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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2024-03-17 17:48:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-07-05 09:33:50 +0200 |
| commit | 1618f7a875ffd916596392fd29880c0429b8af60 (patch) | |
| tree | cd1cc1f3095176e1788525c786cb5b68de9984c6 /drivers/gpu/drm/panel | |
| parent | 08f6c05feb1db21653e98ca84ea04ca032d014c7 (diff) | |
| download | linux-1618f7a875ffd916596392fd29880c0429b8af60.tar.gz linux-1618f7a875ffd916596392fd29880c0429b8af60.tar.bz2 linux-1618f7a875ffd916596392fd29880c0429b8af60.zip | |
drm/panel: ilitek-ili9881c: Fix warning with GPIO controllers that sleep
[ Upstream commit ee7860cd8b5763017f8dc785c2851fecb7a0c565 ]
The ilitek-ili9881c controls the reset GPIO using the non-sleeping
gpiod_set_value() function. This complains loudly when the GPIO
controller needs to sleep. As the caller can sleep, use
gpiod_set_value_cansleep() to fix the issue.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240317154839.21260-1-laurent.pinchart@ideasonboard.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240317154839.21260-1-laurent.pinchart@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/panel')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index 7838947a1bf3..bb201f848ae9 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -883,10 +883,10 @@ static int ili9881c_prepare(struct drm_panel *panel) msleep(5); /* And reset it */ - gpiod_set_value(ctx->reset, 1); + gpiod_set_value_cansleep(ctx->reset, 1); msleep(20); - gpiod_set_value(ctx->reset, 0); + gpiod_set_value_cansleep(ctx->reset, 0); msleep(20); for (i = 0; i < ctx->desc->init_length; i++) { @@ -941,7 +941,7 @@ static int ili9881c_unprepare(struct drm_panel *panel) mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); regulator_disable(ctx->power); - gpiod_set_value(ctx->reset, 1); + gpiod_set_value_cansleep(ctx->reset, 1); return 0; } |