[PATCH] allow vesafb to build when no CONFIG_MTRR

From: Jan Beulich
Date: Tue Jun 21 2005 - 06:26:16 EST


(Note: Patch also attached because the inline version is certain to get
line wrapped.)

vesafb didn't build when CONFIG_MTRR wasn't set.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

--- /home/jbeulich/tmp/linux-2.6.12/drivers/video/vesafb.c 2005-06-17 21:48:29.000000000 +0200
+++ 2.6.12/drivers/video/vesafb.c 2005-06-21 09:56:14.572032960 +0200
@@ -45,7 +45,9 @@ static struct fb_fix_screeninfo vesafb_f
};

static int inverse = 0;
+#ifdef CONFIG_MTRR
static int mtrr = 1;
+#endif
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 = 0; /* pmi for palette changes ??? */
@@ -204,10 +206,12 @@ static int __init vesafb_setup(char *opt
pmi_setpal=0;
else if (! strcmp(this_opt, "pmipal"))
pmi_setpal=1;
+#ifdef CONFIG_MTRR
else if (! strcmp(this_opt, "mtrr"))
mtrr=1;
else if (! strcmp(this_opt, "nomtrr"))
mtrr=0;
+#endif
else if (! strncmp(this_opt, "vtotal:", 7))
vram_total = simple_strtoul(this_opt+7, NULL, 0);
else if (! strncmp(this_opt, "vremap:", 7))
@@ -385,8 +389,9 @@ static int __init vesafb_probe(struct de
* region already (FIXME) */
request_region(0x3c0, 32, "vesafb");

+#ifdef CONFIG_MTRR
if (mtrr) {
- int temp_size = size_total;
+ unsigned int temp_size = size_total;
/* Find the largest power-of-two */
while (temp_size & (temp_size - 1))
temp_size &= (temp_size - 1);
@@ -396,6 +401,7 @@ static int __init vesafb_probe(struct de
temp_size >>= 1;
}
}
+#endif

info->fbops = &vesafb_ops;
info->var = vesafb_defined;


Attachment: linux-2.6.12-vesafb-no-mtrr.patch
Description: Binary data