drm/amd/display: w/a to program DISPCLK_R_GATE_DISABLE DCN35

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[WHY & HOW]
Cursor corruption observed on USBC display with specific system setup with a
reboot. Cursor memory might still in the lightsleep state due to voltage
issue, we need program DISPCLK_R_GATE_DISABLE to avoid this issue only on
DCN35.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Yihan Zhu <Yihan.Zhu@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Yihan Zhu 2024-10-07 14:32:59 -04:00 • committed by Alex Deucher

parent 9b47278cec

commit 9bdcf2a5c6

3 changed files with 20 additions and 4 deletions

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1

drivers/gpu/drm/amd/display/dc/dpp/dcn20/dcn20_dpp.h

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1

drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.h

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22

drivers/gpu/drm/amd/display/dc/dpp/dcn35/dcn35_dpp.c

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