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