diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0544-fb-Use-correct-bus-address-for-dest-of-dma-memcpy.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0544-fb-Use-correct-bus-address-for-dest-of-dma-memcpy.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0544-fb-Use-correct-bus-address-for-dest-of-dma-memcpy.patch b/target/linux/brcm2708/patches-4.4/0544-fb-Use-correct-bus-address-for-dest-of-dma-memcpy.patch new file mode 100644 index 0000000000..90bce7ec78 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0544-fb-Use-correct-bus-address-for-dest-of-dma-memcpy.patch @@ -0,0 +1,29 @@ +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__); |