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esp_lcd: check edma buffer alignment properly

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This commit is contained in:
morris
2023-03-31 14:24:29 +08:00
parent 1e7f9c8f72
commit 1fed9badf1
3 changed files with 8 additions and 15 deletions
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8
components/esp_lcd/src/esp_lcd_panel_rgb.c
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@@ -33,9 +33,7 @@
#include "driver/gpio.h"
#include "esp_bit_defs.h"
#include "esp_private/periph_ctrl.h"
#if CONFIG_SPIRAM
#include "esp_psram.h"
#endif
#include "esp_lcd_common.h"
#include "soc/lcd_periph.h"
#include "hal/lcd_hal.h"
@@ -593,7 +591,7 @@ static esp_err_t rgb_panel_draw_bitmap(esp_lcd_panel_t *panel, int x_start, int
int pixels_per_line = rgb_panel->timings.h_res;
uint32_t bytes_per_line = bytes_per_pixel * pixels_per_line;
uint8_t *fb = rgb_panel->fbs[rgb_panel->cur_fb_index];
uint32_t bytes_to_flush = v_res * h_res * bytes_per_pixel;
size_t bytes_to_flush = v_res * h_res * bytes_per_pixel;
uint8_t *flush_ptr = fb;
if (do_copy) {
@@ -796,10 +794,10 @@ static esp_err_t rgb_panel_draw_bitmap(esp_lcd_panel_t *panel, int x_start, int
}
// Note that if we use a bounce buffer, the data gets read by the CPU as well so no need to write back
if (rgb_panel->flags.fb_in_psram && !rgb_panel->bb_size) {
// CPU writes data to PSRAM through DCache, data in PSRAM might not get updated, so write back
// Note that if we use a bounce buffer, the data gets read by the CPU as well so no need to write back
esp_cache_msync((void *)(flush_ptr), (size_t)bytes_to_flush, 0);
ESP_RETURN_ON_ERROR(esp_cache_msync(flush_ptr, bytes_to_flush, 0), TAG, "flush cache buffer failed");
}
if (!rgb_panel->bb_size) {