summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd
diff options
context:
space:
mode:
authorMonk Liu <Monk.Liu@amd.com>2017-03-22 18:01:59 +0800
committerAlex Deucher <alexander.deucher@amd.com>2017-03-29 23:55:41 -0400
commit79a0c4655e47ca31c24e1d8cfd4c9a461571a100 (patch)
treed05da5f593e149866b2302b964e0e907f215ab65 /drivers/gpu/drm/amd
parent6e9dc861219b8f8966f5a91984dbfaa6de57fb8b (diff)
downloadop-kernel-dev-79a0c4655e47ca31c24e1d8cfd4c9a461571a100.zip
op-kernel-dev-79a0c4655e47ca31c24e1d8cfd4c9a461571a100.tar.gz
drm/amdgpu:fix gmc_v9 vm fault process for SRIOV
for SRIOV we cannot use access register when in IRQ routine with regular KIQ method Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index c29a477..f1f4eac 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -137,20 +137,28 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
addr = (u64)entry->src_data[0] << 12;
addr |= ((u64)entry->src_data[1] & 0xf) << 44;
- if (entry->vm_id_src) {
- status = RREG32(mmhub->vm_l2_pro_fault_status);
- WREG32_P(mmhub->vm_l2_pro_fault_cntl, 1, ~1);
- } else {
- status = RREG32(gfxhub->vm_l2_pro_fault_status);
- WREG32_P(gfxhub->vm_l2_pro_fault_cntl, 1, ~1);
- }
+ if (!amdgpu_sriov_vf(adev)) {
+ if (entry->vm_id_src) {
+ status = RREG32(mmhub->vm_l2_pro_fault_status);
+ WREG32_P(mmhub->vm_l2_pro_fault_cntl, 1, ~1);
+ } else {
+ status = RREG32(gfxhub->vm_l2_pro_fault_status);
+ WREG32_P(gfxhub->vm_l2_pro_fault_cntl, 1, ~1);
+ }
- DRM_ERROR("[%s]VMC page fault (src_id:%u ring:%u vm_id:%u pas_id:%u) "
+ DRM_ERROR("[%s]VMC page fault (src_id:%u ring:%u vm_id:%u pas_id:%u) "
"at page 0x%016llx from %d\n"
"VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
entry->vm_id_src ? "mmhub" : "gfxhub",
entry->src_id, entry->ring_id, entry->vm_id, entry->pas_id,
addr, entry->client_id, status);
+ } else {
+ DRM_ERROR("[%s]VMC page fault (src_id:%u ring:%u vm_id:%u pas_id:%u) "
+ "at page 0x%016llx from %d\n",
+ entry->vm_id_src ? "mmhub" : "gfxhub",
+ entry->src_id, entry->ring_id, entry->vm_id, entry->pas_id,
+ addr, entry->client_id);
+ }
return 0;
}
OpenPOWER on IntegriCloud