[PATCH v2 04/43] fbdev/deferred-io: Test screen_buffer for vmalloc'ed memory

Thomas Zimmermann
2024-04-10T13:06:02Z

Framebuffers in virtual memory are available via screen_buffer. Use
it instead of screen_base and avoid the type casting.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
---
drivers/video/fbdev/core/fb_defio.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
index f23b1cbe67192..b38f775cd39dd 100644
--- a/drivers/video/fbdev/core/fb_defio.c
+++ b/drivers/video/fbdev/core/fb_defio.c
@@ -25,11 +25,11 @@

static struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs)
{
- void *screen_base = (void __force *) info->screen_base;
+ const void *screen_buffer = info->screen_buffer;
struct page *page;

- if (is_vmalloc_addr(screen_base + offs))
- page = vmalloc_to_page(screen_base + offs);
+ if (is_vmalloc_addr(screen_buffer + offs))
+ page = vmalloc_to_page(screen_buffer + offs);
else
page = pfn_to_page((info->fix.smem_start + offs) >> PAGE_SHIFT);

--
2.44.0