diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-11-23 15:29:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-11-23 15:29:03 -0800 |
| commit | d5beb3140f91b1c8a3d41b14d729aefa4dcc58bc (patch) | |
| tree | a653e68f66f3621092e572f98d22b509fc66e95d /drivers/video/fbdev/hyperv_fb.c | |
| parent | 418baf2c28f3473039f2f7377760bd8f6897ae18 (diff) | |
| parent | 5f1251a48c17b54939d7477305e39679a565382c (diff) | |
Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V fix from Wei Liu:
"One patch from Dexuan to fix VRAM cache type in Hyper-V framebuffer
driver"
* tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
video: hyperv_fb: Fix the cache type when mapping the VRAM
Diffstat (limited to 'drivers/video/fbdev/hyperv_fb.c')
| -rw-r--r-- | drivers/video/fbdev/hyperv_fb.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index 5bc86f481a78..c8b0ae676809 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -1093,7 +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; |