[PATCH 2/3] radeon: Fix VCE ring test for Big-Endian systems

[Oded Gabbay]

This patch fixes the VCE ring test when running on Big-Endian machines.
Every write to the ring needs to be translated to little-endian.

Signed-off-by: Oded Gabbay <oded.gabbay at gmail.com>
Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/radeon/radeon_vce.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_vce.c 
b/drivers/gpu/drm/radeon/radeon_vce.c
index 574f62b..86f57e4 100644
--- a/drivers/gpu/drm/radeon/radeon_vce.c
+++ b/drivers/gpu/drm/radeon/radeon_vce.c
@@ -699,12 +699,12 @@ bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
 {
        uint64_t addr = semaphore->gpu_addr;

-       radeon_ring_write(ring, VCE_CMD_SEMAPHORE);
-       radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
-       radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
-       radeon_ring_write(ring, 0x01003000 | (emit_wait ? 1 : 0));
+       radeon_ring_write(ring, cpu_to_le32(VCE_CMD_SEMAPHORE));
+       radeon_ring_write(ring, cpu_to_le32((addr >> 3) & 0x000FFFFF));
+       radeon_ring_write(ring, cpu_to_le32((addr >> 23) & 0x000FFFFF));
+       radeon_ring_write(ring, cpu_to_le32(0x01003000 | (emit_wait ? 1 : 0)));
        if (!emit_wait)
-               radeon_ring_write(ring, VCE_CMD_END);
+               radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END));

        return true;
 }
@@ -719,10 +719,10 @@ bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
 {
        struct radeon_ring *ring = &rdev->ring[ib->ring];
-       radeon_ring_write(ring, VCE_CMD_IB);
-       radeon_ring_write(ring, ib->gpu_addr);
-       radeon_ring_write(ring, upper_32_bits(ib->gpu_addr));
-       radeon_ring_write(ring, ib->length_dw);
+       radeon_ring_write(ring, cpu_to_le32(VCE_CMD_IB));
+       radeon_ring_write(ring, cpu_to_le32(ib->gpu_addr));
+       radeon_ring_write(ring, cpu_to_le32(upper_32_bits(ib->gpu_addr)));
+       radeon_ring_write(ring, cpu_to_le32(ib->length_dw));
 }

 /**
@@ -738,12 +738,12 @@ void radeon_vce_fence_emit(struct radeon_device *rdev,
        struct radeon_ring *ring = &rdev->ring[fence->ring];
        uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;

-       radeon_ring_write(ring, VCE_CMD_FENCE);
-       radeon_ring_write(ring, addr);
-       radeon_ring_write(ring, upper_32_bits(addr));
-       radeon_ring_write(ring, fence->seq);
-       radeon_ring_write(ring, VCE_CMD_TRAP);
-       radeon_ring_write(ring, VCE_CMD_END);
+       radeon_ring_write(ring, cpu_to_le32(VCE_CMD_FENCE));
+       radeon_ring_write(ring, cpu_to_le32(addr));
+       radeon_ring_write(ring, cpu_to_le32(upper_32_bits(addr)));
+       radeon_ring_write(ring, cpu_to_le32(fence->seq));
+       radeon_ring_write(ring, cpu_to_le32(VCE_CMD_TRAP));
+       radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END));
 }

 /**
@@ -765,7 +765,7 @@ int radeon_vce_ring_test(struct radeon_device *rdev, struct 
radeon_ring *ring)
                          ring->idx, r);
                return r;
        }
-       radeon_ring_write(ring, VCE_CMD_END);
+       radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END));
        radeon_ring_unlock_commit(rdev, ring, false);

        for (i = 0; i < rdev->usec_timeout; i++) {
-- 
2.5.0