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ps3fb: video memory size cleanups 

- Limit video memory size to avoid crossing a 256 MiB boundary in IOIF space.
- Pass the actual amount of video memory used to lv1_gpu_memory_allocate().

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2007-11-28 16:21:11 -08:00 committed by Linus Torvalds
parent 248285501e
commit ee592a5bd5
1 changed files with 9 additions and 2 deletions
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11
drivers/video/ps3fb.c
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@ -51,7 +51,6 @@
#define L1GPU_DISPLAY_SYNC_HSYNC 1
#define L1GPU_DISPLAY_SYNC_VSYNC 2
#define DDR_SIZE (0) /* used no ddr */
#define GPU_CMD_BUF_SIZE (64 * 1024)
#define GPU_IOIF (0x0d000000UL)
#define GPU_ALIGN_UP(x) _ALIGN_UP((x), 64)
@ -1060,6 +1059,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
u64 xdr_lpar;
int status, res_index;
struct task_struct *task;
unsigned long max_ps3fb_size;
status = ps3_open_hv_device(dev);
if (status) {
@ -1085,8 +1085,15 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
ps3fb_set_sync(&dev->core);
max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
if (ps3fb_videomemory.size > max_ps3fb_size) {
dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
max_ps3fb_size);
ps3fb_videomemory.size = max_ps3fb_size;
}
/* get gpu context handle */
status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
&ps3fb.memory_handle, &ddr_lpar);
if (status) {
dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",