_wrk
field") adds kernel doc for crc_rd_wrk field in
amdgpu_dm.h but it's incorrectly formatted.
Make htmldocs warns:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:398: warning:
Incorrect use of kernel-doc format:          * @crc_rd_wrk

[How]
Tweak the kernel doc for crc_rd_wrk.

Fixes: 1c85f3db778ffb ("drm/amd/display: Add kernel doc to crc_rd_wrk field")
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:52:14 -04:00
Mikita Lipski
8532467cc9 drm/amd/display: Set initial value to a divider
[why/how]
Due to compiler optimization the values would be
passed to the division function uninitialized
causing a div by zero. Initialize the numerator
and denominator to 0 and 1 to prevent division
by zero.

Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:52:08 -04:00
Victor Lu
712343cd21 drm/amd/display: Add function and debugfs to dump DCC_EN bit
[why]
Currently to view the DCC_EN bit the entire DTN log
must be dumped. A compact method to view the DCC_EN
bit is desirable.

[how]
Introduce new debugfs interface that only dumps the
DCC_EN bit.

Example usage:
cat /sys/kernel/debug/dri/0/amdgpu_dm_dcc_en

Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:52:03 -04:00
Harry Wentland
ad0d8ebcb8 drm/amd/display: Add dc_debug flag to disable min fclk
[Why&How]
Add debug flag for an option to disable min fclk.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:59 -04:00
Harry Wentland
73affd3052 drm/amd/display: Add debug prints for SMU messages
[Why&How]
Add debug prints for SMU messages with regard to
versions, clocks, and more.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Robin Singh <Robin.Singh@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:55 -04:00
Jake Wang
3306ace54e drm/amd/display: Added dc_edp_id_count to dc_context
[Why]
We need to keep track of the number of eDP links to
properly enumerate edp panel control instance.

[How]
Added dc_edp_id_count to dc_context to keep track of
number of eDP links.

Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:52 -04:00
Aurabindo Pillai
37bedd9929 drm/amd/display: Add debugfs entry for LTTPR register status
[Why]
Functionality of LTTPR is reporter through the DPCD register

[How]
Expose a interface in debugfs to read the current status of
LTTPR as reported from the device's DPCD register

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:48 -04:00
Leo Li
9df857f930 drm/amd/display: Move vupdate keepout programming from DCN20 to DCN10
[Why]

The OTG_VUPDATE_KEEPOUT register and fields is
available on DCN10, and named the same in DCN20.

[How]

Move register definition and programming function
to dcn10 optc.

There is no functional change.

Signed-off-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:44 -04:00
Robin Singh
148493a81e drm/amd/display: add NULL check to avoid kernel crash in DC.
[why]
There is case when the userspace like IGT test updates the custom
timings, i.e. the number of active lines CRTC property value,
and without committing the change, followed by
resetting the display, creating FB and plane to the pipe
and committing. The NULL pointer of pipe_ctx->plane_state
occurs and result in kernel crash. We need to avoid that.

[how]
add pointer check for the dc_plane_state of the pipe context in
the call of committing planes for stream in DC component.

Signed-off-by: Robin Singh <robin.singh@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:40 -04:00
David (Dingchen) Zhang
815f72be4d drm/amd/display: use MST downstream AUX to dump DPRX CRCs
[why]
     In MST setup, we'd use MST downstream AUX to
     dump the DPRX CRCs from sink device.

[how]
     Assign the mst_port->aux to read DPCD registers.

Signed-off-by: David (Dingchen) Zhang <dingchen.zhang@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:35 -04:00
Wyatt Wood
6bdb2e3821 drm/amd/display: Add delay in dmub_srv_send_gpint_command
[Why]
Today a parameter is passed to dmub_srv_send_gpint_command
which specifies the max amount of time to wait for the command
to be acked.
This parameter instead specifies the number of times to check if
the command was acked.
We wish to add a lower bound to the timeout, which can be
accomplished by using a delay or a timestamp.
It has been decided to use udelay instead of a timestamp simply
because we don't want to expose a high precision counter if it
doesn't yield large benefits.

