linux-kernel - [PATCH v14 14/14] drm/msm/dp: set self refresh aware based on PSR support

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Message-ID: <1677774797-31063-15-git-send-email-quic_vpolimer@quicinc.com>
Date:   Thu, 2 Mar 2023 22:03:17 +0530
From:   Vinod Polimera <quic_vpolimer@...cinc.com>
To:     <dri-devel@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>,
        <freedreno@...ts.freedesktop.org>, <devicetree@...r.kernel.org>
CC:     Vinod Polimera <quic_vpolimer@...cinc.com>,
        <linux-kernel@...r.kernel.org>, <robdclark@...il.com>,
        <dianders@...omium.org>, <swboyd@...omium.org>,
        <quic_kalyant@...cinc.com>, <dmitry.baryshkov@...aro.org>,
        <quic_khsieh@...cinc.com>, <quic_vproddut@...cinc.com>,
        <quic_bjorande@...cinc.com>, <quic_abhinavk@...cinc.com>,
        <quic_sbillaka@...cinc.com>
Subject: [PATCH v14 14/14] drm/msm/dp: set self refresh aware based on PSR support

For the PSR to kick in, self_refresh_aware has to be set.
Initialize it based on the PSR support for the eDP interface.

Signed-off-by: Vinod Polimera <quic_vpolimer@...cinc.com>
---
 drivers/gpu/drm/msm/dp/dp_drm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index 029e08c..785d766 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -117,6 +117,8 @@ static int edp_bridge_atomic_check(struct drm_bridge *drm_bridge,
 	if (WARN_ON(!conn_state))
 		return -ENODEV;
 
+	conn_state->self_refresh_aware = dp->psr_supported;
+
 	if (!conn_state->crtc || !crtc_state)
 		return 0;
 
-- 
2.7.4