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- From 02baa554c7768e20668a466b35e479e8454d2d61 Mon Sep 17 00:00:00 2001
- From: popcornmix <popcornmix@gmail.com>
- Date: Wed, 16 Nov 2016 21:17:27 +0000
- Subject: [PATCH] fb: Use correct bus address for dest of dma memcpy
- ---
- drivers/video/fbdev/bcm2708_fb.c | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
- --- a/drivers/video/fbdev/bcm2708_fb.c
- +++ b/drivers/video/fbdev/bcm2708_fb.c
- @@ -438,7 +438,7 @@ static void dma_memcpy(struct bcm2708_fb
-
- cb->info = BCM2708_DMA_BURST(burst_size) | BCM2708_DMA_S_WIDTH |
- BCM2708_DMA_S_INC | BCM2708_DMA_D_WIDTH |
- - BCM2708_DMA_D_INC | BCM2708_DMA_TDMODE;
- + BCM2708_DMA_D_INC;
- cb->dst = dst;
- cb->src = src;
- cb->length = size;
- @@ -521,7 +521,7 @@ static long vc_mem_copy(struct bcm2708_f
- size_t s = min(size, remaining);
- unsigned char *p = (unsigned char *)ioparam.src + offset;
- unsigned char *q = (unsigned char *)ioparam.dst + offset;
- - dma_memcpy(fb, (dma_addr_t)buf, INTALIAS_L1L2_NONALLOCATING((dma_addr_t)p), size);
- + dma_memcpy(fb, bus_addr, INTALIAS_L1L2_NONALLOCATING((dma_addr_t)p), size);
- if (copy_to_user(q, buf, s) != 0) {
- pr_err("[%s]: failed to copy-to-user\n",
- __func__);
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