diff options
Diffstat (limited to 'drivers/video/fbdev/mxsfb.c')
-rw-r--r-- | drivers/video/fbdev/mxsfb.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/video/fbdev/mxsfb.c b/drivers/video/fbdev/mxsfb.c index 4e6608c..7846f0e 100644 --- a/drivers/video/fbdev/mxsfb.c +++ b/drivers/video/fbdev/mxsfb.c @@ -800,6 +800,7 @@ static int mxsfb_init_fbinfo(struct mxsfb_info *host, struct fb_videomode *vmode) { int ret; + struct device *dev = &host->pdev->dev; struct fb_info *fb_info = &host->fb_info; struct fb_var_screeninfo *var = &fb_info->var; dma_addr_t fb_phys; @@ -825,12 +826,10 @@ static int mxsfb_init_fbinfo(struct mxsfb_info *host, /* Memory allocation for framebuffer */ fb_size = SZ_2M; - fb_virt = alloc_pages_exact(fb_size, GFP_DMA); + fb_virt = dma_alloc_wc(dev, PAGE_ALIGN(fb_size), &fb_phys, GFP_KERNEL); if (!fb_virt) return -ENOMEM; - fb_phys = virt_to_phys(fb_virt); - fb_info->fix.smem_start = fb_phys; fb_info->screen_base = fb_virt; fb_info->screen_size = fb_info->fix.smem_len = fb_size; @@ -843,9 +842,11 @@ static int mxsfb_init_fbinfo(struct mxsfb_info *host, static void mxsfb_free_videomem(struct mxsfb_info *host) { + struct device *dev = &host->pdev->dev; struct fb_info *fb_info = &host->fb_info; - free_pages_exact(fb_info->screen_base, fb_info->fix.smem_len); + dma_free_wc(dev, fb_info->screen_size, fb_info->screen_base, + fb_info->fix.smem_start); } static const struct platform_device_id mxsfb_devtype[] = { |