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19e43f1276
linux/drivers/gpu/drm/amd/display/dc
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Nicholas Kazlauskas 19e43f1276 drm/amd/display: Add version check before using DP alt query interface 
[Why]
To maintain compatibility with firmware older than 4.0.11.

Those firmware may have interrmittent hangs with RDCSPIPE or the PHY,
but we shouldn't regress their previous behavior.

[How]
Use the new path if firmware is development or 4.0.11 or newer. Use the
legacy path otherwise.

Fixes: 41f91315b5 ("drm/amd/display: Query DMCUB for dp alt status")

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-01-07 17:22:01 -05:00
..
basics
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: Send s0i2_rdy in stream_count == 0 optimization 2021-12-30 08:54:44 -05:00
core drm/amd/display: unhard code link to phy idx mapping in dc link and clean up 2022-01-07 17:21:20 -05:00
dce drm/amd/display: add hdmi disable debug check 2021-12-01 16:05:16 -05:00
dce60
dce80
dce100
dce110 drm/amd: move variable to local scope 2021-12-13 16:33:16 -05:00
dce112
dce120
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
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: Add src/ext ID info for dummy service 2021-12-14 16:07:45 -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
dc_ddc_types.h
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
dc_edid_parser.h
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
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
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