[How]
Add udelay(1) between each for loop iteration.

Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:29 -04:00
Wyatt Wood
04f3c88f09 drm/amd/display: Retry getting PSR state if command times out
[Why]
GPINT command to get PSR state from FW times out.

[How]
Add retry to get valid PSR state.

Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:51:25 -04:00
Wan Jiabing
92b15eb07a amd: display: modules: Remove repeated struct declaration
struct mod_hdcp is declared twice. One is declared at 33rd line.
The blew one is not needed. Remove the duplicate.

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:50:38 -04:00
Alex Deucher
2dd88ce862 drm/amdgpu/display: fix warning on 32 bit in dmub
Use uintptr_t rather than uint64_t.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Dave Airlie <airlied@gmail.com>
Cc: Harry Wentland <Harry.Wentland@amd.com>
2021-04-09 16:50:03 -04:00
Victor Lu
cb2318b7c9 drm/amd/display: Use pr_debug in DM to prevent dmesg flooding
[why]
Our CI enables drm.debug=0x4 logs and the dmesg is flooded with cursor
updates. We probably want to avoid spamming the log with DRM_DEBUG_KMS.

[how]
Define and use pr_debug macros instead of a few spammy DRM_DEBUG_*'s.

Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:49:32 -04:00
Guchun Chen
d91a275e4e drm/amd/display: add DMCUB trace irq support for DCN302
Otherwise, below errors will be found on DIMGREY_CAVEFISH with DCN302.

Error log observed in driver load:
[drm:amdgpu_dm_irq_register_interrupt [amdgpu]] *ERROR* DM_IRQ: invalid irq_source: 0!

Error observed in mode1_rest sequence:
[   27.265920] #PF: supervisor read access in kernel mode
[   27.265941] #PF: error_code(0x0000) - not-present page
[   27.265956] PGD 0 P4D 0
[   27.265967] Oops: 0000 [#1] SMP NOPTI
[   27.265979] CPU: 0 PID: 1360 Comm: cat Tainted: G        W         5.11.0-99b3786c1770 #20210323
[   27.266005] Hardware name: System manufacturer System Product Name/PRIME Z390-A, BIOS 1401 11/26/2019
[   27.266033] RIP: 0010:dal_irq_service_ack+0x25/0x60 [amdgpu]
[   27.266203] Code: 5d 5d c3 66 90 0f 1f 44 00 00 55 83 fe 61 48 89 e5 77 27 89 f0 48 8d 04 40 48 c1 e0 04 48 03 47 08 74 17 48 8b 50 28 48 89 c6 <48> 8b 52 08 48 85 d2 74 20 e8 1d 64 45 c9 5d c3 89 f2 48 c7 c7 f0
[   27.266248] RSP: 0018:ffffa115824a3c08 EFLAGS: 00010082
[   27.266270] RAX: ffffffffc0942c10 RBX: ffffffffc0942c10 RCX: 0000000000000000
[   27.266288] RDX: 0000000000000000 RSI: ffffffffc0942c10 RDI: ffff88d509cba7a0
[   27.266312] RBP: ffffa115824a3c08 R08: 0000000000000000 R09: 0000000000000001
[   27.266335] R10: ffffa115824a3b20 R11: ffffa115824a3b58 R12: ffff88d509cba7a0
[   27.266353] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000246
[   27.266377] FS:  00007fb3e2438580(0000) GS:ffff88d50dc00000(0000) knlGS:0000000000000000
[   27.266402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.266417] CR2: 0000000000000008 CR3: 000000083e5ac006 CR4: 00000000003706f0
[   27.266441] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.266464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.266483] Call Trace:
[   27.266491]  dal_irq_service_set+0x31/0x80 [amdgpu]
[   27.266639]  dc_interrupt_set+0x24/0x30 [amdgpu]
[   27.266775]  amdgpu_dm_set_dmub_trace_irq_state+0x22/0x30 [amdgpu]
[   27.266920]  amdgpu_irq_update+0x57/0xa0 [amdgpu]
[   27.267030]  amdgpu_irq_gpu_reset_resume_helper+0x64/0xa0 [amdgpu]
[   27.267135]  amdgpu_do_asic_reset+0x211/0x420 [amdgpu]
[   27.267232]  amdgpu_device_gpu_recover+0x517/0xa70 [amdgpu]
[   27.267325]  gpu_recover_get+0x2e/0x60 [amdgpu]
[   27.267421]  simple_attr_read+0x6b/0x130
[   27.267441]  debugfs_attr_read+0x49/0x70
[   27.267454]  full_proxy_read+0x5c/0x90
[   27.267474]  vfs_read+0xa1/0x190
[   27.267486]  ksys_read+0xa7/0xe0
[   27.267501]  __x64_sys_read+0x1a/0x20
[   27.267521]  do_syscall_64+0x37/0x80
[   27.267541]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   27.267562] RIP: 0033:0x7fb3e2356142

