[PATCH] radeon: Fix KMS CP writeback on big endian machines.

Hi,

The following patch fixes interrupt acknowledge when write-back is enabled on big endian platform.

The same should be applied on evergreen.

Cedric

Signed-off-by: Cedric Cano<ccano at interfaceconcept.com> --- diff -Naur linux-2.6.38.2/drivers/gpu/drm/radeon/r600.c linux-2.6.38.2/drivers/gpu/drm/radeon/r600.c --- linux-2.6.38.2/drivers/gpu/drm/radeon/r600.c 2011-04-19 09:52:13.000000000 +0200 +++ linux-2.6.38.2/drivers/gpu/drm/radeon/r600.c 2011-03-27 20:37:20.000000000 +0200 @@ -3227,7 +3227,7 @@ u32 wptr, tmp;

if (rdev->wb.enabled) - wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); + wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]; else wptr = RREG32(IH_RB_WPTR);