Messages in this thread Patch in this message | | | From | Florian Tobias Schandinat <> | Subject | [PATCH 1/3] viafb: use write combining for video ram | Date | Sat, 30 Apr 2011 14:18:04 +0000 |
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This can give a speed up of factor 6-9, which is quite notable.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> --- drivers/video/via/via-core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/video/via/via-core.c b/drivers/video/via/via-core.c index 6723d69..5b0129b 100644 --- a/drivers/video/via/via-core.c +++ b/drivers/video/via/via-core.c @@ -505,7 +505,7 @@ static int __devinit via_pci_setup_mmio(struct viafb_dev *vdev) ret = vdev->fbmem_len = viafb_get_fb_size_from_pci(vdev->chip_type); if (ret < 0) goto out_unmap; - vdev->fbmem = ioremap_nocache(vdev->fbmem_start, vdev->fbmem_len); + vdev->fbmem = ioremap_wc(vdev->fbmem_start, vdev->fbmem_len); if (vdev->fbmem == NULL) { ret = -ENOMEM; goto out_unmap; -- 1.6.3.2
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