* [PATCH] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller
@ 2022-12-28 14:57 ` Wadim Egorov
0 siblings, 0 replies; 6+ messages in thread
From: Wadim Egorov @ 2022-12-28 14:57 UTC (permalink / raw)
To: upstream, linux-kernel, dri-devel
Cc: daniel, airlied, jernej.skrabec, jonas, Laurent.pinchart,
robert.foss, neil.armstrong, andrzej.hajda
Switch to gpiod_set_value_cansleep() in sii902x_reset().
This is relevant if the reset line is tied to a I2C GPIO
controller.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
---
drivers/gpu/drm/bridge/sii902x.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 878fb7d3732b..980611aec2f6 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -240,12 +240,12 @@ static void sii902x_reset(struct sii902x *sii902x)
if (!sii902x->reset_gpio)
return;
- gpiod_set_value(sii902x->reset_gpio, 1);
+ gpiod_set_value_cansleep(sii902x->reset_gpio, 1);
/* The datasheet says treset-min = 100us. Make it 150us to be sure. */
usleep_range(150, 200);
- gpiod_set_value(sii902x->reset_gpio, 0);
+ gpiod_set_value_cansleep(sii902x->reset_gpio, 0);
}
static enum drm_connector_status sii902x_detect(struct sii902x *sii902x)
--
2.34.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller
@ 2022-12-28 14:57 ` Wadim Egorov
0 siblings, 0 replies; 6+ messages in thread
From: Wadim Egorov @ 2022-12-28 14:57 UTC (permalink / raw)
To: upstream, linux-kernel, dri-devel
Cc: neil.armstrong, jernej.skrabec, andrzej.hajda, jonas,
robert.foss, Laurent.pinchart
Switch to gpiod_set_value_cansleep() in sii902x_reset().
This is relevant if the reset line is tied to a I2C GPIO
controller.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
---
drivers/gpu/drm/bridge/sii902x.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 878fb7d3732b..980611aec2f6 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -240,12 +240,12 @@ static void sii902x_reset(struct sii902x *sii902x)
if (!sii902x->reset_gpio)
return;
- gpiod_set_value(sii902x->reset_gpio, 1);
+ gpiod_set_value_cansleep(sii902x->reset_gpio, 1);
/* The datasheet says treset-min = 100us. Make it 150us to be sure. */
usleep_range(150, 200);
- gpiod_set_value(sii902x->reset_gpio, 0);
+ gpiod_set_value_cansleep(sii902x->reset_gpio, 0);
}
static enum drm_connector_status sii902x_detect(struct sii902x *sii902x)
--
2.34.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller
2022-12-28 14:57 ` Wadim Egorov
@ 2022-12-30 15:39 ` Andrzej Hajda
-1 siblings, 0 replies; 6+ messages in thread
From: Andrzej Hajda @ 2022-12-30 15:39 UTC (permalink / raw)
To: Wadim Egorov, upstream, linux-kernel, dri-devel
Cc: neil.armstrong, jernej.skrabec, jonas, robert.foss, Laurent.pinchart
On 28.12.2022 15:57, Wadim Egorov wrote:
> Switch to gpiod_set_value_cansleep() in sii902x_reset().
> This is relevant if the reset line is tied to a I2C GPIO
> controller.
