In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dma_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx> --- drivers/video/fbdev/mmp/fb/mmpfb.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/video/fbdev/mmp/fb/mmpfb.c b/drivers/video/fbdev/mmp/fb/mmpfb.c index e5b56f2199df..47bc7c59bbd8 100644 --- a/drivers/video/fbdev/mmp/fb/mmpfb.c +++ b/drivers/video/fbdev/mmp/fb/mmpfb.c @@ -612,7 +612,6 @@ static int mmpfb_probe(struct platform_device *pdev) ret = -ENOMEM; goto failed_destroy_mutex; } - memset(fbi->fb_start, 0, fbi->fb_size); dev_info(fbi->dev, "fb %dk allocated\n", fbi->fb_size/1024); /* fb power on */ -- 2.11.0 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel