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https://github.com/Ysurac/openmptcprouter.git
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37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
From 19997735b415a8e8b6c794d80a40fbe9078b8a74 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Thu, 24 Sep 2020 20:13:08 +0100
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Subject: [PATCH] bcm2708_fb: Hack out dma support
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---
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drivers/video/fbdev/bcm2708_fb.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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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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@@ -657,6 +657,8 @@ static long vc_mem_copy(struct bcm2708_f
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long rc = 0;
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size_t offset;
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+return -EFAULT;
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+
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/* restrict this to root user */
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if (!uid_eq(current_euid(), GLOBAL_ROOT_UID)) {
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rc = -EFAULT;
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@@ -1109,6 +1111,7 @@ static int bcm2708_fb_probe(struct platf
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dev_info(&dev->dev, "FB found %d display(s)\n", num_displays);
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+#if 0
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/* Set up the DMA information. Note we have just one set of DMA
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* parameters to work with all the FB's so requires synchronising when
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* being used
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@@ -1141,7 +1144,7 @@ static int bcm2708_fb_probe(struct platf
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"Failed to request DMA irq\n");
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goto free_dma_chan;
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}
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-
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+#endif
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rpi_firmware_property(fbdev->fw,
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RPI_FIRMWARE_GET_VC_MEMORY,
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&gpu_mem, sizeof(gpu_mem));
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