Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 6.2 53/60] drm/amd/display: Disable HUBP/DPP PG on DCN314 for now | Date | Sun, 26 Feb 2023 21:00:38 -0500 |
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From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
[ Upstream commit b7c67f72408b11b922f23f06c7df0f6743a2e89d ]
[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> --- 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 bc7f2b735327e..73f519dbdb531 100644 --- 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, -- 2.39.0
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