diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-06-13 14:06:47 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-06-27 10:58:49 +0300 |
| commit | 9aee7f0464eeb032ca811c0d596114cbcd4a95d1 (patch) | |
| tree | 8d989da3ad71eab577192b3c30299ca6b733ecf6 /drivers/video/fbdev/ep93xx-fb.c | |
| parent | 2b41f8329cc0349199a18e536c0c8df0d3bdd81d (diff) | |
| download | linux-9aee7f0464eeb032ca811c0d596114cbcd4a95d1.tar.xz | |
fbdev/ep93xx-fb: Alloc DMA memory from hardware device
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
Diffstat (limited to 'drivers/video/fbdev/ep93xx-fb.c')
| -rw-r--r-- | drivers/video/fbdev/ep93xx-fb.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/fbdev/ep93xx-fb.c b/drivers/video/fbdev/ep93xx-fb.c index 94fe52928be2..376ee59e925c 100644 --- a/drivers/video/fbdev/ep93xx-fb.c +++ b/drivers/video/fbdev/ep93xx-fb.c @@ -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); } |