SDMA 4.4.x has increased transfer limits.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index f38004e6064e5..cb6e6257c8fbf 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2606,9 +2606,22 @@ static const struct amdgpu_buffer_funcs
sdma_v4_0_buffer_funcs = {
.emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
};
+static const struct amdgpu_buffer_funcs sdma_v4_4_buffer_funcs = {
+ .copy_max_bytes = 0x4000000,
+ .copy_num_dw = 7,
+ .emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
+
+ .fill_max_bytes = 0x4000000,
+ .fill_num_dw = 5,
+ .emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
+};
+
static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
{
- adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
+ if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) >= IP_VERSION(4, 4, 0))
+ adev->mman.buffer_funcs = &sdma_v4_4_buffer_funcs;
+ else
+ adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
if (adev->sdma.has_page_queue)
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
else
--
2.51.0
