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fix(drivers): use CPU_MAX lock in dirvers use axi dma to access psram

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Chen Jichang
2025-03-12 16:34:44 +08:00
parent 944329fff4
commit 3d55047a09
8 changed files with 58 additions and 22 deletions
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11
components/esp_lcd/rgb/esp_lcd_panel_rgb.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -793,9 +793,14 @@ static esp_err_t lcd_rgb_panel_select_clock_src(esp_rgb_panel_t *rgb_panel, lcd_
}
// create pm lock based on different clock source
// clock sources like PLL and XTAL will be turned off in light sleep
#if CONFIG_PM_ENABLE
ESP_RETURN_ON_ERROR(esp_pm_lock_create(ESP_PM_NO_LIGHT_SLEEP, 0, "rgb_panel", &rgb_panel->pm_lock), TAG, "create pm lock failed");
// clock sources like PLL and XTAL will be turned off in light sleep, so basically a NO_LIGHT_SLEEP lock is sufficient
esp_pm_lock_type_t lock_type = ESP_PM_NO_LIGHT_SLEEP;
#if CONFIG_IDF_TARGET_ESP32P4
// use CPU_MAX lock to ensure PSRAM bandwidth and usability during DFS
lock_type = ESP_PM_CPU_FREQ_MAX;
#endif
ESP_RETURN_ON_ERROR(esp_pm_lock_create(lock_type, 0, "rgb_panel", &rgb_panel->pm_lock), TAG, "create pm lock failed");
// hold the lock during the whole lifecycle of RGB panel
esp_pm_lock_acquire(rgb_panel->pm_lock);
ESP_LOGD(TAG, "installed pm lock and hold the lock during the whole panel lifecycle");