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drm/amd/display: Disable HUBP/DPP PG on DCN314 for now

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[ Upstream commit b7c67f7240 ]

[Why]
The DMCUB implementation required to workaround corruption is
not currently stable and may cause intermittent corruption or hangs.

[How]
Disable PG until the sequence is stable.

Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@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>
This commit is contained in:
Nicholas Kazlauskas
2023-02-02 15:15:51 -05:00
committed by Greg Kroah-Hartman
parent 2435156aa7
commit bea1341736
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
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@@ -888,6 +888,8 @@ static const struct dc_debug_options debug_defaults_drv = {
.force_abm_enable = false,
.timing_trace = false,
.clock_trace = true,
.disable_dpp_power_gate = true,
.disable_hubp_power_gate = true,
.disable_pplib_clock_request = false,
.pipe_split_policy = MPC_SPLIT_DYNAMIC,
.force_single_disp_pipe_split = false,