mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-03-20 18:15:27 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: alloc vm inv engines for every vmhub

Browse Source 
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@amd.com>
Reviewed-by: Christian Koenig <Christian.Koenig@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shiwu Zhang
2021-12-23 13:44:48 +08:00
committed by Alex Deucher
parent 0fa49d1083
commit 62e790879e
1 changed files with 7 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
View File

@@ -534,22 +534,21 @@ 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) {