diff mbox series

drm/bridge: dw-hdmi-cec: Add arbitration lost event

Message ID 20230909144432.34972-1-jernej.skrabec@gmail.com (mailing list archive)
State New, archived
Headers show
Series drm/bridge: dw-hdmi-cec: Add arbitration lost event | expand

Commit Message

Jernej Škrabec Sept. 9, 2023, 2:44 p.m. UTC 
Add handling of arbitration lost event.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Robert Foss Sept. 18, 2023, 10:02 a.m. UTC | #1 
On Sat, 9 Sep 2023 16:44:32 +0200, Jernej Skrabec wrote:
> Add handling of arbitration lost event.
> 
> 

Applied, thanks!

[1/1] drm/bridge: dw-hdmi-cec: Add arbitration lost event
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=484281d5436c



Rob
diff mbox series

Patch

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
index be21c11de1f2..673661160e54 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
@@ -145,6 +145,10 @@  static irqreturn_t dw_hdmi_cec_hardirq(int irq, void *data)
 		cec->tx_status = CEC_TX_STATUS_NACK;
 		cec->tx_done = true;
 		ret = IRQ_WAKE_THREAD;
+	} else if (stat & CEC_STAT_ARBLOST) {
+		cec->tx_status = CEC_TX_STATUS_ARB_LOST;
+		cec->tx_done = true;
+		ret = IRQ_WAKE_THREAD;
 	}
 
 	if (stat & CEC_STAT_EOM) {
@@ -209,7 +213,7 @@  static int dw_hdmi_cec_enable(struct cec_adapter *adap, bool enable)
 		cec->ops->enable(cec->hdmi);
 
 		irqs = CEC_STAT_ERROR_INIT | CEC_STAT_NACK | CEC_STAT_EOM |
-		       CEC_STAT_DONE;
+		       CEC_STAT_ARBLOST | CEC_STAT_DONE;
 		dw_hdmi_write(cec, irqs, HDMI_CEC_POLARITY);
 		dw_hdmi_write(cec, ~irqs, HDMI_CEC_MASK);
 		dw_hdmi_write(cec, ~irqs, HDMI_IH_MUTE_CEC_STAT0);