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 <tzimmerm...@suse.de>
---
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
