linux-kernel - [PATCH 3.19.y-ckt 061/160] radeon/cik: Fix GFX IB test on Big-Endian

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Message-Id: <1453252038-31915-62-git-send-email-kamal@canonical.com>
Date:	Tue, 19 Jan 2016 17:05:39 -0800
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Oded Gabbay <oded.gabbay@...il.com>,
	Alex Deucher <alexander.deucher@....com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 061/160] radeon/cik: Fix GFX IB test on Big-Endian

3.19.8-ckt13 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Oded Gabbay <oded.gabbay@...il.com>

commit 5f3e226f511ec98d70c970f09cdb4ec46511cc5e upstream.

This patch makes the IB test on the GFX ring pass for CI-based cards
installed in Big-Endian machines.

Reviewed-by: Christian König <christian.koenig@....com>
Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/gpu/drm/radeon/cik.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 3011c7a..852e109 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -4112,11 +4112,7 @@ void cik_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
 	control |= ib->length_dw | (vm_id << 24);
 
 	radeon_ring_write(ring, header);
-	radeon_ring_write(ring,
-#ifdef __BIG_ENDIAN
-			  (2 << 0) |
-#endif
-			  (ib->gpu_addr & 0xFFFFFFFC));
+	radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFFC));
 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
 	radeon_ring_write(ring, control);
 }
-- 
1.9.1