* [PATCH] drm/i2c/tda9950.c: set MAX_RETRIES for errors only
@ 2018-08-27 12:28 Hans Verkuil
2018-09-13 9:26 ` Gustavo Padovan
2018-09-20 16:09 ` Russell King - ARM Linux
0 siblings, 2 replies; 3+ messages in thread
From: Hans Verkuil @ 2018-08-27 12:28 UTC (permalink / raw)
To: Linux Media Mailing List, dri-devel; +Cc: Russell King - ARM Linux
The CEC_TX_STATUS_MAX_RETRIES should be set for errors only to
prevent the CEC framework from retrying the transmit. If the
transmit was successful, then don't set this flag.
Found by running 'cec-compliance -A' on a beaglebone box.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
drivers/gpu/drm/i2c/tda9950.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c
index 5d2f0d548469..4a14fc3b5011 100644
--- a/drivers/gpu/drm/i2c/tda9950.c
+++ b/drivers/gpu/drm/i2c/tda9950.c
@@ -191,7 +191,8 @@ static irqreturn_t tda9950_irq(int irq, void *data)
break;
}
/* TDA9950 executes all retries for us */
- tx_status |= CEC_TX_STATUS_MAX_RETRIES;
+ if (tx_status != CEC_TX_STATUS_OK)
+ tx_status |= CEC_TX_STATUS_MAX_RETRIES;
cec_transmit_done(priv->adap, tx_status, arb_lost_cnt,
nack_cnt, 0, err_cnt);
break;
--
2.18.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] drm/i2c/tda9950.c: set MAX_RETRIES for errors only
2018-08-27 12:28 [PATCH] drm/i2c/tda9950.c: set MAX_RETRIES for errors only Hans Verkuil
@ 2018-09-13 9:26 ` Gustavo Padovan
2018-09-20 16:09 ` Russell King - ARM Linux
1 sibling, 0 replies; 3+ messages in thread
From: Gustavo Padovan @ 2018-09-13 9:26 UTC (permalink / raw)
To: Hans Verkuil
Cc: Linux Media Mailing List, dri-devel, Russell King - ARM Linux
Hi Hans,
Thanks for the patch.
On Mon, Aug 27, 2018 at 02:28:50PM +0200, Hans Verkuil wrote:
> The CEC_TX_STATUS_MAX_RETRIES should be set for errors only to
> prevent the CEC framework from retrying the transmit. If the
> transmit was successful, then don't set this flag.
>
> Found by running 'cec-compliance -A' on a beaglebone box.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> ---
> drivers/gpu/drm/i2c/tda9950.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c
> index 5d2f0d548469..4a14fc3b5011 100644
> --- a/drivers/gpu/drm/i2c/tda9950.c
> +++ b/drivers/gpu/drm/i2c/tda9950.c
> @@ -191,7 +191,8 @@ static irqreturn_t tda9950_irq(int irq, void *data)
> break;
> }
> /* TDA9950 executes all retries for us */
> - tx_status |= CEC_TX_STATUS_MAX_RETRIES;
> + if (tx_status != CEC_TX_STATUS_OK)
> + tx_status |= CEC_TX_STATUS_MAX_RETRIES;
> cec_transmit_done(priv->adap, tx_status, arb_lost_cnt,
> nack_cnt, 0, err_cnt);
> break;
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
> --
> 2.18.0
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] drm/i2c/tda9950.c: set MAX_RETRIES for errors only
2018-08-27 12:28 [PATCH] drm/i2c/tda9950.c: set MAX_RETRIES for errors only Hans Verkuil
2018-09-13 9:26 ` Gustavo Padovan
@ 2018-09-20 16:09 ` Russell King - ARM Linux
1 sibling, 0 replies; 3+ messages in thread
From: Russell King - ARM Linux @ 2018-09-20 16:09 UTC (permalink / raw)
To: Hans Verkuil; +Cc: Linux Media Mailing List, dri-devel
Hi Hans,
Patch merged, thanks.
On Mon, Aug 27, 2018 at 02:28:50PM +0200, Hans Verkuil wrote:
> The CEC_TX_STATUS_MAX_RETRIES should be set for errors only to
> prevent the CEC framework from retrying the transmit. If the
> transmit was successful, then don't set this flag.
>
> Found by running 'cec-compliance -A' on a beaglebone box.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> ---
> drivers/gpu/drm/i2c/tda9950.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c
> index 5d2f0d548469..4a14fc3b5011 100644
> --- a/drivers/gpu/drm/i2c/tda9950.c
> +++ b/drivers/gpu/drm/i2c/tda9950.c
> @@ -191,7 +191,8 @@ static irqreturn_t tda9950_irq(int irq, void *data)
> break;
> }
> /* TDA9950 executes all retries for us */
> - tx_status |= CEC_TX_STATUS_MAX_RETRIES;
> + if (tx_status != CEC_TX_STATUS_OK)
> + tx_status |= CEC_TX_STATUS_MAX_RETRIES;
> cec_transmit_done(priv->adap, tx_status, arb_lost_cnt,
> nack_cnt, 0, err_cnt);
> break;
> --
> 2.18.0
>
>
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 13.8Mbps down 630kbps up
According to speedtest.net: 13Mbps down 490kbps up
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-09-13 9:26 ` Gustavo Padovan
2018-09-20 16:09 ` Russell King - ARM Linux
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