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path: root/drivers/video/vesafb.c
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Diffstat (limited to 'drivers/video/vesafb.c')
-rw-r--r--drivers/video/vesafb.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index 2196448396e..e16322d157d 100644
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -47,17 +47,16 @@ static struct fb_fix_screeninfo vesafb_fix __initdata = {
.accel = FB_ACCEL_NONE,
};
-static int inverse = 0;
-static int mtrr = 0; /* disable mtrr */
-static int vram_remap __initdata = 0; /* Set amount of memory to be used */
-static int vram_total __initdata = 0; /* Set total amount of memory */
-static int pmi_setpal = 1; /* pmi for palette changes ??? */
-static int ypan = 0; /* 0..nothing, 1..ypan, 2..ywrap */
-static unsigned short *pmi_base = NULL;
-static void (*pmi_start)(void);
-static void (*pmi_pal)(void);
-static int depth;
-static int vga_compat;
+static int inverse __read_mostly;
+static int mtrr __read_mostly; /* disable mtrr */
+static int vram_remap __initdata; /* Set amount of memory to be used */
+static int vram_total __initdata; /* Set total amount of memory */
+static int pmi_setpal __read_mostly = 1; /* pmi for palette changes ??? */
+static int ypan __read_mostly; /* 0..nothing, 1..ypan, 2..ywrap */
+static void (*pmi_start)(void) __read_mostly;
+static void (*pmi_pal) (void) __read_mostly;
+static int depth __read_mostly;
+static int vga_compat __read_mostly;
/* --------------------------------------------------------------------- */
static int vesafb_pan_display(struct fb_var_screeninfo *var,
@@ -312,6 +311,7 @@ static int __init vesafb_probe(struct platform_device *dev)
ypan = pmi_setpal = 0; /* not available or some DOS TSR ... */
if (ypan || pmi_setpal) {
+ unsigned short *pmi_base;
pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
pmi_start = (void*)((char*)pmi_base + pmi_base[1]);
pmi_pal = (void*)((char*)pmi_base + pmi_base[2]);
@@ -456,6 +456,8 @@ static int __init vesafb_probe(struct platform_device *dev)
info->node, info->fix.id);
return 0;
err:
+ if (info->screen_base)
+ iounmap(info->screen_base);
framebuffer_release(info);
release_mem_region(vesafb_fix.smem_start, size_total);
return err;