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Merge pull request #5818 from jernejsk/cec-fixv2

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Allwinner: linux: Fix CEC after power up v2
This commit is contained in:
Christian Hewitt 2021-10-27 18:07:10 +01:00 committed by GitHub
commit 115655935e
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1 changed files with 4 additions and 3 deletions
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7
projects/Allwinner/patches/linux/0060-WIP-drm-bridge-synopsys-Fix-CEC-not-working-after-power.patch
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@ -14,7 +14,7 @@ depending on sink's implementation.
Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 84cc52858ffb..3c20ef3bd3c1 100644
@ -40,13 +40,14 @@ index 84cc52858ffb..3c20ef3bd3c1 100644
if (intr_stat & HDMI_IH_PHY_STAT0_HPD) {
enum drm_connector_status status = phy_int_pol & HDMI_PHY_HPD
? connector_status_connected
@@ -3061,6 +3054,13 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id)
@@ -3061,6 +3054,14 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id)
drm_helper_hpd_irq_event(hdmi->bridge.dev);
drm_bridge_hpd_notify(&hdmi->bridge, status);
}
+
+ if (status == connector_status_disconnected &&
+ (phy_stat & HDMI_PHY_RX_SENSE)) {
+ (phy_stat & HDMI_PHY_RX_SENSE) &&
+ (phy_int_pol & HDMI_PHY_RX_SENSE)) {
+ mutex_lock(&hdmi->cec_notifier_mutex);
+ cec_notifier_phys_addr_invalidate(hdmi->cec_notifier);
+ mutex_unlock(&hdmi->cec_notifier_mutex);