>
> Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Regards
Andrzej
> ---
> drivers/gpu/drm/bridge/sii902x.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
> index 878fb7d3732b..980611aec2f6 100644
> --- a/drivers/gpu/drm/bridge/sii902x.c
> +++ b/drivers/gpu/drm/bridge/sii902x.c
> @@ -240,12 +240,12 @@ static void sii902x_reset(struct sii902x *sii902x)
> if (!sii902x->reset_gpio)
> return;
>
> - gpiod_set_value(sii902x->reset_gpio, 1);
> + gpiod_set_value_cansleep(sii902x->reset_gpio, 1);
>
> /* The datasheet says treset-min = 100us. Make it 150us to be sure. */
> usleep_range(150, 200);
>
> - gpiod_set_value(sii902x->reset_gpio, 0);
> + gpiod_set_value_cansleep(sii902x->reset_gpio, 0);
> }
>
> static enum drm_connector_status sii902x_detect(struct sii902x *sii902x)
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller
@ 2022-12-30 15:39 ` Andrzej Hajda
0 siblings, 0 replies; 6+ messages in thread
From: Andrzej Hajda @ 2022-12-30 15:39 UTC (permalink / raw)
To: Wadim Egorov, upstream, linux-kernel, dri-devel
Cc: daniel, airlied, jernej.skrabec, jonas, Laurent.pinchart,
robert.foss, neil.armstrong
On 28.12.2022 15:57, Wadim Egorov wrote:
> Switch to gpiod_set_value_cansleep() in sii902x_reset().
> This is relevant if the reset line is tied to a I2C GPIO
> controller.
>
> Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Regards
Andrzej
> ---
> drivers/gpu/drm/bridge/sii902x.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
> index 878fb7d3732b..980611aec2f6 100644
> --- a/drivers/gpu/drm/bridge/sii902x.c
> +++ b/drivers/gpu/drm/bridge/sii902x.c
> @@ -240,12 +240,12 @@ static void sii902x_reset(struct sii902x *sii902x)
> if (!sii902x->reset_gpio)
> return;
>
> - gpiod_set_value(sii902x->reset_gpio, 1);
> + gpiod_set_value_cansleep(sii902x->reset_gpio, 1);
>
> /* The datasheet says treset-min = 100us. Make it 150us to be sure. */
> usleep_range(150, 200);
>
> - gpiod_set_value(sii902x->reset_gpio, 0);
> + gpiod_set_value_cansleep(sii902x->reset_gpio, 0);
> }
>
> static enum drm_connector_status sii902x_detect(struct sii902x *sii902x)
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller
2022-12-28 14:57 ` Wadim Egorov
@ 2023-01-19 7:41 ` Neil Armstrong
-1 siblings, 0 replies; 6+ messages in thread
From: Neil Armstrong @ 2023-01-19 7:41 UTC (permalink / raw)
To: upstream, linux-kernel, dri-devel, Wadim Egorov
Cc: daniel, airlied, jernej.skrabec, jonas, Laurent.pinchart,
robert.foss, andrzej.hajda
Hi,
On Wed, 28 Dec 2022 15:57:04 +0100, Wadim Egorov wrote:
> Switch to gpiod_set_value_cansleep() in sii902x_reset().
> This is relevant if the reset line is tied to a I2C GPIO
> controller.
>
>
Thanks, Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next)
[1/1] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller
https://cgit.freedesktop.org/drm/drm-misc/commit/?id=5688ca34698c734d5591add39e72380123132656
--
Neil
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [PATCH] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller
@ 2023-01-19 7:41 ` Neil Armstrong
0 siblings, 0 replies; 6+ messages in thread
From: Neil Armstrong @ 2023-01-19 7:41 UTC (permalink / raw)
To: upstream, linux-kernel, dri-devel, Wadim Egorov
Cc: jernej.skrabec, andrzej.hajda, jonas, robert.foss, Laurent.pinchart
Hi,
On Wed, 28 Dec 2022 15:57:04 +0100, Wadim Egorov wrote:
> Switch to gpiod_set_value_cansleep() in sii902x_reset().
> This is relevant if the reset line is tied to a I2C GPIO
> controller.
>
>
Thanks, Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next)
[1/1] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller
https://cgit.freedesktop.org/drm/drm-misc/commit/?id=5688ca34698c734d5591add39e72380123132656
--
Neil
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2023-01-19 7:41 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-12-28 14:57 [PATCH] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller Wadim Egorov
2022-12-28 14:57 ` Wadim Egorov
2022-12-30 15:39 ` Andrzej Hajda
2022-12-30 15:39 ` Andrzej Hajda
2023-01-19 7:41 ` Neil Armstrong
2023-01-19 7:41 ` Neil Armstrong
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