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drm/amd/display: Reset cached PSR parameters after hibernate

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[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>
This commit is contained in:
Evgenii Krasnikov 2022-04-05 10:59:27 -04:00 • committed by Alex Deucher
parent e955b54732
commit d2069326d2
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/amd/display/dc/core/dc_link.c
View file

@ -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);