On Thu, 2010-01-28 at 19:25 +0100, Luca Barbieri wrote:
> This patch enlarges the PCI GART aperture to 512 MB.
>
> The current 64MB aperture is too small and should be enlarged.
> The optimal amound may be card/system-dependent, so a more sophisticated
> approach may be preferable.
> In particular, if RAMIN is less than 1MB, a 512MB aperture won't fit.
This is something I've been meaning to do for a while, it keeps slipping
my mind however.
A NACK on the patch as it currently is from me though, I believe it may
break on some really early cards (not 100% sure, but we should be before
doing it). If it does break them, the patch should be adjusted for
that..
Ben.
>
> Signed-off-by: Luca Barbieri <l...@luca-barbieri.com>
> ---
> drivers/gpu/drm/nouveau/nouveau_sgdma.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> index 4c7f1e4..2ca44cc 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> @@ -227,7 +227,7 @@ nouveau_sgdma_init(struct drm_device *dev)
> int i, ret;
>
> if (dev_priv->card_type < NV_50) {
> - aper_size = (64 * 1024 * 1024);
> + aper_size = (512 * 1024 * 1024);
> obj_size = (aper_size >> NV_CTXDMA_PAGE_SHIFT) * 4;
> obj_size += 8; /* ctxdma header */
> } else {
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