* [PATCH 2/2] drm: Remove unneeded dma sync in ATI pcigart alloc
@ 2008-04-20 0:26 Benjamin Herrenschmidt
0 siblings, 0 replies; only message in thread
From: Benjamin Herrenschmidt @ 2008-04-20 0:26 UTC (permalink / raw)
To: David Airlie; +Cc: linux-kernel, stevewin
Now that the ATI pcigart code uses dma_alloc_coherent, we don't need
the dma_sync_single_for_device() that we used to have here.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
Probably not stable material as it won't hurt not to remove it.
drivers/char/drm/ati_pcigart.c | 7 -------
1 file changed, 7 deletions(-)
--- linux-work.orig/drivers/char/drm/ati_pcigart.c 2008-04-19 16:52:23.000000000 +1000
+++ linux-work/drivers/char/drm/ati_pcigart.c 2008-04-19 16:54:00.000000000 +1000
@@ -167,13 +167,6 @@ int drm_ati_pcigart_init(struct drm_devi
page_base += ATI_PCIGART_PAGE_SIZE;
}
}
-
- if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
- dma_sync_single_for_device(&dev->pdev->dev,
- bus_address,
- max_pages * sizeof(u32),
- PCI_DMA_TODEVICE);
-
ret = 1;
#if defined(__i386__) || defined(__x86_64__)
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