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update code/part13/mytftfb.c.

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Signed-off-by: lishanwen <1477153217@qq.com>
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lishanwen 2024-02-29 05:10:58 +00:00 committed by Gitee
parent 42761587d7
commit 58811bc597
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1 changed files with 1 additions and 4 deletions
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code/part13/mytftfb.c
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@ -267,10 +267,7 @@ static int myfb_probe(struct spi_device *spi)
myfb->screen_size = gmem_size; myfb->screen_size = gmem_size;
myfb->fix.smem_len = gmem_size; myfb->fix.smem_len = gmem_size;
myfb->fix.smem_start = (u32)gmem_addr; myfb->fix.smem_start = virt_to_phys(gmem_addr);
memset((void *)myfb->fix.smem_start, 0, myfb->fix.smem_len); //清楚显示缓存
myfb->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB; myfb->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;