From: Evgenii Krasnikov <Evgenii.Krasnikov@xxxxxxx>
[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@xxxxxxx>
Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx>
Signed-off-by: Evgenii Krasnikov <Evgenii.Krasnikov@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
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);
--
2.25.1
