mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-01 06:33:07 +00:00
Code Issues Releases Wiki Activity

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

Browse source 
Add handling of arbitration lost event.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230909144432.34972-1-jernej.skrabec@gmail.com
This commit is contained in:
Jernej Skrabec 2023-09-09 16:44:32 +02:00 committed by Robert Foss
parent 37454bcbb6
commit 484281d543
No known key found for this signature in database
GPG key ID: 3EFD900F76D1D784
1 changed files with 5 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
View file

@ -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);