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smartbook: fix GPU resource allocation to match other boards

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This commit is contained in:
Matt Sealey
2010-11-13 10:00:05 -06:00
parent bd5e72ac57
commit 0653eb30c9
1 changed files with 52 additions and 16 deletions
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68
arch/arm/mach-mx5/mx51_efikasb.c
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@@ -530,36 +530,72 @@ static void __init fixup_mxc_board(struct machine_desc *desc, struct tag *tags,
char **cmdline, struct meminfo *mi)
{
char *str;
int size = SZ_512M - SZ_32M;
struct tag *t;
struct tag *mem_tag = 0;
int total_mem = SZ_512M;
int left_mem = 0;
int gpu_mem = SZ_64M;
int fb_mem = SZ_32M;
mxc_set_cpu_type(MXC_CPU_MX51);
get_cpu_wp = mx51_efikasb_get_cpu_wp;
set_num_cpu_wp = mx51_efikasb_set_num_cpu_wp;
for_each_tag(t, tags) {
if (t->hdr.tag != ATAG_CMDLINE)
continue;
str = t->u.cmdline.cmdline;
str = strstr(str, "mem=");
if (str != NULL) {
str += 4;
size = memparse(str, &str);
if (size == 0 || size == SZ_512M)
return;
for_each_tag(mem_tag, tags) {
if (mem_tag->hdr.tag == ATAG_MEM) {
total_mem = mem_tag->u.mem.size;
left_mem = total_mem - gpu_mem - fb_mem;
break;
}
}
for_each_tag(t, tags) {
if (t->hdr.tag != ATAG_MEM)
continue;
if (t->hdr.tag == ATAG_CMDLINE) {
str = t->u.cmdline.cmdline;
str = strstr(str, "mem=");
if (str != NULL) {
str += 4;
left_mem = memparse(str, &str);
if (left_mem == 0 || left_mem > total_mem)
left_mem = total_mem - gpu_mem - fb_mem;
}
t->u.mem.size = size;
str = t->u.cmdline.cmdline;
str = strstr(str, "gpu_memory=");
if (str != NULL) {
str += 11;
gpu_mem = memparse(str, &str);
}
break;
}
}
if (mem_tag) {
fb_mem = total_mem - left_mem - gpu_mem;
if (fb_mem < 0) {
gpu_mem = total_mem - left_mem;
fb_mem = 0;
}
mem_tag->u.mem.size = left_mem;
/*reserve memory for gpu*/
gpu_device.resource[5].start =
mem_tag->u.mem.start + left_mem;
gpu_device.resource[5].end =
gpu_device.resource[5].start + gpu_mem - 1;
#if defined(CONFIG_FB_MXC_SYNC_PANEL) || \
defined(CONFIG_FB_MXC_SYNC_PANEL_MODULE)
mxcfb_resources[0].start = t->u.mem.start + size;
mxcfb_resources[0].end = t->u.mem.start + SZ_512M - 1;
if (fb_mem) {
mxcfb_resources[0].start =
gpu_device.resource[5].end + 1;
mxcfb_resources[0].end =
mxcfb_resources[0].start + fb_mem - 1;
} else {
mxcfb_resources[0].start = 0;
mxcfb_resources[0].end = 0;
}
#endif
}
}