From ff8708c1e76bf170d26ee10fd249dcfb4d3b9942 Mon Sep 17 00:00:00 2001
From: Camille Cho <Camille.Cho@amd.com>
Date: Fri, 29 May 2020 15:30:32 +0800
Subject: drm/amd/display: Correctly respond in psr enablement interface
Git-commit: 4074bc3fca9ff4f1b78b8dc71f1f19bc27d1536e
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
[Why]
dc_link_set_psr_allow_active() always returns true, even in the case
that PSR is not supported.
[How]
Hook up the return value of dc_link_set_psr_allow_active().
Signed-off-by: Camille Cho <Camille.Cho@amd.com>
Reviewed-by: Josip Pavic <Josip.Pavic@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 6 ++++--
1 file changed, 4 insertions(+), 2 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 114ee29132fa..f020b3b67f0d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -2557,12 +2557,14 @@ bool dc_link_set_psr_allow_active(struct dc_link *link, bool allow_active, bool
struct dmcu *dmcu = dc->res_pool->dmcu;
struct dmub_psr *psr = dc->res_pool->psr;
+ link->psr_settings.psr_allow_active = allow_active;
+
if (psr != NULL && link->psr_settings.psr_feature_enabled)
psr->funcs->psr_enable(psr, allow_active);
else if ((dmcu != NULL && dmcu->funcs->is_dmcu_initialized(dmcu)) && link->psr_settings.psr_feature_enabled)
dmcu->funcs->set_psr_enable(dmcu, allow_active, wait);
-
- link->psr_settings.psr_allow_active = allow_active;
+ else
+ return false;
return true;
}
--
2.29.2