* [PATCH v2] drm/bridge: anx7625: Fix power on delay
@ 2021-04-28 11:51 ` Hsin-Yi Wang
0 siblings, 0 replies; 3+ messages in thread
From: Hsin-Yi Wang @ 2021-04-28 11:51 UTC (permalink / raw)
To: Robert Foss
Cc: Neil Armstrong, Laurent Pinchart, David Airlie, Daniel Vetter,
Xin Ji, Sam Ravnborg, dri-devel, linux-kernel, Jernej Skrabec,
Andrzej Hajda, Jonas Karlman
From anx7625 spec, the delay between powering on power supplies and gpio
should be larger than 10ms.
Fixes: 6c744983004e ("drm/bridge: anx7625: disable regulators when power off")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
---
v1->v2: Extend sleep range a bit as the regulator on some device takes
more time to be powered on after regulator_enable() is called.
---
drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 23283ba0c4f9..b4e349ca38fe 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -893,7 +893,7 @@ static void anx7625_power_on(struct anx7625_data *ctx)
usleep_range(2000, 2100);
}
- usleep_range(4000, 4100);
+ usleep_range(11000, 12000);
/* Power on pin enable */
gpiod_set_value(ctx->pdata.gpio_p_on, 1);
--
2.31.1.498.g6c1eba8ee3d-goog
^ permalink raw reply related [flat|nested] 3+ messages in thread* [PATCH v2] drm/bridge: anx7625: Fix power on delay
@ 2021-04-28 11:51 ` Hsin-Yi Wang
0 siblings, 0 replies; 3+ messages in thread
From: Hsin-Yi Wang @ 2021-04-28 11:51 UTC (permalink / raw)
To: Robert Foss
Cc: Jernej Skrabec, Neil Armstrong, David Airlie, Jonas Karlman,
linux-kernel, dri-devel, Andrzej Hajda, Laurent Pinchart,
Sam Ravnborg, Xin Ji
From anx7625 spec, the delay between powering on power supplies and gpio
should be larger than 10ms.
Fixes: 6c744983004e ("drm/bridge: anx7625: disable regulators when power off")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
---
v1->v2: Extend sleep range a bit as the regulator on some device takes
more time to be powered on after regulator_enable() is called.
---
drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 23283ba0c4f9..b4e349ca38fe 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -893,7 +893,7 @@ static void anx7625_power_on(struct anx7625_data *ctx)
usleep_range(2000, 2100);
}
- usleep_range(4000, 4100);
+ usleep_range(11000, 12000);
/* Power on pin enable */
gpiod_set_value(ctx->pdata.gpio_p_on, 1);
--
2.31.1.498.g6c1eba8ee3d-goog
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^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH v2] drm/bridge: anx7625: Fix power on delay
2021-04-28 11:51 ` Hsin-Yi Wang
(?)
@ 2021-04-28 15:46 ` Robert Foss
-1 siblings, 0 replies; 3+ messages in thread
From: Robert Foss @ 2021-04-28 15:46 UTC (permalink / raw)
To: Hsin-Yi Wang
Cc: Jernej Skrabec, Neil Armstrong, David Airlie, Jonas Karlman,
linux-kernel, dri-devel, Andrzej Hajda, Laurent Pinchart,
Sam Ravnborg, Xin Ji
[-- Attachment #1.1: Type: text/plain, Size: 1312 bytes --]
Merged.
https://cgit.freedesktop.org/drm/drm-misc/commit/?id=1fcf24fb07e254ca69001ab14adc8cf567127c44
On Wed, 28 Apr 2021 at 13:51, Hsin-Yi Wang <hsinyi@chromium.org> wrote:
> From anx7625 spec, the delay between powering on power supplies and gpio
> should be larger than 10ms.
>
> Fixes: 6c744983004e ("drm/bridge: anx7625: disable regulators when power
> off")
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
> ---
> v1->v2: Extend sleep range a bit as the regulator on some device takes
> more time to be powered on after regulator_enable() is called.
> ---
> drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c
> b/drivers/gpu/drm/bridge/analogix/anx7625.c
> index 23283ba0c4f9..b4e349ca38fe 100644
> --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> @@ -893,7 +893,7 @@ static void anx7625_power_on(struct anx7625_data *ctx)
> usleep_range(2000, 2100);
> }
>
> - usleep_range(4000, 4100);
> + usleep_range(11000, 12000);
>
> /* Power on pin enable */
> gpiod_set_value(ctx->pdata.gpio_p_on, 1);
> --
> 2.31.1.498.g6c1eba8ee3d-goog
>
>
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https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-04-28 11:51 [PATCH v2] drm/bridge: anx7625: Fix power on delay Hsin-Yi Wang
2021-04-28 11:51 ` Hsin-Yi Wang
2021-04-28 15:46 ` Robert Foss
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