diff options
Diffstat (limited to 'drivers/video/fbdev/hyperv_fb.c')
| -rw-r--r-- | drivers/video/fbdev/hyperv_fb.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index e36fb1a0ecdb..c8b0ae676809 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -47,6 +47,7 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/vmalloc.h> #include <linux/init.h> #include <linux/completion.h> #include <linux/fb.h> @@ -1092,7 +1093,12 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) goto err1; } - fb_virt = ioremap(par->mem->start, screen_fb_size); + /* + * Map the VRAM cacheable for performance. This is also required for + * VM Connect to display properly for ARM64 Linux VM, as the host also + * maps the VRAM cacheable. + */ + fb_virt = ioremap_cache(par->mem->start, screen_fb_size); if (!fb_virt) goto err2; |