Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdkfd: Don't partition VMID space on GFX 12.1
There is no need to partition VMID space on GFX 12.1 when
operating in CPX mode as SDMA is not sharing MMHUB on GFX 12.1.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Michael Chen <michael.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Mukul Joshi
and committed by
Alex Deucher
376fa6c9
aa0f09f9
+3
-1
+3
-1
drivers/gpu/drm/amd/amdkfd/kfd_device.c
+3
-1
drivers/gpu/drm/amd/amdkfd/kfd_device.c
···
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}
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if (partition_mode == AMDGPU_CPX_PARTITION_MODE &&
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-
kfd->num_nodes != 1) {
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+
kfd->num_nodes != 1 &&
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+
(KFD_GC_VERSION(kfd) != IP_VERSION(12, 1, 0))) {
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/* For multi-partition capable GPUs and CPX mode, first
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* XCD gets VMID range 4-9 and second XCD gets VMID
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* range 10-15.
···
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node->compute_vmid_bitmap =
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gpu_resources->compute_vmid_bitmap;
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}
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+
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node->max_proc_per_quantum = max_proc_per_quantum;
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atomic_set(&node->sram_ecc_flag, 0);
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