drm/amd/display: Disable dsc_power_gate for dcn314 by default

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[ Upstream commit 02f3ec5317 ]

[Why]
"REG_WAIT timeout 1us * 1000 tries - dcn314_dsc_pg_control line"
warnings seen after resuming from s2idle.
DCN314 has issues with DSC power gating that cause REG_WAIT timeouts
when attempting to power down DSC blocks.

[How]
Disable dsc_power_gate for dcn314 by default.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Roman Li 2025-07-14 14:37:33 -04:00 • committed by Greg Kroah-Hartman

parent 0a0097e2b9

commit 5ea8e53d2d

1 changed files with 1 additions and 0 deletions

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drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c

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