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fbdev/ep93xx-fb: Alloc DMA memory from hardware device

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Pass the hardware device to the DMA helpers dma_alloc_wc(), dma_mmap_wc()
and dma_free_coherent(). The fbdev device that is currently being used is
a software device and does not provide DMA memory.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-13-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2023-06-13 13:06:47 +02:00
parent 2b41f8329c
commit 9aee7f0464
1 changed files with 4 additions and 4 deletions
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8
drivers/video/fbdev/ep93xx-fb.c
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@ -312,7 +312,7 @@ static int ep93xxfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
unsigned int offset = vma->vm_pgoff << PAGE_SHIFT;
if (offset < info->fix.smem_len) {
return dma_mmap_wc(info->dev, vma, info->screen_base,
return dma_mmap_wc(info->device, vma, info->screen_base,
info->fix.smem_start, info->fix.smem_len);
}
@ -423,7 +423,7 @@ static int ep93xxfb_alloc_videomem(struct fb_info *info)
/* Maximum 16bpp -> used memory is maximum x*y*2 bytes */
fb_size = EP93XXFB_MAX_XRES * EP93XXFB_MAX_YRES * 2;
virt_addr = dma_alloc_wc(info->dev, fb_size, &phys_addr, GFP_KERNEL);
virt_addr = dma_alloc_wc(info->device, fb_size, &phys_addr, GFP_KERNEL);
if (!virt_addr)
return -ENOMEM;
@ -440,7 +440,7 @@ static int ep93xxfb_alloc_videomem(struct fb_info *info)
"has bit 27 set: cannot init framebuffer\n",
phys_addr);
dma_free_coherent(info->dev, fb_size, virt_addr, phys_addr);
dma_free_coherent(info->device, fb_size, virt_addr, phys_addr);
return -ENOMEM;
}
@ -454,7 +454,7 @@ static int ep93xxfb_alloc_videomem(struct fb_info *info)
static void ep93xxfb_dealloc_videomem(struct fb_info *info)
{
if (info->screen_base)
dma_free_coherent(info->dev, info->fix.smem_len,
dma_free_coherent(info->device, info->fix.smem_len,
info->screen_base, info->fix.smem_start);
}