From ee057f972d321cce2637a708d2f189481e855f58 Mon Sep 17 00:00:00 2001
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: Mon, 28 Aug 2023 15:14:19 +0200
Subject: [PATCH] fbdev: Add Kconfig macro FB_IOMEM_HELPERS_DEFERRED

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 <tzimmermann@suse.de>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230828132131.29295-4-tzimmermann@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 baf7e852c75b6..e80d6429f76ab 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
-- 
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