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:49:27 -04:00
Diego Viola
ec5c0ffaad drm/amd/display: fix typo: liason -> liaison
Signed-off-by: Diego Viola <diego.viola@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:49:15 -04:00
Werner Sembach
68eb3ae3c6 drm/amd/display: Try YCbCr420 color when YCbCr444 fails
When encoder validation of a display mode fails, retry with less bandwidth
heavy YCbCr420 color mode, if available. This enables some HDMI 1.4 setups
to support 4k60Hz output, which previously failed silently.

On some setups, while the monitor and the gpu support display modes with
pixel clocks of up to 600MHz, the link encoder might not. This prevents
YCbCr444 and RGB encoding for 4k60Hz, but YCbCr420 encoding might still be
possible. However, which color mode is used is decided before the link
encoder capabilities are checked. This patch fixes the problem by retrying
to find a display mode with YCbCr420 enforced and using it, if it is
valid.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:49:11 -04:00
Aric Cyr
bb01091cec drm/amd/display: 3.2.129
This version brings along following features/fixes:
- LTTPR improvements
- Disable MALL when SMU not present
- Fix bug in HW that causes P-State to hang when DPG is enabled in
  certain conditions
- Update code path for enabling DPG
- Update display endpoint control path
- Add dynamic link encoder selection
- Fix debugfs MST topology to dump from the root MST node
- Enable DP DSC Compliance automation for Linux
- ASSR is enabled only when DPCD is supported and the display
  connected is internal
- Added kernel trace event to print real-time refresh rate value
  to debug VRR issues

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:49:08 -04:00
Chris Park
6213044059 drm/amd/display: Disable MALL when SMU not present
[Why]
Bring-up purpose code to disable DMUB calling into
SMU and timeout for MALL when SMU is not present.

[How]
Disable MALL when SMU is not present.

Signed-off-by: Chris Park <Chris.Park@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:49:03 -04:00
Anthony Koo
3b77bd2478 drm/amd/display: [FW Promotion] Release 0.0.58
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:49:00 -04:00
Qingqing Zhuo
925890201e drm/amd/display: add log for automated test
[Why&How]
Add log for easier debug purposes.

Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:57 -04:00
Wesley Chalmers
482812d566 drm/amd/display: Set max TTU on DPG enable
[WHY]
There is a bug in HW that causes P-State to hang when DPG is enabled in
certain conditions.

[HOW]
The solution is to force MIN_TTU_VBLANK register to maximum value
whenever DPG has been enabled.
Make stream do a full update on test pattern change, so that the TTUs
get updated.
When DPG is enabled, update the ttu_regs.min_ttu_vblank field of each
pipe in the stream's topology to the maximum value (0xffffff).

v2: squash in build fix for when DCN is not defined (Alex)

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:53 -04:00
Wesley Chalmers
b126a69906 drm/amd/display: New path for enabling DPG
[WHY]
We want to make enabling test pattern a part of the
stream update code path. This change is the first step
towards that goal.

