From: Shiwu Zhang <shiwu.zhang@xxxxxxx> There are AMDGPU_MAX_VMHUBS of vmhub in maximum and need to init the vm_inv_engs for all of them. In this way, the below error can be ruled out. [ 217.317752] amdgpu 0000:02:00.0: amdgpu: no VM inv eng for ring sdma0 Signed-off-by: Shiwu Zhang <shiwu.zhang@xxxxxxx> Reviewed-by: Christian Koenig <Christian.Koenig@xxxxxxx> Reviewed-by: Le Ma <Le.Ma@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index c6b2452e8258..14789a0ad6e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -503,22 +503,21 @@ void amdgpu_gmc_ras_fini(struct amdgpu_device *adev) * subject to change when ring number changes * Engine 17: Gart flushes */ -#define GFXHUB_FREE_VM_INV_ENGS_BITMAP 0x1FFF3 -#define MMHUB_FREE_VM_INV_ENGS_BITMAP 0x1FFF3 +#define AMDGPU_VMHUB_INV_ENG_BITMAP 0x1FFF3 int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev) { struct amdgpu_ring *ring; - unsigned vm_inv_engs[AMDGPU_MAX_VMHUBS] = - {GFXHUB_FREE_VM_INV_ENGS_BITMAP, MMHUB_FREE_VM_INV_ENGS_BITMAP, - GFXHUB_FREE_VM_INV_ENGS_BITMAP}; + unsigned vm_inv_engs[AMDGPU_MAX_VMHUBS] = {0}; unsigned i; unsigned vmhub, inv_eng; - if (adev->enable_mes) { + /* init the vm inv eng for all vmhubs */ + for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) { + vm_inv_engs[i] = AMDGPU_VMHUB_INV_ENG_BITMAP; /* reserve engine 5 for firmware */ - for (vmhub = 0; vmhub < AMDGPU_MAX_VMHUBS; vmhub++) - vm_inv_engs[vmhub] &= ~(1 << 5); + if (adev->enable_mes) + vm_inv_engs[i] &= ~(1 << 5); } for (i = 0; i < adev->num_rings; ++i) { -- 2.39.2