diff options
| author | Evgenii Krasnikov <Evgenii.Krasnikov@amd.com> | 2022-04-05 10:59:27 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-04-25 17:10:29 -0400 |
| commit | d2069326d26c7de78e77a060fb6e6d0d21c35dbd (patch) | |
| tree | b010abf9cc96cd4cbda66e09427453ffd12ff548 /drivers/gpu/drm/amd/display/dc/core/dc_link.c | |
| parent | e955b5473294367c42e18faac9ab3348f3c8861c (diff) | |
| download | linux-d2069326d26c7de78e77a060fb6e6d0d21c35dbd.tar.bz2 | |
drm/amd/display: Reset cached PSR parameters after hibernate
[WHY]
After hibernate system might be using old invalid psr_power_opt and
psr_allow_active that never get reset
[HOW]
Reset cached Panel Self Refresh parameters when PSR is first configured
for eDP in dc_link_setup_psr.
Reviewed-by: Harry Vanzylldejong <harry.vanzylldejong@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Evgenii Krasnikov <Evgenii.Krasnikov@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 3d13ee32a3db..1eddf2785153 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -3317,9 +3317,14 @@ bool dc_link_setup_psr(struct dc_link *link, */ psr_context->frame_delay = 0; - if (psr) + if (psr) { link->psr_settings.psr_feature_enabled = psr->funcs->psr_copy_settings(psr, link, psr_context, panel_inst); + if (link->psr_settings.psr_feature_enabled) { + link->psr_settings.psr_power_opt = 0; + link->psr_settings.psr_allow_active = 0; + } + } else link->psr_settings.psr_feature_enabled = dmcu->funcs->setup_psr(dmcu, link, psr_context); |