From: Dave Airlie Date: Thu, 9 Jul 2009 23:33:00 +0000 (+1000) Subject: drm/radeon/kms: don't swap PCIEGART PTEs in VRAM. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=77bd36f014bc5a3f28507a4e86a81b2b3d2439c3;p=linux-beck.git drm/radeon/kms: don't swap PCIEGART PTEs in VRAM. On powerpc, since we aren't using any hw swappers, this will get flipped around by default in hw. tested on a G5 + rv515. Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 656d9238bb06..6435d659cbd1 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -154,7 +154,10 @@ int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) addr = (lower_32_bits(addr) >> 8) | ((upper_32_bits(addr) & 0xff) << 24) | 0xc; - writel(cpu_to_le32(addr), ((void __iomem *)ptr) + (i * 4)); + /* on x86 we want this to be CPU endian, on powerpc + * on powerpc without HW swappers, it'll get swapped on way + * into VRAM - so no need for cpu_to_le32 on VRAM tables */ + writel(addr, ((void __iomem *)ptr) + (i * 4)); return 0; }