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drm/bridge: ti-sn65dsi83: Allow GPIO operations to sleep

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There is no need to require non-sleeping GPIO access. Silence the
WARN_ON() if GPIO is using e.g. I2C expanders.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220614095835.1398708-2-alexander.stein@ew.tq-group.com
Reviewed-by: Robert Foss <robert.foss@linaro.org>
This commit is contained in:
Alexander Stein 2022-06-14 11:58:35 +02:00 committed by Robert Foss
parent 03e22ba090
commit 8052450712
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GPG Key ID: 3EFD900F76D1D784
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/bridge/ti-sn65dsi83.c
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@ -344,7 +344,7 @@ static void sn65dsi83_atomic_enable(struct drm_bridge *bridge,
}
/* Deassert reset */
gpiod_set_value(ctx->enable_gpio, 1);
gpiod_set_value_cansleep(ctx->enable_gpio, 1);
usleep_range(1000, 1100);
/* Get the LVDS format from the bridge state. */
@ -500,7 +500,7 @@ static void sn65dsi83_atomic_disable(struct drm_bridge *bridge,
int ret;
/* Put the chip in reset, pull EN line low, and assure 10ms reset low timing. */
gpiod_set_value(ctx->enable_gpio, 0);
gpiod_set_value_cansleep(ctx->enable_gpio, 0);
usleep_range(10000, 11000);
ret = regulator_disable(ctx->vcc);