linux-kernel - [PATCH 3/3] fb-defio: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers.

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Date:	Thu,  3 Dec 2009 10:31:58 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	jayakumar.lkml@...il.com, damm@...nsource.se,
	linux-kernel@...r.kernel.org
Cc:	armbru@...hat.com, jeremy@...p.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [PATCH 3/3] fb-defio: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers.

The framebuffers (screenbase) these drivers present are actually
vmalloc-ed pages. There is no need for them to have the VM_IO flag set.
---
 drivers/video/broadsheetfb.c |    2 +-
 drivers/video/hecubafb.c     |    2 +-
 drivers/video/metronomefb.c  |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
index 509cb92..df9ccb9 100644
--- a/drivers/video/broadsheetfb.c
+++ b/drivers/video/broadsheetfb.c
@@ -470,7 +470,7 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev)
 	par->read_reg = broadsheet_read_reg;
 	init_waitqueue_head(&par->waitq);
 
-	info->flags = FBINFO_FLAG_DEFAULT;
+	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
 
 	info->fbdefio = &broadsheetfb_defio;
 	fb_deferred_io_init(info);
diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c
index 0b4bffb..f9d77ad 100644
--- a/drivers/video/hecubafb.c
+++ b/drivers/video/hecubafb.c
@@ -253,7 +253,7 @@ static int __devinit hecubafb_probe(struct platform_device *dev)
 	par->send_command = apollo_send_command;
 	par->send_data = apollo_send_data;
 
-	info->flags = FBINFO_FLAG_DEFAULT;
+	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
 
 	info->fbdefio = &hecubafb_defio;
 	fb_deferred_io_init(info);
diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c
index df1f757..661bfd2 100644
--- a/drivers/video/metronomefb.c
+++ b/drivers/video/metronomefb.c
@@ -700,7 +700,7 @@ static int __devinit metronomefb_probe(struct platform_device *dev)
 	if (retval < 0)
 		goto err_free_irq;
 
-	info->flags = FBINFO_FLAG_DEFAULT;
+	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
 
 	info->fbdefio = &metronomefb_defio;
 	fb_deferred_io_init(info);
-- 
1.6.2.5

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