[AMD Official Use Only - General] This is fixed and requested by firmware team
Regards, Hawking -----Original Message----- From: Koenig, Christian <[email protected]> Sent: Thursday, November 17, 2022 18:26 To: Xiao, Jack <[email protected]>; [email protected]; Deucher, Alexander <[email protected]>; Zhang, Hawking <[email protected]>; Pan, Xinhui <[email protected]>; Sider, Graham <[email protected]> Subject: Re: [PATCH] drm/amd/amdgpu: reserve vm invalidation engine for firmware Am 17.11.22 um 10:11 schrieb Jack Xiao: > If mes enabled, reserve VM invalidation engine 5 for firmware. > > Signed-off-by: Jack Xiao <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c > index 4365ede42855..e970e3760cec 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c > @@ -479,6 +479,12 @@ int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device > *adev) > unsigned i; > unsigned vmhub, inv_eng; > > + if (adev->enable_mes) { > + /* reserve engine 5 for firmware */ > + for (vmhub = 0; vmhub < AMDGPU_MAX_VMHUBS; vmhub++) > + vm_inv_engs[vmhub] &= ~(1 << 5); > + } > + Is that fixed and nailed down with the fw team? If yes the patch is rb by me. Regards, Christian. > for (i = 0; i < adev->num_rings; ++i) { > ring = adev->rings[i]; > vmhub = ring->funcs->vmhub;
