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tvin: vdin: fix system crash when dolby vision enable [1/1]

Browse Source 
PD#SWPL-3353

Problem:
system crash when dolby vision enable

Solution:
32bit kernel,phy addr to virt interface is changed

Verify:
Verified on txlx R311

Change-Id: Ie012bdaf7f9dc24acf7a7e03f0db056ff31e578c
Signed-off-by: Xuhua Zhang <xuhua.zhang@amlogic.com>
This commit is contained in:
Xuhua Zhang
2019-01-16 19:44:40 +08:00
committed by Jianxin Pan
parent 2f1ba00e96
commit a510d76b37
1 changed files with 47 additions and 10 deletions
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57
drivers/amlogic/media/vin/tvin/vdin/vdin_ctl.c
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@@ -22,6 +22,7 @@
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/amlogic/media/codec_mm/codec_mm.h>
#include <linux/dma-mapping.h>
#include <linux/dma-contiguous.h>
#include <linux/amlogic/media/video_sink/video.h>
@@ -3505,6 +3506,7 @@ void vdin_force_gofiled(struct vdin_dev_s *devp)
void vdin_dolby_addr_alloc(struct vdin_dev_s *devp, unsigned int size)
{
unsigned int index, alloc_size;
int highmem_flag;
alloc_size = dolby_size_byte*size;
devp->dv.dv_dma_vaddr = dma_alloc_coherent(&devp->this_pdev->dev,
@@ -3514,21 +3516,45 @@ void vdin_dolby_addr_alloc(struct vdin_dev_s *devp, unsigned int size)
return;
}
memset(devp->dv.dv_dma_vaddr, 0, alloc_size);
if (devp->cma_config_flag & 0x100)
highmem_flag = PageHighMem(phys_to_page(devp->vfmem_start[0]));
else
highmem_flag = PageHighMem(phys_to_page(devp->mem_start));
for (index = 0; index < size; index++) {
devp->vfp->dv_buf_mem[index] = devp->dv.dv_dma_paddr +
dolby_size_byte * index;
devp->vfp->dv_buf_vmem[index] = devp->dv.dv_dma_vaddr +
dolby_size_byte * index;
if ((devp->cma_config_flag & 0x100) && devp->cma_config_en)
devp->vfp->dv_buf_ori[index] =
phys_to_virt(devp->vfmem_start[index] +
devp->vfmem_size -
dolby_size_byte);
else
devp->vfp->dv_buf_ori[index] =
phys_to_virt(devp->mem_start + devp->mem_size -
dolby_size_byte *
(devp->canvas_max_num - index));
if (highmem_flag == 0) {
if ((devp->cma_config_flag & 0x100)
&& devp->cma_config_en)
devp->vfp->dv_buf_ori[index] =
phys_to_virt(devp->vfmem_start[index] +
devp->vfmem_size -
dolby_size_byte);
else
devp->vfp->dv_buf_ori[index] =
phys_to_virt(devp->mem_start +
devp->mem_size -
dolby_size_byte *
(devp->canvas_max_num - index));
} else {
if ((devp->cma_config_flag & 0x100)
&& devp->cma_config_en)
devp->vfp->dv_buf_ori[index] =
codec_mm_vmap(devp->vfmem_start[index] +
devp->vfmem_size-dolby_size_byte,
dolby_size_byte);
else
devp->vfp->dv_buf_ori[index] =
codec_mm_vmap(devp->mem_start +
devp->mem_size -
dolby_size_byte *
(devp->canvas_max_num - index),
dolby_size_byte);
}
pr_info("%s:dv_buf[%d]=0x%p(0x%x,0x%p)\n", __func__, index,
devp->vfp->dv_buf_ori[index],
devp->vfp->dv_buf_mem[index],
@@ -3540,6 +3566,17 @@ void vdin_dolby_addr_alloc(struct vdin_dev_s *devp, unsigned int size)
void vdin_dolby_addr_release(struct vdin_dev_s *devp, unsigned int size)
{
unsigned int alloc_size;
int highmem_flag, index;
if (devp->cma_config_flag & 0x100)
highmem_flag = PageHighMem(phys_to_page(devp->vfmem_start[0]));
else
highmem_flag = PageHighMem(phys_to_page(devp->mem_start));
for (index = 0; index < size; index++) {
if (highmem_flag == 1)
codec_mm_unmap_phyaddr(devp->vfp->dv_buf_ori[index]);
}
alloc_size = dolby_size_byte*size;
if (devp->dv.dv_dma_vaddr)