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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-08 20:39:29 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-08 20:39:29 -0500 |
| commit | ba00410b8131b23edfb0e09f8b6dd26c8eb621fb (patch) | |
| tree | c08504e4d2fa51ac91cef544f336d0169806c49f /drivers/gpu/drm/radeon/r600_dma.c | |
| parent | 8ce74dd6057832618957fc2cbd38fa959c3a0a6c (diff) | |
| parent | aa583096d9767892983332e7c1a984bd17e3cd39 (diff) | |
| download | blackbird-op-linux-ba00410b8131b23edfb0e09f8b6dd26c8eb621fb.tar.gz blackbird-op-linux-ba00410b8131b23edfb0e09f8b6dd26c8eb621fb.zip | |
Merge branch 'iov_iter' into for-next
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_dma.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_dma.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/r600_dma.c b/drivers/gpu/drm/radeon/r600_dma.c index aabc343b9a8f..cf0df45d455e 100644 --- a/drivers/gpu/drm/radeon/r600_dma.c +++ b/drivers/gpu/drm/radeon/r600_dma.c @@ -338,17 +338,17 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) { struct radeon_ib ib; unsigned i; + unsigned index; int r; - void __iomem *ptr = (void *)rdev->vram_scratch.ptr; u32 tmp = 0; + u64 gpu_addr; - if (!ptr) { - DRM_ERROR("invalid vram scratch pointer\n"); - return -EINVAL; - } + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + index = R600_WB_DMA_RING_TEST_OFFSET; + else + index = CAYMAN_WB_DMA1_RING_TEST_OFFSET; - tmp = 0xCAFEDEAD; - writel(tmp, ptr); + gpu_addr = rdev->wb.gpu_addr + index; r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); if (r) { @@ -357,8 +357,8 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) } ib.ptr[0] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1); - ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc; - ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff; + ib.ptr[1] = lower_32_bits(gpu_addr); + ib.ptr[2] = upper_32_bits(gpu_addr) & 0xff; ib.ptr[3] = 0xDEADBEEF; ib.length_dw = 4; @@ -374,7 +374,7 @@ 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(rdev->wb.wb[index/4]); if (tmp == 0xDEADBEEF) break; DRM_UDELAY(1); |
