From ee592a5bd5180cc1ffaf5acd7bf1e91e0d854a08 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 28 Nov 2007 16:21:11 -0800 Subject: 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/ps3fb.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'drivers/video') 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", -- cgit v1.2.3