# \[PATCH 3/8\] fbdev: Add Kconfig macro FB\_IOMEM\_HELPERS\_DEFERRED - From: Thomas Zimmermann \ - Date: 2023-08-28 13:22:34 - List: linux-fbdev - Page: https://ratatoskr.run/linux-fbdev/2023/08/8935603 - Thread: https://ratatoskr.run/linux-fbdev/2023/08/8935599/t.md ```text The new Kconfig macro FB_IOMEM_HELPERS_DEFERRED selects fbdev's helpers for device I/O memory and deferred I/O. Drivers should use it if they perform damage updates on device I/O memory. Signed-off-by: Thomas Zimmermann --- drivers/video/fbdev/core/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/video/fbdev/core/Kconfig b/drivers/video/fbdev/core/Kconfig index baf7e852c75b..e80d6429f76a 100644 --- a/drivers/video/fbdev/core/Kconfig +++ b/drivers/video/fbdev/core/Kconfig @@ -151,6 +151,12 @@ config FB_IOMEM_HELPERS select FB_CFB_FILLRECT select FB_CFB_IMAGEBLIT +config FB_IOMEM_HELPERS_DEFERRED + bool + depends on FB_CORE + select FB_DEFERRED_IO + select FB_IOMEM_HELPERS + config FB_SYSMEM_HELPERS bool depends on FB_CORE -- 2.41.0 ```