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authorGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>2007-11-28 16:21:11 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-29 09:24:51 -0800
commitee592a5bd5180cc1ffaf5acd7bf1e91e0d854a08 (patch)
tree8387d440d834db1fc995b376b1f1f209b18a67c4 /drivers/video/ps3fb.c
parent248285501ea251379dd449316bf5af78362ae638 (diff)
downloadvexpress-lsk-ee592a5bd5180cc1ffaf5acd7bf1e91e0d854a08.tar.gz
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>
Diffstat (limited to 'drivers/video/ps3fb.c')
-rw-r--r--drivers/video/ps3fb.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index 75836aa8319..9c56c492a69 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c
@@ -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",