target/linux/brcm2708/patches-4.4/0544-fb-Use-correct-bus-address-for-dest-of-dma-memcpy.patch

   1 From c72b24faad8c4d0b1edeee61dac80dad502e5ce8 Mon Sep 17 00:00:00 2001
   2 From: popcornmix <popcornmix@gmail.com>
   3 Date: Wed, 16 Nov 2016 21:17:27 +0000
   4 Subject: [PATCH] fb: Use correct bus address for dest of dma memcpy
   5
   6 ---
   7  drivers/video/fbdev/bcm2708_fb.c | 4 ++--
   8  1 file changed, 2 insertions(+), 2 deletions(-)
   9
  10 --- a/drivers/video/fbdev/bcm2708_fb.c
  11 +++ b/drivers/video/fbdev/bcm2708_fb.c
  12 @@ -438,7 +438,7 @@ static void dma_memcpy(struct bcm2708_fb
  13
  14         cb->info = BCM2708_DMA_BURST(burst_size) | BCM2708_DMA_S_WIDTH |
  15                    BCM2708_DMA_S_INC | BCM2708_DMA_D_WIDTH |
  16 -                  BCM2708_DMA_D_INC | BCM2708_DMA_TDMODE;
  17 +                  BCM2708_DMA_D_INC;
  18         cb->dst = dst;
  19         cb->src = src;
  20         cb->length = size;
  21 @@ -521,7 +521,7 @@ static long vc_mem_copy(struct bcm2708_f
  22                 size_t s = min(size, remaining);
  23                 unsigned char *p = (unsigned char *)ioparam.src + offset;
  24                 unsigned char *q = (unsigned char *)ioparam.dst + offset;
  25 -               dma_memcpy(fb, (dma_addr_t)buf, INTALIAS_L1L2_NONALLOCATING((dma_addr_t)p), size);
  26 +               dma_memcpy(fb, bus_addr, INTALIAS_L1L2_NONALLOCATING((dma_addr_t)p), size);
  27                 if (copy_to_user(q, buf, s) != 0) {
  28                         pr_err("[%s]: failed to copy-to-user\n",
  29                                         __func__);