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mirror_ubuntu-kernels/drivers/gpu/drm/amd/display/dc
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Mario Limonciello e8521d0cd9 drm/amd/display: Revert W/A for hard hangs on DCN20/DCN21 
The WA from commit 2a50edbf10 ("drm/amd/display: Apply w/a for hard hang
on HPD") and commit 1bd3bc745e ("drm/amd/display: Extend w/a for hard
hang on HPD to dcn20") causes a regression in s0ix where the system will
fail to resume properly on many laptops.  Pull the workarounds out to
avoid that s0ix regression in the common case.  This HPD hang happens with
an external device in special circumstances and a new W/A will need to be
developed for this in the future.

Cc: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reported-by: Scott Bruce <smbruce@gmail.com>
Reported-by: Chris Hixon <linux-kernel-bugs@hixontech.com>
Reported-by: spasswolf@web.de
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215436
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1821
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1852
Fixes: 2a50edbf10 ("drm/amd/display: Apply w/a for hard hang on HPD")
Fixes: 1bd3bc745e ("drm/amd/display: Extend w/a for hard hang on HPD to dcn20")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-01-14 18:08:14 -05:00
..
basics Revert "drm/amd/display: Unblank hubp based on plane visibility" 2021-02-18 16:43:10 -05:00
bios drm/amd/display: Display object info table changes 2021-11-24 14:06:52 -05:00
calcs drm/amd/display: fix function scopes 2021-12-13 16:34:26 -05:00
clk_mgr drm/amd/display: Revert W/A for hard hangs on DCN20/DCN21 2022-01-14 18:08:14 -05:00
core drm/amd/display: Remove redundant initialization of dpg_width 2022-01-14 17:52:50 -05:00
dce drm/amd/display: add hdmi disable debug check 2021-12-01 16:05:16 -05:00
dce60 drm/amd/display/dc/dce60/dce60_resource: Include our own header containing prototypes 2021-01-14 13:20:21 -05:00
dce80 drm/amd/display: Return last used DRR VTOTAL from DC 2021-06-08 12:20:12 -04:00
dce100 drm/amd/display/dc/dce100/dce100_resource: Include our own header containing prototypes 2021-01-14 13:20:20 -05:00
dce110 drm/amd: move variable to local scope 2021-12-13 16:33:16 -05:00
dce112 drm/amd/display/dc/dce112/dce112_resource: Include our own header file containing prototypes 2021-01-14 13:20:20 -05:00
dce120 drm/amd/display: Return last used DRR VTOTAL from DC 2021-06-08 12:20:12 -04:00
dcn10 drm/amd/display: Fix underflow for fused display pipes case 2022-01-07 17:21:05 -05:00
dcn20 drm/amd/display: access hpo dp link encoder only through link resource 2021-12-30 08:54:45 -05:00
dcn21 drm/amd/display: Changed pipe split policy to allow for multi-display pipe split 2021-12-30 08:54:44 -05:00
dcn30 drm/amd/display: Undo ODM combine 2021-12-30 08:54:44 -05:00
dcn31 drm/amd/display: Add version check before using DP alt query interface 2022-01-07 17:22:01 -05:00
dcn201 drm/amd/display: fix dereference before NULL check 2021-12-30 08:54:45 -05:00
dcn301 drm/amd/display: Changed pipe split policy to allow for multi-display pipe split 2021-12-30 08:54:44 -05:00
dcn302 drm/amd/display: Changed pipe split policy to allow for multi-display pipe split 2021-12-30 08:54:44 -05:00
dcn303 drm/amd/display: Add reg defs for DCN303 2021-12-30 08:54:44 -05:00
dml drm/amd/display: access hpo dp link encoder only through link resource 2021-12-30 08:54:45 -05:00
dsc drm/amd/display: fixed an error related to 4:2:0/4:2:2 DSC 2021-11-24 14:06:52 -05:00
gpio drm/amd/display: add cyan_skillfish display support 2021-10-04 15:22:57 -04:00
hdcp drm/amd/display: Enforce DPCD Address ranges 2021-06-15 17:25:41 -04:00
inc drm/amd/display: unhard code link to phy idx mapping in dc link and clean up 2022-01-07 17:21:20 -05:00
irq drm/amd/display: Revert W/A for hard hangs on DCN20/DCN21 2022-01-14 18:08:14 -05:00
virtual drm/amd/display: Fix issue with dynamic bpp change for DCN3x 2021-09-23 15:17:30 -04:00
dc_bios_types.h drm/amd/display: Interface for LTTPR interop 2021-04-09 16:48:25 -04:00
dc_ddc_types.h drm/amd/display: Support for DMUB AUX 2021-03-02 14:05:41 -05:00
dc_dmub_srv.c drm/amd/display: Wait for ACK for INBOX0 HW Lock 2021-11-17 16:58:11 -05:00
dc_dmub_srv.h drm/amd/display: Wait for ACK for INBOX0 HW Lock 2021-11-17 16:58:11 -05:00
dc_dp_types.h drm/amd/display: parse and check PSR SU caps 2021-12-14 16:07:53 -05:00
dc_dsc.h drm/amd/display: move bpp range decision in decide dsc bw range function 2021-09-14 15:57:09 -04:00
dc_edid_parser.c drm/amd/display: Add Freesync HDMI support to DMCU 2021-02-02 12:11:41 -05:00
dc_edid_parser.h drm/amd/display: Add Freesync HDMI support to DMCU 2021-02-02 12:11:41 -05:00
dc_helper.c isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
dc_hw_types.h drm/amd/display: Add DP-HDMI FRL PCON Support in DC 2021-12-01 16:04:56 -05:00
dc_link.h drm/amd/display: get and restore link res map 2021-12-30 08:54:45 -05:00
dc_stat.h drm/amd/display: DMUB Outbound Interrupt Process-X86 2021-07-08 15:14:36 -04:00
dc_stream.h drm/amd/display: Add DP 2.0 MST DC Support 2021-10-25 21:21:08 -04:00
dc_trace.h drm/amd/display: Add control mechanism for FPU utilization 2021-08-05 21:17:59 -04:00
dc_types.h drm/amd/display: parse and check PSR SU caps 2021-12-14 16:07:53 -05:00
dc.h drm/amd/display: access hpo dp link encoder only through link resource 2021-12-30 08:54:45 -05:00
dm_cp_psp.h drm/amd/display: unhard code link to phy idx mapping in dc link and clean up 2022-01-07 17:21:20 -05:00
dm_event_log.h
dm_helpers.h drm/amdgpu: replace drm_detect_hdmi_monitor() with drm_display_info.is_hdmi 2021-12-07 13:13:07 -05:00
dm_pp_smu.h drm/amdgpu/pm: display vcn pp dpm (v4) 2021-05-21 10:31:55 -04:00
dm_services_types.h
dm_services.h
irq_types.h drm/amd/display: Fix for access for ddc pin and aux engine. 2021-10-06 15:52:48 -04:00
Makefile drm/amd/display: Add stub to get DPIA tunneling device data 2021-10-06 15:51:22 -04:00
os_types.h drm/amd/display: Implement DPIA training loop 2021-10-06 15:51:39 -04:00