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drm/amdgpu: support xcc harvest for ih translate

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Support xcc harvest for ih translate to logic xcc.
V2: Only check available instances

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2025-07-04 10:45:40 +08:00 committed by Alex Deucher
parent 49f47cbf5f
commit c9908d9c98
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
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@ -700,14 +700,16 @@ static int gfx_v12_1_get_xccs_per_xcp(struct amdgpu_device *adev)
static int gfx_v12_1_ih_to_xcc_inst(struct amdgpu_device *adev, int ih_node)
{
int logic_xcc;
int xcc = (ih_node & 0x7) - 2 + (ih_node >> 3) * 4;
if (xcc < 0 || xcc >= hweight8(adev->gfx.xcc_mask)) {
dev_err(adev->dev, "Couldn't find xcc mapping from IH node");
return -EINVAL;
for (logic_xcc = 0; logic_xcc < NUM_XCC(adev->gfx.xcc_mask); logic_xcc++) {
if (xcc == GET_INST(GC, logic_xcc))
return logic_xcc;
}
return xcc;
dev_err(adev->dev, "Couldn't find xcc mapping from IH node");
return -EINVAL;
}
static const struct amdgpu_gfx_funcs gfx_v12_1_gfx_funcs = {