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drivers: display: stm32_ltdc: disable unnecessary irq #90972

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drivers: display: stm32_ltdc: disable unnecessary irq #90972

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6 changes: 5 additions & 1 deletion drivers/display/display_stm32_ltdc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,7 @@ struct display_stm32_ltdc_config {
const struct pinctrl_dev_config *pctrl;
void (*irq_config_func)(const struct device *dev);
const struct device *display_controller;
const int irqn;
};

static void stm32_ltdc_global_isr(const struct device *dev)
Expand Down Expand Up @@ -223,7 +224,10 @@ static int stm32_ltdc_write(const struct device *dev, const uint16_t x,

data->pend_buf = pend_buf;

__HAL_LTDC_CLEAR_FLAG(&data->hltdc, LTDC_FLAG_LI);
irq_enable(config->irqn);
k_sem_take(&data->sem, K_FOREVER);
irq_disable(config->irqn);

return 0;
}
Expand Down Expand Up @@ -602,7 +606,6 @@ static DEVICE_API(display, stm32_ltdc_display_api) = {
stm32_ltdc_global_isr, \
DEVICE_DT_INST_GET(inst), \
0); \
irq_enable(DT_INST_IRQN(inst)); \
} \
static struct display_stm32_ltdc_data stm32_ltdc_data_##inst = { \
.frame_buffer = STM32_LTDC_FRAME_BUFFER_ADDR(inst), \
Expand Down Expand Up @@ -708,6 +711,7 @@ static DEVICE_API(display, stm32_ltdc_display_api) = {
.irq_config_func = stm32_ltdc_irq_config_func_##inst, \
.display_controller = DEVICE_DT_GET_OR_NULL( \
DT_INST_PHANDLE(inst, display_controller)), \
.irqn = DT_INST_IRQN(inst), \
}; \
DEVICE_DT_INST_DEFINE(inst, \
&stm32_ltdc_init, \
Expand Down