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nouveau: avoid excessive gart aperture for on-board cards

Message ID 1345405840-2740-1-git-send-email-barra_cuda@katamail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Michele Ballabio Aug. 19, 2012, 7:50 p.m. UTC
Commit d0f3c7e41d30859a638083654002b9b6faf7f67b ("drm/nouveau: give a
slightly larger pci(e)gart aperture on all chipsets") removed a test:
that caused an 8x increase in gart aperture, instead of a 2x one, for
on-board cards >= NV_40.

Signed-off-by: Michele Ballabio <barra_cuda@katamail.com>

	in Linux 3.5.x I experienced some crashes of the X server, and
noticed from the boot that while the gart aperture in 3.4.x was 64MB,
in 3.5.x became 512MB. So I came out with this quick patch: this seems
to work, since X did not crash anymore (and I tried quite hard to),
but I'm not sure if it is the right fix.

 drivers/gpu/drm/nouveau/nouveau_sgdma.c | 2 +-
 1 file modificato, 1 inserzione(+). 1 rimozione(-)
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diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index 38483a0..ebc27f7 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -341,7 +341,7 @@  nouveau_sgdma_init(struct drm_device *dev)
 	u32 aper_size, align;
 	int ret;
-	if (dev_priv->card_type >= NV_40)
+	if (dev_priv->card_type >= NV_40 && pci_is_pcie(dev->pdev))
 		aper_size = 512 * 1024 * 1024;
 		aper_size = 128 * 1024 * 1024;