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:45 -04:00
Jimmy Kizito
79ed7354d7 drm/amd/display: Update display endpoint control path.
[Why]
Some display endpoints may be dynamically mapped to the link encoders
which drive them.

[How]
Update the code paths for display enabling/disabling to accommodate
the dynamic association between links and link encoders.

Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:42 -04:00
Jimmy Kizito
f42ef862fb drm/amd/display: Add dynamic link encoder selection.
[Why]
Some display endpoints may be programmably mapped to compatible link
encoders. The assignment of link encoders to links has to be dynamic to
accommodate the increased flexibility in comparison to conventional
display endpoints.

[How]
- Add link encoder assignment tracking variables.
- Execute link encoder assignment algorithm before enabling link and
release link encoders from links once they are disabled.

Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:38 -04:00
Eryk Brol
b9db41235a drm/amd/display: Fix MST topology debugfs
[why]
The drm dump_topology function was previously called on all
DP connectors. This resulted in empty topology dumps for those
connectors which weren't root MST nodes.

[how]
Make sure we only dump topology from the root MST node.

Signed-off-by: Eryk Brol <eryk.brol@amd.com>
Reviewed-by: Aurabindo Jayamohanan Pillai <Aurabindo.Pillai@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:35 -04:00
Wesley Chalmers
7809fc00e2 drm/amd/display: LTTPR config logic
[WHY]
Some systems can enable LTTPR through bits in BIOS, while other systems
can be configured at boot to enable LTTPR. Some configs enable
Non-Transparent mode, while others enable Transparent mode.

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:33 -04:00
Wesley Chalmers
3128b28502 drm/amd/display: Enumerate LTTPR modes
[WHY]
There are three possible modes for LTTPR:
- Non-LTTPR mode, where AUX timeout is 400 us and no per-hop link
training is done
- LTTPR Transparent mode, where AUX timeout is 3200 us and no per-hop
link training is done
- LTTPR Non-Transparent mode, where AUX timeout is 3200 us and per-hop
link training is done

[HOW]
Use an enum instead of a bool to track LTTPR state; modify comparisons
accordingly.

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:29 -04:00
Wesley Chalmers
dd8a86877e drm/amd/display: Interface for LTTPR interop
[WHY]
The logic to toggle LTTPR transparent/non-transparent requires 2 flags
provided by BIOS

[HOW]
Repurpose the interface to get dce caps so both LTTPR querying functions
can use them.

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:25 -04:00
Krunoslav Kovac
6b91a404c8 drm/amd/display: Rename fs_params to hdr_tm_params
[Why&How]
Renaming structure to better indicate its meaning.

Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:21 -04:00
Vladimir Stempen
553ef24d06 drm/amd/display: Fix typo for variable name
[why]
Word "remainder" was misspelled as "reminder" in
reduceSizeAndFraction method variable.

[how]
Fix the spelling.

Signed-off-by: Vladimir Stempen <vladimir.stempen@amd.com>
Reviewed-by: Alexander Deucher <alexander.deucher@amd.com>
Reviewed-by: Bindu R <Bindu.R@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:17 -04:00
Wenjing Liu
45f673e615 drm/amd/display: add mod hdcp interface for supporting encryption state query
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:15 -04:00
Wenjing Liu
4fe1fdcc23 drm/amd/display: define mod_hdcp_display_disable_option struct
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:11 -04:00
Qingqing Zhuo
ac3a4fa11f drm/amd/display: enable DP DSC Compliance automation
[Why]
Color depth data is not parsed during test requests.

[How]
Update display color depth according to color depth
request from the test equipment.

Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:08 -04:00
Stylon Wang
9127daa0a8 drm/amd/display: Guard ASSR with internal display flag
[Why]
ASSR enabling only considers capability declared in DPCD.
We also need to check whether the connector is internal.

