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drm/amdgpu: Change AID detection logic

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On GFX 9.4.3 SOCs, only 2 SDMA instances need to be available to be
considered as a valid AID.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2024-02-29 13:59:19 +05:30 committed by Alex Deucher
parent 6e7a417624
commit 8954c3fbe7
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
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@ -630,7 +630,7 @@ static int aqua_vanjaram_xcp_mgr_init(struct amdgpu_device *adev)
int aqua_vanjaram_init_soc_config(struct amdgpu_device *adev)
{
u32 mask, inst_mask = adev->sdma.sdma_mask;
u32 mask, avail_inst, inst_mask = adev->sdma.sdma_mask;
int ret, i;
/* generally 1 AID supports 4 instances */
@ -642,7 +642,9 @@ int aqua_vanjaram_init_soc_config(struct amdgpu_device *adev)
for (mask = (1 << adev->sdma.num_inst_per_aid) - 1; inst_mask;
inst_mask >>= adev->sdma.num_inst_per_aid, ++i) {
if ((inst_mask & mask) == mask)
avail_inst = inst_mask & mask;
if (avail_inst == mask || avail_inst == 0x3 ||
avail_inst == 0xc)
adev->aid_mask |= (1 << i);
}