drm/amd/display: Handle HPD_IRQ for internal link

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[Why]
TCON data is corrupted after electro static discharge test.
Once the TCON data get corrupted, they will get themselves
reset and send HPD_IRQ to source side.

[How]
Support HPD_IRQ for internal link, and restore the PSR/Replay setup.

Reviewed-by: Robin Chen <robin.chen@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Sung-huai Wang <danny.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Sung-huai Wang 2024-04-10 14:40:32 +08:00 • committed by Alex Deucher

parent d0f2181d65

commit 239b31bd5c

1 changed files with 16 additions and 9 deletions

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drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c

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