projects / platform / kernel / linux-rpi.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 2640c3f) | patch
drm/amdkfd: fix zero reading of VMID and PASID for Hawaii
authorLan Xiao <Lan.Xiao@amd.com>
Thu, 12 Jul 2018 02:32:51 +0000 (22:32 -0400)
committerOded Gabbay <oded.gabbay@gmail.com>
Thu, 12 Jul 2018 02:32:51 +0000 (22:32 -0400)
commit58e698861255129a00765b69c0499bc0d044feb4
treedc60a3f4a77dfcc224992c4bf0f0f9705c2fc7cdtree | snapshot
parent2640c3facbd6e21e63c95f19588cc24913a263cdcommit | diff
drm/amdkfd: fix zero reading of VMID and PASID for Hawaii

Upon VM Fault, the VMID and PASID written by HW are zeros in
Hawaii. Instead of reading from ih_ring_entry, read directly
from the registers. This workaround fix the soft hang issues
caused by mishandled VM Fault in Hawaii.

Signed-off-by: Lan Xiao <Lan.Xiao@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_device.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c diff | blob | history
drivers/gpu/drm/amd/amdkfd/kfd_priv.h diff | blob | history
drivers/gpu/drm/amd/include/kgd_kfd_interface.h diff | blob | history
Domain: System / Kernel;