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path: root/drivers/video/vermilion/vermilion.c
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Diffstat (limited to 'drivers/video/vermilion/vermilion.c')
-rw-r--r--drivers/video/vermilion/vermilion.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/video/vermilion/vermilion.c b/drivers/video/vermilion/vermilion.c
index c31f549ebea0..1c656667b937 100644
--- a/drivers/video/vermilion/vermilion.c
+++ b/drivers/video/vermilion/vermilion.c
@@ -88,9 +88,7 @@ static int vmlfb_alloc_vram_area(struct vram_area *va, unsigned max_order,
88{ 88{
89 gfp_t flags; 89 gfp_t flags;
90 unsigned long i; 90 unsigned long i;
91 pgprot_t wc_pageprot;
92 91
93 wc_pageprot = PAGE_KERNEL_NOCACHE;
94 max_order++; 92 max_order++;
95 do { 93 do {
96 /* 94 /*
@@ -126,14 +124,8 @@ static int vmlfb_alloc_vram_area(struct vram_area *va, unsigned max_order,
126 /* 124 /*
127 * Change caching policy of the linear kernel map to avoid 125 * Change caching policy of the linear kernel map to avoid
128 * mapping type conflicts with user-space mappings. 126 * mapping type conflicts with user-space mappings.
129 * The first global_flush_tlb() is really only there to do a global
130 * wbinvd().
131 */ 127 */
132 128 set_pages_uc(virt_to_page(va->logical), va->size >> PAGE_SHIFT);
133 global_flush_tlb();
134 change_page_attr(virt_to_page(va->logical), va->size >> PAGE_SHIFT,
135 wc_pageprot);
136 global_flush_tlb();
137 129
138 printk(KERN_DEBUG MODULE_NAME 130 printk(KERN_DEBUG MODULE_NAME
139 ": Allocated %ld bytes vram area at 0x%08lx\n", 131 ": Allocated %ld bytes vram area at 0x%08lx\n",
@@ -157,9 +149,8 @@ static void vmlfb_free_vram_area(struct vram_area *va)
157 * Reset the linear kernel map caching policy. 149 * Reset the linear kernel map caching policy.
158 */ 150 */
159 151
160 change_page_attr(virt_to_page(va->logical), 152 set_pages_wb(virt_to_page(va->logical),
161 va->size >> PAGE_SHIFT, PAGE_KERNEL); 153 va->size >> PAGE_SHIFT);
162 global_flush_tlb();
163 154
164 /* 155 /*
165 * Decrease the usage count on the pages we've used 156 * Decrease the usage count on the pages we've used