AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

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

Browse Source 
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@canonical.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stefan.bader@canonical.com
Cc: xen-devel@lists.xensource.com
Cc: konrad.wilk@oracle.com
Cc: ville.syrjala@linux.intel.com
Cc: david.vrabel@citrix.com
Cc: jbeulich@suse.com
Cc: toshi.kani@hp.com
Cc: plagnioj@jcrosoft.com
Cc: tomi.valkeinen@ti.com
Cc: bhelgaas@google.com
Link: http://lkml.kernel.org/r/1415019724-4317-5-git-send-email-jgross@suse.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Juergen Gross 2014-11-03 14:01:50 +01:00 committed by Thomas Gleixner
parent 2d85ebf8e1
commit 5006e45a6b
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/video/fbdev/vermilion/vermilion.c
View File

@ -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);