This is a note to let you know that I've just added the patch titled
radeon: Fix KMS CP writeback on big endian machines.
to the 2.6.38-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
radeon-fix-kms-cp-writeback-on-big-endian-machines.patch
and it can be found in the queue-2.6.38 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
From dc66b325f161bb651493c7d96ad44876b629cf6a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <[email protected]>
Date: Thu, 7 Apr 2011 16:17:47 +0200
Subject: radeon: Fix KMS CP writeback on big endian machines.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <[email protected]>
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 <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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);
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.38/radeon-fix-kms-cp-writeback-on-big-endian-machines.patch
_______________________________________________
stable mailing list
[email protected]
http://linux.kernel.org/mailman/listinfo/stable
