* [PATCH] drm/bridge: dw-hdmi-cec: Add arbitration lost event
@ 2023-09-09 14:44 Jernej Skrabec
2023-09-18 10:02 ` Robert Foss
0 siblings, 1 reply; 2+ messages in thread
From: Jernej Skrabec @ 2023-09-09 14:44 UTC (permalink / raw)
To: andrzej.hajda, neil.armstrong, rfoss, hverkuil-cisco
Cc: Laurent.pinchart, jonas, airlied, daniel, dri-devel, linux-media,
linux-kernel, Jernej Skrabec
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(-)
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);
--
2.42.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/bridge: dw-hdmi-cec: Add arbitration lost event
2023-09-09 14:44 [PATCH] drm/bridge: dw-hdmi-cec: Add arbitration lost event Jernej Skrabec
@ 2023-09-18 10:02 ` Robert Foss
0 siblings, 0 replies; 2+ messages in thread
From: Robert Foss @ 2023-09-18 10:02 UTC (permalink / raw)
To: andrzej.hajda, neil.armstrong, hverkuil-cisco, Jernej Skrabec
Cc: jonas, airlied, linux-kernel, dri-devel, Laurent.pinchart,
linux-media, daniel
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
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2023-09-18 10:03 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-09-09 14:44 [PATCH] drm/bridge: dw-hdmi-cec: Add arbitration lost event Jernej Skrabec
2023-09-18 10:02 ` Robert Foss
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®