Attachment 73455 Details for Bug 59672 – use sw swap for dma rings

[patch] use sw swap for dma rings

sw_swap_for_dma_rings.diff (text/plain), 1.15 KB, created by Alex Deucher on 2013-01-22 15:07:26 UTC

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Creator: Alex Deucher

Created: 2013-01-22 15:07:26 UTC

Size: 1.15 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
>index 04f3745..2bbb25e 100644
>--- a/drivers/gpu/drm/radeon/r600.c
>+++ b/drivers/gpu/drm/radeon/r600.c
>@@ -2596,7 +2596,7 @@ int r600_dma_ring_test(struct radeon_device *rdev,
> 		return -EINVAL;
> 	}
> 
>-	tmp = 0xCAFEDEAD;
>+	tmp = cpu_to_le32(0xCAFEDEAD);
> 	writel(tmp, ptr);
> 
> 	r = radeon_ring_lock(rdev, ring, 4);
>@@ -2611,7 +2611,7 @@ int r600_dma_ring_test(struct radeon_device *rdev,
> 	radeon_ring_unlock_commit(rdev, ring);
> 
> 	for (i = 0; i < rdev->usec_timeout; i++) {
>-		tmp = readl(ptr);
>+		tmp = le32_to_cpu(readl(ptr));
> 		if (tmp == 0xDEADBEEF)
> 			break;
> 		DRM_UDELAY(1);
>@@ -3225,7 +3225,7 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
> 		return -EINVAL;
> 	}
> 
>-	tmp = 0xCAFEDEAD;
>+	tmp = cpu_to_le32(0xCAFEDEAD);
> 	writel(tmp, ptr);
> 
> 	r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
>@@ -3252,7 +3252,7 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
> 		return r;
> 	}
> 	for (i = 0; i < rdev->usec_timeout; i++) {
>-		tmp = readl(ptr);
>+		tmp = le32_to_cpu(readl(ptr));
> 		if (tmp == 0xDEADBEEF)
> 			break;
> 		DRM_UDELAY(1);

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Attachments on bug 59672: 73396 | 73398 | 73440 | 73455

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