media: phytium-jpeg: Reduce switch resolution latency

The previous delay is so long that it interferes with
the proper operation of the switch resolution. This
incorrect operation would occasionally cause the BMC
to hang.

Mainline: Open-Source
Signed-off-by: Wang Min <wangmin@phytium.com.cn>
Signed-off-by: Wang Yinfeng <wangyinfeng@phytium.com.cn>
Signed-off-by: Wang Chenlu <wangchenlu2236@phytium.com.cn>

Author: wangchenlu2236

drivers/media/platform/phytium/phytium_jpeg_core.c

@@ -186,9 +186,6 @@ static void phytium_jpeg_off(struct phytium_jpeg_dev *jpeg_dev)
 	}
 
 	clear_bit(VIDEO_CLOCKS_ON, &jpeg_dev->status);
-	/* wait 50 ms */
-	mdelay(50);
-	/* C08 bit7 1:busy */
 }
 
 static inline void phytium_jpeg_enable_source_detecting(struct phytium_jpeg_dev *jpeg_dev)

drivers/media/platform/phytium/phytium_jpeg_core.h

@@ -46,7 +46,7 @@
 #define MAX_PIXEL_CLOCK         (1920 * 1080 * 60)   /* 1920 x 1080 x 60Hz */
 
 #define SOURCE_RESOLUTION_DETECT_TIMEOUT    msecs_to_jiffies(500)
-#define RESOLUTION_CHANGE_DELAY             msecs_to_jiffies(250)
+#define RESOLUTION_CHANGE_DELAY             msecs_to_jiffies(150)
 #define INVALID_RESOLUTION_DELAY            msecs_to_jiffies(250)
 #define STOP_TIMEOUT                        msecs_to_jiffies(1000)