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sna: Tweak max object sizes to take account of aperture restrictions 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-01-12 08:51:52 +00:00
parent d111c464bf
commit 03d392cd1d
1 changed files with 2 additions and 13 deletions
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15
src/sna/kgem.c
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@ -1102,18 +1102,10 @@ void kgem_init(struct kgem *kgem, int fd, struct pci_device *dev, unsigned gen)
DBG(("%s: buffer size=%d [%d KiB]\n", __FUNCTION__,
kgem->buffer_size, kgem->buffer_size / 1024));
kgem->max_object_size = 2 * aperture.aper_size / 3;
kgem->max_object_size = 2 * kgem->aperture_high / 3;
kgem->max_gpu_size = kgem->max_object_size;
if (!kgem->has_llc)
kgem->max_gpu_size = MAX_CACHE_SIZE;
if (gen < 040) {
/* If we have to use fences for blitting, we have to make
* sure we can fit them into the aperture.
*/
kgem->max_gpu_size = kgem->aperture_mappable / 2;
if (kgem->max_gpu_size > kgem->aperture_low)
kgem->max_gpu_size = kgem->aperture_low;
}
totalram = total_ram_size();
if (totalram == 0) {
@ -1128,10 +1120,7 @@ void kgem_init(struct kgem *kgem, int fd, struct pci_device *dev, unsigned gen)
kgem->max_gpu_size = totalram / 4;
half_gpu_max = kgem->max_gpu_size / 2;
if (gen >= 040)
kgem->max_cpu_size = half_gpu_max;
else
kgem->max_cpu_size = kgem->max_object_size;
kgem->max_cpu_size = half_gpu_max;
kgem->max_copy_tile_size = (MAX_CACHE_SIZE + 1)/2;
if (kgem->max_copy_tile_size > half_gpu_max)