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path: root/drivers/gpu/drm/radeon/cik_sdma.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/cik_sdma.c')
-rw-r--r--drivers/gpu/drm/radeon/cik_sdma.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index 4e8432d07f15..d748963af08b 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -667,17 +667,20 @@ int cik_sdma_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;
+
+ gpu_addr = rdev->wb.gpu_addr + index;
tmp = 0xCAFEDEAD;
- writel(tmp, ptr);
+ rdev->wb.wb[index/4] = cpu_to_le32(tmp);
r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
if (r) {
@@ -686,8 +689,8 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
}
ib.ptr[0] = SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0);
- ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc;
- ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr);
+ ib.ptr[1] = lower_32_bits(gpu_addr);
+ ib.ptr[2] = upper_32_bits(gpu_addr);
ib.ptr[3] = 1;
ib.ptr[4] = 0xDEADBEEF;
ib.length_dw = 5;
@@ -704,7 +707,7 @@ int cik_sdma_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);
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