diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2025-09-11 10:32:34 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-02-23 14:39:32 -0500 |
| commit | e210ed64d24ea8ac06750361630e3e5cda841a51 (patch) | |
| tree | d03c198d820a4de335dc185b4a48b9f9f99c234a | |
| parent | 137d464b0787a90dafd7d92f13fc2e0789069113 (diff) | |
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>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index a35d9951e22a..44f0f23e1148 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2604,18 +2604,31 @@ static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib, } static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = { - .copy_max_bytes = 0x400000, + .copy_max_bytes = 1 << 22, .copy_num_dw = 7, .emit_copy_buffer = sdma_v4_0_emit_copy_buffer, - .fill_max_bytes = 0x400000, + .fill_max_bytes = 1 << 22, + .fill_num_dw = 5, + .emit_fill_buffer = sdma_v4_0_emit_fill_buffer, +}; + +static const struct amdgpu_buffer_funcs sdma_v4_4_buffer_funcs = { + .copy_max_bytes = 1 << 30, + .copy_num_dw = 7, + .emit_copy_buffer = sdma_v4_0_emit_copy_buffer, + + .fill_max_bytes = 1 << 30, .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 |