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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-10-27 19:35:28 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2017-10-27 19:35:28 -0400 |
| commit | 3f04f9614831b4d18dcaf228cff0617a20073f9d (patch) | |
| tree | 423334e34acc3b48726ac302826dde3d70985bb9 /drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c | |
| parent | 482f07775cf559c82cb3d086e3c4fad91582e4cb (diff) | |
| download | linux-stable-3f04f9614831b4d18dcaf228cff0617a20073f9d.tar.gz linux-stable-3f04f9614831b4d18dcaf228cff0617a20073f9d.tar.bz2 linux-stable-3f04f9614831b4d18dcaf228cff0617a20073f9d.zip | |
drm/amdkfd: Use IH context ID for signal lookup
This speeds up signal lookup when the IH ring entry includes a
valid context ID or partial context ID. Only if the context ID is
found to be invalid, fall back to an exhaustive search of all
signaled events.
Signed-off-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/cik_event_interrupt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c index 66164aa67c66..3d5ccb3755d4 100644 --- a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c +++ b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c @@ -47,6 +47,7 @@ static void cik_event_interrupt_wq(struct kfd_dev *dev, unsigned int pasid; const struct cik_ih_ring_entry *ihre = (const struct cik_ih_ring_entry *)ih_ring_entry; + uint32_t context_id = ihre->data & 0xfffffff; pasid = (ihre->ring_id & 0xffff0000) >> 16; @@ -54,11 +55,11 @@ static void cik_event_interrupt_wq(struct kfd_dev *dev, return; if (ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE) - kfd_signal_event_interrupt(pasid, 0, 0); + kfd_signal_event_interrupt(pasid, context_id, 28); else if (ihre->source_id == CIK_INTSRC_SDMA_TRAP) - kfd_signal_event_interrupt(pasid, 0, 0); + kfd_signal_event_interrupt(pasid, context_id, 28); else if (ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG) - kfd_signal_event_interrupt(pasid, ihre->data & 0xFF, 8); + kfd_signal_event_interrupt(pasid, context_id & 0xff, 8); else if (ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE) kfd_signal_hw_exception_event(pasid); } |