drm/rockchip: Reduce psr flush time to 100ms

3 seconds is a bit too conservative, drop this to 100ms for
better power savings.
Reviewed-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>

drivers/gpu/drm/rockchip/rockchip_drm_psr.c

@@ -18,7 +18,7 @@
 #include "rockchip_drm_drv.h"
 #include "rockchip_drm_psr.h"
 
-#define PSR_FLUSH_TIMEOUT	msecs_to_jiffies(3000) /* 3 seconds */
+#define PSR_FLUSH_TIMEOUT	msecs_to_jiffies(100)
 
 enum psr_state {
 	PSR_FLUSH,