drm/amd/display: USB-C to HDMI dongle not light

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RV1 support only USB-C active DP-2-HDMI dongle. HPD short pulse is
generated only for DP signal.

When processing HPD short pulse, it must be DP active dongle. No need
for I2C-Over-AUX detection.

v2: Add description

Signed-off-by: Hersen Wu <hersenxs.wu@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>

...

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Hersen Wu 2017-09-11 16:42:14 -04:00 • committed by Alex Deucher

parent 4451a2551d

commit 8f38b66c82

3 changed files with 33 additions and 16 deletions

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9

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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32

drivers/gpu/drm/amd/display/dc/core/dc_link.c

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8

drivers/gpu/drm/amd/display/dc/dc.h

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