linux-kernel - [tip:x86/mm] x86: Use new cache mode type in drivers/video/fbdev/ vermilion

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Message-ID: <tip-5006e45a6bc293b490638210d1a88ac391d2eb92@git.kernel.org>
Date:	Sun, 16 Nov 2014 02:55:22 -0800
From:	tip-bot for Juergen Gross <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	stefan.bader@...onical.com, tglx@...utronix.de, mingo@...nel.org,
	hpa@...or.com, linux-kernel@...r.kernel.org, jgross@...e.com
Subject: [tip:x86/mm] x86: Use new cache mode type in drivers/video/fbdev/
 vermilion

Commit-ID:  5006e45a6bc293b490638210d1a88ac391d2eb92
Gitweb:     http://git.kernel.org/tip/5006e45a6bc293b490638210d1a88ac391d2eb92
Author:     Juergen Gross <jgross@...e.com>
AuthorDate: Mon, 3 Nov 2014 14:01:50 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sun, 16 Nov 2014 11:04:25 +0100

x86: Use new cache mode type in drivers/video/fbdev/vermilion

Instead of directly using the cache mode bits in the pte switch to
using the cache mode type.

Based-on-patch-by: Stefan Bader <stefan.bader@...onical.com>
Signed-off-by: Juergen Gross <jgross@...e.com>
Reviewed-by: Thomas Gleixner <tglx@...utronix.de>
Cc: stefan.bader@...onical.com
Cc: xen-devel@...ts.xensource.com
Cc: konrad.wilk@...cle.com
Cc: ville.syrjala@...ux.intel.com
Cc: david.vrabel@...rix.com
Cc: jbeulich@...e.com
Cc: toshi.kani@...com
Cc: plagnioj@...osoft.com
Cc: tomi.valkeinen@...com
Cc: bhelgaas@...gle.com
Link: http://lkml.kernel.org/r/1415019724-4317-5-git-send-email-jgross@suse.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 drivers/video/fbdev/vermilion/vermilion.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c
index 5f930ae..6b70d7f 100644
--- a/drivers/video/fbdev/vermilion/vermilion.c
+++ b/drivers/video/fbdev/vermilion/vermilion.c
@@ -1003,13 +1003,15 @@ static int vmlfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 	struct vml_info *vinfo = container_of(info, struct vml_info, info);
 	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
 	int ret;
+	unsigned long prot;
 
 	ret = vmlfb_vram_offset(vinfo, offset);
 	if (ret)
 		return -EINVAL;
 
-	pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
-	pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
+	prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK;
+	pgprot_val(vma->vm_page_prot) =
+		prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);
 
 	return vm_iomap_memory(vma, vinfo->vram_start,
 			vinfo->vram_contig_size);
--
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