[How]
ASSR enabling need to check both DPCD capability and internal display
flag.

Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:05 -04:00
Leo (Hanghong) Ma
6c8e1f3b95 drm/amd/display: Fix static checker warnings on tracebuff_fb
[Why]
Static analysis on linux-next has found a potential null pointer
dereference;

[How]
Refactor the function, add ASSERT and remove the unnecessary check.

Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:48:02 -04:00
Rodrigo Siqueira
4758823355 drm/amd/display: Add refresh rate trace
When we have to debug VRR issues, we usually want to know the current
refresh rate; for this reason, it is handy to have a way to check in
real-time the refresh rate value. This commit introduces a kernel trace
that can provide such information.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:47:57 -04:00
Wesley Chalmers
95574c6961 drm/amd/display: BIOS LTTPR Caps Interface
[WHY]
Some platforms will have LTTPR capabilities forced on by VBIOS flags;
the functions added here will access those flags.

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:47:53 -04:00
Nikola Cornij
fe8858bb09 drm/amd/display: Fix black screen with scaled modes on some eDP panels
[why]
This was a regression introduced by commit:

        drm/amd/display: Skip modeset for front porch change

Due to the change how timing parameters were set, scaled modes would
cause a black screen on some eDP panels. Would probably apply to
other displays (i.e. even non-eDP) that only have scaled modes,
but such case is not that usual for external displays.

[how]
Pick up crtc frame dimensions when programming the timing unless
it's FreeSync video mode.

Fixes: 6f59f229f8ed7a ("drm/amd/display: Skip modeset for front porch change")
Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:47:15 -04:00
Sefa Eyeoglu
7df4ceb60f drm/amd/display: check fb of primary plane
Sometimes the primary plane might not be initialized (yet), which
causes dm_check_crtc_cursor to divide by zero.
Apparently a weird state before a S3-suspend causes the aforementioned
divide-by-zero error when resuming from S3.  This was explained in
bug 212293 on Bugzilla.

To avoid this divide-by-zero error we check if the primary plane's fb
isn't NULL.  If it's NULL the src_w and src_h attributes will be 0,
which would cause a divide-by-zero.

This fixes Bugzilla report 212293
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=212293

Fixes: 12f4849a1cfd69f3 ("drm/amd/display: check cursor scaling")
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:44:40 -04:00
Bindu Ramamurthy
5af50b0b1c drm/amd/display: Allow idle optimization based on vblank.
[Why]
idle optimization was being disabled after commit.

[How]
check vblank count for display off and enable idle optimization based on this count.
Also,check added to ensure vblank count does not decrement, when count reaches 0.

Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:44:36 -04:00
Mark Yacoub
f4a9be998c drm/amdgpu: Ensure that the modifier requested is supported by plane.
On initializing the framebuffer, call drm_any_plane_has_format to do a
check if the modifier is supported. drm_any_plane_has_format calls
dm_plane_format_mod_supported which is extended to validate that the
modifier is on the list of the plane's supported modifiers.

The bug was caught using igt-gpu-tools test: kms_addfb_basic.addfb25-bad-modifier

Tested on ChromeOS Zork by turning on the display, running an overlay
test, and running a YT video.

=== Changes from v1 ===
Explicitly handle DRM_FORMAT_MOD_INVALID modifier.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Mark Yacoub <markyacoub@chromium.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:43:54 -04:00
Anson Jacob
d7232ec626 drm/amd/display: Removing unused code from dmub_cmd.h
Removing code that is not used at the moment.

Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:43:25 -04:00
Luben Tuikov
4711c033f6 drm/amd/display: Use appropriate DRM_DEBUG_... level
Convert IRQ-based prints from DRM_DEBUG_DRIVER to
the appropriate DRM log type, since IRQ-based
prints drown out the rest of the driver's
DRM_DEBUG_DRIVER messages.

v2: Update as per feedback to fine-tune for each
type of DRM log level.

Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-09 16:43:15 -04:00