diff options
| author | Nicholas Susanto <nicholas.susanto@amd.com> | 2024-06-07 14:39:01 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-27 17:10:35 -0400 |
| commit | 6e3eb2766731c6bd2bfae5a0fbb538ec85e7e822 (patch) | |
| tree | 467df8a3b0a7fc1c981e1d56dbcd223af09010ec | |
| parent | 748bd8ebae91fc0aee76d13026427d0de02e9e1e (diff) | |
drm/amd/display: Temporarily disable HPO PG on DCN35
[WHY]
On hotpluggin a 4k144 HDMI FRL setup, display fails FRL link training
and falls back to TMDS which is caused by driver not ungating HPO before
doing FRL link training.
[HOW]
Enable debug flag to disable HPO power gate in DCN35
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Nicholas Susanto <nicholas.susanto@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c index 0094ef223c5d..67ab8c1962ff 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c @@ -721,7 +721,7 @@ static const struct dc_debug_options debug_defaults_drv = { .disable_dpp_power_gate = true, .disable_hubp_power_gate = true, .disable_optc_power_gate = true, /*should the same as above two*/ - .disable_hpo_power_gate = false, /*dmubfw force domain25 on*/ + .disable_hpo_power_gate = true, /*dmubfw force domain25 on*/ .disable_clock_gate = false, .disable_dsc_power_gate = true, .vsr_support = true, |