diff options
| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2013-03-03 22:34:38 +0100 |
|---|---|---|
| committer | Marcin Slusarz <marcin.slusarz@gmail.com> | 2013-03-26 21:08:03 +0100 |
| commit | f92d7969bf6ba636d193423cf2388956badde3ff (patch) | |
| tree | faed372387963e5796f89ab826aa775aa1abf947 /nouveau/nouveau.c | |
| parent | 284421a56921337aaabcec7ad2790034249c7b31 (diff) | |
nouveau: add a way to override single pushbuffer memory limits
Currently single pushbuffer can take up to 80% of VRAM and 80% of GART.
As this value seems to be arbitrary (and user may need to set it differently)
this patch adds support for 2 environment variables:
NOUVEAU_LIBDRM_VRAM_LIMIT_PERCENT (default 80)
NOUVEAU_LIBDRM_GART_LIMIT_PERCENT (default 80)
which will let users override pushbuffer VRAM/GART limits.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Diffstat (limited to 'nouveau/nouveau.c')
| -rw-r--r-- | nouveau/nouveau.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/nouveau/nouveau.c b/nouveau/nouveau.c index 9b32e319..ee7893b3 100644 --- a/nouveau/nouveau.c +++ b/nouveau/nouveau.c @@ -77,6 +77,7 @@ nouveau_device_wrap(int fd, int close, struct nouveau_device **pdev) uint64_t chipset, vram, gart, bousage; drmVersionPtr ver; int ret; + char *tmp; #ifdef DEBUG debug_init(getenv("NOUVEAU_LIBDRM_DEBUG")); @@ -114,14 +115,27 @@ nouveau_device_wrap(int fd, int close, struct nouveau_device **pdev) nvdev->have_bo_usage = (bousage != 0); nvdev->close = close; + + tmp = getenv("NOUVEAU_LIBDRM_VRAM_LIMIT_PERCENT"); + if (tmp) + nvdev->vram_limit_percent = atoi(tmp); + else + nvdev->vram_limit_percent = 80; + tmp = getenv("NOUVEAU_LIBDRM_GART_LIMIT_PERCENT"); + if (tmp) + nvdev->gart_limit_percent = atoi(tmp); + else + nvdev->gart_limit_percent = 80; DRMINITLISTHEAD(&nvdev->bo_list); nvdev->base.object.oclass = NOUVEAU_DEVICE_CLASS; nvdev->base.lib_version = 0x01000000; nvdev->base.chipset = chipset; nvdev->base.vram_size = vram; nvdev->base.gart_size = gart; - nvdev->base.vram_limit = (nvdev->base.vram_size * 80) / 100; - nvdev->base.gart_limit = (nvdev->base.gart_size * 80) / 100; + nvdev->base.vram_limit = + (nvdev->base.vram_size * nvdev->vram_limit_percent) / 100; + nvdev->base.gart_limit = + (nvdev->base.gart_size * nvdev->gart_limit_percent) / 100; *pdev = &nvdev->base; return 0; |