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| author | Jay Cornwall <Jay.Cornwall@amd.com> | 2017-08-15 23:00:14 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2017-08-15 23:00:14 -0400 |
| commit | af68d87cac0664c9118e76727e4273eab56deb83 (patch) | |
| tree | efa137d188a0a008f6b8ec41dd76a78664cb63bc /drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | |
| parent | 4ebc7182743a4bef47cdd9d3e9f08cff943faa4f (diff) | |
drm/amdkfd: Clamp EOP queue size correctly on Gfx8
Gfx8 HW incorrectly clamps CP_HQD_EOP_CONTROL.EOP_SIZE, which can
lead to scheduling deadlock due to SE EOP done counter overflow.
Enforce a EOP queue size limit which prevents the CP from sending
more than 0xFF events at a time.
Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c')
0 files changed, 0 insertions, 0 deletions