Merge branch 'fix/rgb_lcd_drift_on_esp32s3' into 'master'

suda-morris · suda-morris · commit 67bbe377026c · 2025-02-12T10:41:10.000+08:00
fix(rgb_lcd): drift issue caused by restart

Closes IDFGH-14216

See merge request espressif/esp-idf!36864
diff --git a/components/esp_lcd/rgb/esp_lcd_panel_rgb.c b/components/esp_lcd/rgb/esp_lcd_panel_rgb.c
@@ -1053,8 +1053,8 @@ static IRAM_ATTR void lcd_rgb_panel_try_restart_transmission(esp_rgb_panel_t *pa
         }
     }
 
-    gdma_reset(panel->dma_chan);
     lcd_ll_fifo_reset(panel->hal.dev);
+    gdma_reset(panel->dma_chan);
 #if RGB_LCD_NEEDS_SEPARATE_RESTART_LINK
     // restart the DMA by a special DMA node
     gdma_start(panel->dma_chan, gdma_link_get_head_addr(panel->dma_restart_link));

Original file line number	Diff line number	Diff line change
`@@ -1053,8 +1053,8 @@ static IRAM_ATTR void lcd_rgb_panel_try_restart_transmission(esp_rgb_panel_t *pa`
`1053`	`1053`	`}`
`1054`	`1054`	`}`
`1055`	`1055`
`1056`		`- gdma_reset(panel->dma_chan);`
`1057`	`1056`	`lcd_ll_fifo_reset(panel->hal.dev);`
	`1057`	`+ gdma_reset(panel->dma_chan);`
`1058`	`1058`	`#if RGB_LCD_NEEDS_SEPARATE_RESTART_LINK`
`1059`	`1059`	`// restart the DMA by a special DMA node`
`1060`	`1060`	`gdma_start(panel->dma_chan, gdma_link_get_head_addr(panel->dma_restart_link));`