From 8954c3fbe764a42db29bc8d54ff795a105759fe9 Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Thu, 29 Feb 2024 13:59:19 +0530 Subject: [PATCH] drm/amdgpu: Change AID detection logic 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 Reviewed-by: Asad Kamal Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c index fbb43ae7624f..414ea3f560a7 100644 --- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c +++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c @@ -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); }