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(parent: 8b8eda0) | patch
drm/amd/display: fix hotplug during display off
authorJoseph Gravenor <joseph.gravenor@amd.com>
Wed, 4 Sep 2019 16:43:05 +0000 (12:43 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 11 Oct 2019 00:25:13 +0000 (19:25 -0500)
commit9ae1b27f31d0e8fb09720b35bb873fe8b8d4630e
treef7c9cc0643f78a5992115d86d47a19f345641a78tree | snapshot
parent8b8eda01441050e60c73172e144bab3c7cdef5e9commit | diff
drm/amd/display: fix hotplug during display off

[why]
HPD is not suppressed when we lower
clocks on renoir. B/c of this we do link
training when the 48mhz refclk is off, which
will cause ASIC hang.

[how]
Exit optimized power state for detection purpose.

Signed-off-by: Joseph Gravenor <joseph.gravenor@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c diff | blob | history
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.h diff | blob | history
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c diff | blob | history
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.h diff | blob | history
drivers/gpu/drm/amd/display/dc/core/dc_link.c diff | blob | history
drivers/gpu/drm/amd/display/dc/dc.h diff | blob | history
drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h diff | blob | history
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