Messages in this thread Patch in this message | | | Date | Tue, 19 Apr 2011 13:09:17 -0700 | From | Greg KH <> | Subject | [68/70] radeon: Fix KMS CP writeback on big endian machines. |
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2.6.38-stable review patch. If anyone has any objections, please let us know.
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From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <daenzer@vmware.com>
commit dc66b325f161bb651493c7d96ad44876b629cf6a upstream.
This is necessary even with PCI(e) GART, and it makes writeback work even with AGP on my PowerBook. Might still be unreliable with older revisions of UniNorth and other AGP bridges though.
Signed-off-by: Michel Dänzer <daenzer@vmware.com> Reviewed-by: Alex Deucher <alex.deucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/gpu/drm/radeon/radeon_fence.c | 2 +- drivers/gpu/drm/radeon/radeon_ring.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -80,7 +80,7 @@ static bool radeon_fence_poll_locked(str scratch_index = R600_WB_EVENT_OFFSET + rdev->fence_drv.scratch_reg - rdev->scratch.reg_base; else scratch_index = RADEON_WB_SCRATCH_OFFSET + rdev->fence_drv.scratch_reg - rdev->scratch.reg_base; - seq = rdev->wb.wb[scratch_index/4]; + seq = le32_to_cpu(rdev->wb.wb[scratch_index/4]); } else seq = RREG32(rdev->fence_drv.scratch_reg); if (seq != rdev->fence_drv.last_seq) { --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -248,7 +248,7 @@ void radeon_ib_pool_fini(struct radeon_d void radeon_ring_free_size(struct radeon_device *rdev) { if (rdev->wb.enabled) - rdev->cp.rptr = rdev->wb.wb[RADEON_WB_CP_RPTR_OFFSET/4]; + rdev->cp.rptr = le32_to_cpu(rdev->wb.wb[RADEON_WB_CP_RPTR_OFFSET/4]); else { if (rdev->family >= CHIP_R600) rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
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