From 771e0b07d753895274c577188e84a9849ba202ab Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas Date: Thu, 2 Feb 2023 15:15:51 -0500 Subject: [PATCH] drm/amd/display: Disable HUBP/DPP PG on DCN314 for now [ Upstream commit f42448a32d51f5728d837fa22f8696f38bf7c689 ] [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 Acked-by: Qingqing Zhuo Signed-off-by: Nicholas Kazlauskas Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 2 ++ 1 file changed, 2 insertions(+) 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 5985ce8df4e08..9918bccd6defb 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -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, -- 2.39.5