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

[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>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index ea1cb90f8b92081fc3a0068ef4331c5dec106ffd..54ed3de869d3b001d98d8f8c0ab972fe7d819065 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -892,6 +892,8 @@ 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,