Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu/sdma4.0: adjust SDMA limits
SDMA 4.4.x has increased transfer limits.
v2: fix harder, use shifts to make it more obvious
Cc: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+16
-3
+16
-3
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+16
-3
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
···
2604
2604
}
2605
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static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
2607
-
.copy_max_bytes = 0x400000,
2607
+
.copy_max_bytes = 1 << 22,
2608
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.copy_num_dw = 7,
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2609
.emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
2610
2610
2611
-
.fill_max_bytes = 0x400000,
2611
+
.fill_max_bytes = 1 << 22,
2612
+
.fill_num_dw = 5,
2613
+
.emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
2614
+
};
2615
+
2616
+
static const struct amdgpu_buffer_funcs sdma_v4_4_buffer_funcs = {
2617
+
.copy_max_bytes = 1 << 30,
2618
+
.copy_num_dw = 7,
2619
+
.emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
2620
+
2621
+
.fill_max_bytes = 1 << 30,
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2622
.fill_num_dw = 5,
2613
2623
.emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
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};
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static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
2617
2627
{
2618
-
adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
2628
+
if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) >= IP_VERSION(4, 4, 0))
2629
+
adev->mman.buffer_funcs = &sdma_v4_4_buffer_funcs;
2630
+
else
2631
+
adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
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2632
if (adev->sdma.has_page_queue)
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adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
2621
2634
else