AMD General Series is
Reviewed-by: Kent Russell <[email protected]> > -----Original Message----- > From: Alex Deucher <[email protected]> > Sent: June 15, 2026 5:17 PM > To: [email protected]; Russell, Kent <[email protected]> > Cc: Deucher, Alexander <[email protected]> > Subject: [PATCH 9/9] drm/amdgpu/gmc9: make all vmids available to KFD if KQs > are disabled > > If the user has disabled kernel queues, then make all vmids > available to HWS. > > Signed-off-by: Alex Deucher <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 16 ++++++++++++---- > 1 file changed, 12 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c > b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c > index 8a5c44810ba1e..5166055c6692c 100644 > --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c > @@ -2025,11 +2025,19 @@ static int gmc_v9_0_sw_init(struct > amdgpu_ip_block *ip_block) > * The first KFD VMID is 8 for GPUs with graphics, 3 for > * compute-only GPUs. On compute-only GPUs that leaves 2 VMIDs > * for video processing. > + * > + * If kernel queues are disabled, allow KFD to use all vmids. > */ > - adev->vm_manager.first_kfd_vmid = > - (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 1) > || > - amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 2) > || > - amdgpu_is_multi_aid(adev)) ? > + if (adev->gfx.disable_kq && > + adev->jpeg.disable_kq && > + adev->vcn.disable_kq && > + adev->sdma.no_user_submission) > + adev->vm_manager.first_kfd_vmid = 1; > + else > + adev->vm_manager.first_kfd_vmid = > + (amdgpu_ip_version(adev, GC_HWIP, 0) == > IP_VERSION(9, 4, 1) || > + amdgpu_ip_version(adev, GC_HWIP, 0) == > IP_VERSION(9, 4, 2) || > + amdgpu_is_multi_aid(adev)) ? > 3 : > 8; > > -- > 2.54.0
